From 9b6757af7dd098b77b27699f0923f52b55243394 Mon Sep 17 00:00:00 2001 From: Owl Bot Date: Wed, 24 Jan 2024 22:54:06 +0000 Subject: [PATCH] feat: add enforce_in_transit fields and optional annotations PiperOrigin-RevId: 601205737 Source-Link: https://github.com/googleapis/googleapis/commit/27f83015e8aacb6695f56435b3185f6d45fad995 Source-Link: https://github.com/googleapis/googleapis-gen/commit/daf775c7ecd90de69e1304b840a28d201c025f08 Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZGFmNzc1YzdlY2Q5MGRlNjllMTMwNGI4NDBhMjhkMjAxYzAyNWYwOCJ9 --- .../google/pubsub/v1/SchemaServiceGrpc.java | 1377 ------- .../cloud/pubsub/v1/SchemaServiceClient.java | 4 +- .../pubsub/v1/SchemaServiceSettings.java | 1 + .../pubsub/v1/SubscriptionAdminClient.java | 864 +--- .../pubsub/v1/SubscriptionAdminSettings.java | 1 + .../cloud/pubsub/v1/TopicAdminClient.java | 217 +- .../cloud/pubsub/v1/TopicAdminSettings.java | 1 + .../cloud/pubsub/v1/gapic_metadata.json | 0 .../google/cloud/pubsub/v1/package-info.java | 0 .../v1/stub/GrpcPublisherCallableFactory.java | 0 .../pubsub/v1/stub/GrpcPublisherStub.java | 1 + .../GrpcSchemaServiceCallableFactory.java | 0 .../pubsub/v1/stub/GrpcSchemaServiceStub.java | 1 + .../stub/GrpcSubscriberCallableFactory.java | 0 .../pubsub/v1/stub/GrpcSubscriberStub.java | 1 + .../HttpJsonPublisherCallableFactory.java | 0 .../pubsub/v1/stub/HttpJsonPublisherStub.java | 0 .../HttpJsonSchemaServiceCallableFactory.java | 0 .../v1/stub/HttpJsonSchemaServiceStub.java | 0 .../HttpJsonSubscriberCallableFactory.java | 0 .../v1/stub/HttpJsonSubscriberStub.java | 0 .../cloud/pubsub/v1/stub/PublisherStub.java | 0 .../pubsub/v1/stub/PublisherStubSettings.java | 0 .../pubsub/v1/stub/SchemaServiceStub.java | 0 .../v1/stub/SchemaServiceStubSettings.java | 0 .../cloud/pubsub/v1/stub/SubscriberStub.java | 0 .../v1/stub/SubscriberStubSettings.java | 3 +- .../reflect-config.json | 0 .../google/cloud/pubsub/v1/MockIAMPolicy.java | 0 .../cloud/pubsub/v1/MockIAMPolicyImpl.java | 0 .../google/cloud/pubsub/v1/MockPublisher.java | 0 .../cloud/pubsub/v1/MockPublisherImpl.java | 0 .../cloud/pubsub/v1/MockSchemaService.java | 0 .../pubsub/v1/MockSchemaServiceImpl.java | 0 .../cloud/pubsub/v1/MockSubscriber.java | 0 .../cloud/pubsub/v1/MockSubscriberImpl.java | 0 .../v1/SchemaServiceClientHttpJsonTest.java | 0 .../pubsub/v1/SchemaServiceClientTest.java | 0 .../SubscriptionAdminClientHttpJsonTest.java | 0 .../v1/SubscriptionAdminClientTest.java | 0 .../v1/TopicAdminClientHttpJsonTest.java | 0 .../cloud/pubsub/v1/TopicAdminClientTest.java | 0 .../com/google/pubsub/v1/PublisherGrpc.java | 918 ++--- .../google/pubsub/v1/SchemaServiceGrpc.java | 1097 +++++ .../com/google/pubsub/v1/SubscriberGrpc.java | 1497 +++---- .../google/pubsub/v1/AcknowledgeRequest.java | 445 +- .../v1/AcknowledgeRequestOrBuilder.java | 53 +- .../com/google/pubsub/v1/BigQueryConfig.java | 700 ++-- .../pubsub/v1/BigQueryConfigOrBuilder.java | 75 +- .../google/pubsub/v1/CloudStorageConfig.java | 1887 ++++----- .../v1/CloudStorageConfigOrBuilder.java | 209 + .../google/pubsub/v1/CommitSchemaRequest.java | 420 +- .../v1/CommitSchemaRequestOrBuilder.java | 43 +- .../google/pubsub/v1/CreateSchemaRequest.java | 520 +-- .../v1/CreateSchemaRequestOrBuilder.java | 60 +- .../pubsub/v1/CreateSnapshotRequest.java | 733 ++-- .../v1/CreateSnapshotRequestOrBuilder.java | 102 +- .../google/pubsub/v1/DeadLetterPolicy.java | 447 +- .../pubsub/v1/DeadLetterPolicyOrBuilder.java | 67 + .../google/pubsub/v1/DeleteSchemaRequest.java | 337 +- .../v1/DeleteSchemaRequestOrBuilder.java | 31 + .../v1/DeleteSchemaRevisionRequest.java | 481 +-- .../DeleteSchemaRevisionRequestOrBuilder.java | 62 +- .../pubsub/v1/DeleteSnapshotRequest.java | 340 +- .../v1/DeleteSnapshotRequestOrBuilder.java | 31 + .../pubsub/v1/DeleteSubscriptionRequest.java | 340 +- .../DeleteSubscriptionRequestOrBuilder.java | 31 + .../google/pubsub/v1/DeleteTopicRequest.java | 337 +- .../v1/DeleteTopicRequestOrBuilder.java | 31 + .../pubsub/v1/DetachSubscriptionRequest.java | 340 +- .../DetachSubscriptionRequestOrBuilder.java | 31 + .../pubsub/v1/DetachSubscriptionResponse.java | 241 +- .../DetachSubscriptionResponseOrBuilder.java | 9 + .../java/com/google/pubsub/v1/Encoding.java | 82 +- .../google/pubsub/v1/ExpirationPolicy.java | 489 +-- .../pubsub/v1/ExpirationPolicyOrBuilder.java | 51 + .../google/pubsub/v1/GetSchemaRequest.java | 380 +- .../pubsub/v1/GetSchemaRequestOrBuilder.java | 41 +- .../google/pubsub/v1/GetSnapshotRequest.java | 337 +- .../v1/GetSnapshotRequestOrBuilder.java | 31 + .../pubsub/v1/GetSubscriptionRequest.java | 340 +- .../v1/GetSubscriptionRequestOrBuilder.java | 31 + .../com/google/pubsub/v1/GetTopicRequest.java | 333 +- .../pubsub/v1/GetTopicRequestOrBuilder.java | 31 + .../v1/IngestionDataSourceSettings.java | 1213 ++---- .../IngestionDataSourceSettingsOrBuilder.java | 38 + .../pubsub/v1/ListSchemaRevisionsRequest.java | 490 +-- .../ListSchemaRevisionsRequestOrBuilder.java | 53 +- .../v1/ListSchemaRevisionsResponse.java | 487 +-- .../ListSchemaRevisionsResponseOrBuilder.java | 46 +- .../google/pubsub/v1/ListSchemasRequest.java | 484 +-- .../v1/ListSchemasRequestOrBuilder.java | 53 +- .../google/pubsub/v1/ListSchemasResponse.java | 474 +-- .../v1/ListSchemasResponseOrBuilder.java | 46 +- .../pubsub/v1/ListSnapshotsRequest.java | 515 +-- .../v1/ListSnapshotsRequestOrBuilder.java | 65 + .../pubsub/v1/ListSnapshotsResponse.java | 615 ++- .../v1/ListSnapshotsResponseOrBuilder.java | 77 + .../pubsub/v1/ListSubscriptionsRequest.java | 515 +-- .../v1/ListSubscriptionsRequestOrBuilder.java | 65 + .../pubsub/v1/ListSubscriptionsResponse.java | 598 ++- .../ListSubscriptionsResponseOrBuilder.java | 77 + .../pubsub/v1/ListTopicSnapshotsRequest.java | 515 +-- .../ListTopicSnapshotsRequestOrBuilder.java | 65 + .../pubsub/v1/ListTopicSnapshotsResponse.java | 517 +-- .../ListTopicSnapshotsResponseOrBuilder.java | 74 + .../v1/ListTopicSubscriptionsRequest.java | 522 +-- ...istTopicSubscriptionsRequestOrBuilder.java | 65 + .../v1/ListTopicSubscriptionsResponse.java | 537 ++- ...stTopicSubscriptionsResponseOrBuilder.java | 78 + .../google/pubsub/v1/ListTopicsRequest.java | 508 +-- .../pubsub/v1/ListTopicsRequestOrBuilder.java | 65 + .../google/pubsub/v1/ListTopicsResponse.java | 608 ++- .../v1/ListTopicsResponseOrBuilder.java | 75 + .../pubsub/v1/MessageStoragePolicy.java | 818 ++++ .../v1/MessageStoragePolicyOrBuilder.java | 84 + .../pubsub/v1/ModifyAckDeadlineRequest.java | 491 +-- .../v1/ModifyAckDeadlineRequestOrBuilder.java | 59 +- .../pubsub/v1/ModifyPushConfigRequest.java | 465 +-- .../v1/ModifyPushConfigRequestOrBuilder.java | 52 +- .../com/google/pubsub/v1/ProjectName.java | 0 .../com/google/pubsub/v1/PublishRequest.java | 582 +-- .../pubsub/v1/PublishRequestOrBuilder.java | 75 + .../com/google/pubsub/v1/PublishResponse.java | 445 +- .../pubsub/v1/PublishResponseOrBuilder.java | 58 + .../com/google/pubsub/v1/PubsubMessage.java | 948 ++--- .../pubsub/v1/PubsubMessageOrBuilder.java | 177 + .../com/google/pubsub/v1/PubsubProto.java | 1113 +++++ .../com/google/pubsub/v1/PullRequest.java | 435 +- .../pubsub/v1/PullRequestOrBuilder.java | 51 +- .../com/google/pubsub/v1/PullResponse.java | 524 +-- .../pubsub/v1/PullResponseOrBuilder.java | 66 +- .../java/com/google/pubsub/v1/PushConfig.java | 2262 +++++------ .../google/pubsub/v1/PushConfigOrBuilder.java | 170 +- .../com/google/pubsub/v1/ReceivedMessage.java | 525 +-- .../pubsub/v1/ReceivedMessageOrBuilder.java | 64 +- .../com/google/pubsub/v1/RetryPolicy.java | 586 ++- .../pubsub/v1/RetryPolicyOrBuilder.java | 72 + .../pubsub/v1/RollbackSchemaRequest.java | 412 +- .../v1/RollbackSchemaRequestOrBuilder.java | 44 +- .../java/com/google/pubsub/v1/Schema.java | 719 ++-- .../java/com/google/pubsub/v1/SchemaName.java | 0 .../com/google/pubsub/v1/SchemaOrBuilder.java | 79 +- .../com/google/pubsub/v1/SchemaProto.java | 328 ++ .../com/google/pubsub/v1/SchemaSettings.java | 661 ++- .../pubsub/v1/SchemaSettingsOrBuilder.java | 102 + .../java/com/google/pubsub/v1/SchemaView.java | 82 +- .../com/google/pubsub/v1/SeekRequest.java | 675 ++- .../pubsub/v1/SeekRequestOrBuilder.java | 91 +- .../com/google/pubsub/v1/SeekResponse.java | 231 +- .../pubsub/v1/SeekResponseOrBuilder.java | 9 + .../java/com/google/pubsub/v1/Snapshot.java | 857 ++-- .../com/google/pubsub/v1/SnapshotName.java | 0 .../google/pubsub/v1/SnapshotOrBuilder.java | 124 +- .../pubsub/v1/StreamingPullRequest.java | 1320 +++--- .../v1/StreamingPullRequestOrBuilder.java | 242 +- .../pubsub/v1/StreamingPullResponse.java | 3613 +++++++---------- .../v1/StreamingPullResponseOrBuilder.java | 140 + .../com/google/pubsub/v1/Subscription.java | 2788 +++++-------- .../google/pubsub/v1/SubscriptionName.java | 0 .../pubsub/v1/SubscriptionOrBuilder.java | 428 +- .../main/java/com/google/pubsub/v1/Topic.java | 1623 +++----- .../java/com/google/pubsub/v1/TopicName.java | 0 .../com/google/pubsub/v1/TopicOrBuilder.java | 235 +- .../pubsub/v1/UpdateSnapshotRequest.java | 478 +-- .../v1/UpdateSnapshotRequestOrBuilder.java | 43 +- .../pubsub/v1/UpdateSubscriptionRequest.java | 514 +-- .../UpdateSubscriptionRequestOrBuilder.java | 55 +- .../google/pubsub/v1/UpdateTopicRequest.java | 447 +- .../v1/UpdateTopicRequestOrBuilder.java | 43 +- .../pubsub/v1/ValidateMessageRequest.java | 646 ++- .../v1/ValidateMessageRequestOrBuilder.java | 64 +- .../pubsub/v1/ValidateMessageResponse.java | 238 +- .../v1/ValidateMessageResponseOrBuilder.java | 9 + .../pubsub/v1/ValidateSchemaRequest.java | 423 +- .../v1/ValidateSchemaRequestOrBuilder.java | 43 +- .../pubsub/v1/ValidateSchemaResponse.java | 238 +- .../v1/ValidateSchemaResponseOrBuilder.java | 9 + .../main/proto/google/pubsub/v1/pubsub.proto | 766 ++-- .../main/proto/google/pubsub/v1/schema.proto | 4 +- .../v1/CloudStorageConfigOrBuilder.java | 271 -- .../pubsub/v1/DeadLetterPolicyOrBuilder.java | 91 - .../v1/DeleteSchemaRequestOrBuilder.java | 56 - .../v1/DeleteSnapshotRequestOrBuilder.java | 56 - .../DeleteSubscriptionRequestOrBuilder.java | 56 - .../v1/DeleteTopicRequestOrBuilder.java | 56 - .../DetachSubscriptionRequestOrBuilder.java | 56 - .../DetachSubscriptionResponseOrBuilder.java | 24 - .../pubsub/v1/ExpirationPolicyOrBuilder.java | 75 - .../v1/GetSnapshotRequestOrBuilder.java | 56 - .../v1/GetSubscriptionRequestOrBuilder.java | 56 - .../pubsub/v1/GetTopicRequestOrBuilder.java | 56 - .../IngestionDataSourceSettingsOrBuilder.java | 68 - .../v1/ListSnapshotsRequestOrBuilder.java | 98 - .../v1/ListSnapshotsResponseOrBuilder.java | 103 - .../v1/ListSubscriptionsRequestOrBuilder.java | 98 - .../ListSubscriptionsResponseOrBuilder.java | 106 - .../ListTopicSnapshotsRequestOrBuilder.java | 98 - .../ListTopicSnapshotsResponseOrBuilder.java | 105 - ...istTopicSubscriptionsRequestOrBuilder.java | 98 - ...stTopicSubscriptionsResponseOrBuilder.java | 105 - .../pubsub/v1/ListTopicsRequestOrBuilder.java | 98 - .../v1/ListTopicsResponseOrBuilder.java | 103 - .../pubsub/v1/MessageStoragePolicy.java | 786 ---- .../v1/MessageStoragePolicyOrBuilder.java | 96 - .../pubsub/v1/PublishRequestOrBuilder.java | 117 - .../pubsub/v1/PublishResponseOrBuilder.java | 84 - .../pubsub/v1/PubsubMessageOrBuilder.java | 218 - .../com/google/pubsub/v1/PubsubProto.java | 1217 ------ .../pubsub/v1/RetryPolicyOrBuilder.java | 101 - .../com/google/pubsub/v1/SchemaProto.java | 352 -- .../pubsub/v1/SchemaSettingsOrBuilder.java | 143 - .../pubsub/v1/SeekResponseOrBuilder.java | 24 - .../v1/StreamingPullResponseOrBuilder.java | 210 - .../v1/ValidateMessageResponseOrBuilder.java | 24 - .../v1/ValidateSchemaResponseOrBuilder.java | 24 - 216 files changed, 24484 insertions(+), 35918 deletions(-) delete mode 100644 grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceClient.java (99%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceSettings.java (99%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminClient.java (79%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminSettings.java (99%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/TopicAdminClient.java (90%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/TopicAdminSettings.java (99%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/gapic_metadata.json (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/package-info.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherCallableFactory.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherStub.java (99%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceCallableFactory.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceStub.java (99%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberCallableFactory.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberStub.java (99%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherCallableFactory.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherStub.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceCallableFactory.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceStub.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberCallableFactory.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberStub.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStub.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStub.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStub.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java (99%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/main/resources/META-INF/native-image/com.google.cloud.pubsub.v1/reflect-config.json (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicy.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicyImpl.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/MockPublisher.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/MockPublisherImpl.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/MockSchemaService.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/MockSchemaServiceImpl.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/MockSubscriber.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/MockSubscriberImpl.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientHttpJsonTest.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientTest.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientHttpJsonTest.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientTest.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientHttpJsonTest.java (100%) rename {google-cloud-pubsub => owl-bot-staging/v1/google-cloud-pubsub}/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientTest.java (100%) rename {grpc-google-cloud-pubsub-v1 => owl-bot-staging/v1/grpc-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PublisherGrpc.java (50%) create mode 100644 owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java rename {grpc-google-cloud-pubsub-v1 => owl-bot-staging/v1/grpc-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java (56%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/AcknowledgeRequest.java (68%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/AcknowledgeRequestOrBuilder.java (65%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/BigQueryConfig.java (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/BigQueryConfigOrBuilder.java (56%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/CloudStorageConfig.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfigOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/CommitSchemaRequest.java (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/CommitSchemaRequestOrBuilder.java (57%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/CreateSchemaRequest.java (69%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/CreateSchemaRequestOrBuilder.java (64%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/CreateSnapshotRequest.java (63%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/CreateSnapshotRequestOrBuilder.java (59%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DeadLetterPolicy.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicyOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DeleteSchemaRequest.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequest.java (64%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequestOrBuilder.java (51%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequest.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequest.java (63%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DeleteTopicRequest.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequest.java (63%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponse.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/Encoding.java (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ExpirationPolicy.java (51%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicyOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/GetSchemaRequest.java (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/GetSchemaRequestOrBuilder.java (55%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/GetSnapshotRequest.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/GetSubscriptionRequest.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/GetTopicRequest.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettings.java (70%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettingsOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequest.java (69%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequestOrBuilder.java (63%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponse.java (70%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponseOrBuilder.java (63%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSchemasRequest.java (70%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSchemasRequestOrBuilder.java (65%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSchemasResponse.java (71%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSchemasResponseOrBuilder.java (63%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSnapshotsRequest.java (60%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSnapshotsResponse.java (59%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequest.java (60%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponse.java (65%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequest.java (60%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponse.java (60%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequest.java (60%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponse.java (58%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListTopicsRequest.java (60%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ListTopicsResponse.java (59%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponseOrBuilder.java create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicy.java create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicyOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequest.java (69%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequestOrBuilder.java (65%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequest.java (68%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequestOrBuilder.java (64%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ProjectName.java (100%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PublishRequest.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequestOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PublishResponse.java (57%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PubsubMessage.java (59%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessageOrBuilder.java create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubProto.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PullRequest.java (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PullRequestOrBuilder.java (59%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PullResponse.java (66%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PullResponseOrBuilder.java (56%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PushConfig.java (65%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/PushConfigOrBuilder.java (68%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ReceivedMessage.java (63%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ReceivedMessageOrBuilder.java (52%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/RetryPolicy.java (55%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicyOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/RollbackSchemaRequest.java (65%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/RollbackSchemaRequestOrBuilder.java (51%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/Schema.java (68%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SchemaName.java (100%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SchemaOrBuilder.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaProto.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SchemaSettings.java (60%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettingsOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SchemaView.java (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SeekRequest.java (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SeekRequestOrBuilder.java (60%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SeekResponse.java (61%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/Snapshot.java (63%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SnapshotName.java (100%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SnapshotOrBuilder.java (58%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/StreamingPullRequest.java (58%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/StreamingPullRequestOrBuilder.java (50%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/StreamingPullResponse.java (55%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/Subscription.java (61%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SubscriptionName.java (100%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/SubscriptionOrBuilder.java (58%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/Topic.java (61%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/TopicName.java (100%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/TopicOrBuilder.java (54%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequest.java (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequestOrBuilder.java (68%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequest.java (63%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequestOrBuilder.java (57%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/UpdateTopicRequest.java (72%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/UpdateTopicRequestOrBuilder.java (74%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ValidateMessageRequest.java (70%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ValidateMessageRequestOrBuilder.java (70%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ValidateMessageResponse.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ValidateSchemaRequest.java (66%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ValidateSchemaRequestOrBuilder.java (57%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/java/com/google/pubsub/v1/ValidateSchemaResponse.java (62%) create mode 100644 owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponseOrBuilder.java rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/proto/google/pubsub/v1/pubsub.proto (67%) rename {proto-google-cloud-pubsub-v1 => owl-bot-staging/v1/proto-google-cloud-pubsub-v1}/src/main/proto/google/pubsub/v1/schema.proto (99%) delete mode 100644 proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfigOrBuilder.java delete mode 100644 proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicyOrBuilder.java delete mode 100644 proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequestOrBuilder.java delete mode 100644 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a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java b/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java deleted file mode 100644 index ab612d2c5..000000000 --- a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java +++ /dev/null @@ -1,1377 +0,0 @@ -/* - * Copyright 2024 Google LLC - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * https://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -package com.google.pubsub.v1; - -import static io.grpc.MethodDescriptor.generateFullMethodName; - -/** - * - * - * 
- * Service for doing schema-related operations.
- *
- */ -@javax.annotation.Generated( - value = "by gRPC proto compiler", - comments = "Source: google/pubsub/v1/schema.proto") -@io.grpc.stub.annotations.GrpcGenerated -public final class SchemaServiceGrpc { - - private SchemaServiceGrpc() {} - - public static final java.lang.String SERVICE_NAME = "google.pubsub.v1.SchemaService"; - - // Static method descriptors that strictly reflect the proto. - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.CreateSchemaRequest, com.google.pubsub.v1.Schema> - getCreateSchemaMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "CreateSchema", - requestType = com.google.pubsub.v1.CreateSchemaRequest.class, - responseType = com.google.pubsub.v1.Schema.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.CreateSchemaRequest, com.google.pubsub.v1.Schema> - getCreateSchemaMethod() { - io.grpc.MethodDescriptor - getCreateSchemaMethod; - if ((getCreateSchemaMethod = SchemaServiceGrpc.getCreateSchemaMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getCreateSchemaMethod = SchemaServiceGrpc.getCreateSchemaMethod) == null) { - SchemaServiceGrpc.getCreateSchemaMethod = - getCreateSchemaMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateSchema")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.CreateSchemaRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.Schema.getDefaultInstance())) - .setSchemaDescriptor( - new SchemaServiceMethodDescriptorSupplier("CreateSchema")) - .build(); - } - } - } - return getCreateSchemaMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.GetSchemaRequest, com.google.pubsub.v1.Schema> - getGetSchemaMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "GetSchema", - requestType = com.google.pubsub.v1.GetSchemaRequest.class, - responseType = com.google.pubsub.v1.Schema.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.GetSchemaRequest, com.google.pubsub.v1.Schema> - getGetSchemaMethod() { - io.grpc.MethodDescriptor - getGetSchemaMethod; - if ((getGetSchemaMethod = SchemaServiceGrpc.getGetSchemaMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getGetSchemaMethod = SchemaServiceGrpc.getGetSchemaMethod) == null) { - SchemaServiceGrpc.getGetSchemaMethod = - getGetSchemaMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName(generateFullMethodName(SERVICE_NAME, "GetSchema")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.GetSchemaRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.Schema.getDefaultInstance())) - .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("GetSchema")) - .build(); - } - } - } - return getGetSchemaMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.ListSchemasRequest, com.google.pubsub.v1.ListSchemasResponse> - getListSchemasMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "ListSchemas", - requestType = com.google.pubsub.v1.ListSchemasRequest.class, - responseType = com.google.pubsub.v1.ListSchemasResponse.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.ListSchemasRequest, com.google.pubsub.v1.ListSchemasResponse> - getListSchemasMethod() { - io.grpc.MethodDescriptor< - com.google.pubsub.v1.ListSchemasRequest, com.google.pubsub.v1.ListSchemasResponse> - getListSchemasMethod; - if ((getListSchemasMethod = SchemaServiceGrpc.getListSchemasMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getListSchemasMethod = SchemaServiceGrpc.getListSchemasMethod) == null) { - SchemaServiceGrpc.getListSchemasMethod = - getListSchemasMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSchemas")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.ListSchemasRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.ListSchemasResponse.getDefaultInstance())) - .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("ListSchemas")) - .build(); - } - } - } - return getListSchemasMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.ListSchemaRevisionsRequest, - com.google.pubsub.v1.ListSchemaRevisionsResponse> - getListSchemaRevisionsMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "ListSchemaRevisions", - requestType = com.google.pubsub.v1.ListSchemaRevisionsRequest.class, - responseType = com.google.pubsub.v1.ListSchemaRevisionsResponse.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.ListSchemaRevisionsRequest, - com.google.pubsub.v1.ListSchemaRevisionsResponse> - getListSchemaRevisionsMethod() { - io.grpc.MethodDescriptor< - com.google.pubsub.v1.ListSchemaRevisionsRequest, - com.google.pubsub.v1.ListSchemaRevisionsResponse> - getListSchemaRevisionsMethod; - if ((getListSchemaRevisionsMethod = SchemaServiceGrpc.getListSchemaRevisionsMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getListSchemaRevisionsMethod = SchemaServiceGrpc.getListSchemaRevisionsMethod) - == null) { - SchemaServiceGrpc.getListSchemaRevisionsMethod = - getListSchemaRevisionsMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName( - generateFullMethodName(SERVICE_NAME, "ListSchemaRevisions")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.ListSchemaRevisionsRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.ListSchemaRevisionsResponse - .getDefaultInstance())) - .setSchemaDescriptor( - new SchemaServiceMethodDescriptorSupplier("ListSchemaRevisions")) - .build(); - } - } - } - return getListSchemaRevisionsMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.CommitSchemaRequest, com.google.pubsub.v1.Schema> - getCommitSchemaMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "CommitSchema", - requestType = com.google.pubsub.v1.CommitSchemaRequest.class, - responseType = com.google.pubsub.v1.Schema.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.CommitSchemaRequest, com.google.pubsub.v1.Schema> - getCommitSchemaMethod() { - io.grpc.MethodDescriptor - getCommitSchemaMethod; - if ((getCommitSchemaMethod = SchemaServiceGrpc.getCommitSchemaMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getCommitSchemaMethod = SchemaServiceGrpc.getCommitSchemaMethod) == null) { - SchemaServiceGrpc.getCommitSchemaMethod = - getCommitSchemaMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CommitSchema")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.CommitSchemaRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.Schema.getDefaultInstance())) - .setSchemaDescriptor( - new SchemaServiceMethodDescriptorSupplier("CommitSchema")) - .build(); - } - } - } - return getCommitSchemaMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.RollbackSchemaRequest, com.google.pubsub.v1.Schema> - getRollbackSchemaMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "RollbackSchema", - requestType = com.google.pubsub.v1.RollbackSchemaRequest.class, - responseType = com.google.pubsub.v1.Schema.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.RollbackSchemaRequest, com.google.pubsub.v1.Schema> - getRollbackSchemaMethod() { - io.grpc.MethodDescriptor< - com.google.pubsub.v1.RollbackSchemaRequest, com.google.pubsub.v1.Schema> - getRollbackSchemaMethod; - if ((getRollbackSchemaMethod = SchemaServiceGrpc.getRollbackSchemaMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getRollbackSchemaMethod = SchemaServiceGrpc.getRollbackSchemaMethod) == null) { - SchemaServiceGrpc.getRollbackSchemaMethod = - getRollbackSchemaMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName(generateFullMethodName(SERVICE_NAME, "RollbackSchema")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.RollbackSchemaRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.Schema.getDefaultInstance())) - .setSchemaDescriptor( - new SchemaServiceMethodDescriptorSupplier("RollbackSchema")) - .build(); - } - } - } - return getRollbackSchemaMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.DeleteSchemaRevisionRequest, com.google.pubsub.v1.Schema> - getDeleteSchemaRevisionMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "DeleteSchemaRevision", - requestType = com.google.pubsub.v1.DeleteSchemaRevisionRequest.class, - responseType = com.google.pubsub.v1.Schema.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.DeleteSchemaRevisionRequest, com.google.pubsub.v1.Schema> - getDeleteSchemaRevisionMethod() { - io.grpc.MethodDescriptor< - com.google.pubsub.v1.DeleteSchemaRevisionRequest, com.google.pubsub.v1.Schema> - getDeleteSchemaRevisionMethod; - if ((getDeleteSchemaRevisionMethod = SchemaServiceGrpc.getDeleteSchemaRevisionMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getDeleteSchemaRevisionMethod = SchemaServiceGrpc.getDeleteSchemaRevisionMethod) - == null) { - SchemaServiceGrpc.getDeleteSchemaRevisionMethod = - getDeleteSchemaRevisionMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName( - generateFullMethodName(SERVICE_NAME, "DeleteSchemaRevision")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.DeleteSchemaRevisionRequest - .getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.Schema.getDefaultInstance())) - .setSchemaDescriptor( - new SchemaServiceMethodDescriptorSupplier("DeleteSchemaRevision")) - .build(); - } - } - } - return getDeleteSchemaRevisionMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.DeleteSchemaRequest, com.google.protobuf.Empty> - getDeleteSchemaMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "DeleteSchema", - requestType = com.google.pubsub.v1.DeleteSchemaRequest.class, - responseType = com.google.protobuf.Empty.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.DeleteSchemaRequest, com.google.protobuf.Empty> - getDeleteSchemaMethod() { - io.grpc.MethodDescriptor - getDeleteSchemaMethod; - if ((getDeleteSchemaMethod = SchemaServiceGrpc.getDeleteSchemaMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getDeleteSchemaMethod = SchemaServiceGrpc.getDeleteSchemaMethod) == null) { - SchemaServiceGrpc.getDeleteSchemaMethod = - getDeleteSchemaMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteSchema")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.DeleteSchemaRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.protobuf.Empty.getDefaultInstance())) - .setSchemaDescriptor( - new SchemaServiceMethodDescriptorSupplier("DeleteSchema")) - .build(); - } - } - } - return getDeleteSchemaMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.ValidateSchemaRequest, com.google.pubsub.v1.ValidateSchemaResponse> - getValidateSchemaMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "ValidateSchema", - requestType = com.google.pubsub.v1.ValidateSchemaRequest.class, - responseType = com.google.pubsub.v1.ValidateSchemaResponse.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.ValidateSchemaRequest, com.google.pubsub.v1.ValidateSchemaResponse> - getValidateSchemaMethod() { - io.grpc.MethodDescriptor< - com.google.pubsub.v1.ValidateSchemaRequest, com.google.pubsub.v1.ValidateSchemaResponse> - getValidateSchemaMethod; - if ((getValidateSchemaMethod = SchemaServiceGrpc.getValidateSchemaMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getValidateSchemaMethod = SchemaServiceGrpc.getValidateSchemaMethod) == null) { - SchemaServiceGrpc.getValidateSchemaMethod = - getValidateSchemaMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ValidateSchema")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.ValidateSchemaRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.ValidateSchemaResponse.getDefaultInstance())) - .setSchemaDescriptor( - new SchemaServiceMethodDescriptorSupplier("ValidateSchema")) - .build(); - } - } - } - return getValidateSchemaMethod; - } - - private static volatile io.grpc.MethodDescriptor< - com.google.pubsub.v1.ValidateMessageRequest, com.google.pubsub.v1.ValidateMessageResponse> - getValidateMessageMethod; - - @io.grpc.stub.annotations.RpcMethod( - fullMethodName = SERVICE_NAME + '/' + "ValidateMessage", - requestType = com.google.pubsub.v1.ValidateMessageRequest.class, - responseType = com.google.pubsub.v1.ValidateMessageResponse.class, - methodType = io.grpc.MethodDescriptor.MethodType.UNARY) - public static io.grpc.MethodDescriptor< - com.google.pubsub.v1.ValidateMessageRequest, com.google.pubsub.v1.ValidateMessageResponse> - getValidateMessageMethod() { - io.grpc.MethodDescriptor< - com.google.pubsub.v1.ValidateMessageRequest, - com.google.pubsub.v1.ValidateMessageResponse> - getValidateMessageMethod; - if ((getValidateMessageMethod = SchemaServiceGrpc.getValidateMessageMethod) == null) { - synchronized (SchemaServiceGrpc.class) { - if ((getValidateMessageMethod = SchemaServiceGrpc.getValidateMessageMethod) == null) { - SchemaServiceGrpc.getValidateMessageMethod = - getValidateMessageMethod = - io.grpc.MethodDescriptor - . - newBuilder() - .setType(io.grpc.MethodDescriptor.MethodType.UNARY) - .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ValidateMessage")) - .setSampledToLocalTracing(true) - .setRequestMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.ValidateMessageRequest.getDefaultInstance())) - .setResponseMarshaller( - io.grpc.protobuf.ProtoUtils.marshaller( - com.google.pubsub.v1.ValidateMessageResponse.getDefaultInstance())) - .setSchemaDescriptor( - new SchemaServiceMethodDescriptorSupplier("ValidateMessage")) - .build(); - } - } - } - return getValidateMessageMethod; - } - - /** Creates a new async stub that supports all call types for the service */ - public static SchemaServiceStub newStub(io.grpc.Channel channel) { - io.grpc.stub.AbstractStub.StubFactory factory = - new io.grpc.stub.AbstractStub.StubFactory() { - @java.lang.Override - public SchemaServiceStub newStub( - io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - return new SchemaServiceStub(channel, callOptions); - } - }; - return SchemaServiceStub.newStub(factory, channel); - } - - /** - * Creates a new blocking-style stub that supports unary and streaming output calls on the service - */ - public static SchemaServiceBlockingStub newBlockingStub(io.grpc.Channel channel) { - io.grpc.stub.AbstractStub.StubFactory factory = - new io.grpc.stub.AbstractStub.StubFactory() { - @java.lang.Override - public SchemaServiceBlockingStub newStub( - io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - return new SchemaServiceBlockingStub(channel, callOptions); - } - }; - return SchemaServiceBlockingStub.newStub(factory, channel); - } - - /** Creates a new ListenableFuture-style stub that supports unary calls on the service */ - public static SchemaServiceFutureStub newFutureStub(io.grpc.Channel channel) { - io.grpc.stub.AbstractStub.StubFactory factory = - new io.grpc.stub.AbstractStub.StubFactory() { - @java.lang.Override - public SchemaServiceFutureStub newStub( - io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - return new SchemaServiceFutureStub(channel, callOptions); - } - }; - return SchemaServiceFutureStub.newStub(factory, channel); - } - - /** - * - * - * 
-   * Service for doing schema-related operations.
-   *
- */ - public interface AsyncService { - - /** - * - * - * 
-     * Creates a schema.
-     *
- */ - default void createSchema( - com.google.pubsub.v1.CreateSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getCreateSchemaMethod(), responseObserver); - } - - /** - * - * - * 
-     * Gets a schema.
-     *
- */ - default void getSchema( - com.google.pubsub.v1.GetSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetSchemaMethod(), responseObserver); - } - - /** - * - * - * 
-     * Lists schemas in a project.
-     *
- */ - default void listSchemas( - com.google.pubsub.v1.ListSchemasRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getListSchemasMethod(), responseObserver); - } - - /** - * - * - * 
-     * Lists all schema revisions for the named schema.
-     *
- */ - default void listSchemaRevisions( - com.google.pubsub.v1.ListSchemaRevisionsRequest request, - io.grpc.stub.StreamObserver - responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getListSchemaRevisionsMethod(), responseObserver); - } - - /** - * - * - * 
-     * Commits a new schema revision to an existing schema.
-     *
- */ - default void commitSchema( - com.google.pubsub.v1.CommitSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getCommitSchemaMethod(), responseObserver); - } - - /** - * - * - * 
-     * Creates a new schema revision that is a copy of the provided revision_id.
-     *
- */ - default void rollbackSchema( - com.google.pubsub.v1.RollbackSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getRollbackSchemaMethod(), responseObserver); - } - - /** - * - * - * 
-     * Deletes a specific schema revision.
-     *
- */ - default void deleteSchemaRevision( - com.google.pubsub.v1.DeleteSchemaRevisionRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getDeleteSchemaRevisionMethod(), responseObserver); - } - - /** - * - * - * 
-     * Deletes a schema.
-     *
- */ - default void deleteSchema( - com.google.pubsub.v1.DeleteSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getDeleteSchemaMethod(), responseObserver); - } - - /** - * - * - * 
-     * Validates a schema.
-     *
- */ - default void validateSchema( - com.google.pubsub.v1.ValidateSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getValidateSchemaMethod(), responseObserver); - } - - /** - * - * - * 
-     * Validates a message against a schema.
-     *
- */ - default void validateMessage( - com.google.pubsub.v1.ValidateMessageRequest request, - io.grpc.stub.StreamObserver - responseObserver) { - io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall( - getValidateMessageMethod(), responseObserver); - } - } - - /** - * Base class for the server implementation of the service SchemaService. - * - * 
-   * Service for doing schema-related operations.
-   *
- */ - public abstract static class SchemaServiceImplBase - implements io.grpc.BindableService, AsyncService { - - @java.lang.Override - public final io.grpc.ServerServiceDefinition bindService() { - return SchemaServiceGrpc.bindService(this); - } - } - - /** - * A stub to allow clients to do asynchronous rpc calls to service SchemaService. - * - * 
-   * Service for doing schema-related operations.
-   *
- */ - public static final class SchemaServiceStub - extends io.grpc.stub.AbstractAsyncStub { - private SchemaServiceStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - super(channel, callOptions); - } - - @java.lang.Override - protected SchemaServiceStub build(io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - return new SchemaServiceStub(channel, callOptions); - } - - /** - * - * - * 
-     * Creates a schema.
-     *
- */ - public void createSchema( - com.google.pubsub.v1.CreateSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getCreateSchemaMethod(), getCallOptions()), - request, - responseObserver); - } - - /** - * - * - * 
-     * Gets a schema.
-     *
- */ - public void getSchema( - com.google.pubsub.v1.GetSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getGetSchemaMethod(), getCallOptions()), request, responseObserver); - } - - /** - * - * - * 
-     * Lists schemas in a project.
-     *
- */ - public void listSchemas( - com.google.pubsub.v1.ListSchemasRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getListSchemasMethod(), getCallOptions()), - request, - responseObserver); - } - - /** - * - * - * 
-     * Lists all schema revisions for the named schema.
-     *
- */ - public void listSchemaRevisions( - com.google.pubsub.v1.ListSchemaRevisionsRequest request, - io.grpc.stub.StreamObserver - responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getListSchemaRevisionsMethod(), getCallOptions()), - request, - responseObserver); - } - - /** - * - * - * 
-     * Commits a new schema revision to an existing schema.
-     *
- */ - public void commitSchema( - com.google.pubsub.v1.CommitSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getCommitSchemaMethod(), getCallOptions()), - request, - responseObserver); - } - - /** - * - * - * 
-     * Creates a new schema revision that is a copy of the provided revision_id.
-     *
- */ - public void rollbackSchema( - com.google.pubsub.v1.RollbackSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getRollbackSchemaMethod(), getCallOptions()), - request, - responseObserver); - } - - /** - * - * - * 
-     * Deletes a specific schema revision.
-     *
- */ - public void deleteSchemaRevision( - com.google.pubsub.v1.DeleteSchemaRevisionRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getDeleteSchemaRevisionMethod(), getCallOptions()), - request, - responseObserver); - } - - /** - * - * - * 
-     * Deletes a schema.
-     *
- */ - public void deleteSchema( - com.google.pubsub.v1.DeleteSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getDeleteSchemaMethod(), getCallOptions()), - request, - responseObserver); - } - - /** - * - * - * 
-     * Validates a schema.
-     *
- */ - public void validateSchema( - com.google.pubsub.v1.ValidateSchemaRequest request, - io.grpc.stub.StreamObserver responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getValidateSchemaMethod(), getCallOptions()), - request, - responseObserver); - } - - /** - * - * - * 
-     * Validates a message against a schema.
-     *
- */ - public void validateMessage( - com.google.pubsub.v1.ValidateMessageRequest request, - io.grpc.stub.StreamObserver - responseObserver) { - io.grpc.stub.ClientCalls.asyncUnaryCall( - getChannel().newCall(getValidateMessageMethod(), getCallOptions()), - request, - responseObserver); - } - } - - /** - * A stub to allow clients to do synchronous rpc calls to service SchemaService. - * - * 
-   * Service for doing schema-related operations.
-   *
- */ - public static final class SchemaServiceBlockingStub - extends io.grpc.stub.AbstractBlockingStub { - private SchemaServiceBlockingStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - super(channel, callOptions); - } - - @java.lang.Override - protected SchemaServiceBlockingStub build( - io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - return new SchemaServiceBlockingStub(channel, callOptions); - } - - /** - * - * - * 
-     * Creates a schema.
-     *
- */ - public com.google.pubsub.v1.Schema createSchema( - com.google.pubsub.v1.CreateSchemaRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getCreateSchemaMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Gets a schema.
-     *
- */ - public com.google.pubsub.v1.Schema getSchema(com.google.pubsub.v1.GetSchemaRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getGetSchemaMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Lists schemas in a project.
-     *
- */ - public com.google.pubsub.v1.ListSchemasResponse listSchemas( - com.google.pubsub.v1.ListSchemasRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getListSchemasMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Lists all schema revisions for the named schema.
-     *
- */ - public com.google.pubsub.v1.ListSchemaRevisionsResponse listSchemaRevisions( - com.google.pubsub.v1.ListSchemaRevisionsRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getListSchemaRevisionsMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Commits a new schema revision to an existing schema.
-     *
- */ - public com.google.pubsub.v1.Schema commitSchema( - com.google.pubsub.v1.CommitSchemaRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getCommitSchemaMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Creates a new schema revision that is a copy of the provided revision_id.
-     *
- */ - public com.google.pubsub.v1.Schema rollbackSchema( - com.google.pubsub.v1.RollbackSchemaRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getRollbackSchemaMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Deletes a specific schema revision.
-     *
- */ - public com.google.pubsub.v1.Schema deleteSchemaRevision( - com.google.pubsub.v1.DeleteSchemaRevisionRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getDeleteSchemaRevisionMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Deletes a schema.
-     *
- */ - public com.google.protobuf.Empty deleteSchema( - com.google.pubsub.v1.DeleteSchemaRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getDeleteSchemaMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Validates a schema.
-     *
- */ - public com.google.pubsub.v1.ValidateSchemaResponse validateSchema( - com.google.pubsub.v1.ValidateSchemaRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getValidateSchemaMethod(), getCallOptions(), request); - } - - /** - * - * - * 
-     * Validates a message against a schema.
-     *
- */ - public com.google.pubsub.v1.ValidateMessageResponse validateMessage( - com.google.pubsub.v1.ValidateMessageRequest request) { - return io.grpc.stub.ClientCalls.blockingUnaryCall( - getChannel(), getValidateMessageMethod(), getCallOptions(), request); - } - } - - /** - * A stub to allow clients to do ListenableFuture-style rpc calls to service SchemaService. - * - * 
-   * Service for doing schema-related operations.
-   *
- */ - public static final class SchemaServiceFutureStub - extends io.grpc.stub.AbstractFutureStub { - private SchemaServiceFutureStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - super(channel, callOptions); - } - - @java.lang.Override - protected SchemaServiceFutureStub build( - io.grpc.Channel channel, io.grpc.CallOptions callOptions) { - return new SchemaServiceFutureStub(channel, callOptions); - } - - /** - * - * - * 
-     * Creates a schema.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture - createSchema(com.google.pubsub.v1.CreateSchemaRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getCreateSchemaMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Gets a schema.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture - getSchema(com.google.pubsub.v1.GetSchemaRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getGetSchemaMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Lists schemas in a project.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture< - com.google.pubsub.v1.ListSchemasResponse> - listSchemas(com.google.pubsub.v1.ListSchemasRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getListSchemasMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Lists all schema revisions for the named schema.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture< - com.google.pubsub.v1.ListSchemaRevisionsResponse> - listSchemaRevisions(com.google.pubsub.v1.ListSchemaRevisionsRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getListSchemaRevisionsMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Commits a new schema revision to an existing schema.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture - commitSchema(com.google.pubsub.v1.CommitSchemaRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getCommitSchemaMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Creates a new schema revision that is a copy of the provided revision_id.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture - rollbackSchema(com.google.pubsub.v1.RollbackSchemaRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getRollbackSchemaMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Deletes a specific schema revision.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture - deleteSchemaRevision(com.google.pubsub.v1.DeleteSchemaRevisionRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getDeleteSchemaRevisionMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Deletes a schema.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture - deleteSchema(com.google.pubsub.v1.DeleteSchemaRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getDeleteSchemaMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Validates a schema.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture< - com.google.pubsub.v1.ValidateSchemaResponse> - validateSchema(com.google.pubsub.v1.ValidateSchemaRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getValidateSchemaMethod(), getCallOptions()), request); - } - - /** - * - * - * 
-     * Validates a message against a schema.
-     *
- */ - public com.google.common.util.concurrent.ListenableFuture< - com.google.pubsub.v1.ValidateMessageResponse> - validateMessage(com.google.pubsub.v1.ValidateMessageRequest request) { - return io.grpc.stub.ClientCalls.futureUnaryCall( - getChannel().newCall(getValidateMessageMethod(), getCallOptions()), request); - } - } - - private static final int METHODID_CREATE_SCHEMA = 0; - private static final int METHODID_GET_SCHEMA = 1; - private static final int METHODID_LIST_SCHEMAS = 2; - private static final int METHODID_LIST_SCHEMA_REVISIONS = 3; - private static final int METHODID_COMMIT_SCHEMA = 4; - private static final int METHODID_ROLLBACK_SCHEMA = 5; - private static final int METHODID_DELETE_SCHEMA_REVISION = 6; - private static final int METHODID_DELETE_SCHEMA = 7; - private static final int METHODID_VALIDATE_SCHEMA = 8; - private static final int METHODID_VALIDATE_MESSAGE = 9; - - private static final class MethodHandlers - implements io.grpc.stub.ServerCalls.UnaryMethod, - io.grpc.stub.ServerCalls.ServerStreamingMethod, - io.grpc.stub.ServerCalls.ClientStreamingMethod, - io.grpc.stub.ServerCalls.BidiStreamingMethod { - private final AsyncService serviceImpl; - private final int methodId; - - MethodHandlers(AsyncService serviceImpl, int methodId) { - this.serviceImpl = serviceImpl; - this.methodId = methodId; - } - - @java.lang.Override - @java.lang.SuppressWarnings("unchecked") - public void invoke(Req request, io.grpc.stub.StreamObserver responseObserver) { - switch (methodId) { - case METHODID_CREATE_SCHEMA: - serviceImpl.createSchema( - (com.google.pubsub.v1.CreateSchemaRequest) request, - (io.grpc.stub.StreamObserver) responseObserver); - break; - case METHODID_GET_SCHEMA: - serviceImpl.getSchema( - (com.google.pubsub.v1.GetSchemaRequest) request, - (io.grpc.stub.StreamObserver) responseObserver); - break; - case METHODID_LIST_SCHEMAS: - serviceImpl.listSchemas( - (com.google.pubsub.v1.ListSchemasRequest) request, - (io.grpc.stub.StreamObserver) - responseObserver); - break; - case METHODID_LIST_SCHEMA_REVISIONS: - serviceImpl.listSchemaRevisions( - (com.google.pubsub.v1.ListSchemaRevisionsRequest) request, - (io.grpc.stub.StreamObserver) - responseObserver); - break; - case METHODID_COMMIT_SCHEMA: - serviceImpl.commitSchema( - (com.google.pubsub.v1.CommitSchemaRequest) request, - (io.grpc.stub.StreamObserver) responseObserver); - break; - case METHODID_ROLLBACK_SCHEMA: - serviceImpl.rollbackSchema( - (com.google.pubsub.v1.RollbackSchemaRequest) request, - (io.grpc.stub.StreamObserver) responseObserver); - break; - case METHODID_DELETE_SCHEMA_REVISION: - serviceImpl.deleteSchemaRevision( - (com.google.pubsub.v1.DeleteSchemaRevisionRequest) request, - (io.grpc.stub.StreamObserver) responseObserver); - break; - case METHODID_DELETE_SCHEMA: - serviceImpl.deleteSchema( - (com.google.pubsub.v1.DeleteSchemaRequest) request, - (io.grpc.stub.StreamObserver) responseObserver); - break; - case METHODID_VALIDATE_SCHEMA: - serviceImpl.validateSchema( - (com.google.pubsub.v1.ValidateSchemaRequest) request, - (io.grpc.stub.StreamObserver) - responseObserver); - break; - case METHODID_VALIDATE_MESSAGE: - serviceImpl.validateMessage( - (com.google.pubsub.v1.ValidateMessageRequest) request, - (io.grpc.stub.StreamObserver) - responseObserver); - break; - default: - throw new AssertionError(); - } - } - - @java.lang.Override - @java.lang.SuppressWarnings("unchecked") - public io.grpc.stub.StreamObserver invoke( - io.grpc.stub.StreamObserver responseObserver) { - switch (methodId) { - default: - throw new AssertionError(); - } - } - } - - public static final io.grpc.ServerServiceDefinition bindService(AsyncService service) { - return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor()) - .addMethod( - getCreateSchemaMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.CreateSchemaRequest, com.google.pubsub.v1.Schema>( - service, METHODID_CREATE_SCHEMA))) - .addMethod( - getGetSchemaMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.GetSchemaRequest, com.google.pubsub.v1.Schema>( - service, METHODID_GET_SCHEMA))) - .addMethod( - getListSchemasMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.ListSchemasRequest, - com.google.pubsub.v1.ListSchemasResponse>(service, METHODID_LIST_SCHEMAS))) - .addMethod( - getListSchemaRevisionsMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.ListSchemaRevisionsRequest, - com.google.pubsub.v1.ListSchemaRevisionsResponse>( - service, METHODID_LIST_SCHEMA_REVISIONS))) - .addMethod( - getCommitSchemaMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.CommitSchemaRequest, com.google.pubsub.v1.Schema>( - service, METHODID_COMMIT_SCHEMA))) - .addMethod( - getRollbackSchemaMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.RollbackSchemaRequest, com.google.pubsub.v1.Schema>( - service, METHODID_ROLLBACK_SCHEMA))) - .addMethod( - getDeleteSchemaRevisionMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.DeleteSchemaRevisionRequest, com.google.pubsub.v1.Schema>( - service, METHODID_DELETE_SCHEMA_REVISION))) - .addMethod( - getDeleteSchemaMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.DeleteSchemaRequest, com.google.protobuf.Empty>( - service, METHODID_DELETE_SCHEMA))) - .addMethod( - getValidateSchemaMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.ValidateSchemaRequest, - com.google.pubsub.v1.ValidateSchemaResponse>( - service, METHODID_VALIDATE_SCHEMA))) - .addMethod( - getValidateMessageMethod(), - io.grpc.stub.ServerCalls.asyncUnaryCall( - new MethodHandlers< - com.google.pubsub.v1.ValidateMessageRequest, - com.google.pubsub.v1.ValidateMessageResponse>( - service, METHODID_VALIDATE_MESSAGE))) - .build(); - } - - private abstract static class SchemaServiceBaseDescriptorSupplier - implements io.grpc.protobuf.ProtoFileDescriptorSupplier, - io.grpc.protobuf.ProtoServiceDescriptorSupplier { - SchemaServiceBaseDescriptorSupplier() {} - - @java.lang.Override - public com.google.protobuf.Descriptors.FileDescriptor getFileDescriptor() { - return com.google.pubsub.v1.SchemaProto.getDescriptor(); - } - - @java.lang.Override - public com.google.protobuf.Descriptors.ServiceDescriptor getServiceDescriptor() { - return getFileDescriptor().findServiceByName("SchemaService"); - } - } - - private static final class SchemaServiceFileDescriptorSupplier - extends SchemaServiceBaseDescriptorSupplier { - SchemaServiceFileDescriptorSupplier() {} - } - - private static final class SchemaServiceMethodDescriptorSupplier - extends SchemaServiceBaseDescriptorSupplier - implements io.grpc.protobuf.ProtoMethodDescriptorSupplier { - private final java.lang.String methodName; - - SchemaServiceMethodDescriptorSupplier(java.lang.String methodName) { - this.methodName = methodName; - } - - @java.lang.Override - public com.google.protobuf.Descriptors.MethodDescriptor getMethodDescriptor() { - return getServiceDescriptor().findMethodByName(methodName); - } - } - - private static volatile io.grpc.ServiceDescriptor serviceDescriptor; - - public static io.grpc.ServiceDescriptor getServiceDescriptor() { - io.grpc.ServiceDescriptor result = serviceDescriptor; - if (result == null) { - synchronized (SchemaServiceGrpc.class) { - result = serviceDescriptor; - if (result == null) { - serviceDescriptor = - result = - io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME) - .setSchemaDescriptor(new SchemaServiceFileDescriptorSupplier()) - .addMethod(getCreateSchemaMethod()) - .addMethod(getGetSchemaMethod()) - .addMethod(getListSchemasMethod()) - .addMethod(getListSchemaRevisionsMethod()) - .addMethod(getCommitSchemaMethod()) - .addMethod(getRollbackSchemaMethod()) - .addMethod(getDeleteSchemaRevisionMethod()) - .addMethod(getDeleteSchemaMethod()) - .addMethod(getValidateSchemaMethod()) - .addMethod(getValidateMessageMethod()) - .build(); - } - } - } - return result; - } -} diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceClient.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceClient.java similarity index 99% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceClient.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceClient.java index 6781dc341..02b4aef14 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceClient.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceClient.java @@ -449,7 +449,7 @@ public SchemaServiceStub getStub() { * will have a `name` made using the given `parent` and `schema_id`. * @param schemaId The ID to use for the schema, which will become the final component of the * schema's resource name. - *

See https://cloud.google.com/pubsub/docs/admin#resource_names for resource name + *

See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for resource name * constraints. * @throws com.google.api.gax.rpc.ApiException if the remote call fails */ @@ -490,7 +490,7 @@ public final Schema createSchema(ProjectName parent, Schema schema, String schem * will have a `name` made using the given `parent` and `schema_id`. * @param schemaId The ID to use for the schema, which will become the final component of the * schema's resource name. - *

See https://cloud.google.com/pubsub/docs/admin#resource_names for resource name + *

See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for resource name * constraints. * @throws com.google.api.gax.rpc.ApiException if the remote call fails */ diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceSettings.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceSettings.java similarity index 99% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceSettings.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceSettings.java index 67d08bb63..06e321094 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceSettings.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SchemaServiceSettings.java @@ -29,6 +29,7 @@ import com.google.api.gax.rpc.ClientContext; import com.google.api.gax.rpc.ClientSettings; import com.google.api.gax.rpc.PagedCallSettings; +import com.google.api.gax.rpc.StubSettings; import com.google.api.gax.rpc.TransportChannelProvider; import com.google.api.gax.rpc.UnaryCallSettings; import com.google.cloud.pubsub.v1.stub.SchemaServiceStubSettings; diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminClient.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminClient.java similarity index 79% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminClient.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminClient.java index 8f1229cd7..dbee623f3 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminClient.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminClient.java @@ -48,9 +48,6 @@ import com.google.pubsub.v1.ModifyAckDeadlineRequest; import com.google.pubsub.v1.ModifyPushConfigRequest; import com.google.pubsub.v1.ProjectName; -import com.google.pubsub.v1.ProjectSnapshotName; -import com.google.pubsub.v1.ProjectSubscriptionName; -import com.google.pubsub.v1.ProjectTopicName; import com.google.pubsub.v1.PullRequest; import com.google.pubsub.v1.PullResponse; import com.google.pubsub.v1.PushConfig; @@ -149,7 +146,7 @@ * * *

UpdateSubscription - *

Updates an existing subscription. Note that certain properties of a subscription, such as its topic, are not modifiable. + *

Updates an existing subscription by updating the fields specified in the update mask. Note that certain properties of a subscription, such as its topic, are not modifiable. * *

Request object method variants only take one parameter, a request object, which must be constructed before the call.

*
    @@ -356,7 +353,7 @@ * * *

    UpdateSnapshot - *

    Updates an existing snapshot. Snapshots are used in [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to manage message acknowledgments in bulk. That is, you can set the acknowledgment state of messages in an existing subscription to the state captured by a snapshot. + *

    Updates an existing snapshot by updating the fields specified in the update mask. Snapshots are used in [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to manage message acknowledgments in bulk. That is, you can set the acknowledgment state of messages in an existing subscription to the state captured by a snapshot. * *

    Request object method variants only take one parameter, a request object, which must be constructed before the call.

    *
      @@ -596,12 +593,12 @@ public SubscriberStub getStub() { * @param topic Required. The name of the topic from which this subscription is receiving * messages. Format is `projects/{project}/topics/{topic}`. The value of this field will be * `_deleted-topic_` if the topic has been deleted. - * @param pushConfig If push delivery is used with this subscription, this field is used to - * configure it. - * @param ackDeadlineSeconds The approximate amount of time (on a best-effort basis) Pub/Sub waits - * for the subscriber to acknowledge receipt before resending the message. In the interval - * after the message is delivered and before it is acknowledged, it is considered to be - * _outstanding_. During that time period, the message will not be redelivered (on a + * @param pushConfig Optional. If push delivery is used with this subscription, this field is used + * to configure it. + * @param ackDeadlineSeconds Optional. The approximate amount of time (on a best-effort basis) + * Pub/Sub waits for the subscriber to acknowledge receipt before resending the message. In + * the interval after the message is delivered and before it is acknowledged, it is considered + * to be _outstanding_. During that time period, the message will not be redelivered (on a * best-effort basis). *

      For pull subscriptions, this value is used as the initial value for the ack deadline. To * override this value for a given message, call `ModifyAckDeadline` with the corresponding @@ -666,12 +663,12 @@ public final Subscription createSubscription( * @param topic Required. The name of the topic from which this subscription is receiving * messages. Format is `projects/{project}/topics/{topic}`. The value of this field will be * `_deleted-topic_` if the topic has been deleted. - * @param pushConfig If push delivery is used with this subscription, this field is used to - * configure it. - * @param ackDeadlineSeconds The approximate amount of time (on a best-effort basis) Pub/Sub waits - * for the subscriber to acknowledge receipt before resending the message. In the interval - * after the message is delivered and before it is acknowledged, it is considered to be - * _outstanding_. During that time period, the message will not be redelivered (on a + * @param pushConfig Optional. If push delivery is used with this subscription, this field is used + * to configure it. + * @param ackDeadlineSeconds Optional. The approximate amount of time (on a best-effort basis) + * Pub/Sub waits for the subscriber to acknowledge receipt before resending the message. In + * the interval after the message is delivered and before it is acknowledged, it is considered + * to be _outstanding_. During that time period, the message will not be redelivered (on a * best-effort basis). *

      For pull subscriptions, this value is used as the initial value for the ack deadline. To * override this value for a given message, call `ModifyAckDeadline` with the corresponding @@ -736,12 +733,12 @@ public final Subscription createSubscription( * @param topic Required. The name of the topic from which this subscription is receiving * messages. Format is `projects/{project}/topics/{topic}`. The value of this field will be * `_deleted-topic_` if the topic has been deleted. - * @param pushConfig If push delivery is used with this subscription, this field is used to - * configure it. - * @param ackDeadlineSeconds The approximate amount of time (on a best-effort basis) Pub/Sub waits - * for the subscriber to acknowledge receipt before resending the message. In the interval - * after the message is delivered and before it is acknowledged, it is considered to be - * _outstanding_. During that time period, the message will not be redelivered (on a + * @param pushConfig Optional. If push delivery is used with this subscription, this field is used + * to configure it. + * @param ackDeadlineSeconds Optional. The approximate amount of time (on a best-effort basis) + * Pub/Sub waits for the subscriber to acknowledge receipt before resending the message. In + * the interval after the message is delivered and before it is acknowledged, it is considered + * to be _outstanding_. During that time period, the message will not be redelivered (on a * best-effort basis). *

      For pull subscriptions, this value is used as the initial value for the ack deadline. To * override this value for a given message, call `ModifyAckDeadline` with the corresponding @@ -806,12 +803,12 @@ public final Subscription createSubscription( * @param topic Required. The name of the topic from which this subscription is receiving * messages. Format is `projects/{project}/topics/{topic}`. The value of this field will be * `_deleted-topic_` if the topic has been deleted. - * @param pushConfig If push delivery is used with this subscription, this field is used to - * configure it. - * @param ackDeadlineSeconds The approximate amount of time (on a best-effort basis) Pub/Sub waits - * for the subscriber to acknowledge receipt before resending the message. In the interval - * after the message is delivered and before it is acknowledged, it is considered to be - * _outstanding_. During that time period, the message will not be redelivered (on a + * @param pushConfig Optional. If push delivery is used with this subscription, this field is used + * to configure it. + * @param ackDeadlineSeconds Optional. The approximate amount of time (on a best-effort basis) + * Pub/Sub waits for the subscriber to acknowledge receipt before resending the message. In + * the interval after the message is delivered and before it is acknowledged, it is considered + * to be _outstanding_. During that time period, the message will not be redelivered (on a * best-effort basis). *

      For pull subscriptions, this value is used as the initial value for the ack deadline. To * override this value for a given message, call `ModifyAckDeadline` with the corresponding @@ -890,216 +887,6 @@ public final Subscription createSubscription(Subscription request) { return createSubscriptionCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Creates a subscription to a given topic. See the <a - * href="https://cloud.google.com/pubsub/docs/admin#resource_names"> resource name - * rules</a>. If the subscription already exists, returns `ALREADY_EXISTS`. If the - * corresponding topic doesn't exist, returns `NOT_FOUND`. - * - *

      If the name is not provided in the request, the server will assign a random name for this - * subscription on the same project as the topic, conforming to the [resource name - * format](https://cloud.google.com/pubsub/docs/admin#resource_names). The generated name is - * populated in the returned Subscription object. Note that for REST API requests, you must - * specify a name in the request. - * - *

      Sample code: - * - * 

      
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName name = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   ProjectTopicName topic = ProjectTopicName.of("[PROJECT]", "[TOPIC]");
-   *   PushConfig pushConfig = PushConfig.newBuilder().build();
-   *   int ackDeadlineSeconds = 0;
-   *   Subscription response = subscriptionAdminClient.createSubscription(name, topic, pushConfig, ackDeadlineSeconds);
-   * }
-   *
      - * - * @param name Required. The name of the subscription. It must have the format - * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must start with a - * letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores - * (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 - * and 255 characters in length, and it must not start with `"goog"`. - * @param topic Required. The name of the topic from which this subscription is receiving - * messages. Format is `projects/{project}/topics/{topic}`. The value of this field will be - * `_deleted-topic_` if the topic has been deleted. - * @param pushConfig If push delivery is used with this subscription, this field is used to - * configure it. An empty `pushConfig` signifies that the subscriber will pull and ack - * messages using API methods. - * @param ackDeadlineSeconds The approximate amount of time (on a best-effort basis) Pub/Sub waits - * for the subscriber to acknowledge receipt before resending the message. In the interval - * after the message is delivered and before it is acknowledged, it is considered to be - * <i>outstanding</i>. During that time period, the message will not be - * redelivered (on a best-effort basis). - *

      For pull subscriptions, this value is used as the initial value for the ack deadline. To - * override this value for a given message, call `ModifyAckDeadline` with the corresponding - * `ack_id` if using non-streaming pull or send the `ack_id` in a - * `StreamingModifyAckDeadlineRequest` if using streaming pull. The minimum custom deadline - * you can specify is 10 seconds. The maximum custom deadline you can specify is 600 seconds - * (10 minutes). If this parameter is 0, a default value of 10 seconds is used. - *

      For push delivery, this value is also used to set the request timeout for the call to - * the push endpoint. - *

      If the subscriber never acknowledges the message, the Pub/Sub system will eventually - * redeliver the message. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #createSubscription(SubscriptionName, TopicName, PushConfig, int)} - * instead. - */ - @Deprecated - public final Subscription createSubscription( - ProjectSubscriptionName name, - ProjectTopicName topic, - PushConfig pushConfig, - int ackDeadlineSeconds) { - Subscription request = - Subscription.newBuilder() - .setName(name == null ? null : name.toString()) - .setTopic(topic == null ? null : topic.toString()) - .setPushConfig(pushConfig) - .setAckDeadlineSeconds(ackDeadlineSeconds) - .build(); - return createSubscription(request); - } - - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Creates a subscription to a given topic. See the [resource name rules] - * (https://cloud.google.com/pubsub/docs/admin#resource_names). If the subscription already - * exists, returns `ALREADY_EXISTS`. If the corresponding topic doesn't exist, returns - * `NOT_FOUND`. - * - *

      If the name is not provided in the request, the server will assign a random name for this - * subscription on the same project as the topic, conforming to the [resource name format] - * (https://cloud.google.com/pubsub/docs/admin#resource_names). The generated name is populated in - * the returned Subscription object. Note that for REST API requests, you must specify a name in - * the request. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName name = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   String topic = TopicName.ofProjectTopicName("[PROJECT]", "[TOPIC]").toString();
-   *   PushConfig pushConfig = PushConfig.newBuilder().build();
-   *   int ackDeadlineSeconds = 2135351438;
-   *   Subscription response =
-   *       subscriptionAdminClient.createSubscription(name, topic, pushConfig, ackDeadlineSeconds);
-   * }
-   * }
      - * - * @param name Required. The name of the subscription. It must have the format - * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must start with a - * letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores - * (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 - * and 255 characters in length, and it must not start with `"goog"`. - * @param topic Required. The name of the topic from which this subscription is receiving - * messages. Format is `projects/{project}/topics/{topic}`. The value of this field will be - * `_deleted-topic_` if the topic has been deleted. - * @param pushConfig If push delivery is used with this subscription, this field is used to - * configure it. An empty `pushConfig` signifies that the subscriber will pull and ack - * messages using API methods. - * @param ackDeadlineSeconds The approximate amount of time (on a best-effort basis) Pub/Sub waits - * for the subscriber to acknowledge receipt before resending the message. In the interval - * after the message is delivered and before it is acknowledged, it is considered to be - * <i>outstanding</i>. During that time period, the message will not be - * redelivered (on a best-effort basis). - *

      For pull subscriptions, this value is used as the initial value for the ack deadline. To - * override this value for a given message, call `ModifyAckDeadline` with the corresponding - * `ack_id` if using non-streaming pull or send the `ack_id` in a - * `StreamingModifyAckDeadlineRequest` if using streaming pull. The minimum custom deadline - * you can specify is 10 seconds. The maximum custom deadline you can specify is 600 seconds - * (10 minutes). If this parameter is 0, a default value of 10 seconds is used. - *

      For push delivery, this value is also used to set the request timeout for the call to - * the push endpoint. - *

      If the subscriber never acknowledges the message, the Pub/Sub system will eventually - * redeliver the message. - * @deprecated Use {@link #createSubscription(SubscriptionName, String, PushConfig, int)} instead. - */ - @Deprecated - public final Subscription createSubscription( - ProjectSubscriptionName name, String topic, PushConfig pushConfig, int ackDeadlineSeconds) { - Subscription request = - Subscription.newBuilder() - .setName(name == null ? null : name.toString()) - .setTopic(topic) - .setPushConfig(pushConfig) - .setAckDeadlineSeconds(ackDeadlineSeconds) - .build(); - return createSubscription(request); - } - - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Creates a subscription to a given topic. See the [resource name rules] - * (https://cloud.google.com/pubsub/docs/admin#resource_names). If the subscription already - * exists, returns `ALREADY_EXISTS`. If the corresponding topic doesn't exist, returns - * `NOT_FOUND`. - * - *

      If the name is not provided in the request, the server will assign a random name for this - * subscription on the same project as the topic, conforming to the [resource name format] - * (https://cloud.google.com/pubsub/docs/admin#resource_names). The generated name is populated in - * the returned Subscription object. Note that for REST API requests, you must specify a name in - * the request. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName name = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   TopicName topic = TopicName.ofProjectTopicName("[PROJECT]", "[TOPIC]");
-   *   PushConfig pushConfig = PushConfig.newBuilder().build();
-   *   int ackDeadlineSeconds = 2135351438;
-   *   Subscription response =
-   *       subscriptionAdminClient.createSubscription(name, topic, pushConfig, ackDeadlineSeconds);
-   * }
-   * }
      - * - * @param name Required. The name of the subscription. It must have the format - * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must start with a - * letter, and contain only letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores - * (`_`), periods (`.`), tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 - * and 255 characters in length, and it must not start with `"goog"`. - * @param topic Required. The name of the topic from which this subscription is receiving - * messages. Format is `projects/{project}/topics/{topic}`. The value of this field will be - * `_deleted-topic_` if the topic has been deleted. - * @param pushConfig If push delivery is used with this subscription, this field is used to - * configure it. An empty `pushConfig` signifies that the subscriber will pull and ack - * messages using API methods. - * @param ackDeadlineSeconds The approximate amount of time (on a best-effort basis) Pub/Sub waits - * for the subscriber to acknowledge receipt before resending the message. In the interval - * after the message is delivered and before it is acknowledged, it is considered to be - * <i>outstanding</i>. During that time period, the message will not be - * redelivered (on a best-effort basis). - *

      For pull subscriptions, this value is used as the initial value for the ack deadline. To - * override this value for a given message, call `ModifyAckDeadline` with the corresponding - * `ack_id` if using non-streaming pull or send the `ack_id` in a - * `StreamingModifyAckDeadlineRequest` if using streaming pull. The minimum custom deadline - * you can specify is 10 seconds. The maximum custom deadline you can specify is 600 seconds - * (10 minutes). If this parameter is 0, a default value of 10 seconds is used. - *

      For push delivery, this value is also used to set the request timeout for the call to - * the push endpoint. - *

      If the subscriber never acknowledges the message, the Pub/Sub system will eventually - * redeliver the message. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #createSubscription(SubscriptionName, TopicName, PushConfig, int)} - * instead. - */ - @Deprecated - public final Subscription createSubscription( - ProjectSubscriptionName name, - TopicName topic, - PushConfig pushConfig, - int ackDeadlineSeconds) { - Subscription request = - Subscription.newBuilder() - .setName(name == null ? null : name.toString()) - .setTopic(topic == null ? null : topic.toString()) - .setPushConfig(pushConfig) - .setAckDeadlineSeconds(ackDeadlineSeconds) - .build(); - return createSubscription(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Creates a subscription to a given topic. See the [resource name rules] @@ -1239,33 +1026,6 @@ public final Subscription getSubscription(GetSubscriptionRequest request) { return getSubscriptionCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Gets the configuration details of a subscription. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   Subscription response = subscriptionAdminClient.getSubscription(subscription);
-   * }
-   * }
      - * - * @param subscription Required. The name of the subscription to get. Format is - * `projects/{project}/subscriptions/{sub}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #getSubscription(SubscriptionName)} instead. - */ - @Deprecated - public final Subscription getSubscription(ProjectSubscriptionName subscription) { - GetSubscriptionRequest request = - GetSubscriptionRequest.newBuilder() - .setSubscription(subscription == null ? null : subscription.toString()) - .build(); - return getSubscription(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Gets the configuration details of a subscription. @@ -1296,8 +1056,8 @@ public final UnaryCallable getSubscription // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing subscription. Note that certain properties of a subscription, such as its - * topic, are not modifiable. + * Updates an existing subscription by updating the fields specified in the update mask. Note that + * certain properties of a subscription, such as its topic, are not modifiable. * *

      Sample code: * @@ -1330,8 +1090,8 @@ public final Subscription updateSubscription(Subscription subscription, FieldMas // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing subscription. Note that certain properties of a subscription, such as its - * topic, are not modifiable. + * Updates an existing subscription by updating the fields specified in the update mask. Note that + * certain properties of a subscription, such as its topic, are not modifiable. * *

      Sample code: * @@ -1360,8 +1120,8 @@ public final Subscription updateSubscription(UpdateSubscriptionRequest request) // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing subscription. Note that certain properties of a subscription, such as its - * topic, are not modifiable. + * Updates an existing subscription by updating the fields specified in the update mask. Note that + * certain properties of a subscription, such as its topic, are not modifiable. * *

      Sample code: * @@ -1650,36 +1410,6 @@ public final void deleteSubscription(DeleteSubscriptionRequest request) { deleteSubscriptionCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Deletes an existing subscription. All messages retained in the subscription are immediately - * dropped. Calls to `Pull` after deletion will return `NOT_FOUND`. After a subscription is - * deleted, a new one may be created with the same name, but the new one has no association with - * the old subscription or its topic unless the same topic is specified. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   subscriptionAdminClient.deleteSubscription(subscription);
-   * }
-   * }
      - * - * @param subscription Required. The subscription to delete. Format is - * `projects/{project}/subscriptions/{sub}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #deleteSubscription(SubscriptionName)} instead. - */ - @Deprecated - public final void deleteSubscription(ProjectSubscriptionName subscription) { - DeleteSubscriptionRequest request = - DeleteSubscriptionRequest.newBuilder() - .setSubscription(subscription == null ? null : subscription.toString()) - .build(); - deleteSubscription(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Deletes an existing subscription. All messages retained in the subscription are immediately @@ -1742,8 +1472,8 @@ public final UnaryCallable deleteSubscriptionC * expire 10 seconds after the `ModifyAckDeadline` call was made. Specifying zero might * immediately make the message available for delivery to another subscriber client. This * typically results in an increase in the rate of message redeliveries (that is, duplicates). - * The minimum deadline you can specify is 0 seconds. The maximum deadline you can specify is - * 600 seconds (10 minutes). + * The minimum deadline you can specify is 0 seconds. The maximum deadline you can specify in + * a single request is 600 seconds (10 minutes). * @throws com.google.api.gax.rpc.ApiException if the remote call fails */ public final void modifyAckDeadline( @@ -1788,8 +1518,8 @@ public final void modifyAckDeadline( * expire 10 seconds after the `ModifyAckDeadline` call was made. Specifying zero might * immediately make the message available for delivery to another subscriber client. This * typically results in an increase in the rate of message redeliveries (that is, duplicates). - * The minimum deadline you can specify is 0 seconds. The maximum deadline you can specify is - * 600 seconds (10 minutes). + * The minimum deadline you can specify is 0 seconds. The maximum deadline you can specify in + * a single request is 600 seconds (10 minutes). * @throws com.google.api.gax.rpc.ApiException if the remote call fails */ public final void modifyAckDeadline( @@ -1836,49 +1566,6 @@ public final void modifyAckDeadline(ModifyAckDeadlineRequest request) { modifyAckDeadlineCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Modifies the ack deadline for a specific message. This method is useful to indicate that more - * time is needed to process a message by the subscriber, or to make the message available for - * redelivery if the processing was interrupted. Note that this does not modify the - * subscription-level `ackDeadlineSeconds` used for subsequent messages. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   List ackIds = new ArrayList<>();
-   *   int ackDeadlineSeconds = 2135351438;
-   *   subscriptionAdminClient.modifyAckDeadline(subscription, ackIds, ackDeadlineSeconds);
-   * }
-   * }
      - * - * @param subscription Required. The name of the subscription. Format is - * `projects/{project}/subscriptions/{sub}`. - * @param ackIds Required. List of acknowledgment IDs. - * @param ackDeadlineSeconds Required. The new ack deadline with respect to the time this request - * was sent to the Pub/Sub system. For example, if the value is 10, the new ack deadline will - * expire 10 seconds after the `ModifyAckDeadline` call was made. Specifying zero might - * immediately make the message available for delivery to another subscriber client. This - * typically results in an increase in the rate of message redeliveries (that is, duplicates). - * The minimum deadline you can specify is 0 seconds. The maximum deadline you can specify is - * 600 seconds (10 minutes). - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #modifyAckDeadline(SubscriptionName, List, int)} instead. - */ - @Deprecated - final void modifyAckDeadline( - ProjectSubscriptionName subscription, List ackIds, int ackDeadlineSeconds) { - ModifyAckDeadlineRequest request = - ModifyAckDeadlineRequest.newBuilder() - .setSubscription(subscription == null ? null : subscription.toString()) - .addAllAckIds(ackIds) - .setAckDeadlineSeconds(ackDeadlineSeconds) - .build(); - modifyAckDeadline(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Modifies the ack deadline for a specific message. This method is useful to indicate that more @@ -2018,41 +1705,6 @@ public final void acknowledge(AcknowledgeRequest request) { acknowledgeCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Acknowledges the messages associated with the `ack_ids` in the `AcknowledgeRequest`. The - * Pub/Sub system can remove the relevant messages from the subscription. - * - *

      Acknowledging a message whose ack deadline has expired may succeed, but such a message may - * be redelivered later. Acknowledging a message more than once will not result in an error. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   List ackIds = new ArrayList<>();
-   *   subscriptionAdminClient.acknowledge(subscription, ackIds);
-   * }
-   * }
      - * - * @param subscription Required. The subscription whose message is being acknowledged. Format is - * `projects/{project}/subscriptions/{sub}`. - * @param ackIds Required. The acknowledgment ID for the messages being acknowledged that was - * returned by the Pub/Sub system in the `Pull` response. Must not be empty. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #acknowledge(SubscriptionName, List)} instead. - */ - @Deprecated - public final void acknowledge(ProjectSubscriptionName subscription, List ackIds) { - AcknowledgeRequest request = - AcknowledgeRequest.newBuilder() - .setSubscription(subscription == null ? null : subscription.toString()) - .addAllAckIds(ackIds) - .build(); - acknowledge(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Acknowledges the messages associated with the `ack_ids` in the `AcknowledgeRequest`. The @@ -2260,85 +1912,11 @@ public final PullResponse pull(String subscription, boolean returnImmediately, i * } * } * - * @param request The request object containing all of the parameters for the API call. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - */ - public final PullResponse pull(PullRequest request) { - return pullCallable().call(request); - } - - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Pulls messages from the server. The server may return `UNAVAILABLE` if there are too many - * concurrent pull requests pending for the given subscription. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   int maxMessages = 496131527;
-   *   PullResponse response = subscriptionAdminClient.pull(subscription, maxMessages);
-   * }
-   * }
      - * - * @param subscription Required. The subscription from which messages should be pulled. Format is - * `projects/{project}/subscriptions/{sub}`. - * @param maxMessages Required. The maximum number of messages to return for this request. Must be - * a positive integer. The Pub/Sub system may return fewer than the number specified. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #pull(SubscriptionName, int)} instead. - */ - @Deprecated - public final PullResponse pull(ProjectSubscriptionName subscription, int maxMessages) { - PullRequest request = - PullRequest.newBuilder() - .setSubscription(subscription == null ? null : subscription.toString()) - .setMaxMessages(maxMessages) - .build(); - return pull(request); - } - - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Pulls messages from the server. The server may return `UNAVAILABLE` if there are too many - * concurrent pull requests pending for the given subscription. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   boolean returnImmediately = true;
-   *   int maxMessages = 496131527;
-   *   PullResponse response =
-   *       subscriptionAdminClient.pull(subscription, returnImmediately, maxMessages);
-   * }
-   * }
      - * - * @param subscription Required. The subscription from which messages should be pulled. Format is - * `projects/{project}/subscriptions/{sub}`. - * @param returnImmediately Optional. If this field set to true, the system will respond - * immediately even if it there are no messages available to return in the `Pull` response. - * Otherwise, the system may wait (for a bounded amount of time) until at least one message is - * available, rather than returning no messages. Warning: setting this field to `true` is - * discouraged because it adversely impacts the performance of `Pull` operations. We recommend - * that users do not set this field. - * @param maxMessages Required. The maximum number of messages to return for this request. Must be - * a positive integer. The Pub/Sub system may return fewer than the number specified. + * @param request The request object containing all of the parameters for the API call. * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #pull(SubscriptionName, boolean, int)} instead. */ - @Deprecated - final PullResponse pull( - ProjectSubscriptionName subscription, boolean returnImmediately, int maxMessages) { - PullRequest request = - PullRequest.newBuilder() - .setSubscription(subscription == null ? null : subscription.toString()) - .setReturnImmediately(returnImmediately) - .setMaxMessages(maxMessages) - .build(); - return pull(request); + public final PullResponse pull(PullRequest request) { + return pullCallable().call(request); } // AUTO-GENERATED DOCUMENTATION AND METHOD. @@ -2529,44 +2107,6 @@ public final void modifyPushConfig(ModifyPushConfigRequest request) { modifyPushConfigCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Modifies the `PushConfig` for a specified subscription. - * - *

      This may be used to change a push subscription to a pull one (signified by an empty - * `PushConfig`) or vice versa, or change the endpoint URL and other attributes of a push - * subscription. Messages will accumulate for delivery continuously through the call regardless of - * changes to the `PushConfig`. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   PushConfig pushConfig = PushConfig.newBuilder().build();
-   *   subscriptionAdminClient.modifyPushConfig(subscription, pushConfig);
-   * }
-   * }
      - * - * @param subscription Required. The name of the subscription. Format is - * `projects/{project}/subscriptions/{sub}`. - * @param pushConfig Required. The push configuration for future deliveries. - *

      An empty `pushConfig` indicates that the Pub/Sub system should stop pushing messages - * from the given subscription and allow messages to be pulled and acknowledged - effectively - * pausing the subscription if `Pull` or `StreamingPull` is not called. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #modifyPushConfig(SubscriptionName, PushConfig)} instead. - */ - @Deprecated - public final void modifyPushConfig(ProjectSubscriptionName subscription, PushConfig pushConfig) { - ModifyPushConfigRequest request = - ModifyPushConfigRequest.newBuilder() - .setSubscription(subscription == null ? null : subscription.toString()) - .setPushConfig(pushConfig) - .build(); - modifyPushConfig(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Modifies the `PushConfig` for a specified subscription. @@ -2695,36 +2235,6 @@ public final Snapshot getSnapshot(GetSnapshotRequest request) { return getSnapshotCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Gets the configuration details of a snapshot. Snapshots are used in <a - * href="https://cloud.google.com/pubsub/docs/replay-overview">Seek</a> operations, which - * allow you to manage message acknowledgments in bulk. That is, you can set the acknowledgment - * state of messages in an existing subscription to the state captured by a snapshot. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSnapshotName snapshot = ProjectSnapshotName.of("[PROJECT]", "[SNAPSHOT]");
-   *   Snapshot response = subscriptionAdminClient.getSnapshot(snapshot);
-   * }
-   * }
      - * - * @param snapshot Required. The name of the snapshot to get. Format is - * `projects/{project}/snapshots/{snap}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use Use {@link #getSnapshot(SnapshotName)} instead. - */ - @Deprecated - public final Snapshot getSnapshot(ProjectSnapshotName snapshot) { - GetSnapshotRequest request = - GetSnapshotRequest.newBuilder() - .setSnapshot(snapshot == null ? null : snapshot.toString()) - .build(); - return getSnapshot(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Gets the configuration details of a snapshot. Snapshots are used in @@ -3186,157 +2696,6 @@ public final Snapshot createSnapshot(CreateSnapshotRequest request) { return createSnapshotCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Creates a snapshot from the requested subscription. Snapshots are used in - * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to - * manage message acknowledgments in bulk. That is, you can set the acknowledgment state of - * messages in an existing subscription to the state captured by a snapshot. If the snapshot - * already exists, returns `ALREADY_EXISTS`. If the requested subscription doesn't exist, returns - * `NOT_FOUND`. If the backlog in the subscription is too old -- and the resulting snapshot would - * expire in less than 1 hour -- then `FAILED_PRECONDITION` is returned. See also the - * `Snapshot.expire_time` field. If the name is not provided in the request, the server will - * assign a random name for this snapshot on the same project as the subscription, conforming to - * the [resource name format] (https://cloud.google.com/pubsub/docs/admin#resource_names). The - * generated name is populated in the returned Snapshot object. Note that for REST API requests, - * you must specify a name in the request. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSnapshotName name = ProjectSnapshotName.of("[PROJECT]", "[SNAPSHOT]");
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   Snapshot response = subscriptionAdminClient.createSnapshot(name, subscription);
-   * }
-   * }
      - * - * @param name Required. User-provided name for this snapshot. If the name is not provided in the - * request, the server will assign a random name for this snapshot on the same project as the - * subscription. Note that for REST API requests, you must specify a name. See the <a - * href="https://cloud.google.com/pubsub/docs/admin#resource_names"> resource name - * rules</a>. Format is `projects/{project}/snapshots/{snap}`. - * @param subscription Required. The subscription whose backlog the snapshot retains. - * Specifically, the created snapshot is guaranteed to retain: (a) The existing backlog on the - * subscription. More precisely, this is defined as the messages in the subscription's backlog - * that are unacknowledged upon the successful completion of the `CreateSnapshot` request; as - * well as: (b) Any messages published to the subscription's topic following the successful - * completion of the CreateSnapshot request. Format is - * `projects/{project}/subscriptions/{sub}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use Use {@link #createSnapshot(SnapshotName, SubscriptionName)} instead. - */ - @Deprecated - public final Snapshot createSnapshot( - ProjectSnapshotName name, ProjectSubscriptionName subscription) { - CreateSnapshotRequest request = - CreateSnapshotRequest.newBuilder() - .setName(name == null ? null : name.toString()) - .setSubscription(subscription == null ? null : subscription.toString()) - .build(); - return createSnapshot(request); - } - - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Creates a snapshot from the requested subscription. Snapshots are used in - * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to - * manage message acknowledgments in bulk. That is, you can set the acknowledgment state of - * messages in an existing subscription to the state captured by a snapshot. If the snapshot - * already exists, returns `ALREADY_EXISTS`. If the requested subscription doesn't exist, returns - * `NOT_FOUND`. If the backlog in the subscription is too old -- and the resulting snapshot would - * expire in less than 1 hour -- then `FAILED_PRECONDITION` is returned. See also the - * `Snapshot.expire_time` field. If the name is not provided in the request, the server will - * assign a random name for this snapshot on the same project as the subscription, conforming to - * the [resource name format] (https://cloud.google.com/pubsub/docs/admin#resource_names). The - * generated name is populated in the returned Snapshot object. Note that for REST API requests, - * you must specify a name in the request. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   String name = ProjectSnapshotName.of("[PROJECT]", "[SNAPSHOT]").toString();
-   *   ProjectSubscriptionName subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]");
-   *   Snapshot response = subscriptionAdminClient.createSnapshot(name, subscription);
-   * }
-   * }
      - * - * @param name Required. User-provided name for this snapshot. If the name is not provided in the - * request, the server will assign a random name for this snapshot on the same project as the - * subscription. Note that for REST API requests, you must specify a name. See the <a - * href="https://cloud.google.com/pubsub/docs/admin#resource_names"> resource name - * rules</a>. Format is `projects/{project}/snapshots/{snap}`. - * @param subscription Required. The subscription whose backlog the snapshot retains. - * Specifically, the created snapshot is guaranteed to retain: (a) The existing backlog on the - * subscription. More precisely, this is defined as the messages in the subscription's backlog - * that are unacknowledged upon the successful completion of the `CreateSnapshot` request; as - * well as: (b) Any messages published to the subscription's topic following the successful - * completion of the CreateSnapshot request. Format is - * `projects/{project}/subscriptions/{sub}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use Use {@link #createSnapshot(String, SubscriptionName)} instead. - */ - @Deprecated - public final Snapshot createSnapshot(String name, ProjectSubscriptionName subscription) { - CreateSnapshotRequest request = - CreateSnapshotRequest.newBuilder() - .setName(name) - .setSubscription(subscription == null ? null : subscription.toString()) - .build(); - return createSnapshot(request); - } - - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Creates a snapshot from the requested subscription. Snapshots are used in - * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to - * manage message acknowledgments in bulk. That is, you can set the acknowledgment state of - * messages in an existing subscription to the state captured by a snapshot. If the snapshot - * already exists, returns `ALREADY_EXISTS`. If the requested subscription doesn't exist, returns - * `NOT_FOUND`. If the backlog in the subscription is too old -- and the resulting snapshot would - * expire in less than 1 hour -- then `FAILED_PRECONDITION` is returned. See also the - * `Snapshot.expire_time` field. If the name is not provided in the request, the server will - * assign a random name for this snapshot on the same project as the subscription, conforming to - * the [resource name format] (https://cloud.google.com/pubsub/docs/admin#resource_names). The - * generated name is populated in the returned Snapshot object. Note that for REST API requests, - * you must specify a name in the request. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSnapshotName name = ProjectSnapshotName.of("[PROJECT]", "[SNAPSHOT]");
-   *   String subscription = ProjectSubscriptionName.of("[PROJECT]", "[SUBSCRIPTION]").toString();
-   *   Snapshot response = subscriptionAdminClient.createSnapshot(name, subscription);
-   * }
-   * }
      - * - * @param name Required. User-provided name for this snapshot. If the name is not provided in the - * request, the server will assign a random name for this snapshot on the same project as the - * subscription. Note that for REST API requests, you must specify a name. See the <a - * href="https://cloud.google.com/pubsub/docs/admin#resource_names"> resource name - * rules</a>. Format is `projects/{project}/snapshots/{snap}`. - * @param subscription Required. The subscription whose backlog the snapshot retains. - * Specifically, the created snapshot is guaranteed to retain: (a) The existing backlog on the - * subscription. More precisely, this is defined as the messages in the subscription's backlog - * that are unacknowledged upon the successful completion of the `CreateSnapshot` request; as - * well as: (b) Any messages published to the subscription's topic following the successful - * completion of the CreateSnapshot request. Format is - * `projects/{project}/subscriptions/{sub}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use Use {@link #createSnapshot(SnapshotName, String)} instead. - */ - @Deprecated - public final Snapshot createSnapshot(ProjectSnapshotName name, String subscription) { - CreateSnapshotRequest request = - CreateSnapshotRequest.newBuilder() - .setName(name == null ? null : name.toString()) - .setSubscription(subscription) - .build(); - return createSnapshot(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Creates a snapshot from the requested subscription. Snapshots are used in @@ -3380,9 +2739,9 @@ public final UnaryCallable createSnapshotCallab // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing snapshot. Snapshots are used in - * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to - * manage message acknowledgments in bulk. That is, you can set the acknowledgment state of + * Updates an existing snapshot by updating the fields specified in the update mask. Snapshots are + * used in [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow + * you to manage message acknowledgments in bulk. That is, you can set the acknowledgment state of * messages in an existing subscription to the state captured by a snapshot. * *

      Sample code: @@ -3413,9 +2772,9 @@ public final Snapshot updateSnapshot(Snapshot snapshot, FieldMask updateMask) { // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing snapshot. Snapshots are used in - * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to - * manage message acknowledgments in bulk. That is, you can set the acknowledgment state of + * Updates an existing snapshot by updating the fields specified in the update mask. Snapshots are + * used in [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow + * you to manage message acknowledgments in bulk. That is, you can set the acknowledgment state of * messages in an existing subscription to the state captured by a snapshot. * *

      Sample code: @@ -3445,9 +2804,9 @@ public final Snapshot updateSnapshot(UpdateSnapshotRequest request) { // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing snapshot. Snapshots are used in - * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to - * manage message acknowledgments in bulk. That is, you can set the acknowledgment state of + * Updates an existing snapshot by updating the fields specified in the update mask. Snapshots are + * used in [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow + * you to manage message acknowledgments in bulk. That is, you can set the acknowledgment state of * messages in an existing subscription to the state captured by a snapshot. * *

      Sample code: @@ -3579,39 +2938,6 @@ public final void deleteSnapshot(DeleteSnapshotRequest request) { deleteSnapshotCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD. - /** - * Removes an existing snapshot. Snapshots are used in [Seek] - * (https://cloud.google.com/pubsub/docs/replay-overview) operations, which allow you to manage - * message acknowledgments in bulk. That is, you can set the acknowledgment state of messages in - * an existing subscription to the state captured by a snapshot. When the snapshot is deleted, all - * messages retained in the snapshot are immediately dropped. After a snapshot is deleted, a new - * one may be created with the same name, but the new one has no association with the old snapshot - * or its subscription, unless the same subscription is specified. - * - *

      Sample code: - * - * 

      {@code
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   ProjectSnapshotName snapshot = ProjectSnapshotName.of("[PROJECT]", "[SNAPSHOT]");
-   *   subscriptionAdminClient.deleteSnapshot(snapshot);
-   * }
-   * }
      - * - * @param snapshot Required. The name of the snapshot to delete. Format is - * `projects/{project}/snapshots/{snap}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use Use {@link #deleteSnapshot(SnapshotName)} instead. - */ - @Deprecated - public final void deleteSnapshot(ProjectSnapshotName snapshot) { - DeleteSnapshotRequest request = - DeleteSnapshotRequest.newBuilder() - .setSnapshot(snapshot == null ? null : snapshot.toString()) - .build(); - deleteSnapshot(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Removes an existing snapshot. Snapshots are used in [Seek] @@ -3743,37 +3069,6 @@ public final Policy setIamPolicy(SetIamPolicyRequest request) { return setIamPolicyCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Sets the access control policy on the specified resource. Replaces any existing policy. - * - *

      Can return Public Errors: NOT_FOUND, INVALID_ARGUMENT and PERMISSION_DENIED - * - *

      Sample code: - * - * 

      
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   String formattedResource = ProjectTopicName.format("[PROJECT]", "[TOPIC]");
-   *   Policy policy = Policy.newBuilder().build();
-   *   Policy response = subscriptionAdminClient.setIamPolicy(formattedResource, policy);
-   * }
-   *
      - * - * @param resource REQUIRED: The resource for which the policy is being specified. See the - * operation documentation for the appropriate value for this field. - * @param policy REQUIRED: The complete policy to be applied to the `resource`. The size of the - * policy is limited to a few 10s of KB. An empty policy is a valid policy but certain Cloud - * Platform services (such as Projects) might reject them. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #setIamPolicy(SetIamPolicyRequest)} instead. - */ - @Deprecated - public final Policy setIamPolicy(String resource, Policy policy) { - SetIamPolicyRequest request = - SetIamPolicyRequest.newBuilder().setResource(resource).setPolicy(policy).build(); - return setIamPolicy(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Sets the access control policy on the specified resource. Replacesany existing policy. @@ -3835,31 +3130,6 @@ public final Policy getIamPolicy(GetIamPolicyRequest request) { return getIamPolicyCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Gets the access control policy for a resource. Returns an empty policy if the resource exists - * and does not have a policy set. - * - *

      Sample code: - * - * 

      
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   String formattedResource = ProjectTopicName.format("[PROJECT]", "[TOPIC]");
-   *   Policy response = subscriptionAdminClient.getIamPolicy(formattedResource);
-   * }
-   *
      - * - * @param resource REQUIRED: The resource for which the policy is being requested. See the - * operation documentation for the appropriate value for this field. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #getIamPolicy(GetIamPolicyRequest)} instead. - */ - @Deprecated - public final Policy getIamPolicy(String resource) { - GetIamPolicyRequest request = GetIamPolicyRequest.newBuilder().setResource(resource).build(); - return getIamPolicy(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Gets the access control policy for a resource. Returns an empty policyif the resource exists @@ -3923,44 +3193,6 @@ public final TestIamPermissionsResponse testIamPermissions(TestIamPermissionsReq return testIamPermissionsCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Returns permissions that a caller has on the specified resource. If the resource does not - * exist, this will return an empty set of permissions, not a NOT_FOUND error. - * - *

      Note: This operation is designed to be used for building permission-aware UIs and - * command-line tools, not for authorization checking. This operation may "fail open" without - * warning. - * - *

      Sample code: - * - * 

      
-   * try (SubscriptionAdminClient subscriptionAdminClient = SubscriptionAdminClient.create()) {
-   *   String formattedResource = ProjectTopicName.format("[PROJECT]", "[TOPIC]");
-   *   List<String> permissions = new ArrayList<>();
-   *   TestIamPermissionsResponse response = subscriptionAdminClient.testIamPermissions(formattedResource, permissions);
-   * }
-   *
      - * - * @param resource REQUIRED: The resource for which the policy detail is being requested. See the - * operation documentation for the appropriate value for this field. - * @param permissions The set of permissions to check for the `resource`. Permissions with - * wildcards (such as '*' or 'storage.*') are not allowed. For more information see - * [IAM Overview](https://cloud.google.com/iam/docs/overview#permissions). - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #testIamPermissions(TestIamPermissionsRequest)} instead. - */ - @Deprecated - public final TestIamPermissionsResponse testIamPermissions( - String resource, List permissions) { - TestIamPermissionsRequest request = - TestIamPermissionsRequest.newBuilder() - .setResource(resource) - .addAllPermissions(permissions) - .build(); - return testIamPermissions(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Returns permissions that a caller has on the specified resource. If theresource does not exist, diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminSettings.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminSettings.java similarity index 99% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminSettings.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminSettings.java index 7f50be718..19d7cddb1 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminSettings.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/SubscriptionAdminSettings.java @@ -30,6 +30,7 @@ import com.google.api.gax.rpc.ClientSettings; import com.google.api.gax.rpc.PagedCallSettings; import com.google.api.gax.rpc.StreamingCallSettings; +import com.google.api.gax.rpc.StubSettings; import com.google.api.gax.rpc.TransportChannelProvider; import com.google.api.gax.rpc.UnaryCallSettings; import com.google.cloud.pubsub.v1.stub.SubscriberStubSettings; diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminClient.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminClient.java similarity index 90% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminClient.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminClient.java index 7f14c0d52..bc71b9edc 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminClient.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminClient.java @@ -45,7 +45,6 @@ import com.google.pubsub.v1.ListTopicsRequest; import com.google.pubsub.v1.ListTopicsResponse; import com.google.pubsub.v1.ProjectName; -import com.google.pubsub.v1.ProjectTopicName; import com.google.pubsub.v1.PublishRequest; import com.google.pubsub.v1.PublishResponse; import com.google.pubsub.v1.PubsubMessage; @@ -108,7 +107,7 @@ * * *

      UpdateTopic - *

      Updates an existing topic. Note that certain properties of a topic are not modifiable. + *

      Updates an existing topic by updating the fields specified in the update mask. Note that certain properties of a topic are not modifiable. * *

      Request object method variants only take one parameter, a request object, which must be constructed before the call.

      *
        @@ -463,35 +462,6 @@ public final Topic createTopic(String name) { return createTopic(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Creates the given topic with the given name. See the <a - * href="https://cloud.google.com/pubsub/docs/admin#resource_names"> resource name - * rules</a>. - * - *

        Sample code: - * - * 

        
-   * try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
-   *   ProjectTopicName name = ProjectTopicName.of("[PROJECT]", "[TOPIC]");
-   *   Topic response = topicAdminClient.createTopic(name);
-   * }
-   *
        - * - * @param name Required. The name of the topic. It must have the format - * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter, and contain only - * letters (`[A-Za-z]`), numbers (`[0-9]`), dashes (`-`), underscores (`_`), periods (`.`), - * tildes (`~`), plus (`+`) or percent signs (`%`). It must be between 3 and 255 characters in - * length, and it must not start with `"goog"`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #createTopic(TopicName)} instead. - */ - @Deprecated - public final Topic createTopic(ProjectTopicName name) { - Topic request = Topic.newBuilder().setName(name == null ? null : name.toString()).build(); - return createTopic(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Creates the given topic with the given name. See the [resource name rules] @@ -565,7 +535,8 @@ public final UnaryCallable createTopicCallable() { // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing topic. Note that certain properties of a topic are not modifiable. + * Updates an existing topic by updating the fields specified in the update mask. Note that + * certain properties of a topic are not modifiable. * *

        Sample code: * @@ -597,7 +568,8 @@ public final Topic updateTopic(Topic topic, FieldMask updateMask) { // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing topic. Note that certain properties of a topic are not modifiable. + * Updates an existing topic by updating the fields specified in the update mask. Note that + * certain properties of a topic are not modifiable. * *

        Sample code: * @@ -626,7 +598,8 @@ public final Topic updateTopic(UpdateTopicRequest request) { // AUTO-GENERATED DOCUMENTATION AND METHOD. /** - * Updates an existing topic. Note that certain properties of a topic are not modifiable. + * Updates an existing topic by updating the fields specified in the update mask. Note that + * certain properties of a topic are not modifiable. * *

        Sample code: * @@ -827,31 +800,6 @@ public final Topic getTopic(String topic) { return getTopic(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Gets the configuration of a topic. - * - *

        Sample code: - * - * 

        
-   * try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
-   *   ProjectTopicName topic = ProjectTopicName.of("[PROJECT]", "[TOPIC]");
-   *   Topic response = topicAdminClient.getTopic(topic);
-   * }
-   *
        - * - * @param topic Required. The name of the topic to get. Format is - * `projects/{project}/topics/{topic}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #getTopic(TopicName)} instead. - */ - @Deprecated - public final Topic getTopic(ProjectTopicName topic) { - GetTopicRequest request = - GetTopicRequest.newBuilder().setTopic(topic == null ? null : topic.toString()).build(); - return getTopic(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Gets the configuration of a topic. @@ -1131,35 +1079,6 @@ public final ListTopicSubscriptionsPagedResponse listTopicSubscriptions(String t return listTopicSubscriptions(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Lists the names of the subscriptions on this topic. - * - *

        Sample code: - * - * 

        
-   * try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
-   *   ProjectTopicName topic = ProjectTopicName.of("[PROJECT]", "[TOPIC]");
-   *   for (ProjectSubscriptionName element : topicAdminClient.listTopicSubscriptions(topic).iterateAllAsProjectSubscriptionName()) {
-   *     // doThingsWith(element);
-   *   }
-   * }
-   *
        - * - * @param topic Required. The name of the topic that subscriptions are attached to. Format is - * `projects/{project}/topics/{topic}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #listTopicSubscriptions(TopicName)} instead. - */ - @Deprecated - public final ListTopicSubscriptionsPagedResponse listTopicSubscriptions(ProjectTopicName topic) { - ListTopicSubscriptionsRequest request = - ListTopicSubscriptionsRequest.newBuilder() - .setTopic(topic == null ? null : topic.toString()) - .build(); - return listTopicSubscriptions(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Lists the names of the attached subscriptions on this topic. @@ -1510,34 +1429,6 @@ public final void deleteTopic(String topic) { deleteTopic(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Deletes the topic with the given name. Returns `NOT_FOUND` if the topic does not exist. After a - * topic is deleted, a new topic may be created with the same name; this is an entirely new topic - * with none of the old configuration or subscriptions. Existing subscriptions to this topic are - * not deleted, but their `topic` field is set to `_deleted-topic_`. - * - *

        Sample code: - * - * 

        
-   * try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
-   *   ProjectTopicName topic = ProjectTopicName.of("[PROJECT]", "[TOPIC]");
-   *   topicAdminClient.deleteTopic(topic);
-   * }
-   *
        - * - * @param topic Required. Name of the topic to delete. Format is - * `projects/{project}/topics/{topic}`. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #deleteTopic(TopicName)} instead. - */ - @Deprecated - public final void deleteTopic(ProjectTopicName topic) { - DeleteTopicRequest request = - DeleteTopicRequest.newBuilder().setTopic(topic == null ? null : topic.toString()).build(); - deleteTopic(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Deletes the topic with the given name. Returns `NOT_FOUND` if the topic does not exist. After a @@ -1692,37 +1583,6 @@ public final Policy setIamPolicy(SetIamPolicyRequest request) { return setIamPolicyCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Sets the access control policy on the specified resource. Replaces any existing policy. - * - *

        Can return Public Errors: NOT_FOUND, INVALID_ARGUMENT and PERMISSION_DENIED - * - *

        Sample code: - * - * 

        
-   * try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
-   *   String formattedResource = ProjectTopicName.format("[PROJECT]", "[TOPIC]");
-   *   Policy policy = Policy.newBuilder().build();
-   *   Policy response = topicAdminClient.setIamPolicy(formattedResource, policy);
-   * }
-   *
        - * - * @param resource REQUIRED: The resource for which the policy is being specified. See the - * operation documentation for the appropriate value for this field. - * @param policy REQUIRED: The complete policy to be applied to the `resource`. The size of the - * policy is limited to a few 10s of KB. An empty policy is a valid policy but certain Cloud - * Platform services (such as Projects) might reject them. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #setIamPolicy(SetIamPolicyRequest)} instead. - */ - @Deprecated - public final Policy setIamPolicy(String resource, Policy policy) { - SetIamPolicyRequest request = - SetIamPolicyRequest.newBuilder().setResource(resource).setPolicy(policy).build(); - return setIamPolicy(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Sets the access control policy on the specified resource. Replacesany existing policy. @@ -1784,31 +1644,6 @@ public final Policy getIamPolicy(GetIamPolicyRequest request) { return getIamPolicyCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Gets the access control policy for a resource. Returns an empty policy if the resource exists - * and does not have a policy set. - * - *

        Sample code: - * - * 

        
-   * try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
-   *   String formattedResource = ProjectTopicName.format("[PROJECT]", "[TOPIC]");
-   *   Policy response = topicAdminClient.getIamPolicy(formattedResource);
-   * }
-   *
        - * - * @param resource REQUIRED: The resource for which the policy is being requested. See the - * operation documentation for the appropriate value for this field. - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #getIamPolicy(GetIamPolicyRequest)} instead. - */ - @Deprecated - public final Policy getIamPolicy(String resource) { - GetIamPolicyRequest request = GetIamPolicyRequest.newBuilder().setResource(resource).build(); - return getIamPolicy(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Gets the access control policy for a resource. Returns an empty policyif the resource exists @@ -1872,44 +1707,6 @@ public final TestIamPermissionsResponse testIamPermissions(TestIamPermissionsReq return testIamPermissionsCallable().call(request); } - // AUTO-GENERATED DOCUMENTATION AND METHOD - /** - * Returns permissions that a caller has on the specified resource. If the resource does not - * exist, this will return an empty set of permissions, not a NOT_FOUND error. - * - *

        Note: This operation is designed to be used for building permission-aware UIs and - * command-line tools, not for authorization checking. This operation may "fail open" without - * warning. - * - *

        Sample code: - * - * 

        
-   * try (TopicAdminClient topicAdminClient = TopicAdminClient.create()) {
-   *   String formattedResource = ProjectTopicName.format("[PROJECT]", "[TOPIC]");
-   *   List<String> permissions = new ArrayList<>();
-   *   TestIamPermissionsResponse response = topicAdminClient.testIamPermissions(formattedResource, permissions);
-   * }
-   *
        - * - * @param resource REQUIRED: The resource for which the policy detail is being requested. See the - * operation documentation for the appropriate value for this field. - * @param permissions The set of permissions to check for the `resource`. Permissions with - * wildcards (such as '*' or 'storage.*') are not allowed. For more information see - * [IAM Overview](https://cloud.google.com/iam/docs/overview#permissions). - * @throws com.google.api.gax.rpc.ApiException if the remote call fails - * @deprecated Use {@link #testIamPermissions(TestIamPermissionsRequest)} instead. - */ - @Deprecated - public final TestIamPermissionsResponse testIamPermissions( - String resource, List permissions) { - TestIamPermissionsRequest request = - TestIamPermissionsRequest.newBuilder() - .setResource(resource) - .addAllPermissions(permissions) - .build(); - return testIamPermissions(request); - } - // AUTO-GENERATED DOCUMENTATION AND METHOD. /** * Returns permissions that a caller has on the specified resource. If theresource does not exist, diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminSettings.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminSettings.java similarity index 99% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminSettings.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminSettings.java index 9dd62bda3..ae7f6fd4a 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminSettings.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/TopicAdminSettings.java @@ -31,6 +31,7 @@ import com.google.api.gax.rpc.ClientContext; import com.google.api.gax.rpc.ClientSettings; import com.google.api.gax.rpc.PagedCallSettings; +import com.google.api.gax.rpc.StubSettings; import com.google.api.gax.rpc.TransportChannelProvider; import com.google.api.gax.rpc.UnaryCallSettings; import com.google.cloud.pubsub.v1.stub.PublisherStubSettings; diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/gapic_metadata.json b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/gapic_metadata.json similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/gapic_metadata.json rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/gapic_metadata.json diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/package-info.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/package-info.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/package-info.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/package-info.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherCallableFactory.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherCallableFactory.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherCallableFactory.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherCallableFactory.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherStub.java similarity index 99% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherStub.java index d4c26515d..6a9446b17 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherStub.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcPublisherStub.java @@ -51,6 +51,7 @@ import io.grpc.MethodDescriptor; import io.grpc.protobuf.ProtoUtils; import java.io.IOException; +import java.util.Map; import java.util.concurrent.TimeUnit; import javax.annotation.Generated; diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceCallableFactory.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceCallableFactory.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceCallableFactory.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceCallableFactory.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceStub.java similarity index 99% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceStub.java index cbaf6a608..35929c01f 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceStub.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSchemaServiceStub.java @@ -51,6 +51,7 @@ import io.grpc.MethodDescriptor; import io.grpc.protobuf.ProtoUtils; import java.io.IOException; +import java.util.Map; import java.util.concurrent.TimeUnit; import javax.annotation.Generated; diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberCallableFactory.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberCallableFactory.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberCallableFactory.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberCallableFactory.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberStub.java similarity index 99% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberStub.java index b3651167c..ba79536cb 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberStub.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/GrpcSubscriberStub.java @@ -59,6 +59,7 @@ import io.grpc.MethodDescriptor; import io.grpc.protobuf.ProtoUtils; import java.io.IOException; +import java.util.Map; import java.util.concurrent.TimeUnit; import javax.annotation.Generated; diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherCallableFactory.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherCallableFactory.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherCallableFactory.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherCallableFactory.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherStub.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonPublisherStub.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceCallableFactory.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceCallableFactory.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceCallableFactory.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceCallableFactory.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceStub.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSchemaServiceStub.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberCallableFactory.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberCallableFactory.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberCallableFactory.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberCallableFactory.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberStub.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/HttpJsonSubscriberStub.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStub.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStub.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/PublisherStubSettings.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStub.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStub.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SchemaServiceStubSettings.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStub.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStub.java similarity index 100% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStub.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStub.java diff --git a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java similarity index 99% rename from google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java index 93122a831..15c9ec57e 100644 --- a/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java +++ b/owl-bot-staging/v1/google-cloud-pubsub/src/main/java/com/google/cloud/pubsub/v1/stub/SubscriberStubSettings.java @@ -429,7 +429,8 @@ public static GoogleCredentialsProvider.Builder defaultCredentialsProviderBuilde /** Returns a builder for the default gRPC ChannelProvider for this service. */ public static InstantiatingGrpcChannelProvider.Builder defaultGrpcTransportProviderBuilder() { - return InstantiatingGrpcChannelProvider.newBuilder().setMaxInboundMessageSize(20 << 20); + return InstantiatingGrpcChannelProvider.newBuilder() + .setMaxInboundMessageSize(Integer.MAX_VALUE); } /** Returns a builder for the default REST ChannelProvider for this service. */ diff --git a/google-cloud-pubsub/src/main/resources/META-INF/native-image/com.google.cloud.pubsub.v1/reflect-config.json b/owl-bot-staging/v1/google-cloud-pubsub/src/main/resources/META-INF/native-image/com.google.cloud.pubsub.v1/reflect-config.json similarity index 100% rename from google-cloud-pubsub/src/main/resources/META-INF/native-image/com.google.cloud.pubsub.v1/reflect-config.json rename to owl-bot-staging/v1/google-cloud-pubsub/src/main/resources/META-INF/native-image/com.google.cloud.pubsub.v1/reflect-config.json diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicy.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicy.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicy.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicy.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicyImpl.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicyImpl.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicyImpl.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockIAMPolicyImpl.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockPublisher.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockPublisher.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockPublisher.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockPublisher.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockPublisherImpl.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockPublisherImpl.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockPublisherImpl.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockPublisherImpl.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSchemaService.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSchemaService.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSchemaService.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSchemaService.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSchemaServiceImpl.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSchemaServiceImpl.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSchemaServiceImpl.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSchemaServiceImpl.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSubscriber.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSubscriber.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSubscriber.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSubscriber.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSubscriberImpl.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSubscriberImpl.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSubscriberImpl.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/MockSubscriberImpl.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientHttpJsonTest.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientHttpJsonTest.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientHttpJsonTest.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientHttpJsonTest.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientTest.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientTest.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientTest.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SchemaServiceClientTest.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientHttpJsonTest.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientHttpJsonTest.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientHttpJsonTest.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientHttpJsonTest.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientTest.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientTest.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientTest.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/SubscriptionAdminClientTest.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientHttpJsonTest.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientHttpJsonTest.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientHttpJsonTest.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientHttpJsonTest.java diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientTest.java b/owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientTest.java similarity index 100% rename from google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientTest.java rename to owl-bot-staging/v1/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/TopicAdminClientTest.java diff --git a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java b/owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java similarity index 50% rename from grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java rename to owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java index a825c484e..064ea1df0 100644 --- a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java +++ b/owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublisherGrpc.java @@ -1,25 +1,8 @@ -/* - * Copyright 2024 Google LLC - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * https://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ package com.google.pubsub.v1; import static io.grpc.MethodDescriptor.generateFullMethodName; /** - * - * * 
          * The service that an application uses to manipulate topics, and to send
  * messages to a topic.
@@ -36,423 +19,330 @@ private PublisherGrpc() {}
   public static final java.lang.String SERVICE_NAME = "google.pubsub.v1.Publisher";
 
   // Static method descriptors that strictly reflect the proto.
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.Topic, com.google.pubsub.v1.Topic>
-      getCreateTopicMethod;
+  private static volatile io.grpc.MethodDescriptor getCreateTopicMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "CreateTopic",
       requestType = com.google.pubsub.v1.Topic.class,
       responseType = com.google.pubsub.v1.Topic.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor
-      getCreateTopicMethod() {
-    io.grpc.MethodDescriptor
-        getCreateTopicMethod;
+  public static io.grpc.MethodDescriptor getCreateTopicMethod() {
+    io.grpc.MethodDescriptor getCreateTopicMethod;
     if ((getCreateTopicMethod = PublisherGrpc.getCreateTopicMethod) == null) {
       synchronized (PublisherGrpc.class) {
         if ((getCreateTopicMethod = PublisherGrpc.getCreateTopicMethod) == null) {
-          PublisherGrpc.getCreateTopicMethod =
-              getCreateTopicMethod =
-                  io.grpc.MethodDescriptor
-                      .newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateTopic"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Topic.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Topic.getDefaultInstance()))
-                      .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("CreateTopic"))
-                      .build();
+          PublisherGrpc.getCreateTopicMethod = getCreateTopicMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateTopic"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Topic.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Topic.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("CreateTopic"))
+              .build();
         }
       }
     }
     return getCreateTopicMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.UpdateTopicRequest, com.google.pubsub.v1.Topic>
-      getUpdateTopicMethod;
+  private static volatile io.grpc.MethodDescriptor getUpdateTopicMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "UpdateTopic",
       requestType = com.google.pubsub.v1.UpdateTopicRequest.class,
       responseType = com.google.pubsub.v1.Topic.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.UpdateTopicRequest, com.google.pubsub.v1.Topic>
-      getUpdateTopicMethod() {
-    io.grpc.MethodDescriptor
-        getUpdateTopicMethod;
+  public static io.grpc.MethodDescriptor getUpdateTopicMethod() {
+    io.grpc.MethodDescriptor getUpdateTopicMethod;
     if ((getUpdateTopicMethod = PublisherGrpc.getUpdateTopicMethod) == null) {
       synchronized (PublisherGrpc.class) {
         if ((getUpdateTopicMethod = PublisherGrpc.getUpdateTopicMethod) == null) {
-          PublisherGrpc.getUpdateTopicMethod =
-              getUpdateTopicMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateTopic"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.UpdateTopicRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Topic.getDefaultInstance()))
-                      .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("UpdateTopic"))
-                      .build();
+          PublisherGrpc.getUpdateTopicMethod = getUpdateTopicMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateTopic"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.UpdateTopicRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Topic.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("UpdateTopic"))
+              .build();
         }
       }
     }
     return getUpdateTopicMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.PublishRequest, com.google.pubsub.v1.PublishResponse>
-      getPublishMethod;
+  private static volatile io.grpc.MethodDescriptor getPublishMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "Publish",
       requestType = com.google.pubsub.v1.PublishRequest.class,
       responseType = com.google.pubsub.v1.PublishResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.PublishRequest, com.google.pubsub.v1.PublishResponse>
-      getPublishMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.PublishRequest, com.google.pubsub.v1.PublishResponse>
-        getPublishMethod;
+  public static io.grpc.MethodDescriptor getPublishMethod() {
+    io.grpc.MethodDescriptor getPublishMethod;
     if ((getPublishMethod = PublisherGrpc.getPublishMethod) == null) {
       synchronized (PublisherGrpc.class) {
         if ((getPublishMethod = PublisherGrpc.getPublishMethod) == null) {
-          PublisherGrpc.getPublishMethod =
-              getPublishMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "Publish"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.PublishRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.PublishResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("Publish"))
-                      .build();
+          PublisherGrpc.getPublishMethod = getPublishMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "Publish"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.PublishRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.PublishResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("Publish"))
+              .build();
         }
       }
     }
     return getPublishMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.GetTopicRequest, com.google.pubsub.v1.Topic>
-      getGetTopicMethod;
+  private static volatile io.grpc.MethodDescriptor getGetTopicMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "GetTopic",
       requestType = com.google.pubsub.v1.GetTopicRequest.class,
       responseType = com.google.pubsub.v1.Topic.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.GetTopicRequest, com.google.pubsub.v1.Topic>
-      getGetTopicMethod() {
-    io.grpc.MethodDescriptor
-        getGetTopicMethod;
+  public static io.grpc.MethodDescriptor getGetTopicMethod() {
+    io.grpc.MethodDescriptor getGetTopicMethod;
     if ((getGetTopicMethod = PublisherGrpc.getGetTopicMethod) == null) {
       synchronized (PublisherGrpc.class) {
         if ((getGetTopicMethod = PublisherGrpc.getGetTopicMethod) == null) {
-          PublisherGrpc.getGetTopicMethod =
-              getGetTopicMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "GetTopic"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.GetTopicRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Topic.getDefaultInstance()))
-                      .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("GetTopic"))
-                      .build();
+          PublisherGrpc.getGetTopicMethod = getGetTopicMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "GetTopic"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.GetTopicRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Topic.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("GetTopic"))
+              .build();
         }
       }
     }
     return getGetTopicMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListTopicsRequest, com.google.pubsub.v1.ListTopicsResponse>
-      getListTopicsMethod;
+  private static volatile io.grpc.MethodDescriptor getListTopicsMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "ListTopics",
       requestType = com.google.pubsub.v1.ListTopicsRequest.class,
       responseType = com.google.pubsub.v1.ListTopicsResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListTopicsRequest, com.google.pubsub.v1.ListTopicsResponse>
-      getListTopicsMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.ListTopicsRequest, com.google.pubsub.v1.ListTopicsResponse>
-        getListTopicsMethod;
+  public static io.grpc.MethodDescriptor getListTopicsMethod() {
+    io.grpc.MethodDescriptor getListTopicsMethod;
     if ((getListTopicsMethod = PublisherGrpc.getListTopicsMethod) == null) {
       synchronized (PublisherGrpc.class) {
         if ((getListTopicsMethod = PublisherGrpc.getListTopicsMethod) == null) {
-          PublisherGrpc.getListTopicsMethod =
-              getListTopicsMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListTopics"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListTopicsRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListTopicsResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("ListTopics"))
-                      .build();
+          PublisherGrpc.getListTopicsMethod = getListTopicsMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListTopics"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListTopicsRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListTopicsResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("ListTopics"))
+              .build();
         }
       }
     }
     return getListTopicsMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListTopicSubscriptionsRequest,
-          com.google.pubsub.v1.ListTopicSubscriptionsResponse>
-      getListTopicSubscriptionsMethod;
+  private static volatile io.grpc.MethodDescriptor getListTopicSubscriptionsMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "ListTopicSubscriptions",
       requestType = com.google.pubsub.v1.ListTopicSubscriptionsRequest.class,
       responseType = com.google.pubsub.v1.ListTopicSubscriptionsResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListTopicSubscriptionsRequest,
-          com.google.pubsub.v1.ListTopicSubscriptionsResponse>
-      getListTopicSubscriptionsMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.ListTopicSubscriptionsRequest,
-            com.google.pubsub.v1.ListTopicSubscriptionsResponse>
-        getListTopicSubscriptionsMethod;
+  public static io.grpc.MethodDescriptor getListTopicSubscriptionsMethod() {
+    io.grpc.MethodDescriptor getListTopicSubscriptionsMethod;
     if ((getListTopicSubscriptionsMethod = PublisherGrpc.getListTopicSubscriptionsMethod) == null) {
       synchronized (PublisherGrpc.class) {
-        if ((getListTopicSubscriptionsMethod = PublisherGrpc.getListTopicSubscriptionsMethod)
-            == null) {
-          PublisherGrpc.getListTopicSubscriptionsMethod =
-              getListTopicSubscriptionsMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(
-                          generateFullMethodName(SERVICE_NAME, "ListTopicSubscriptions"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListTopicSubscriptionsRequest
-                                  .getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListTopicSubscriptionsResponse
-                                  .getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new PublisherMethodDescriptorSupplier("ListTopicSubscriptions"))
-                      .build();
+        if ((getListTopicSubscriptionsMethod = PublisherGrpc.getListTopicSubscriptionsMethod) == null) {
+          PublisherGrpc.getListTopicSubscriptionsMethod = getListTopicSubscriptionsMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListTopicSubscriptions"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListTopicSubscriptionsRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListTopicSubscriptionsResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("ListTopicSubscriptions"))
+              .build();
         }
       }
     }
     return getListTopicSubscriptionsMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListTopicSnapshotsRequest,
-          com.google.pubsub.v1.ListTopicSnapshotsResponse>
-      getListTopicSnapshotsMethod;
+  private static volatile io.grpc.MethodDescriptor getListTopicSnapshotsMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "ListTopicSnapshots",
       requestType = com.google.pubsub.v1.ListTopicSnapshotsRequest.class,
       responseType = com.google.pubsub.v1.ListTopicSnapshotsResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListTopicSnapshotsRequest,
-          com.google.pubsub.v1.ListTopicSnapshotsResponse>
-      getListTopicSnapshotsMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.ListTopicSnapshotsRequest,
-            com.google.pubsub.v1.ListTopicSnapshotsResponse>
-        getListTopicSnapshotsMethod;
+  public static io.grpc.MethodDescriptor getListTopicSnapshotsMethod() {
+    io.grpc.MethodDescriptor getListTopicSnapshotsMethod;
     if ((getListTopicSnapshotsMethod = PublisherGrpc.getListTopicSnapshotsMethod) == null) {
       synchronized (PublisherGrpc.class) {
         if ((getListTopicSnapshotsMethod = PublisherGrpc.getListTopicSnapshotsMethod) == null) {
-          PublisherGrpc.getListTopicSnapshotsMethod =
-              getListTopicSnapshotsMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListTopicSnapshots"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListTopicSnapshotsRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListTopicSnapshotsResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new PublisherMethodDescriptorSupplier("ListTopicSnapshots"))
-                      .build();
+          PublisherGrpc.getListTopicSnapshotsMethod = getListTopicSnapshotsMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListTopicSnapshots"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListTopicSnapshotsRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListTopicSnapshotsResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("ListTopicSnapshots"))
+              .build();
         }
       }
     }
     return getListTopicSnapshotsMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.DeleteTopicRequest, com.google.protobuf.Empty>
-      getDeleteTopicMethod;
+  private static volatile io.grpc.MethodDescriptor getDeleteTopicMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "DeleteTopic",
       requestType = com.google.pubsub.v1.DeleteTopicRequest.class,
       responseType = com.google.protobuf.Empty.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.DeleteTopicRequest, com.google.protobuf.Empty>
-      getDeleteTopicMethod() {
-    io.grpc.MethodDescriptor
-        getDeleteTopicMethod;
+  public static io.grpc.MethodDescriptor getDeleteTopicMethod() {
+    io.grpc.MethodDescriptor getDeleteTopicMethod;
     if ((getDeleteTopicMethod = PublisherGrpc.getDeleteTopicMethod) == null) {
       synchronized (PublisherGrpc.class) {
         if ((getDeleteTopicMethod = PublisherGrpc.getDeleteTopicMethod) == null) {
-          PublisherGrpc.getDeleteTopicMethod =
-              getDeleteTopicMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteTopic"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.DeleteTopicRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.protobuf.Empty.getDefaultInstance()))
-                      .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("DeleteTopic"))
-                      .build();
+          PublisherGrpc.getDeleteTopicMethod = getDeleteTopicMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteTopic"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.DeleteTopicRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.protobuf.Empty.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("DeleteTopic"))
+              .build();
         }
       }
     }
     return getDeleteTopicMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.DetachSubscriptionRequest,
-          com.google.pubsub.v1.DetachSubscriptionResponse>
-      getDetachSubscriptionMethod;
+  private static volatile io.grpc.MethodDescriptor getDetachSubscriptionMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "DetachSubscription",
       requestType = com.google.pubsub.v1.DetachSubscriptionRequest.class,
       responseType = com.google.pubsub.v1.DetachSubscriptionResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.DetachSubscriptionRequest,
-          com.google.pubsub.v1.DetachSubscriptionResponse>
-      getDetachSubscriptionMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.DetachSubscriptionRequest,
-            com.google.pubsub.v1.DetachSubscriptionResponse>
-        getDetachSubscriptionMethod;
+  public static io.grpc.MethodDescriptor getDetachSubscriptionMethod() {
+    io.grpc.MethodDescriptor getDetachSubscriptionMethod;
     if ((getDetachSubscriptionMethod = PublisherGrpc.getDetachSubscriptionMethod) == null) {
       synchronized (PublisherGrpc.class) {
         if ((getDetachSubscriptionMethod = PublisherGrpc.getDetachSubscriptionMethod) == null) {
-          PublisherGrpc.getDetachSubscriptionMethod =
-              getDetachSubscriptionMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DetachSubscription"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.DetachSubscriptionRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.DetachSubscriptionResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new PublisherMethodDescriptorSupplier("DetachSubscription"))
-                      .build();
+          PublisherGrpc.getDetachSubscriptionMethod = getDetachSubscriptionMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DetachSubscription"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.DetachSubscriptionRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.DetachSubscriptionResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new PublisherMethodDescriptorSupplier("DetachSubscription"))
+              .build();
         }
       }
     }
     return getDetachSubscriptionMethod;
   }
 
-  /** Creates a new async stub that supports all call types for the service */
+  /**
+   * Creates a new async stub that supports all call types for the service
+   */
   public static PublisherStub newStub(io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory factory =
-        new io.grpc.stub.AbstractStub.StubFactory() {
-          @java.lang.Override
-          public PublisherStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
-            return new PublisherStub(channel, callOptions);
-          }
-        };
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public PublisherStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new PublisherStub(channel, callOptions);
+        }
+      };
     return PublisherStub.newStub(factory, channel);
   }
 
   /**
    * Creates a new blocking-style stub that supports unary and streaming output calls on the service
    */
-  public static PublisherBlockingStub newBlockingStub(io.grpc.Channel channel) {
+  public static PublisherBlockingStub newBlockingStub(
+      io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory factory =
-        new io.grpc.stub.AbstractStub.StubFactory() {
-          @java.lang.Override
-          public PublisherBlockingStub newStub(
-              io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
-            return new PublisherBlockingStub(channel, callOptions);
-          }
-        };
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public PublisherBlockingStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new PublisherBlockingStub(channel, callOptions);
+        }
+      };
     return PublisherBlockingStub.newStub(factory, channel);
   }
 
-  /** Creates a new ListenableFuture-style stub that supports unary calls on the service */
-  public static PublisherFutureStub newFutureStub(io.grpc.Channel channel) {
+  /**
+   * Creates a new ListenableFuture-style stub that supports unary calls on the service
+   */
+  public static PublisherFutureStub newFutureStub(
+      io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory factory =
-        new io.grpc.stub.AbstractStub.StubFactory() {
-          @java.lang.Override
-          public PublisherFutureStub newStub(
-              io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
-            return new PublisherFutureStub(channel, callOptions);
-          }
-        };
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public PublisherFutureStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new PublisherFutureStub(channel, callOptions);
+        }
+      };
     return PublisherFutureStub.newStub(factory, channel);
   }
 
   /**
-   *
-   *
    * 
            * The service that an application uses to manipulate topics, and to send
    * messages to a topic.
@@ -461,93 +351,69 @@ public PublisherFutureStub newStub(
   public interface AsyncService {
 
     /**
-     *
-     *
      * 
              * Creates the given topic with the given name. See the [resource name rules]
      * (https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names).
      * 
        
      */
-    default void createTopic(
-        com.google.pubsub.v1.Topic request,
+    default void createTopic(com.google.pubsub.v1.Topic request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getCreateTopicMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getCreateTopicMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing topic. Note that certain properties of a
-     * topic are not modifiable.
+     * Updates an existing topic by updating the fields specified in the update
+     * mask. Note that certain properties of a topic are not modifiable.
      * 
        
      */
-    default void updateTopic(
-        com.google.pubsub.v1.UpdateTopicRequest request,
+    default void updateTopic(com.google.pubsub.v1.UpdateTopicRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getUpdateTopicMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getUpdateTopicMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Adds one or more messages to the topic. Returns `NOT_FOUND` if the topic
      * does not exist.
      * 
        
      */
-    default void publish(
-        com.google.pubsub.v1.PublishRequest request,
+    default void publish(com.google.pubsub.v1.PublishRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getPublishMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration of a topic.
      * 
        
      */
-    default void getTopic(
-        com.google.pubsub.v1.GetTopicRequest request,
+    default void getTopic(com.google.pubsub.v1.GetTopicRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetTopicMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists matching topics.
      * 
        
      */
-    default void listTopics(
-        com.google.pubsub.v1.ListTopicsRequest request,
+    default void listTopics(com.google.pubsub.v1.ListTopicsRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getListTopicsMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists the names of the attached subscriptions on this topic.
      * 
        
      */
-    default void listTopicSubscriptions(
-        com.google.pubsub.v1.ListTopicSubscriptionsRequest request,
-        io.grpc.stub.StreamObserver
-            responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getListTopicSubscriptionsMethod(), responseObserver);
+    default void listTopicSubscriptions(com.google.pubsub.v1.ListTopicSubscriptionsRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getListTopicSubscriptionsMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists the names of the snapshots on this topic. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -556,17 +422,12 @@ default void listTopicSubscriptions(
      * state captured by a snapshot.
      * 
        
      */
-    default void listTopicSnapshots(
-        com.google.pubsub.v1.ListTopicSnapshotsRequest request,
-        io.grpc.stub.StreamObserver
-            responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getListTopicSnapshotsMethod(), responseObserver);
+    default void listTopicSnapshots(com.google.pubsub.v1.ListTopicSnapshotsRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getListTopicSnapshotsMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Deletes the topic with the given name. Returns `NOT_FOUND` if the topic
      * does not exist. After a topic is deleted, a new topic may be created with
@@ -575,16 +436,12 @@ default void listTopicSnapshots(
      * not deleted, but their `topic` field is set to `_deleted-topic_`.
      * 
        
      */
-    default void deleteTopic(
-        com.google.pubsub.v1.DeleteTopicRequest request,
+    default void deleteTopic(com.google.pubsub.v1.DeleteTopicRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getDeleteTopicMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getDeleteTopicMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Detaches a subscription from this topic. All messages retained in the
      * subscription are dropped. Subsequent `Pull` and `StreamingPull` requests
@@ -592,146 +449,117 @@ default void deleteTopic(
      * subscription, pushes to the endpoint will stop.
      * 
        
      */
-    default void detachSubscription(
-        com.google.pubsub.v1.DetachSubscriptionRequest request,
-        io.grpc.stub.StreamObserver
-            responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getDetachSubscriptionMethod(), responseObserver);
+    default void detachSubscription(com.google.pubsub.v1.DetachSubscriptionRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getDetachSubscriptionMethod(), responseObserver);
     }
   }
 
   /**
    * Base class for the server implementation of the service Publisher.
-   *
    * 
            * The service that an application uses to manipulate topics, and to send
    * messages to a topic.
    * 
        
    */
-  public abstract static class PublisherImplBase implements io.grpc.BindableService, AsyncService {
+  public static abstract class PublisherImplBase
+      implements io.grpc.BindableService, AsyncService {
 
-    @java.lang.Override
-    public final io.grpc.ServerServiceDefinition bindService() {
+    @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
       return PublisherGrpc.bindService(this);
     }
   }
 
   /**
    * A stub to allow clients to do asynchronous rpc calls to service Publisher.
-   *
    * 
            * The service that an application uses to manipulate topics, and to send
    * messages to a topic.
    * 
        
    */
-  public static final class PublisherStub extends io.grpc.stub.AbstractAsyncStub {
-    private PublisherStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+  public static final class PublisherStub
+      extends io.grpc.stub.AbstractAsyncStub {
+    private PublisherStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       super(channel, callOptions);
     }
 
     @java.lang.Override
-    protected PublisherStub build(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+    protected PublisherStub build(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       return new PublisherStub(channel, callOptions);
     }
 
     /**
-     *
-     *
      * 
              * Creates the given topic with the given name. See the [resource name rules]
      * (https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names).
      * 
        
      */
-    public void createTopic(
-        com.google.pubsub.v1.Topic request,
+    public void createTopic(com.google.pubsub.v1.Topic request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getCreateTopicMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getCreateTopicMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing topic. Note that certain properties of a
-     * topic are not modifiable.
+     * Updates an existing topic by updating the fields specified in the update
+     * mask. Note that certain properties of a topic are not modifiable.
      * 
        
      */
-    public void updateTopic(
-        com.google.pubsub.v1.UpdateTopicRequest request,
+    public void updateTopic(com.google.pubsub.v1.UpdateTopicRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getUpdateTopicMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getUpdateTopicMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Adds one or more messages to the topic. Returns `NOT_FOUND` if the topic
      * does not exist.
      * 
        
      */
-    public void publish(
-        com.google.pubsub.v1.PublishRequest request,
+    public void publish(com.google.pubsub.v1.PublishRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getPublishMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration of a topic.
      * 
        
      */
-    public void getTopic(
-        com.google.pubsub.v1.GetTopicRequest request,
+    public void getTopic(com.google.pubsub.v1.GetTopicRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getGetTopicMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists matching topics.
      * 
        
      */
-    public void listTopics(
-        com.google.pubsub.v1.ListTopicsRequest request,
+    public void listTopics(com.google.pubsub.v1.ListTopicsRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getListTopicsMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists the names of the attached subscriptions on this topic.
      * 
        
      */
-    public void listTopicSubscriptions(
-        com.google.pubsub.v1.ListTopicSubscriptionsRequest request,
-        io.grpc.stub.StreamObserver
-            responseObserver) {
+    public void listTopicSubscriptions(com.google.pubsub.v1.ListTopicSubscriptionsRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getListTopicSubscriptionsMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getListTopicSubscriptionsMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists the names of the snapshots on this topic. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -740,19 +568,13 @@ public void listTopicSubscriptions(
      * state captured by a snapshot.
      * 
        
      */
-    public void listTopicSnapshots(
-        com.google.pubsub.v1.ListTopicSnapshotsRequest request,
-        io.grpc.stub.StreamObserver
-            responseObserver) {
+    public void listTopicSnapshots(com.google.pubsub.v1.ListTopicSnapshotsRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getListTopicSnapshotsMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getListTopicSnapshotsMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Deletes the topic with the given name. Returns `NOT_FOUND` if the topic
      * does not exist. After a topic is deleted, a new topic may be created with
@@ -761,18 +583,13 @@ public void listTopicSnapshots(
      * not deleted, but their `topic` field is set to `_deleted-topic_`.
      * 
        
      */
-    public void deleteTopic(
-        com.google.pubsub.v1.DeleteTopicRequest request,
+    public void deleteTopic(com.google.pubsub.v1.DeleteTopicRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getDeleteTopicMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getDeleteTopicMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Detaches a subscription from this topic. All messages retained in the
      * subscription are dropped. Subsequent `Pull` and `StreamingPull` requests
@@ -780,20 +597,15 @@ public void deleteTopic(
      * subscription, pushes to the endpoint will stop.
      * 
        
      */
-    public void detachSubscription(
-        com.google.pubsub.v1.DetachSubscriptionRequest request,
-        io.grpc.stub.StreamObserver
-            responseObserver) {
+    public void detachSubscription(com.google.pubsub.v1.DetachSubscriptionRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getDetachSubscriptionMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getDetachSubscriptionMethod(), getCallOptions()), request, responseObserver);
     }
   }
 
   /**
    * A stub to allow clients to do synchronous rpc calls to service Publisher.
-   *
    * 
            * The service that an application uses to manipulate topics, and to send
    * messages to a topic.
@@ -801,7 +613,8 @@ public void detachSubscription(
    */
   public static final class PublisherBlockingStub
       extends io.grpc.stub.AbstractBlockingStub {
-    private PublisherBlockingStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+    private PublisherBlockingStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       super(channel, callOptions);
     }
 
@@ -812,8 +625,6 @@ protected PublisherBlockingStub build(
     }
 
     /**
-     *
-     *
      * 
              * Creates the given topic with the given name. See the [resource name rules]
      * (https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names).
@@ -825,11 +636,9 @@ public com.google.pubsub.v1.Topic createTopic(com.google.pubsub.v1.Topic request
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing topic. Note that certain properties of a
-     * topic are not modifiable.
+     * Updates an existing topic by updating the fields specified in the update
+     * mask. Note that certain properties of a topic are not modifiable.
      * 
        
      */
     public com.google.pubsub.v1.Topic updateTopic(com.google.pubsub.v1.UpdateTopicRequest request) {
@@ -838,22 +647,17 @@ public com.google.pubsub.v1.Topic updateTopic(com.google.pubsub.v1.UpdateTopicRe
     }
 
     /**
-     *
-     *
      * 
              * Adds one or more messages to the topic. Returns `NOT_FOUND` if the topic
      * does not exist.
      * 
        
      */
-    public com.google.pubsub.v1.PublishResponse publish(
-        com.google.pubsub.v1.PublishRequest request) {
+    public com.google.pubsub.v1.PublishResponse publish(com.google.pubsub.v1.PublishRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getPublishMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration of a topic.
      * 
        
@@ -864,34 +668,26 @@ public com.google.pubsub.v1.Topic getTopic(com.google.pubsub.v1.GetTopicRequest
     }
 
     /**
-     *
-     *
      * 
              * Lists matching topics.
      * 
        
      */
-    public com.google.pubsub.v1.ListTopicsResponse listTopics(
-        com.google.pubsub.v1.ListTopicsRequest request) {
+    public com.google.pubsub.v1.ListTopicsResponse listTopics(com.google.pubsub.v1.ListTopicsRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getListTopicsMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Lists the names of the attached subscriptions on this topic.
      * 
        
      */
-    public com.google.pubsub.v1.ListTopicSubscriptionsResponse listTopicSubscriptions(
-        com.google.pubsub.v1.ListTopicSubscriptionsRequest request) {
+    public com.google.pubsub.v1.ListTopicSubscriptionsResponse listTopicSubscriptions(com.google.pubsub.v1.ListTopicSubscriptionsRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getListTopicSubscriptionsMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Lists the names of the snapshots on this topic. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -900,15 +696,12 @@ public com.google.pubsub.v1.ListTopicSubscriptionsResponse listTopicSubscription
      * state captured by a snapshot.
      * 
        
      */
-    public com.google.pubsub.v1.ListTopicSnapshotsResponse listTopicSnapshots(
-        com.google.pubsub.v1.ListTopicSnapshotsRequest request) {
+    public com.google.pubsub.v1.ListTopicSnapshotsResponse listTopicSnapshots(com.google.pubsub.v1.ListTopicSnapshotsRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getListTopicSnapshotsMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Deletes the topic with the given name. Returns `NOT_FOUND` if the topic
      * does not exist. After a topic is deleted, a new topic may be created with
@@ -923,8 +716,6 @@ public com.google.protobuf.Empty deleteTopic(com.google.pubsub.v1.DeleteTopicReq
     }
 
     /**
-     *
-     *
      * 
              * Detaches a subscription from this topic. All messages retained in the
      * subscription are dropped. Subsequent `Pull` and `StreamingPull` requests
@@ -932,8 +723,7 @@ public com.google.protobuf.Empty deleteTopic(com.google.pubsub.v1.DeleteTopicReq
      * subscription, pushes to the endpoint will stop.
      * 
        
      */
-    public com.google.pubsub.v1.DetachSubscriptionResponse detachSubscription(
-        com.google.pubsub.v1.DetachSubscriptionRequest request) {
+    public com.google.pubsub.v1.DetachSubscriptionResponse detachSubscription(com.google.pubsub.v1.DetachSubscriptionRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getDetachSubscriptionMethod(), getCallOptions(), request);
     }
@@ -941,7 +731,6 @@ public com.google.pubsub.v1.DetachSubscriptionResponse detachSubscription(
 
   /**
    * A stub to allow clients to do ListenableFuture-style rpc calls to service Publisher.
-   *
    * 
            * The service that an application uses to manipulate topics, and to send
    * messages to a topic.
@@ -949,60 +738,54 @@ public com.google.pubsub.v1.DetachSubscriptionResponse detachSubscription(
    */
   public static final class PublisherFutureStub
       extends io.grpc.stub.AbstractFutureStub {
-    private PublisherFutureStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+    private PublisherFutureStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       super(channel, callOptions);
     }
 
     @java.lang.Override
-    protected PublisherFutureStub build(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+    protected PublisherFutureStub build(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       return new PublisherFutureStub(channel, callOptions);
     }
 
     /**
-     *
-     *
      * 
              * Creates the given topic with the given name. See the [resource name rules]
      * (https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names).
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        createTopic(com.google.pubsub.v1.Topic request) {
+    public com.google.common.util.concurrent.ListenableFuture createTopic(
+        com.google.pubsub.v1.Topic request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getCreateTopicMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing topic. Note that certain properties of a
-     * topic are not modifiable.
+     * Updates an existing topic by updating the fields specified in the update
+     * mask. Note that certain properties of a topic are not modifiable.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        updateTopic(com.google.pubsub.v1.UpdateTopicRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture updateTopic(
+        com.google.pubsub.v1.UpdateTopicRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getUpdateTopicMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Adds one or more messages to the topic. Returns `NOT_FOUND` if the topic
      * does not exist.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        publish(com.google.pubsub.v1.PublishRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture publish(
+        com.google.pubsub.v1.PublishRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getPublishMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration of a topic.
      * 
        
@@ -1014,36 +797,28 @@ public com.google.common.util.concurrent.ListenableFuture
      * Lists matching topics.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture<
-            com.google.pubsub.v1.ListTopicsResponse>
-        listTopics(com.google.pubsub.v1.ListTopicsRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture listTopics(
+        com.google.pubsub.v1.ListTopicsRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getListTopicsMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Lists the names of the attached subscriptions on this topic.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture<
-            com.google.pubsub.v1.ListTopicSubscriptionsResponse>
-        listTopicSubscriptions(com.google.pubsub.v1.ListTopicSubscriptionsRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture listTopicSubscriptions(
+        com.google.pubsub.v1.ListTopicSubscriptionsRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getListTopicSubscriptionsMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Lists the names of the snapshots on this topic. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -1052,16 +827,13 @@ public com.google.common.util.concurrent.ListenableFuture
      */
-    public com.google.common.util.concurrent.ListenableFuture<
-            com.google.pubsub.v1.ListTopicSnapshotsResponse>
-        listTopicSnapshots(com.google.pubsub.v1.ListTopicSnapshotsRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture listTopicSnapshots(
+        com.google.pubsub.v1.ListTopicSnapshotsRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getListTopicSnapshotsMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Deletes the topic with the given name. Returns `NOT_FOUND` if the topic
      * does not exist. After a topic is deleted, a new topic may be created with
@@ -1070,15 +842,13 @@ public com.google.common.util.concurrent.ListenableFuture
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        deleteTopic(com.google.pubsub.v1.DeleteTopicRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture deleteTopic(
+        com.google.pubsub.v1.DeleteTopicRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getDeleteTopicMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Detaches a subscription from this topic. All messages retained in the
      * subscription are dropped. Subsequent `Pull` and `StreamingPull` requests
@@ -1086,9 +856,8 @@ public com.google.common.util.concurrent.ListenableFuture
      */
-    public com.google.common.util.concurrent.ListenableFuture<
-            com.google.pubsub.v1.DetachSubscriptionResponse>
-        detachSubscription(com.google.pubsub.v1.DetachSubscriptionRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture detachSubscription(
+        com.google.pubsub.v1.DetachSubscriptionRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getDetachSubscriptionMethod(), getCallOptions()), request);
     }
@@ -1104,11 +873,11 @@ public com.google.common.util.concurrent.ListenableFuture
-      implements io.grpc.stub.ServerCalls.UnaryMethod,
-          io.grpc.stub.ServerCalls.ServerStreamingMethod,
-          io.grpc.stub.ServerCalls.ClientStreamingMethod,
-          io.grpc.stub.ServerCalls.BidiStreamingMethod {
+  private static final class MethodHandlers implements
+      io.grpc.stub.ServerCalls.UnaryMethod,
+      io.grpc.stub.ServerCalls.ServerStreamingMethod,
+      io.grpc.stub.ServerCalls.ClientStreamingMethod,
+      io.grpc.stub.ServerCalls.BidiStreamingMethod {
     private final AsyncService serviceImpl;
     private final int methodId;
 
@@ -1122,53 +891,40 @@ private static final class MethodHandlers
     public void invoke(Req request, io.grpc.stub.StreamObserver responseObserver) {
       switch (methodId) {
         case METHODID_CREATE_TOPIC:
-          serviceImpl.createTopic(
-              (com.google.pubsub.v1.Topic) request,
+          serviceImpl.createTopic((com.google.pubsub.v1.Topic) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_UPDATE_TOPIC:
-          serviceImpl.updateTopic(
-              (com.google.pubsub.v1.UpdateTopicRequest) request,
+          serviceImpl.updateTopic((com.google.pubsub.v1.UpdateTopicRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_PUBLISH:
-          serviceImpl.publish(
-              (com.google.pubsub.v1.PublishRequest) request,
+          serviceImpl.publish((com.google.pubsub.v1.PublishRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_GET_TOPIC:
-          serviceImpl.getTopic(
-              (com.google.pubsub.v1.GetTopicRequest) request,
+          serviceImpl.getTopic((com.google.pubsub.v1.GetTopicRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_LIST_TOPICS:
-          serviceImpl.listTopics(
-              (com.google.pubsub.v1.ListTopicsRequest) request,
-              (io.grpc.stub.StreamObserver)
-                  responseObserver);
+          serviceImpl.listTopics((com.google.pubsub.v1.ListTopicsRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_LIST_TOPIC_SUBSCRIPTIONS:
-          serviceImpl.listTopicSubscriptions(
-              (com.google.pubsub.v1.ListTopicSubscriptionsRequest) request,
-              (io.grpc.stub.StreamObserver)
-                  responseObserver);
+          serviceImpl.listTopicSubscriptions((com.google.pubsub.v1.ListTopicSubscriptionsRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_LIST_TOPIC_SNAPSHOTS:
-          serviceImpl.listTopicSnapshots(
-              (com.google.pubsub.v1.ListTopicSnapshotsRequest) request,
-              (io.grpc.stub.StreamObserver)
-                  responseObserver);
+          serviceImpl.listTopicSnapshots((com.google.pubsub.v1.ListTopicSnapshotsRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_DELETE_TOPIC:
-          serviceImpl.deleteTopic(
-              (com.google.pubsub.v1.DeleteTopicRequest) request,
+          serviceImpl.deleteTopic((com.google.pubsub.v1.DeleteTopicRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_DETACH_SUBSCRIPTION:
-          serviceImpl.detachSubscription(
-              (com.google.pubsub.v1.DetachSubscriptionRequest) request,
-              (io.grpc.stub.StreamObserver)
-                  responseObserver);
+          serviceImpl.detachSubscription((com.google.pubsub.v1.DetachSubscriptionRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
           break;
         default:
           throw new AssertionError();
@@ -1189,67 +945,73 @@ public io.grpc.stub.StreamObserver invoke(
   public static final io.grpc.ServerServiceDefinition bindService(AsyncService service) {
     return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
         .addMethod(
-            getCreateTopicMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers(
-                    service, METHODID_CREATE_TOPIC)))
+          getCreateTopicMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.Topic,
+              com.google.pubsub.v1.Topic>(
+                service, METHODID_CREATE_TOPIC)))
         .addMethod(
-            getUpdateTopicMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.UpdateTopicRequest, com.google.pubsub.v1.Topic>(
-                    service, METHODID_UPDATE_TOPIC)))
+          getUpdateTopicMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.UpdateTopicRequest,
+              com.google.pubsub.v1.Topic>(
+                service, METHODID_UPDATE_TOPIC)))
         .addMethod(
-            getPublishMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.PublishRequest, com.google.pubsub.v1.PublishResponse>(
-                    service, METHODID_PUBLISH)))
+          getPublishMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.PublishRequest,
+              com.google.pubsub.v1.PublishResponse>(
+                service, METHODID_PUBLISH)))
         .addMethod(
-            getGetTopicMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.GetTopicRequest, com.google.pubsub.v1.Topic>(
-                    service, METHODID_GET_TOPIC)))
+          getGetTopicMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.GetTopicRequest,
+              com.google.pubsub.v1.Topic>(
+                service, METHODID_GET_TOPIC)))
         .addMethod(
-            getListTopicsMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.ListTopicsRequest,
-                    com.google.pubsub.v1.ListTopicsResponse>(service, METHODID_LIST_TOPICS)))
+          getListTopicsMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ListTopicsRequest,
+              com.google.pubsub.v1.ListTopicsResponse>(
+                service, METHODID_LIST_TOPICS)))
         .addMethod(
-            getListTopicSubscriptionsMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.ListTopicSubscriptionsRequest,
-                    com.google.pubsub.v1.ListTopicSubscriptionsResponse>(
-                    service, METHODID_LIST_TOPIC_SUBSCRIPTIONS)))
+          getListTopicSubscriptionsMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ListTopicSubscriptionsRequest,
+              com.google.pubsub.v1.ListTopicSubscriptionsResponse>(
+                service, METHODID_LIST_TOPIC_SUBSCRIPTIONS)))
         .addMethod(
-            getListTopicSnapshotsMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.ListTopicSnapshotsRequest,
-                    com.google.pubsub.v1.ListTopicSnapshotsResponse>(
-                    service, METHODID_LIST_TOPIC_SNAPSHOTS)))
+          getListTopicSnapshotsMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ListTopicSnapshotsRequest,
+              com.google.pubsub.v1.ListTopicSnapshotsResponse>(
+                service, METHODID_LIST_TOPIC_SNAPSHOTS)))
         .addMethod(
-            getDeleteTopicMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.DeleteTopicRequest, com.google.protobuf.Empty>(
-                    service, METHODID_DELETE_TOPIC)))
+          getDeleteTopicMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.DeleteTopicRequest,
+              com.google.protobuf.Empty>(
+                service, METHODID_DELETE_TOPIC)))
         .addMethod(
-            getDetachSubscriptionMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.DetachSubscriptionRequest,
-                    com.google.pubsub.v1.DetachSubscriptionResponse>(
-                    service, METHODID_DETACH_SUBSCRIPTION)))
+          getDetachSubscriptionMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.DetachSubscriptionRequest,
+              com.google.pubsub.v1.DetachSubscriptionResponse>(
+                service, METHODID_DETACH_SUBSCRIPTION)))
         .build();
   }
 
-  private abstract static class PublisherBaseDescriptorSupplier
-      implements io.grpc.protobuf.ProtoFileDescriptorSupplier,
-          io.grpc.protobuf.ProtoServiceDescriptorSupplier {
+  private static abstract class PublisherBaseDescriptorSupplier
+      implements io.grpc.protobuf.ProtoFileDescriptorSupplier, io.grpc.protobuf.ProtoServiceDescriptorSupplier {
     PublisherBaseDescriptorSupplier() {}
 
     @java.lang.Override
@@ -1291,20 +1053,18 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
       synchronized (PublisherGrpc.class) {
         result = serviceDescriptor;
         if (result == null) {
-          serviceDescriptor =
-              result =
-                  io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
-                      .setSchemaDescriptor(new PublisherFileDescriptorSupplier())
-                      .addMethod(getCreateTopicMethod())
-                      .addMethod(getUpdateTopicMethod())
-                      .addMethod(getPublishMethod())
-                      .addMethod(getGetTopicMethod())
-                      .addMethod(getListTopicsMethod())
-                      .addMethod(getListTopicSubscriptionsMethod())
-                      .addMethod(getListTopicSnapshotsMethod())
-                      .addMethod(getDeleteTopicMethod())
-                      .addMethod(getDetachSubscriptionMethod())
-                      .build();
+          serviceDescriptor = result = io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
+              .setSchemaDescriptor(new PublisherFileDescriptorSupplier())
+              .addMethod(getCreateTopicMethod())
+              .addMethod(getUpdateTopicMethod())
+              .addMethod(getPublishMethod())
+              .addMethod(getGetTopicMethod())
+              .addMethod(getListTopicsMethod())
+              .addMethod(getListTopicSubscriptionsMethod())
+              .addMethod(getListTopicSnapshotsMethod())
+              .addMethod(getDeleteTopicMethod())
+              .addMethod(getDetachSubscriptionMethod())
+              .build();
         }
       }
     }
diff --git a/owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java b/owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java
new file mode 100644
index 000000000..331f67936
--- /dev/null
+++ b/owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaServiceGrpc.java
@@ -0,0 +1,1097 @@
+package com.google.pubsub.v1;
+
+import static io.grpc.MethodDescriptor.generateFullMethodName;
+
+/**
+ * 
        + * Service for doing schema-related operations.
+ * 
        
+ */
+@javax.annotation.Generated(
+    value = "by gRPC proto compiler",
+    comments = "Source: google/pubsub/v1/schema.proto")
+@io.grpc.stub.annotations.GrpcGenerated
+public final class SchemaServiceGrpc {
+
+  private SchemaServiceGrpc() {}
+
+  public static final java.lang.String SERVICE_NAME = "google.pubsub.v1.SchemaService";
+
+  // Static method descriptors that strictly reflect the proto.
+  private static volatile io.grpc.MethodDescriptor getCreateSchemaMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "CreateSchema",
+      requestType = com.google.pubsub.v1.CreateSchemaRequest.class,
+      responseType = com.google.pubsub.v1.Schema.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getCreateSchemaMethod() {
+    io.grpc.MethodDescriptor getCreateSchemaMethod;
+    if ((getCreateSchemaMethod = SchemaServiceGrpc.getCreateSchemaMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getCreateSchemaMethod = SchemaServiceGrpc.getCreateSchemaMethod) == null) {
+          SchemaServiceGrpc.getCreateSchemaMethod = getCreateSchemaMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateSchema"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.CreateSchemaRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Schema.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("CreateSchema"))
+              .build();
+        }
+      }
+    }
+    return getCreateSchemaMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getGetSchemaMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "GetSchema",
+      requestType = com.google.pubsub.v1.GetSchemaRequest.class,
+      responseType = com.google.pubsub.v1.Schema.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getGetSchemaMethod() {
+    io.grpc.MethodDescriptor getGetSchemaMethod;
+    if ((getGetSchemaMethod = SchemaServiceGrpc.getGetSchemaMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getGetSchemaMethod = SchemaServiceGrpc.getGetSchemaMethod) == null) {
+          SchemaServiceGrpc.getGetSchemaMethod = getGetSchemaMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "GetSchema"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.GetSchemaRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Schema.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("GetSchema"))
+              .build();
+        }
+      }
+    }
+    return getGetSchemaMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getListSchemasMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ListSchemas",
+      requestType = com.google.pubsub.v1.ListSchemasRequest.class,
+      responseType = com.google.pubsub.v1.ListSchemasResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getListSchemasMethod() {
+    io.grpc.MethodDescriptor getListSchemasMethod;
+    if ((getListSchemasMethod = SchemaServiceGrpc.getListSchemasMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getListSchemasMethod = SchemaServiceGrpc.getListSchemasMethod) == null) {
+          SchemaServiceGrpc.getListSchemasMethod = getListSchemasMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSchemas"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListSchemasRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListSchemasResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("ListSchemas"))
+              .build();
+        }
+      }
+    }
+    return getListSchemasMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getListSchemaRevisionsMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ListSchemaRevisions",
+      requestType = com.google.pubsub.v1.ListSchemaRevisionsRequest.class,
+      responseType = com.google.pubsub.v1.ListSchemaRevisionsResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getListSchemaRevisionsMethod() {
+    io.grpc.MethodDescriptor getListSchemaRevisionsMethod;
+    if ((getListSchemaRevisionsMethod = SchemaServiceGrpc.getListSchemaRevisionsMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getListSchemaRevisionsMethod = SchemaServiceGrpc.getListSchemaRevisionsMethod) == null) {
+          SchemaServiceGrpc.getListSchemaRevisionsMethod = getListSchemaRevisionsMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSchemaRevisions"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListSchemaRevisionsRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListSchemaRevisionsResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("ListSchemaRevisions"))
+              .build();
+        }
+      }
+    }
+    return getListSchemaRevisionsMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getCommitSchemaMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "CommitSchema",
+      requestType = com.google.pubsub.v1.CommitSchemaRequest.class,
+      responseType = com.google.pubsub.v1.Schema.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getCommitSchemaMethod() {
+    io.grpc.MethodDescriptor getCommitSchemaMethod;
+    if ((getCommitSchemaMethod = SchemaServiceGrpc.getCommitSchemaMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getCommitSchemaMethod = SchemaServiceGrpc.getCommitSchemaMethod) == null) {
+          SchemaServiceGrpc.getCommitSchemaMethod = getCommitSchemaMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CommitSchema"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.CommitSchemaRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Schema.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("CommitSchema"))
+              .build();
+        }
+      }
+    }
+    return getCommitSchemaMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getRollbackSchemaMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "RollbackSchema",
+      requestType = com.google.pubsub.v1.RollbackSchemaRequest.class,
+      responseType = com.google.pubsub.v1.Schema.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getRollbackSchemaMethod() {
+    io.grpc.MethodDescriptor getRollbackSchemaMethod;
+    if ((getRollbackSchemaMethod = SchemaServiceGrpc.getRollbackSchemaMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getRollbackSchemaMethod = SchemaServiceGrpc.getRollbackSchemaMethod) == null) {
+          SchemaServiceGrpc.getRollbackSchemaMethod = getRollbackSchemaMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "RollbackSchema"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.RollbackSchemaRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Schema.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("RollbackSchema"))
+              .build();
+        }
+      }
+    }
+    return getRollbackSchemaMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getDeleteSchemaRevisionMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "DeleteSchemaRevision",
+      requestType = com.google.pubsub.v1.DeleteSchemaRevisionRequest.class,
+      responseType = com.google.pubsub.v1.Schema.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getDeleteSchemaRevisionMethod() {
+    io.grpc.MethodDescriptor getDeleteSchemaRevisionMethod;
+    if ((getDeleteSchemaRevisionMethod = SchemaServiceGrpc.getDeleteSchemaRevisionMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getDeleteSchemaRevisionMethod = SchemaServiceGrpc.getDeleteSchemaRevisionMethod) == null) {
+          SchemaServiceGrpc.getDeleteSchemaRevisionMethod = getDeleteSchemaRevisionMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteSchemaRevision"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.DeleteSchemaRevisionRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Schema.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("DeleteSchemaRevision"))
+              .build();
+        }
+      }
+    }
+    return getDeleteSchemaRevisionMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getDeleteSchemaMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "DeleteSchema",
+      requestType = com.google.pubsub.v1.DeleteSchemaRequest.class,
+      responseType = com.google.protobuf.Empty.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getDeleteSchemaMethod() {
+    io.grpc.MethodDescriptor getDeleteSchemaMethod;
+    if ((getDeleteSchemaMethod = SchemaServiceGrpc.getDeleteSchemaMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getDeleteSchemaMethod = SchemaServiceGrpc.getDeleteSchemaMethod) == null) {
+          SchemaServiceGrpc.getDeleteSchemaMethod = getDeleteSchemaMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteSchema"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.DeleteSchemaRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.protobuf.Empty.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("DeleteSchema"))
+              .build();
+        }
+      }
+    }
+    return getDeleteSchemaMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getValidateSchemaMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ValidateSchema",
+      requestType = com.google.pubsub.v1.ValidateSchemaRequest.class,
+      responseType = com.google.pubsub.v1.ValidateSchemaResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getValidateSchemaMethod() {
+    io.grpc.MethodDescriptor getValidateSchemaMethod;
+    if ((getValidateSchemaMethod = SchemaServiceGrpc.getValidateSchemaMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getValidateSchemaMethod = SchemaServiceGrpc.getValidateSchemaMethod) == null) {
+          SchemaServiceGrpc.getValidateSchemaMethod = getValidateSchemaMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ValidateSchema"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ValidateSchemaRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ValidateSchemaResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("ValidateSchema"))
+              .build();
+        }
+      }
+    }
+    return getValidateSchemaMethod;
+  }
+
+  private static volatile io.grpc.MethodDescriptor getValidateMessageMethod;
+
+  @io.grpc.stub.annotations.RpcMethod(
+      fullMethodName = SERVICE_NAME + '/' + "ValidateMessage",
+      requestType = com.google.pubsub.v1.ValidateMessageRequest.class,
+      responseType = com.google.pubsub.v1.ValidateMessageResponse.class,
+      methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
+  public static io.grpc.MethodDescriptor getValidateMessageMethod() {
+    io.grpc.MethodDescriptor getValidateMessageMethod;
+    if ((getValidateMessageMethod = SchemaServiceGrpc.getValidateMessageMethod) == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        if ((getValidateMessageMethod = SchemaServiceGrpc.getValidateMessageMethod) == null) {
+          SchemaServiceGrpc.getValidateMessageMethod = getValidateMessageMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ValidateMessage"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ValidateMessageRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ValidateMessageResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SchemaServiceMethodDescriptorSupplier("ValidateMessage"))
+              .build();
+        }
+      }
+    }
+    return getValidateMessageMethod;
+  }
+
+  /**
+   * Creates a new async stub that supports all call types for the service
+   */
+  public static SchemaServiceStub newStub(io.grpc.Channel channel) {
+    io.grpc.stub.AbstractStub.StubFactory factory =
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public SchemaServiceStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new SchemaServiceStub(channel, callOptions);
+        }
+      };
+    return SchemaServiceStub.newStub(factory, channel);
+  }
+
+  /**
+   * Creates a new blocking-style stub that supports unary and streaming output calls on the service
+   */
+  public static SchemaServiceBlockingStub newBlockingStub(
+      io.grpc.Channel channel) {
+    io.grpc.stub.AbstractStub.StubFactory factory =
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public SchemaServiceBlockingStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new SchemaServiceBlockingStub(channel, callOptions);
+        }
+      };
+    return SchemaServiceBlockingStub.newStub(factory, channel);
+  }
+
+  /**
+   * Creates a new ListenableFuture-style stub that supports unary calls on the service
+   */
+  public static SchemaServiceFutureStub newFutureStub(
+      io.grpc.Channel channel) {
+    io.grpc.stub.AbstractStub.StubFactory factory =
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public SchemaServiceFutureStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new SchemaServiceFutureStub(channel, callOptions);
+        }
+      };
+    return SchemaServiceFutureStub.newStub(factory, channel);
+  }
+
+  /**
+   * 
        +   * Service for doing schema-related operations.
+   * 
        
+   */
+  public interface AsyncService {
+
+    /**
+     * 
        +     * Creates a schema.
+     * 
        
+     */
+    default void createSchema(com.google.pubsub.v1.CreateSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getCreateSchemaMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Gets a schema.
+     * 
        
+     */
+    default void getSchema(com.google.pubsub.v1.GetSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetSchemaMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Lists schemas in a project.
+     * 
        
+     */
+    default void listSchemas(com.google.pubsub.v1.ListSchemasRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getListSchemasMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Lists all schema revisions for the named schema.
+     * 
        
+     */
+    default void listSchemaRevisions(com.google.pubsub.v1.ListSchemaRevisionsRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getListSchemaRevisionsMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Commits a new schema revision to an existing schema.
+     * 
        
+     */
+    default void commitSchema(com.google.pubsub.v1.CommitSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getCommitSchemaMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Creates a new schema revision that is a copy of the provided revision_id.
+     * 
        
+     */
+    default void rollbackSchema(com.google.pubsub.v1.RollbackSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getRollbackSchemaMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Deletes a specific schema revision.
+     * 
        
+     */
+    default void deleteSchemaRevision(com.google.pubsub.v1.DeleteSchemaRevisionRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getDeleteSchemaRevisionMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Deletes a schema.
+     * 
        
+     */
+    default void deleteSchema(com.google.pubsub.v1.DeleteSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getDeleteSchemaMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Validates a schema.
+     * 
        
+     */
+    default void validateSchema(com.google.pubsub.v1.ValidateSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getValidateSchemaMethod(), responseObserver);
+    }
+
+    /**
+     * 
        +     * Validates a message against a schema.
+     * 
        
+     */
+    default void validateMessage(com.google.pubsub.v1.ValidateMessageRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getValidateMessageMethod(), responseObserver);
+    }
+  }
+
+  /**
+   * Base class for the server implementation of the service SchemaService.
+   * 
        +   * Service for doing schema-related operations.
+   * 
        
+   */
+  public static abstract class SchemaServiceImplBase
+      implements io.grpc.BindableService, AsyncService {
+
+    @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
+      return SchemaServiceGrpc.bindService(this);
+    }
+  }
+
+  /**
+   * A stub to allow clients to do asynchronous rpc calls to service SchemaService.
+   * 
        +   * Service for doing schema-related operations.
+   * 
        
+   */
+  public static final class SchemaServiceStub
+      extends io.grpc.stub.AbstractAsyncStub {
+    private SchemaServiceStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected SchemaServiceStub build(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+      return new SchemaServiceStub(channel, callOptions);
+    }
+
+    /**
+     * 
        +     * Creates a schema.
+     * 
        
+     */
+    public void createSchema(com.google.pubsub.v1.CreateSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getCreateSchemaMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Gets a schema.
+     * 
        
+     */
+    public void getSchema(com.google.pubsub.v1.GetSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getGetSchemaMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Lists schemas in a project.
+     * 
        
+     */
+    public void listSchemas(com.google.pubsub.v1.ListSchemasRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getListSchemasMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Lists all schema revisions for the named schema.
+     * 
        
+     */
+    public void listSchemaRevisions(com.google.pubsub.v1.ListSchemaRevisionsRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getListSchemaRevisionsMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Commits a new schema revision to an existing schema.
+     * 
        
+     */
+    public void commitSchema(com.google.pubsub.v1.CommitSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getCommitSchemaMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Creates a new schema revision that is a copy of the provided revision_id.
+     * 
        
+     */
+    public void rollbackSchema(com.google.pubsub.v1.RollbackSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getRollbackSchemaMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Deletes a specific schema revision.
+     * 
        
+     */
+    public void deleteSchemaRevision(com.google.pubsub.v1.DeleteSchemaRevisionRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getDeleteSchemaRevisionMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Deletes a schema.
+     * 
        
+     */
+    public void deleteSchema(com.google.pubsub.v1.DeleteSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getDeleteSchemaMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Validates a schema.
+     * 
        
+     */
+    public void validateSchema(com.google.pubsub.v1.ValidateSchemaRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getValidateSchemaMethod(), getCallOptions()), request, responseObserver);
+    }
+
+    /**
+     * 
        +     * Validates a message against a schema.
+     * 
        
+     */
+    public void validateMessage(com.google.pubsub.v1.ValidateMessageRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ClientCalls.asyncUnaryCall(
+          getChannel().newCall(getValidateMessageMethod(), getCallOptions()), request, responseObserver);
+    }
+  }
+
+  /**
+   * A stub to allow clients to do synchronous rpc calls to service SchemaService.
+   * 
        +   * Service for doing schema-related operations.
+   * 
        
+   */
+  public static final class SchemaServiceBlockingStub
+      extends io.grpc.stub.AbstractBlockingStub {
+    private SchemaServiceBlockingStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected SchemaServiceBlockingStub build(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+      return new SchemaServiceBlockingStub(channel, callOptions);
+    }
+
+    /**
+     * 
        +     * Creates a schema.
+     * 
        
+     */
+    public com.google.pubsub.v1.Schema createSchema(com.google.pubsub.v1.CreateSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getCreateSchemaMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Gets a schema.
+     * 
        
+     */
+    public com.google.pubsub.v1.Schema getSchema(com.google.pubsub.v1.GetSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getGetSchemaMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Lists schemas in a project.
+     * 
        
+     */
+    public com.google.pubsub.v1.ListSchemasResponse listSchemas(com.google.pubsub.v1.ListSchemasRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getListSchemasMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Lists all schema revisions for the named schema.
+     * 
        
+     */
+    public com.google.pubsub.v1.ListSchemaRevisionsResponse listSchemaRevisions(com.google.pubsub.v1.ListSchemaRevisionsRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getListSchemaRevisionsMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Commits a new schema revision to an existing schema.
+     * 
        
+     */
+    public com.google.pubsub.v1.Schema commitSchema(com.google.pubsub.v1.CommitSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getCommitSchemaMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Creates a new schema revision that is a copy of the provided revision_id.
+     * 
        
+     */
+    public com.google.pubsub.v1.Schema rollbackSchema(com.google.pubsub.v1.RollbackSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getRollbackSchemaMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Deletes a specific schema revision.
+     * 
        
+     */
+    public com.google.pubsub.v1.Schema deleteSchemaRevision(com.google.pubsub.v1.DeleteSchemaRevisionRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getDeleteSchemaRevisionMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Deletes a schema.
+     * 
        
+     */
+    public com.google.protobuf.Empty deleteSchema(com.google.pubsub.v1.DeleteSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getDeleteSchemaMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Validates a schema.
+     * 
        
+     */
+    public com.google.pubsub.v1.ValidateSchemaResponse validateSchema(com.google.pubsub.v1.ValidateSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getValidateSchemaMethod(), getCallOptions(), request);
+    }
+
+    /**
+     * 
        +     * Validates a message against a schema.
+     * 
        
+     */
+    public com.google.pubsub.v1.ValidateMessageResponse validateMessage(com.google.pubsub.v1.ValidateMessageRequest request) {
+      return io.grpc.stub.ClientCalls.blockingUnaryCall(
+          getChannel(), getValidateMessageMethod(), getCallOptions(), request);
+    }
+  }
+
+  /**
+   * A stub to allow clients to do ListenableFuture-style rpc calls to service SchemaService.
+   * 
        +   * Service for doing schema-related operations.
+   * 
        
+   */
+  public static final class SchemaServiceFutureStub
+      extends io.grpc.stub.AbstractFutureStub {
+    private SchemaServiceFutureStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+      super(channel, callOptions);
+    }
+
+    @java.lang.Override
+    protected SchemaServiceFutureStub build(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+      return new SchemaServiceFutureStub(channel, callOptions);
+    }
+
+    /**
+     * 
        +     * Creates a schema.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture createSchema(
+        com.google.pubsub.v1.CreateSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getCreateSchemaMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Gets a schema.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture getSchema(
+        com.google.pubsub.v1.GetSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getGetSchemaMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Lists schemas in a project.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture listSchemas(
+        com.google.pubsub.v1.ListSchemasRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getListSchemasMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Lists all schema revisions for the named schema.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture listSchemaRevisions(
+        com.google.pubsub.v1.ListSchemaRevisionsRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getListSchemaRevisionsMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Commits a new schema revision to an existing schema.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture commitSchema(
+        com.google.pubsub.v1.CommitSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getCommitSchemaMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Creates a new schema revision that is a copy of the provided revision_id.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture rollbackSchema(
+        com.google.pubsub.v1.RollbackSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getRollbackSchemaMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Deletes a specific schema revision.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture deleteSchemaRevision(
+        com.google.pubsub.v1.DeleteSchemaRevisionRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getDeleteSchemaRevisionMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Deletes a schema.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture deleteSchema(
+        com.google.pubsub.v1.DeleteSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getDeleteSchemaMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Validates a schema.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture validateSchema(
+        com.google.pubsub.v1.ValidateSchemaRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getValidateSchemaMethod(), getCallOptions()), request);
+    }
+
+    /**
+     * 
        +     * Validates a message against a schema.
+     * 
        
+     */
+    public com.google.common.util.concurrent.ListenableFuture validateMessage(
+        com.google.pubsub.v1.ValidateMessageRequest request) {
+      return io.grpc.stub.ClientCalls.futureUnaryCall(
+          getChannel().newCall(getValidateMessageMethod(), getCallOptions()), request);
+    }
+  }
+
+  private static final int METHODID_CREATE_SCHEMA = 0;
+  private static final int METHODID_GET_SCHEMA = 1;
+  private static final int METHODID_LIST_SCHEMAS = 2;
+  private static final int METHODID_LIST_SCHEMA_REVISIONS = 3;
+  private static final int METHODID_COMMIT_SCHEMA = 4;
+  private static final int METHODID_ROLLBACK_SCHEMA = 5;
+  private static final int METHODID_DELETE_SCHEMA_REVISION = 6;
+  private static final int METHODID_DELETE_SCHEMA = 7;
+  private static final int METHODID_VALIDATE_SCHEMA = 8;
+  private static final int METHODID_VALIDATE_MESSAGE = 9;
+
+  private static final class MethodHandlers implements
+      io.grpc.stub.ServerCalls.UnaryMethod,
+      io.grpc.stub.ServerCalls.ServerStreamingMethod,
+      io.grpc.stub.ServerCalls.ClientStreamingMethod,
+      io.grpc.stub.ServerCalls.BidiStreamingMethod {
+    private final AsyncService serviceImpl;
+    private final int methodId;
+
+    MethodHandlers(AsyncService serviceImpl, int methodId) {
+      this.serviceImpl = serviceImpl;
+      this.methodId = methodId;
+    }
+
+    @java.lang.Override
+    @java.lang.SuppressWarnings("unchecked")
+    public void invoke(Req request, io.grpc.stub.StreamObserver responseObserver) {
+      switch (methodId) {
+        case METHODID_CREATE_SCHEMA:
+          serviceImpl.createSchema((com.google.pubsub.v1.CreateSchemaRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_GET_SCHEMA:
+          serviceImpl.getSchema((com.google.pubsub.v1.GetSchemaRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_LIST_SCHEMAS:
+          serviceImpl.listSchemas((com.google.pubsub.v1.ListSchemasRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_LIST_SCHEMA_REVISIONS:
+          serviceImpl.listSchemaRevisions((com.google.pubsub.v1.ListSchemaRevisionsRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_COMMIT_SCHEMA:
+          serviceImpl.commitSchema((com.google.pubsub.v1.CommitSchemaRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_ROLLBACK_SCHEMA:
+          serviceImpl.rollbackSchema((com.google.pubsub.v1.RollbackSchemaRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_DELETE_SCHEMA_REVISION:
+          serviceImpl.deleteSchemaRevision((com.google.pubsub.v1.DeleteSchemaRevisionRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_DELETE_SCHEMA:
+          serviceImpl.deleteSchema((com.google.pubsub.v1.DeleteSchemaRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_VALIDATE_SCHEMA:
+          serviceImpl.validateSchema((com.google.pubsub.v1.ValidateSchemaRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        case METHODID_VALIDATE_MESSAGE:
+          serviceImpl.validateMessage((com.google.pubsub.v1.ValidateMessageRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
+          break;
+        default:
+          throw new AssertionError();
+      }
+    }
+
+    @java.lang.Override
+    @java.lang.SuppressWarnings("unchecked")
+    public io.grpc.stub.StreamObserver invoke(
+        io.grpc.stub.StreamObserver responseObserver) {
+      switch (methodId) {
+        default:
+          throw new AssertionError();
+      }
+    }
+  }
+
+  public static final io.grpc.ServerServiceDefinition bindService(AsyncService service) {
+    return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
+        .addMethod(
+          getCreateSchemaMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.CreateSchemaRequest,
+              com.google.pubsub.v1.Schema>(
+                service, METHODID_CREATE_SCHEMA)))
+        .addMethod(
+          getGetSchemaMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.GetSchemaRequest,
+              com.google.pubsub.v1.Schema>(
+                service, METHODID_GET_SCHEMA)))
+        .addMethod(
+          getListSchemasMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ListSchemasRequest,
+              com.google.pubsub.v1.ListSchemasResponse>(
+                service, METHODID_LIST_SCHEMAS)))
+        .addMethod(
+          getListSchemaRevisionsMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ListSchemaRevisionsRequest,
+              com.google.pubsub.v1.ListSchemaRevisionsResponse>(
+                service, METHODID_LIST_SCHEMA_REVISIONS)))
+        .addMethod(
+          getCommitSchemaMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.CommitSchemaRequest,
+              com.google.pubsub.v1.Schema>(
+                service, METHODID_COMMIT_SCHEMA)))
+        .addMethod(
+          getRollbackSchemaMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.RollbackSchemaRequest,
+              com.google.pubsub.v1.Schema>(
+                service, METHODID_ROLLBACK_SCHEMA)))
+        .addMethod(
+          getDeleteSchemaRevisionMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.DeleteSchemaRevisionRequest,
+              com.google.pubsub.v1.Schema>(
+                service, METHODID_DELETE_SCHEMA_REVISION)))
+        .addMethod(
+          getDeleteSchemaMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.DeleteSchemaRequest,
+              com.google.protobuf.Empty>(
+                service, METHODID_DELETE_SCHEMA)))
+        .addMethod(
+          getValidateSchemaMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ValidateSchemaRequest,
+              com.google.pubsub.v1.ValidateSchemaResponse>(
+                service, METHODID_VALIDATE_SCHEMA)))
+        .addMethod(
+          getValidateMessageMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ValidateMessageRequest,
+              com.google.pubsub.v1.ValidateMessageResponse>(
+                service, METHODID_VALIDATE_MESSAGE)))
+        .build();
+  }
+
+  private static abstract class SchemaServiceBaseDescriptorSupplier
+      implements io.grpc.protobuf.ProtoFileDescriptorSupplier, io.grpc.protobuf.ProtoServiceDescriptorSupplier {
+    SchemaServiceBaseDescriptorSupplier() {}
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.FileDescriptor getFileDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.getDescriptor();
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.ServiceDescriptor getServiceDescriptor() {
+      return getFileDescriptor().findServiceByName("SchemaService");
+    }
+  }
+
+  private static final class SchemaServiceFileDescriptorSupplier
+      extends SchemaServiceBaseDescriptorSupplier {
+    SchemaServiceFileDescriptorSupplier() {}
+  }
+
+  private static final class SchemaServiceMethodDescriptorSupplier
+      extends SchemaServiceBaseDescriptorSupplier
+      implements io.grpc.protobuf.ProtoMethodDescriptorSupplier {
+    private final java.lang.String methodName;
+
+    SchemaServiceMethodDescriptorSupplier(java.lang.String methodName) {
+      this.methodName = methodName;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.MethodDescriptor getMethodDescriptor() {
+      return getServiceDescriptor().findMethodByName(methodName);
+    }
+  }
+
+  private static volatile io.grpc.ServiceDescriptor serviceDescriptor;
+
+  public static io.grpc.ServiceDescriptor getServiceDescriptor() {
+    io.grpc.ServiceDescriptor result = serviceDescriptor;
+    if (result == null) {
+      synchronized (SchemaServiceGrpc.class) {
+        result = serviceDescriptor;
+        if (result == null) {
+          serviceDescriptor = result = io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
+              .setSchemaDescriptor(new SchemaServiceFileDescriptorSupplier())
+              .addMethod(getCreateSchemaMethod())
+              .addMethod(getGetSchemaMethod())
+              .addMethod(getListSchemasMethod())
+              .addMethod(getListSchemaRevisionsMethod())
+              .addMethod(getCommitSchemaMethod())
+              .addMethod(getRollbackSchemaMethod())
+              .addMethod(getDeleteSchemaRevisionMethod())
+              .addMethod(getDeleteSchemaMethod())
+              .addMethod(getValidateSchemaMethod())
+              .addMethod(getValidateMessageMethod())
+              .build();
+        }
+      }
+    }
+    return result;
+  }
+}
diff --git a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java b/owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java
similarity index 56%
rename from grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java
rename to owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java
index d39529c42..36f456939 100644
--- a/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java
+++ b/owl-bot-staging/v1/grpc-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriberGrpc.java
@@ -1,25 +1,8 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 package com.google.pubsub.v1;
 
 import static io.grpc.MethodDescriptor.generateFullMethodName;
 
 /**
- *
- *
  * 
          * The service that an application uses to manipulate subscriptions and to
  * consume messages from a subscription via the `Pull` method or by
@@ -37,698 +20,547 @@ private SubscriberGrpc() {}
   public static final java.lang.String SERVICE_NAME = "google.pubsub.v1.Subscriber";
 
   // Static method descriptors that strictly reflect the proto.
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription>
-      getCreateSubscriptionMethod;
+  private static volatile io.grpc.MethodDescriptor getCreateSubscriptionMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "CreateSubscription",
       requestType = com.google.pubsub.v1.Subscription.class,
       responseType = com.google.pubsub.v1.Subscription.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription>
-      getCreateSubscriptionMethod() {
-    io.grpc.MethodDescriptor
-        getCreateSubscriptionMethod;
+  public static io.grpc.MethodDescriptor getCreateSubscriptionMethod() {
+    io.grpc.MethodDescriptor getCreateSubscriptionMethod;
     if ((getCreateSubscriptionMethod = SubscriberGrpc.getCreateSubscriptionMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getCreateSubscriptionMethod = SubscriberGrpc.getCreateSubscriptionMethod) == null) {
-          SubscriberGrpc.getCreateSubscriptionMethod =
-              getCreateSubscriptionMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateSubscription"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Subscription.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Subscription.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new SubscriberMethodDescriptorSupplier("CreateSubscription"))
-                      .build();
+          SubscriberGrpc.getCreateSubscriptionMethod = getCreateSubscriptionMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateSubscription"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Subscription.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Subscription.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("CreateSubscription"))
+              .build();
         }
       }
     }
     return getCreateSubscriptionMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.GetSubscriptionRequest, com.google.pubsub.v1.Subscription>
-      getGetSubscriptionMethod;
+  private static volatile io.grpc.MethodDescriptor getGetSubscriptionMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "GetSubscription",
       requestType = com.google.pubsub.v1.GetSubscriptionRequest.class,
       responseType = com.google.pubsub.v1.Subscription.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.GetSubscriptionRequest, com.google.pubsub.v1.Subscription>
-      getGetSubscriptionMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.GetSubscriptionRequest, com.google.pubsub.v1.Subscription>
-        getGetSubscriptionMethod;
+  public static io.grpc.MethodDescriptor getGetSubscriptionMethod() {
+    io.grpc.MethodDescriptor getGetSubscriptionMethod;
     if ((getGetSubscriptionMethod = SubscriberGrpc.getGetSubscriptionMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getGetSubscriptionMethod = SubscriberGrpc.getGetSubscriptionMethod) == null) {
-          SubscriberGrpc.getGetSubscriptionMethod =
-              getGetSubscriptionMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "GetSubscription"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.GetSubscriptionRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Subscription.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new SubscriberMethodDescriptorSupplier("GetSubscription"))
-                      .build();
+          SubscriberGrpc.getGetSubscriptionMethod = getGetSubscriptionMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "GetSubscription"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.GetSubscriptionRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Subscription.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("GetSubscription"))
+              .build();
         }
       }
     }
     return getGetSubscriptionMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.UpdateSubscriptionRequest, com.google.pubsub.v1.Subscription>
-      getUpdateSubscriptionMethod;
+  private static volatile io.grpc.MethodDescriptor getUpdateSubscriptionMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "UpdateSubscription",
       requestType = com.google.pubsub.v1.UpdateSubscriptionRequest.class,
       responseType = com.google.pubsub.v1.Subscription.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.UpdateSubscriptionRequest, com.google.pubsub.v1.Subscription>
-      getUpdateSubscriptionMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.UpdateSubscriptionRequest, com.google.pubsub.v1.Subscription>
-        getUpdateSubscriptionMethod;
+  public static io.grpc.MethodDescriptor getUpdateSubscriptionMethod() {
+    io.grpc.MethodDescriptor getUpdateSubscriptionMethod;
     if ((getUpdateSubscriptionMethod = SubscriberGrpc.getUpdateSubscriptionMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getUpdateSubscriptionMethod = SubscriberGrpc.getUpdateSubscriptionMethod) == null) {
-          SubscriberGrpc.getUpdateSubscriptionMethod =
-              getUpdateSubscriptionMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateSubscription"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.UpdateSubscriptionRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Subscription.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new SubscriberMethodDescriptorSupplier("UpdateSubscription"))
-                      .build();
+          SubscriberGrpc.getUpdateSubscriptionMethod = getUpdateSubscriptionMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateSubscription"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.UpdateSubscriptionRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Subscription.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("UpdateSubscription"))
+              .build();
         }
       }
     }
     return getUpdateSubscriptionMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListSubscriptionsRequest,
-          com.google.pubsub.v1.ListSubscriptionsResponse>
-      getListSubscriptionsMethod;
+  private static volatile io.grpc.MethodDescriptor getListSubscriptionsMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "ListSubscriptions",
       requestType = com.google.pubsub.v1.ListSubscriptionsRequest.class,
       responseType = com.google.pubsub.v1.ListSubscriptionsResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListSubscriptionsRequest,
-          com.google.pubsub.v1.ListSubscriptionsResponse>
-      getListSubscriptionsMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.ListSubscriptionsRequest,
-            com.google.pubsub.v1.ListSubscriptionsResponse>
-        getListSubscriptionsMethod;
+  public static io.grpc.MethodDescriptor getListSubscriptionsMethod() {
+    io.grpc.MethodDescriptor getListSubscriptionsMethod;
     if ((getListSubscriptionsMethod = SubscriberGrpc.getListSubscriptionsMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getListSubscriptionsMethod = SubscriberGrpc.getListSubscriptionsMethod) == null) {
-          SubscriberGrpc.getListSubscriptionsMethod =
-              getListSubscriptionsMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSubscriptions"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListSubscriptionsRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListSubscriptionsResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new SubscriberMethodDescriptorSupplier("ListSubscriptions"))
-                      .build();
+          SubscriberGrpc.getListSubscriptionsMethod = getListSubscriptionsMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSubscriptions"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListSubscriptionsRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListSubscriptionsResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("ListSubscriptions"))
+              .build();
         }
       }
     }
     return getListSubscriptionsMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.DeleteSubscriptionRequest, com.google.protobuf.Empty>
-      getDeleteSubscriptionMethod;
+  private static volatile io.grpc.MethodDescriptor getDeleteSubscriptionMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "DeleteSubscription",
       requestType = com.google.pubsub.v1.DeleteSubscriptionRequest.class,
       responseType = com.google.protobuf.Empty.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.DeleteSubscriptionRequest, com.google.protobuf.Empty>
-      getDeleteSubscriptionMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.DeleteSubscriptionRequest, com.google.protobuf.Empty>
-        getDeleteSubscriptionMethod;
+  public static io.grpc.MethodDescriptor getDeleteSubscriptionMethod() {
+    io.grpc.MethodDescriptor getDeleteSubscriptionMethod;
     if ((getDeleteSubscriptionMethod = SubscriberGrpc.getDeleteSubscriptionMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getDeleteSubscriptionMethod = SubscriberGrpc.getDeleteSubscriptionMethod) == null) {
-          SubscriberGrpc.getDeleteSubscriptionMethod =
-              getDeleteSubscriptionMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteSubscription"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.DeleteSubscriptionRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.protobuf.Empty.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new SubscriberMethodDescriptorSupplier("DeleteSubscription"))
-                      .build();
+          SubscriberGrpc.getDeleteSubscriptionMethod = getDeleteSubscriptionMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteSubscription"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.DeleteSubscriptionRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.protobuf.Empty.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("DeleteSubscription"))
+              .build();
         }
       }
     }
     return getDeleteSubscriptionMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ModifyAckDeadlineRequest, com.google.protobuf.Empty>
-      getModifyAckDeadlineMethod;
+  private static volatile io.grpc.MethodDescriptor getModifyAckDeadlineMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "ModifyAckDeadline",
       requestType = com.google.pubsub.v1.ModifyAckDeadlineRequest.class,
       responseType = com.google.protobuf.Empty.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ModifyAckDeadlineRequest, com.google.protobuf.Empty>
-      getModifyAckDeadlineMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.ModifyAckDeadlineRequest, com.google.protobuf.Empty>
-        getModifyAckDeadlineMethod;
+  public static io.grpc.MethodDescriptor getModifyAckDeadlineMethod() {
+    io.grpc.MethodDescriptor getModifyAckDeadlineMethod;
     if ((getModifyAckDeadlineMethod = SubscriberGrpc.getModifyAckDeadlineMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getModifyAckDeadlineMethod = SubscriberGrpc.getModifyAckDeadlineMethod) == null) {
-          SubscriberGrpc.getModifyAckDeadlineMethod =
-              getModifyAckDeadlineMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ModifyAckDeadline"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ModifyAckDeadlineRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.protobuf.Empty.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new SubscriberMethodDescriptorSupplier("ModifyAckDeadline"))
-                      .build();
+          SubscriberGrpc.getModifyAckDeadlineMethod = getModifyAckDeadlineMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ModifyAckDeadline"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ModifyAckDeadlineRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.protobuf.Empty.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("ModifyAckDeadline"))
+              .build();
         }
       }
     }
     return getModifyAckDeadlineMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.AcknowledgeRequest, com.google.protobuf.Empty>
-      getAcknowledgeMethod;
+  private static volatile io.grpc.MethodDescriptor getAcknowledgeMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "Acknowledge",
       requestType = com.google.pubsub.v1.AcknowledgeRequest.class,
       responseType = com.google.protobuf.Empty.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.AcknowledgeRequest, com.google.protobuf.Empty>
-      getAcknowledgeMethod() {
-    io.grpc.MethodDescriptor
-        getAcknowledgeMethod;
+  public static io.grpc.MethodDescriptor getAcknowledgeMethod() {
+    io.grpc.MethodDescriptor getAcknowledgeMethod;
     if ((getAcknowledgeMethod = SubscriberGrpc.getAcknowledgeMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getAcknowledgeMethod = SubscriberGrpc.getAcknowledgeMethod) == null) {
-          SubscriberGrpc.getAcknowledgeMethod =
-              getAcknowledgeMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "Acknowledge"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.AcknowledgeRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.protobuf.Empty.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("Acknowledge"))
-                      .build();
+          SubscriberGrpc.getAcknowledgeMethod = getAcknowledgeMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "Acknowledge"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.AcknowledgeRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.protobuf.Empty.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("Acknowledge"))
+              .build();
         }
       }
     }
     return getAcknowledgeMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.PullRequest, com.google.pubsub.v1.PullResponse>
-      getPullMethod;
+  private static volatile io.grpc.MethodDescriptor getPullMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "Pull",
       requestType = com.google.pubsub.v1.PullRequest.class,
       responseType = com.google.pubsub.v1.PullResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.PullRequest, com.google.pubsub.v1.PullResponse>
-      getPullMethod() {
-    io.grpc.MethodDescriptor
-        getPullMethod;
+  public static io.grpc.MethodDescriptor getPullMethod() {
+    io.grpc.MethodDescriptor getPullMethod;
     if ((getPullMethod = SubscriberGrpc.getPullMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getPullMethod = SubscriberGrpc.getPullMethod) == null) {
-          SubscriberGrpc.getPullMethod =
-              getPullMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "Pull"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.PullRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.PullResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("Pull"))
-                      .build();
+          SubscriberGrpc.getPullMethod = getPullMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "Pull"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.PullRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.PullResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("Pull"))
+              .build();
         }
       }
     }
     return getPullMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.StreamingPullRequest, com.google.pubsub.v1.StreamingPullResponse>
-      getStreamingPullMethod;
+  private static volatile io.grpc.MethodDescriptor getStreamingPullMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "StreamingPull",
       requestType = com.google.pubsub.v1.StreamingPullRequest.class,
       responseType = com.google.pubsub.v1.StreamingPullResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.BIDI_STREAMING)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.StreamingPullRequest, com.google.pubsub.v1.StreamingPullResponse>
-      getStreamingPullMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.StreamingPullRequest, com.google.pubsub.v1.StreamingPullResponse>
-        getStreamingPullMethod;
+  public static io.grpc.MethodDescriptor getStreamingPullMethod() {
+    io.grpc.MethodDescriptor getStreamingPullMethod;
     if ((getStreamingPullMethod = SubscriberGrpc.getStreamingPullMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getStreamingPullMethod = SubscriberGrpc.getStreamingPullMethod) == null) {
-          SubscriberGrpc.getStreamingPullMethod =
-              getStreamingPullMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.BIDI_STREAMING)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "StreamingPull"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.StreamingPullRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.StreamingPullResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("StreamingPull"))
-                      .build();
+          SubscriberGrpc.getStreamingPullMethod = getStreamingPullMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.BIDI_STREAMING)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "StreamingPull"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.StreamingPullRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.StreamingPullResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("StreamingPull"))
+              .build();
         }
       }
     }
     return getStreamingPullMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ModifyPushConfigRequest, com.google.protobuf.Empty>
-      getModifyPushConfigMethod;
+  private static volatile io.grpc.MethodDescriptor getModifyPushConfigMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "ModifyPushConfig",
       requestType = com.google.pubsub.v1.ModifyPushConfigRequest.class,
       responseType = com.google.protobuf.Empty.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ModifyPushConfigRequest, com.google.protobuf.Empty>
-      getModifyPushConfigMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.ModifyPushConfigRequest, com.google.protobuf.Empty>
-        getModifyPushConfigMethod;
+  public static io.grpc.MethodDescriptor getModifyPushConfigMethod() {
+    io.grpc.MethodDescriptor getModifyPushConfigMethod;
     if ((getModifyPushConfigMethod = SubscriberGrpc.getModifyPushConfigMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getModifyPushConfigMethod = SubscriberGrpc.getModifyPushConfigMethod) == null) {
-          SubscriberGrpc.getModifyPushConfigMethod =
-              getModifyPushConfigMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ModifyPushConfig"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ModifyPushConfigRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.protobuf.Empty.getDefaultInstance()))
-                      .setSchemaDescriptor(
-                          new SubscriberMethodDescriptorSupplier("ModifyPushConfig"))
-                      .build();
+          SubscriberGrpc.getModifyPushConfigMethod = getModifyPushConfigMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ModifyPushConfig"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ModifyPushConfigRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.protobuf.Empty.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("ModifyPushConfig"))
+              .build();
         }
       }
     }
     return getModifyPushConfigMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.GetSnapshotRequest, com.google.pubsub.v1.Snapshot>
-      getGetSnapshotMethod;
+  private static volatile io.grpc.MethodDescriptor getGetSnapshotMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "GetSnapshot",
       requestType = com.google.pubsub.v1.GetSnapshotRequest.class,
       responseType = com.google.pubsub.v1.Snapshot.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.GetSnapshotRequest, com.google.pubsub.v1.Snapshot>
-      getGetSnapshotMethod() {
-    io.grpc.MethodDescriptor
-        getGetSnapshotMethod;
+  public static io.grpc.MethodDescriptor getGetSnapshotMethod() {
+    io.grpc.MethodDescriptor getGetSnapshotMethod;
     if ((getGetSnapshotMethod = SubscriberGrpc.getGetSnapshotMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getGetSnapshotMethod = SubscriberGrpc.getGetSnapshotMethod) == null) {
-          SubscriberGrpc.getGetSnapshotMethod =
-              getGetSnapshotMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "GetSnapshot"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.GetSnapshotRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Snapshot.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("GetSnapshot"))
-                      .build();
+          SubscriberGrpc.getGetSnapshotMethod = getGetSnapshotMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "GetSnapshot"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.GetSnapshotRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Snapshot.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("GetSnapshot"))
+              .build();
         }
       }
     }
     return getGetSnapshotMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListSnapshotsRequest, com.google.pubsub.v1.ListSnapshotsResponse>
-      getListSnapshotsMethod;
+  private static volatile io.grpc.MethodDescriptor getListSnapshotsMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "ListSnapshots",
       requestType = com.google.pubsub.v1.ListSnapshotsRequest.class,
       responseType = com.google.pubsub.v1.ListSnapshotsResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.ListSnapshotsRequest, com.google.pubsub.v1.ListSnapshotsResponse>
-      getListSnapshotsMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.ListSnapshotsRequest, com.google.pubsub.v1.ListSnapshotsResponse>
-        getListSnapshotsMethod;
+  public static io.grpc.MethodDescriptor getListSnapshotsMethod() {
+    io.grpc.MethodDescriptor getListSnapshotsMethod;
     if ((getListSnapshotsMethod = SubscriberGrpc.getListSnapshotsMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getListSnapshotsMethod = SubscriberGrpc.getListSnapshotsMethod) == null) {
-          SubscriberGrpc.getListSnapshotsMethod =
-              getListSnapshotsMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSnapshots"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListSnapshotsRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.ListSnapshotsResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("ListSnapshots"))
-                      .build();
+          SubscriberGrpc.getListSnapshotsMethod = getListSnapshotsMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "ListSnapshots"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListSnapshotsRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.ListSnapshotsResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("ListSnapshots"))
+              .build();
         }
       }
     }
     return getListSnapshotsMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.CreateSnapshotRequest, com.google.pubsub.v1.Snapshot>
-      getCreateSnapshotMethod;
+  private static volatile io.grpc.MethodDescriptor getCreateSnapshotMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "CreateSnapshot",
       requestType = com.google.pubsub.v1.CreateSnapshotRequest.class,
       responseType = com.google.pubsub.v1.Snapshot.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.CreateSnapshotRequest, com.google.pubsub.v1.Snapshot>
-      getCreateSnapshotMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.CreateSnapshotRequest, com.google.pubsub.v1.Snapshot>
-        getCreateSnapshotMethod;
+  public static io.grpc.MethodDescriptor getCreateSnapshotMethod() {
+    io.grpc.MethodDescriptor getCreateSnapshotMethod;
     if ((getCreateSnapshotMethod = SubscriberGrpc.getCreateSnapshotMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getCreateSnapshotMethod = SubscriberGrpc.getCreateSnapshotMethod) == null) {
-          SubscriberGrpc.getCreateSnapshotMethod =
-              getCreateSnapshotMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateSnapshot"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.CreateSnapshotRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Snapshot.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("CreateSnapshot"))
-                      .build();
+          SubscriberGrpc.getCreateSnapshotMethod = getCreateSnapshotMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "CreateSnapshot"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.CreateSnapshotRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Snapshot.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("CreateSnapshot"))
+              .build();
         }
       }
     }
     return getCreateSnapshotMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.UpdateSnapshotRequest, com.google.pubsub.v1.Snapshot>
-      getUpdateSnapshotMethod;
+  private static volatile io.grpc.MethodDescriptor getUpdateSnapshotMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "UpdateSnapshot",
       requestType = com.google.pubsub.v1.UpdateSnapshotRequest.class,
       responseType = com.google.pubsub.v1.Snapshot.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.UpdateSnapshotRequest, com.google.pubsub.v1.Snapshot>
-      getUpdateSnapshotMethod() {
-    io.grpc.MethodDescriptor<
-            com.google.pubsub.v1.UpdateSnapshotRequest, com.google.pubsub.v1.Snapshot>
-        getUpdateSnapshotMethod;
+  public static io.grpc.MethodDescriptor getUpdateSnapshotMethod() {
+    io.grpc.MethodDescriptor getUpdateSnapshotMethod;
     if ((getUpdateSnapshotMethod = SubscriberGrpc.getUpdateSnapshotMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getUpdateSnapshotMethod = SubscriberGrpc.getUpdateSnapshotMethod) == null) {
-          SubscriberGrpc.getUpdateSnapshotMethod =
-              getUpdateSnapshotMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateSnapshot"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.UpdateSnapshotRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.Snapshot.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("UpdateSnapshot"))
-                      .build();
+          SubscriberGrpc.getUpdateSnapshotMethod = getUpdateSnapshotMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "UpdateSnapshot"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.UpdateSnapshotRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.Snapshot.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("UpdateSnapshot"))
+              .build();
         }
       }
     }
     return getUpdateSnapshotMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.DeleteSnapshotRequest, com.google.protobuf.Empty>
-      getDeleteSnapshotMethod;
+  private static volatile io.grpc.MethodDescriptor getDeleteSnapshotMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "DeleteSnapshot",
       requestType = com.google.pubsub.v1.DeleteSnapshotRequest.class,
       responseType = com.google.protobuf.Empty.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.DeleteSnapshotRequest, com.google.protobuf.Empty>
-      getDeleteSnapshotMethod() {
-    io.grpc.MethodDescriptor
-        getDeleteSnapshotMethod;
+  public static io.grpc.MethodDescriptor getDeleteSnapshotMethod() {
+    io.grpc.MethodDescriptor getDeleteSnapshotMethod;
     if ((getDeleteSnapshotMethod = SubscriberGrpc.getDeleteSnapshotMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getDeleteSnapshotMethod = SubscriberGrpc.getDeleteSnapshotMethod) == null) {
-          SubscriberGrpc.getDeleteSnapshotMethod =
-              getDeleteSnapshotMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteSnapshot"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.DeleteSnapshotRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.protobuf.Empty.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("DeleteSnapshot"))
-                      .build();
+          SubscriberGrpc.getDeleteSnapshotMethod = getDeleteSnapshotMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "DeleteSnapshot"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.DeleteSnapshotRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.protobuf.Empty.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("DeleteSnapshot"))
+              .build();
         }
       }
     }
     return getDeleteSnapshotMethod;
   }
 
-  private static volatile io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.SeekRequest, com.google.pubsub.v1.SeekResponse>
-      getSeekMethod;
+  private static volatile io.grpc.MethodDescriptor getSeekMethod;
 
   @io.grpc.stub.annotations.RpcMethod(
       fullMethodName = SERVICE_NAME + '/' + "Seek",
       requestType = com.google.pubsub.v1.SeekRequest.class,
       responseType = com.google.pubsub.v1.SeekResponse.class,
       methodType = io.grpc.MethodDescriptor.MethodType.UNARY)
-  public static io.grpc.MethodDescriptor<
-          com.google.pubsub.v1.SeekRequest, com.google.pubsub.v1.SeekResponse>
-      getSeekMethod() {
-    io.grpc.MethodDescriptor
-        getSeekMethod;
+  public static io.grpc.MethodDescriptor getSeekMethod() {
+    io.grpc.MethodDescriptor getSeekMethod;
     if ((getSeekMethod = SubscriberGrpc.getSeekMethod) == null) {
       synchronized (SubscriberGrpc.class) {
         if ((getSeekMethod = SubscriberGrpc.getSeekMethod) == null) {
-          SubscriberGrpc.getSeekMethod =
-              getSeekMethod =
-                  io.grpc.MethodDescriptor
-                      .
-                          newBuilder()
-                      .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
-                      .setFullMethodName(generateFullMethodName(SERVICE_NAME, "Seek"))
-                      .setSampledToLocalTracing(true)
-                      .setRequestMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.SeekRequest.getDefaultInstance()))
-                      .setResponseMarshaller(
-                          io.grpc.protobuf.ProtoUtils.marshaller(
-                              com.google.pubsub.v1.SeekResponse.getDefaultInstance()))
-                      .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("Seek"))
-                      .build();
+          SubscriberGrpc.getSeekMethod = getSeekMethod =
+              io.grpc.MethodDescriptor.newBuilder()
+              .setType(io.grpc.MethodDescriptor.MethodType.UNARY)
+              .setFullMethodName(generateFullMethodName(SERVICE_NAME, "Seek"))
+              .setSampledToLocalTracing(true)
+              .setRequestMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.SeekRequest.getDefaultInstance()))
+              .setResponseMarshaller(io.grpc.protobuf.ProtoUtils.marshaller(
+                  com.google.pubsub.v1.SeekResponse.getDefaultInstance()))
+              .setSchemaDescriptor(new SubscriberMethodDescriptorSupplier("Seek"))
+              .build();
         }
       }
     }
     return getSeekMethod;
   }
 
-  /** Creates a new async stub that supports all call types for the service */
+  /**
+   * Creates a new async stub that supports all call types for the service
+   */
   public static SubscriberStub newStub(io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory factory =
-        new io.grpc.stub.AbstractStub.StubFactory() {
-          @java.lang.Override
-          public SubscriberStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
-            return new SubscriberStub(channel, callOptions);
-          }
-        };
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public SubscriberStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new SubscriberStub(channel, callOptions);
+        }
+      };
     return SubscriberStub.newStub(factory, channel);
   }
 
   /**
    * Creates a new blocking-style stub that supports unary and streaming output calls on the service
    */
-  public static SubscriberBlockingStub newBlockingStub(io.grpc.Channel channel) {
+  public static SubscriberBlockingStub newBlockingStub(
+      io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory factory =
-        new io.grpc.stub.AbstractStub.StubFactory() {
-          @java.lang.Override
-          public SubscriberBlockingStub newStub(
-              io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
-            return new SubscriberBlockingStub(channel, callOptions);
-          }
-        };
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public SubscriberBlockingStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new SubscriberBlockingStub(channel, callOptions);
+        }
+      };
     return SubscriberBlockingStub.newStub(factory, channel);
   }
 
-  /** Creates a new ListenableFuture-style stub that supports unary calls on the service */
-  public static SubscriberFutureStub newFutureStub(io.grpc.Channel channel) {
+  /**
+   * Creates a new ListenableFuture-style stub that supports unary calls on the service
+   */
+  public static SubscriberFutureStub newFutureStub(
+      io.grpc.Channel channel) {
     io.grpc.stub.AbstractStub.StubFactory factory =
-        new io.grpc.stub.AbstractStub.StubFactory() {
-          @java.lang.Override
-          public SubscriberFutureStub newStub(
-              io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
-            return new SubscriberFutureStub(channel, callOptions);
-          }
-        };
+      new io.grpc.stub.AbstractStub.StubFactory() {
+        @java.lang.Override
+        public SubscriberFutureStub newStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+          return new SubscriberFutureStub(channel, callOptions);
+        }
+      };
     return SubscriberFutureStub.newStub(factory, channel);
   }
 
   /**
-   *
-   *
    * 
            * The service that an application uses to manipulate subscriptions and to
    * consume messages from a subscription via the `Pull` method or by
@@ -738,8 +570,6 @@ public SubscriberFutureStub newStub(
   public interface AsyncService {
 
     /**
-     *
-     *
      * 
              * Creates a subscription to a given topic. See the [resource name rules]
      * (https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names).
@@ -753,60 +583,44 @@ public interface AsyncService {
      * for REST API requests, you must specify a name in the request.
      * 
        
      */
-    default void createSubscription(
-        com.google.pubsub.v1.Subscription request,
+    default void createSubscription(com.google.pubsub.v1.Subscription request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getCreateSubscriptionMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getCreateSubscriptionMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration details of a subscription.
      * 
        
      */
-    default void getSubscription(
-        com.google.pubsub.v1.GetSubscriptionRequest request,
+    default void getSubscription(com.google.pubsub.v1.GetSubscriptionRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getGetSubscriptionMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetSubscriptionMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing subscription. Note that certain properties of a
-     * subscription, such as its topic, are not modifiable.
+     * Updates an existing subscription by updating the fields specified in the
+     * update mask. Note that certain properties of a subscription, such as its
+     * topic, are not modifiable.
      * 
        
      */
-    default void updateSubscription(
-        com.google.pubsub.v1.UpdateSubscriptionRequest request,
+    default void updateSubscription(com.google.pubsub.v1.UpdateSubscriptionRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getUpdateSubscriptionMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getUpdateSubscriptionMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists matching subscriptions.
      * 
        
      */
-    default void listSubscriptions(
-        com.google.pubsub.v1.ListSubscriptionsRequest request,
-        io.grpc.stub.StreamObserver
-            responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getListSubscriptionsMethod(), responseObserver);
+    default void listSubscriptions(com.google.pubsub.v1.ListSubscriptionsRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getListSubscriptionsMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Deletes an existing subscription. All messages retained in the subscription
      * are immediately dropped. Calls to `Pull` after deletion will return
@@ -815,16 +629,12 @@ default void listSubscriptions(
      * subscription or its topic unless the same topic is specified.
      * 
        
      */
-    default void deleteSubscription(
-        com.google.pubsub.v1.DeleteSubscriptionRequest request,
+    default void deleteSubscription(com.google.pubsub.v1.DeleteSubscriptionRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getDeleteSubscriptionMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getDeleteSubscriptionMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Modifies the ack deadline for a specific message. This method is useful
      * to indicate that more time is needed to process a message by the
@@ -833,16 +643,12 @@ default void deleteSubscription(
      * subscription-level `ackDeadlineSeconds` used for subsequent messages.
      * 
        
      */
-    default void modifyAckDeadline(
-        com.google.pubsub.v1.ModifyAckDeadlineRequest request,
+    default void modifyAckDeadline(com.google.pubsub.v1.ModifyAckDeadlineRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getModifyAckDeadlineMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getModifyAckDeadlineMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Acknowledges the messages associated with the `ack_ids` in the
      * `AcknowledgeRequest`. The Pub/Sub system can remove the relevant messages
@@ -852,29 +658,22 @@ default void modifyAckDeadline(
      * than once will not result in an error.
      * 
        
      */
-    default void acknowledge(
-        com.google.pubsub.v1.AcknowledgeRequest request,
+    default void acknowledge(com.google.pubsub.v1.AcknowledgeRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getAcknowledgeMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getAcknowledgeMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Pulls messages from the server.
      * 
        
      */
-    default void pull(
-        com.google.pubsub.v1.PullRequest request,
+    default void pull(com.google.pubsub.v1.PullRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getPullMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Establishes a stream with the server, which sends messages down to the
      * client. The client streams acknowledgements and ack deadline modifications
@@ -887,13 +686,10 @@ default void pull(
      */
     default io.grpc.stub.StreamObserver streamingPull(
         io.grpc.stub.StreamObserver responseObserver) {
-      return io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall(
-          getStreamingPullMethod(), responseObserver);
+      return io.grpc.stub.ServerCalls.asyncUnimplementedStreamingCall(getStreamingPullMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Modifies the `PushConfig` for a specified subscription.
      * This may be used to change a push subscription to a pull one (signified by
@@ -902,16 +698,12 @@ default io.grpc.stub.StreamObserver s
      * continuously through the call regardless of changes to the `PushConfig`.
      * 
        
      */
-    default void modifyPushConfig(
-        com.google.pubsub.v1.ModifyPushConfigRequest request,
+    default void modifyPushConfig(com.google.pubsub.v1.ModifyPushConfigRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getModifyPushConfigMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getModifyPushConfigMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration details of a snapshot. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -920,16 +712,12 @@ default void modifyPushConfig(
      * state captured by a snapshot.
      * 
        
      */
-    default void getSnapshot(
-        com.google.pubsub.v1.GetSnapshotRequest request,
+    default void getSnapshot(com.google.pubsub.v1.GetSnapshotRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getGetSnapshotMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getGetSnapshotMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists the existing snapshots. Snapshots are used in [Seek](
      * https://cloud.google.com/pubsub/docs/replay-overview) operations, which
@@ -938,16 +726,12 @@ default void getSnapshot(
      * state captured by a snapshot.
      * 
        
      */
-    default void listSnapshots(
-        com.google.pubsub.v1.ListSnapshotsRequest request,
+    default void listSnapshots(com.google.pubsub.v1.ListSnapshotsRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getListSnapshotsMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getListSnapshotsMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Creates a snapshot from the requested subscription. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -967,34 +751,27 @@ default void listSnapshots(
      * REST API requests, you must specify a name in the request.
      * 
        
      */
-    default void createSnapshot(
-        com.google.pubsub.v1.CreateSnapshotRequest request,
+    default void createSnapshot(com.google.pubsub.v1.CreateSnapshotRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getCreateSnapshotMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getCreateSnapshotMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing snapshot. Snapshots are used in
+     * Updates an existing snapshot by updating the fields specified in the update
+     * mask. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
      * which allow you to manage message acknowledgments in bulk. That is, you can
      * set the acknowledgment state of messages in an existing subscription to the
      * state captured by a snapshot.
      * 
        
      */
-    default void updateSnapshot(
-        com.google.pubsub.v1.UpdateSnapshotRequest request,
+    default void updateSnapshot(com.google.pubsub.v1.UpdateSnapshotRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getUpdateSnapshotMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getUpdateSnapshotMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Removes an existing snapshot. Snapshots are used in [Seek]
      * (https://cloud.google.com/pubsub/docs/replay-overview) operations, which
@@ -1007,16 +784,12 @@ default void updateSnapshot(
      * snapshot or its subscription, unless the same subscription is specified.
      * 
        
      */
-    default void deleteSnapshot(
-        com.google.pubsub.v1.DeleteSnapshotRequest request,
+    default void deleteSnapshot(com.google.pubsub.v1.DeleteSnapshotRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
-      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(
-          getDeleteSnapshotMethod(), responseObserver);
+      io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getDeleteSnapshotMethod(), responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Seeks an existing subscription to a point in time or to a given snapshot,
      * whichever is provided in the request. Snapshots are used in [Seek]
@@ -1027,8 +800,7 @@ default void deleteSnapshot(
      * snapshot must be on the same topic.
      * 
        
      */
-    default void seek(
-        com.google.pubsub.v1.SeekRequest request,
+    default void seek(com.google.pubsub.v1.SeekRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ServerCalls.asyncUnimplementedUnaryCall(getSeekMethod(), responseObserver);
     }
@@ -1036,43 +808,42 @@ default void seek(
 
   /**
    * Base class for the server implementation of the service Subscriber.
-   *
    * 
            * The service that an application uses to manipulate subscriptions and to
    * consume messages from a subscription via the `Pull` method or by
    * establishing a bi-directional stream using the `StreamingPull` method.
    * 
        
    */
-  public abstract static class SubscriberImplBase implements io.grpc.BindableService, AsyncService {
+  public static abstract class SubscriberImplBase
+      implements io.grpc.BindableService, AsyncService {
 
-    @java.lang.Override
-    public final io.grpc.ServerServiceDefinition bindService() {
+    @java.lang.Override public final io.grpc.ServerServiceDefinition bindService() {
       return SubscriberGrpc.bindService(this);
     }
   }
 
   /**
    * A stub to allow clients to do asynchronous rpc calls to service Subscriber.
-   *
    * 
            * The service that an application uses to manipulate subscriptions and to
    * consume messages from a subscription via the `Pull` method or by
    * establishing a bi-directional stream using the `StreamingPull` method.
    * 
        
    */
-  public static final class SubscriberStub extends io.grpc.stub.AbstractAsyncStub {
-    private SubscriberStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+  public static final class SubscriberStub
+      extends io.grpc.stub.AbstractAsyncStub {
+    private SubscriberStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       super(channel, callOptions);
     }
 
     @java.lang.Override
-    protected SubscriberStub build(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+    protected SubscriberStub build(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       return new SubscriberStub(channel, callOptions);
     }
 
     /**
-     *
-     *
      * 
              * Creates a subscription to a given topic. See the [resource name rules]
      * (https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names).
@@ -1086,68 +857,48 @@ protected SubscriberStub build(io.grpc.Channel channel, io.grpc.CallOptions call
      * for REST API requests, you must specify a name in the request.
      * 
        
      */
-    public void createSubscription(
-        com.google.pubsub.v1.Subscription request,
+    public void createSubscription(com.google.pubsub.v1.Subscription request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getCreateSubscriptionMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getCreateSubscriptionMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration details of a subscription.
      * 
        
      */
-    public void getSubscription(
-        com.google.pubsub.v1.GetSubscriptionRequest request,
+    public void getSubscription(com.google.pubsub.v1.GetSubscriptionRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getGetSubscriptionMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getGetSubscriptionMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing subscription. Note that certain properties of a
-     * subscription, such as its topic, are not modifiable.
+     * Updates an existing subscription by updating the fields specified in the
+     * update mask. Note that certain properties of a subscription, such as its
+     * topic, are not modifiable.
      * 
        
      */
-    public void updateSubscription(
-        com.google.pubsub.v1.UpdateSubscriptionRequest request,
+    public void updateSubscription(com.google.pubsub.v1.UpdateSubscriptionRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getUpdateSubscriptionMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getUpdateSubscriptionMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists matching subscriptions.
      * 
        
      */
-    public void listSubscriptions(
-        com.google.pubsub.v1.ListSubscriptionsRequest request,
-        io.grpc.stub.StreamObserver
-            responseObserver) {
+    public void listSubscriptions(com.google.pubsub.v1.ListSubscriptionsRequest request,
+        io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getListSubscriptionsMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getListSubscriptionsMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Deletes an existing subscription. All messages retained in the subscription
      * are immediately dropped. Calls to `Pull` after deletion will return
@@ -1156,18 +907,13 @@ public void listSubscriptions(
      * subscription or its topic unless the same topic is specified.
      * 
        
      */
-    public void deleteSubscription(
-        com.google.pubsub.v1.DeleteSubscriptionRequest request,
+    public void deleteSubscription(com.google.pubsub.v1.DeleteSubscriptionRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getDeleteSubscriptionMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getDeleteSubscriptionMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Modifies the ack deadline for a specific message. This method is useful
      * to indicate that more time is needed to process a message by the
@@ -1176,18 +922,13 @@ public void deleteSubscription(
      * subscription-level `ackDeadlineSeconds` used for subsequent messages.
      * 
        
      */
-    public void modifyAckDeadline(
-        com.google.pubsub.v1.ModifyAckDeadlineRequest request,
+    public void modifyAckDeadline(com.google.pubsub.v1.ModifyAckDeadlineRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getModifyAckDeadlineMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getModifyAckDeadlineMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Acknowledges the messages associated with the `ack_ids` in the
      * `AcknowledgeRequest`. The Pub/Sub system can remove the relevant messages
@@ -1197,32 +938,24 @@ public void modifyAckDeadline(
      * than once will not result in an error.
      * 
        
      */
-    public void acknowledge(
-        com.google.pubsub.v1.AcknowledgeRequest request,
+    public void acknowledge(com.google.pubsub.v1.AcknowledgeRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getAcknowledgeMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getAcknowledgeMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Pulls messages from the server.
      * 
        
      */
-    public void pull(
-        com.google.pubsub.v1.PullRequest request,
+    public void pull(com.google.pubsub.v1.PullRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getPullMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Establishes a stream with the server, which sends messages down to the
      * client. The client streams acknowledgements and ack deadline modifications
@@ -1240,8 +973,6 @@ public io.grpc.stub.StreamObserver st
     }
 
     /**
-     *
-     *
      * 
              * Modifies the `PushConfig` for a specified subscription.
      * This may be used to change a push subscription to a pull one (signified by
@@ -1250,18 +981,13 @@ public io.grpc.stub.StreamObserver st
      * continuously through the call regardless of changes to the `PushConfig`.
      * 
        
      */
-    public void modifyPushConfig(
-        com.google.pubsub.v1.ModifyPushConfigRequest request,
+    public void modifyPushConfig(com.google.pubsub.v1.ModifyPushConfigRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getModifyPushConfigMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getModifyPushConfigMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration details of a snapshot. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -1270,18 +996,13 @@ public void modifyPushConfig(
      * state captured by a snapshot.
      * 
        
      */
-    public void getSnapshot(
-        com.google.pubsub.v1.GetSnapshotRequest request,
+    public void getSnapshot(com.google.pubsub.v1.GetSnapshotRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getGetSnapshotMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getGetSnapshotMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Lists the existing snapshots. Snapshots are used in [Seek](
      * https://cloud.google.com/pubsub/docs/replay-overview) operations, which
@@ -1290,18 +1011,13 @@ public void getSnapshot(
      * state captured by a snapshot.
      * 
        
      */
-    public void listSnapshots(
-        com.google.pubsub.v1.ListSnapshotsRequest request,
+    public void listSnapshots(com.google.pubsub.v1.ListSnapshotsRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getListSnapshotsMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getListSnapshotsMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Creates a snapshot from the requested subscription. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -1321,38 +1037,29 @@ public void listSnapshots(
      * REST API requests, you must specify a name in the request.
      * 
        
      */
-    public void createSnapshot(
-        com.google.pubsub.v1.CreateSnapshotRequest request,
+    public void createSnapshot(com.google.pubsub.v1.CreateSnapshotRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getCreateSnapshotMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getCreateSnapshotMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing snapshot. Snapshots are used in
+     * Updates an existing snapshot by updating the fields specified in the update
+     * mask. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
      * which allow you to manage message acknowledgments in bulk. That is, you can
      * set the acknowledgment state of messages in an existing subscription to the
      * state captured by a snapshot.
      * 
        
      */
-    public void updateSnapshot(
-        com.google.pubsub.v1.UpdateSnapshotRequest request,
+    public void updateSnapshot(com.google.pubsub.v1.UpdateSnapshotRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getUpdateSnapshotMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getUpdateSnapshotMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Removes an existing snapshot. Snapshots are used in [Seek]
      * (https://cloud.google.com/pubsub/docs/replay-overview) operations, which
@@ -1365,18 +1072,13 @@ public void updateSnapshot(
      * snapshot or its subscription, unless the same subscription is specified.
      * 
        
      */
-    public void deleteSnapshot(
-        com.google.pubsub.v1.DeleteSnapshotRequest request,
+    public void deleteSnapshot(com.google.pubsub.v1.DeleteSnapshotRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
-          getChannel().newCall(getDeleteSnapshotMethod(), getCallOptions()),
-          request,
-          responseObserver);
+          getChannel().newCall(getDeleteSnapshotMethod(), getCallOptions()), request, responseObserver);
     }
 
     /**
-     *
-     *
      * 
              * Seeks an existing subscription to a point in time or to a given snapshot,
      * whichever is provided in the request. Snapshots are used in [Seek]
@@ -1387,8 +1089,7 @@ public void deleteSnapshot(
      * snapshot must be on the same topic.
      * 
        
      */
-    public void seek(
-        com.google.pubsub.v1.SeekRequest request,
+    public void seek(com.google.pubsub.v1.SeekRequest request,
         io.grpc.stub.StreamObserver responseObserver) {
       io.grpc.stub.ClientCalls.asyncUnaryCall(
           getChannel().newCall(getSeekMethod(), getCallOptions()), request, responseObserver);
@@ -1397,7 +1098,6 @@ public void seek(
 
   /**
    * A stub to allow clients to do synchronous rpc calls to service Subscriber.
-   *
    * 
            * The service that an application uses to manipulate subscriptions and to
    * consume messages from a subscription via the `Pull` method or by
@@ -1406,7 +1106,8 @@ public void seek(
    */
   public static final class SubscriberBlockingStub
       extends io.grpc.stub.AbstractBlockingStub {
-    private SubscriberBlockingStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+    private SubscriberBlockingStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       super(channel, callOptions);
     }
 
@@ -1417,8 +1118,6 @@ protected SubscriberBlockingStub build(
     }
 
     /**
-     *
-     *
      * 
              * Creates a subscription to a given topic. See the [resource name rules]
      * (https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names).
@@ -1432,55 +1131,44 @@ protected SubscriberBlockingStub build(
      * for REST API requests, you must specify a name in the request.
      * 
        
      */
-    public com.google.pubsub.v1.Subscription createSubscription(
-        com.google.pubsub.v1.Subscription request) {
+    public com.google.pubsub.v1.Subscription createSubscription(com.google.pubsub.v1.Subscription request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getCreateSubscriptionMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration details of a subscription.
      * 
        
      */
-    public com.google.pubsub.v1.Subscription getSubscription(
-        com.google.pubsub.v1.GetSubscriptionRequest request) {
+    public com.google.pubsub.v1.Subscription getSubscription(com.google.pubsub.v1.GetSubscriptionRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetSubscriptionMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing subscription. Note that certain properties of a
-     * subscription, such as its topic, are not modifiable.
+     * Updates an existing subscription by updating the fields specified in the
+     * update mask. Note that certain properties of a subscription, such as its
+     * topic, are not modifiable.
      * 
        
      */
-    public com.google.pubsub.v1.Subscription updateSubscription(
-        com.google.pubsub.v1.UpdateSubscriptionRequest request) {
+    public com.google.pubsub.v1.Subscription updateSubscription(com.google.pubsub.v1.UpdateSubscriptionRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getUpdateSubscriptionMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Lists matching subscriptions.
      * 
        
      */
-    public com.google.pubsub.v1.ListSubscriptionsResponse listSubscriptions(
-        com.google.pubsub.v1.ListSubscriptionsRequest request) {
+    public com.google.pubsub.v1.ListSubscriptionsResponse listSubscriptions(com.google.pubsub.v1.ListSubscriptionsRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getListSubscriptionsMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Deletes an existing subscription. All messages retained in the subscription
      * are immediately dropped. Calls to `Pull` after deletion will return
@@ -1489,15 +1177,12 @@ public com.google.pubsub.v1.ListSubscriptionsResponse listSubscriptions(
      * subscription or its topic unless the same topic is specified.
      * 
        
      */
-    public com.google.protobuf.Empty deleteSubscription(
-        com.google.pubsub.v1.DeleteSubscriptionRequest request) {
+    public com.google.protobuf.Empty deleteSubscription(com.google.pubsub.v1.DeleteSubscriptionRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getDeleteSubscriptionMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Modifies the ack deadline for a specific message. This method is useful
      * to indicate that more time is needed to process a message by the
@@ -1506,15 +1191,12 @@ public com.google.protobuf.Empty deleteSubscription(
      * subscription-level `ackDeadlineSeconds` used for subsequent messages.
      * 
        
      */
-    public com.google.protobuf.Empty modifyAckDeadline(
-        com.google.pubsub.v1.ModifyAckDeadlineRequest request) {
+    public com.google.protobuf.Empty modifyAckDeadline(com.google.pubsub.v1.ModifyAckDeadlineRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getModifyAckDeadlineMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Acknowledges the messages associated with the `ack_ids` in the
      * `AcknowledgeRequest`. The Pub/Sub system can remove the relevant messages
@@ -1530,8 +1212,6 @@ public com.google.protobuf.Empty acknowledge(com.google.pubsub.v1.AcknowledgeReq
     }
 
     /**
-     *
-     *
      * 
              * Pulls messages from the server.
      * 
        
@@ -1542,8 +1222,6 @@ public com.google.pubsub.v1.PullResponse pull(com.google.pubsub.v1.PullRequest r
     }
 
     /**
-     *
-     *
      * 
              * Modifies the `PushConfig` for a specified subscription.
      * This may be used to change a push subscription to a pull one (signified by
@@ -1552,15 +1230,12 @@ public com.google.pubsub.v1.PullResponse pull(com.google.pubsub.v1.PullRequest r
      * continuously through the call regardless of changes to the `PushConfig`.
      * 
        
      */
-    public com.google.protobuf.Empty modifyPushConfig(
-        com.google.pubsub.v1.ModifyPushConfigRequest request) {
+    public com.google.protobuf.Empty modifyPushConfig(com.google.pubsub.v1.ModifyPushConfigRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getModifyPushConfigMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration details of a snapshot. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -1569,15 +1244,12 @@ public com.google.protobuf.Empty modifyPushConfig(
      * state captured by a snapshot.
      * 
        
      */
-    public com.google.pubsub.v1.Snapshot getSnapshot(
-        com.google.pubsub.v1.GetSnapshotRequest request) {
+    public com.google.pubsub.v1.Snapshot getSnapshot(com.google.pubsub.v1.GetSnapshotRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getGetSnapshotMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Lists the existing snapshots. Snapshots are used in [Seek](
      * https://cloud.google.com/pubsub/docs/replay-overview) operations, which
@@ -1586,15 +1258,12 @@ public com.google.pubsub.v1.Snapshot getSnapshot(
      * state captured by a snapshot.
      * 
        
      */
-    public com.google.pubsub.v1.ListSnapshotsResponse listSnapshots(
-        com.google.pubsub.v1.ListSnapshotsRequest request) {
+    public com.google.pubsub.v1.ListSnapshotsResponse listSnapshots(com.google.pubsub.v1.ListSnapshotsRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getListSnapshotsMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Creates a snapshot from the requested subscription. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -1614,32 +1283,27 @@ public com.google.pubsub.v1.ListSnapshotsResponse listSnapshots(
      * REST API requests, you must specify a name in the request.
      * 
        
      */
-    public com.google.pubsub.v1.Snapshot createSnapshot(
-        com.google.pubsub.v1.CreateSnapshotRequest request) {
+    public com.google.pubsub.v1.Snapshot createSnapshot(com.google.pubsub.v1.CreateSnapshotRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getCreateSnapshotMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing snapshot. Snapshots are used in
+     * Updates an existing snapshot by updating the fields specified in the update
+     * mask. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
      * which allow you to manage message acknowledgments in bulk. That is, you can
      * set the acknowledgment state of messages in an existing subscription to the
      * state captured by a snapshot.
      * 
        
      */
-    public com.google.pubsub.v1.Snapshot updateSnapshot(
-        com.google.pubsub.v1.UpdateSnapshotRequest request) {
+    public com.google.pubsub.v1.Snapshot updateSnapshot(com.google.pubsub.v1.UpdateSnapshotRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getUpdateSnapshotMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Removes an existing snapshot. Snapshots are used in [Seek]
      * (https://cloud.google.com/pubsub/docs/replay-overview) operations, which
@@ -1652,15 +1316,12 @@ public com.google.pubsub.v1.Snapshot updateSnapshot(
      * snapshot or its subscription, unless the same subscription is specified.
      * 
        
      */
-    public com.google.protobuf.Empty deleteSnapshot(
-        com.google.pubsub.v1.DeleteSnapshotRequest request) {
+    public com.google.protobuf.Empty deleteSnapshot(com.google.pubsub.v1.DeleteSnapshotRequest request) {
       return io.grpc.stub.ClientCalls.blockingUnaryCall(
           getChannel(), getDeleteSnapshotMethod(), getCallOptions(), request);
     }
 
     /**
-     *
-     *
      * 
              * Seeks an existing subscription to a point in time or to a given snapshot,
      * whichever is provided in the request. Snapshots are used in [Seek]
@@ -1679,7 +1340,6 @@ public com.google.pubsub.v1.SeekResponse seek(com.google.pubsub.v1.SeekRequest r
 
   /**
    * A stub to allow clients to do ListenableFuture-style rpc calls to service Subscriber.
-   *
    * 
            * The service that an application uses to manipulate subscriptions and to
    * consume messages from a subscription via the `Pull` method or by
@@ -1688,18 +1348,18 @@ public com.google.pubsub.v1.SeekResponse seek(com.google.pubsub.v1.SeekRequest r
    */
   public static final class SubscriberFutureStub
       extends io.grpc.stub.AbstractFutureStub {
-    private SubscriberFutureStub(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+    private SubscriberFutureStub(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       super(channel, callOptions);
     }
 
     @java.lang.Override
-    protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
+    protected SubscriberFutureStub build(
+        io.grpc.Channel channel, io.grpc.CallOptions callOptions) {
       return new SubscriberFutureStub(channel, callOptions);
     }
 
     /**
-     *
-     *
      * 
              * Creates a subscription to a given topic. See the [resource name rules]
      * (https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names).
@@ -1713,56 +1373,48 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * for REST API requests, you must specify a name in the request.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        createSubscription(com.google.pubsub.v1.Subscription request) {
+    public com.google.common.util.concurrent.ListenableFuture createSubscription(
+        com.google.pubsub.v1.Subscription request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getCreateSubscriptionMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration details of a subscription.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        getSubscription(com.google.pubsub.v1.GetSubscriptionRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture getSubscription(
+        com.google.pubsub.v1.GetSubscriptionRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetSubscriptionMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing subscription. Note that certain properties of a
-     * subscription, such as its topic, are not modifiable.
+     * Updates an existing subscription by updating the fields specified in the
+     * update mask. Note that certain properties of a subscription, such as its
+     * topic, are not modifiable.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        updateSubscription(com.google.pubsub.v1.UpdateSubscriptionRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture updateSubscription(
+        com.google.pubsub.v1.UpdateSubscriptionRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getUpdateSubscriptionMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Lists matching subscriptions.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture<
-            com.google.pubsub.v1.ListSubscriptionsResponse>
-        listSubscriptions(com.google.pubsub.v1.ListSubscriptionsRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture listSubscriptions(
+        com.google.pubsub.v1.ListSubscriptionsRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getListSubscriptionsMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Deletes an existing subscription. All messages retained in the subscription
      * are immediately dropped. Calls to `Pull` after deletion will return
@@ -1771,15 +1423,13 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * subscription or its topic unless the same topic is specified.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        deleteSubscription(com.google.pubsub.v1.DeleteSubscriptionRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture deleteSubscription(
+        com.google.pubsub.v1.DeleteSubscriptionRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getDeleteSubscriptionMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Modifies the ack deadline for a specific message. This method is useful
      * to indicate that more time is needed to process a message by the
@@ -1788,15 +1438,13 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * subscription-level `ackDeadlineSeconds` used for subsequent messages.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        modifyAckDeadline(com.google.pubsub.v1.ModifyAckDeadlineRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture modifyAckDeadline(
+        com.google.pubsub.v1.ModifyAckDeadlineRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getModifyAckDeadlineMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Acknowledges the messages associated with the `ack_ids` in the
      * `AcknowledgeRequest`. The Pub/Sub system can remove the relevant messages
@@ -1806,28 +1454,24 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * than once will not result in an error.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        acknowledge(com.google.pubsub.v1.AcknowledgeRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture acknowledge(
+        com.google.pubsub.v1.AcknowledgeRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getAcknowledgeMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Pulls messages from the server.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        pull(com.google.pubsub.v1.PullRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture pull(
+        com.google.pubsub.v1.PullRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getPullMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Modifies the `PushConfig` for a specified subscription.
      * This may be used to change a push subscription to a pull one (signified by
@@ -1836,15 +1480,13 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * continuously through the call regardless of changes to the `PushConfig`.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        modifyPushConfig(com.google.pubsub.v1.ModifyPushConfigRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture modifyPushConfig(
+        com.google.pubsub.v1.ModifyPushConfigRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getModifyPushConfigMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Gets the configuration details of a snapshot. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -1853,15 +1495,13 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * state captured by a snapshot.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        getSnapshot(com.google.pubsub.v1.GetSnapshotRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture getSnapshot(
+        com.google.pubsub.v1.GetSnapshotRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getGetSnapshotMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Lists the existing snapshots. Snapshots are used in [Seek](
      * https://cloud.google.com/pubsub/docs/replay-overview) operations, which
@@ -1870,16 +1510,13 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * state captured by a snapshot.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture<
-            com.google.pubsub.v1.ListSnapshotsResponse>
-        listSnapshots(com.google.pubsub.v1.ListSnapshotsRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture listSnapshots(
+        com.google.pubsub.v1.ListSnapshotsRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getListSnapshotsMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Creates a snapshot from the requested subscription. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
@@ -1899,32 +1536,29 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * REST API requests, you must specify a name in the request.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        createSnapshot(com.google.pubsub.v1.CreateSnapshotRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture createSnapshot(
+        com.google.pubsub.v1.CreateSnapshotRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getCreateSnapshotMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
        -     * Updates an existing snapshot. Snapshots are used in
+     * Updates an existing snapshot by updating the fields specified in the update
+     * mask. Snapshots are used in
      * [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
      * which allow you to manage message acknowledgments in bulk. That is, you can
      * set the acknowledgment state of messages in an existing subscription to the
      * state captured by a snapshot.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        updateSnapshot(com.google.pubsub.v1.UpdateSnapshotRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture updateSnapshot(
+        com.google.pubsub.v1.UpdateSnapshotRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getUpdateSnapshotMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Removes an existing snapshot. Snapshots are used in [Seek]
      * (https://cloud.google.com/pubsub/docs/replay-overview) operations, which
@@ -1937,15 +1571,13 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * snapshot or its subscription, unless the same subscription is specified.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        deleteSnapshot(com.google.pubsub.v1.DeleteSnapshotRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture deleteSnapshot(
+        com.google.pubsub.v1.DeleteSnapshotRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getDeleteSnapshotMethod(), getCallOptions()), request);
     }
 
     /**
-     *
-     *
      * 
              * Seeks an existing subscription to a point in time or to a given snapshot,
      * whichever is provided in the request. Snapshots are used in [Seek]
@@ -1956,8 +1588,8 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
      * snapshot must be on the same topic.
      * 
        
      */
-    public com.google.common.util.concurrent.ListenableFuture
-        seek(com.google.pubsub.v1.SeekRequest request) {
+    public com.google.common.util.concurrent.ListenableFuture seek(
+        com.google.pubsub.v1.SeekRequest request) {
       return io.grpc.stub.ClientCalls.futureUnaryCall(
           getChannel().newCall(getSeekMethod(), getCallOptions()), request);
     }
@@ -1980,11 +1612,11 @@ protected SubscriberFutureStub build(io.grpc.Channel channel, io.grpc.CallOption
   private static final int METHODID_SEEK = 14;
   private static final int METHODID_STREAMING_PULL = 15;
 
-  private static final class MethodHandlers
-      implements io.grpc.stub.ServerCalls.UnaryMethod,
-          io.grpc.stub.ServerCalls.ServerStreamingMethod,
-          io.grpc.stub.ServerCalls.ClientStreamingMethod,
-          io.grpc.stub.ServerCalls.BidiStreamingMethod {
+  private static final class MethodHandlers implements
+      io.grpc.stub.ServerCalls.UnaryMethod,
+      io.grpc.stub.ServerCalls.ServerStreamingMethod,
+      io.grpc.stub.ServerCalls.ClientStreamingMethod,
+      io.grpc.stub.ServerCalls.BidiStreamingMethod {
     private final AsyncService serviceImpl;
     private final int methodId;
 
@@ -1998,80 +1630,63 @@ private static final class MethodHandlers
     public void invoke(Req request, io.grpc.stub.StreamObserver responseObserver) {
       switch (methodId) {
         case METHODID_CREATE_SUBSCRIPTION:
-          serviceImpl.createSubscription(
-              (com.google.pubsub.v1.Subscription) request,
+          serviceImpl.createSubscription((com.google.pubsub.v1.Subscription) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_GET_SUBSCRIPTION:
-          serviceImpl.getSubscription(
-              (com.google.pubsub.v1.GetSubscriptionRequest) request,
+          serviceImpl.getSubscription((com.google.pubsub.v1.GetSubscriptionRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_UPDATE_SUBSCRIPTION:
-          serviceImpl.updateSubscription(
-              (com.google.pubsub.v1.UpdateSubscriptionRequest) request,
+          serviceImpl.updateSubscription((com.google.pubsub.v1.UpdateSubscriptionRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_LIST_SUBSCRIPTIONS:
-          serviceImpl.listSubscriptions(
-              (com.google.pubsub.v1.ListSubscriptionsRequest) request,
-              (io.grpc.stub.StreamObserver)
-                  responseObserver);
+          serviceImpl.listSubscriptions((com.google.pubsub.v1.ListSubscriptionsRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_DELETE_SUBSCRIPTION:
-          serviceImpl.deleteSubscription(
-              (com.google.pubsub.v1.DeleteSubscriptionRequest) request,
+          serviceImpl.deleteSubscription((com.google.pubsub.v1.DeleteSubscriptionRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_MODIFY_ACK_DEADLINE:
-          serviceImpl.modifyAckDeadline(
-              (com.google.pubsub.v1.ModifyAckDeadlineRequest) request,
+          serviceImpl.modifyAckDeadline((com.google.pubsub.v1.ModifyAckDeadlineRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_ACKNOWLEDGE:
-          serviceImpl.acknowledge(
-              (com.google.pubsub.v1.AcknowledgeRequest) request,
+          serviceImpl.acknowledge((com.google.pubsub.v1.AcknowledgeRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_PULL:
-          serviceImpl.pull(
-              (com.google.pubsub.v1.PullRequest) request,
+          serviceImpl.pull((com.google.pubsub.v1.PullRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_MODIFY_PUSH_CONFIG:
-          serviceImpl.modifyPushConfig(
-              (com.google.pubsub.v1.ModifyPushConfigRequest) request,
+          serviceImpl.modifyPushConfig((com.google.pubsub.v1.ModifyPushConfigRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_GET_SNAPSHOT:
-          serviceImpl.getSnapshot(
-              (com.google.pubsub.v1.GetSnapshotRequest) request,
+          serviceImpl.getSnapshot((com.google.pubsub.v1.GetSnapshotRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_LIST_SNAPSHOTS:
-          serviceImpl.listSnapshots(
-              (com.google.pubsub.v1.ListSnapshotsRequest) request,
-              (io.grpc.stub.StreamObserver)
-                  responseObserver);
+          serviceImpl.listSnapshots((com.google.pubsub.v1.ListSnapshotsRequest) request,
+              (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_CREATE_SNAPSHOT:
-          serviceImpl.createSnapshot(
-              (com.google.pubsub.v1.CreateSnapshotRequest) request,
+          serviceImpl.createSnapshot((com.google.pubsub.v1.CreateSnapshotRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_UPDATE_SNAPSHOT:
-          serviceImpl.updateSnapshot(
-              (com.google.pubsub.v1.UpdateSnapshotRequest) request,
+          serviceImpl.updateSnapshot((com.google.pubsub.v1.UpdateSnapshotRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_DELETE_SNAPSHOT:
-          serviceImpl.deleteSnapshot(
-              (com.google.pubsub.v1.DeleteSnapshotRequest) request,
+          serviceImpl.deleteSnapshot((com.google.pubsub.v1.DeleteSnapshotRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         case METHODID_SEEK:
-          serviceImpl.seek(
-              (com.google.pubsub.v1.SeekRequest) request,
+          serviceImpl.seek((com.google.pubsub.v1.SeekRequest) request,
               (io.grpc.stub.StreamObserver) responseObserver);
           break;
         default:
@@ -2085,10 +1700,8 @@ public io.grpc.stub.StreamObserver invoke(
         io.grpc.stub.StreamObserver responseObserver) {
       switch (methodId) {
         case METHODID_STREAMING_PULL:
-          return (io.grpc.stub.StreamObserver)
-              serviceImpl.streamingPull(
-                  (io.grpc.stub.StreamObserver)
-                      responseObserver);
+          return (io.grpc.stub.StreamObserver) serviceImpl.streamingPull(
+              (io.grpc.stub.StreamObserver) responseObserver);
         default:
           throw new AssertionError();
       }
@@ -2098,108 +1711,122 @@ public io.grpc.stub.StreamObserver invoke(
   public static final io.grpc.ServerServiceDefinition bindService(AsyncService service) {
     return io.grpc.ServerServiceDefinition.builder(getServiceDescriptor())
         .addMethod(
-            getCreateSubscriptionMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription>(
-                    service, METHODID_CREATE_SUBSCRIPTION)))
+          getCreateSubscriptionMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.Subscription,
+              com.google.pubsub.v1.Subscription>(
+                service, METHODID_CREATE_SUBSCRIPTION)))
         .addMethod(
-            getGetSubscriptionMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.GetSubscriptionRequest, com.google.pubsub.v1.Subscription>(
-                    service, METHODID_GET_SUBSCRIPTION)))
+          getGetSubscriptionMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.GetSubscriptionRequest,
+              com.google.pubsub.v1.Subscription>(
+                service, METHODID_GET_SUBSCRIPTION)))
         .addMethod(
-            getUpdateSubscriptionMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.UpdateSubscriptionRequest,
-                    com.google.pubsub.v1.Subscription>(service, METHODID_UPDATE_SUBSCRIPTION)))
+          getUpdateSubscriptionMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.UpdateSubscriptionRequest,
+              com.google.pubsub.v1.Subscription>(
+                service, METHODID_UPDATE_SUBSCRIPTION)))
         .addMethod(
-            getListSubscriptionsMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.ListSubscriptionsRequest,
-                    com.google.pubsub.v1.ListSubscriptionsResponse>(
-                    service, METHODID_LIST_SUBSCRIPTIONS)))
+          getListSubscriptionsMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ListSubscriptionsRequest,
+              com.google.pubsub.v1.ListSubscriptionsResponse>(
+                service, METHODID_LIST_SUBSCRIPTIONS)))
         .addMethod(
-            getDeleteSubscriptionMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.DeleteSubscriptionRequest, com.google.protobuf.Empty>(
-                    service, METHODID_DELETE_SUBSCRIPTION)))
+          getDeleteSubscriptionMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.DeleteSubscriptionRequest,
+              com.google.protobuf.Empty>(
+                service, METHODID_DELETE_SUBSCRIPTION)))
         .addMethod(
-            getModifyAckDeadlineMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.ModifyAckDeadlineRequest, com.google.protobuf.Empty>(
-                    service, METHODID_MODIFY_ACK_DEADLINE)))
+          getModifyAckDeadlineMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ModifyAckDeadlineRequest,
+              com.google.protobuf.Empty>(
+                service, METHODID_MODIFY_ACK_DEADLINE)))
         .addMethod(
-            getAcknowledgeMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.AcknowledgeRequest, com.google.protobuf.Empty>(
-                    service, METHODID_ACKNOWLEDGE)))
+          getAcknowledgeMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.AcknowledgeRequest,
+              com.google.protobuf.Empty>(
+                service, METHODID_ACKNOWLEDGE)))
         .addMethod(
-            getPullMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.PullRequest, com.google.pubsub.v1.PullResponse>(
-                    service, METHODID_PULL)))
+          getPullMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.PullRequest,
+              com.google.pubsub.v1.PullResponse>(
+                service, METHODID_PULL)))
         .addMethod(
-            getStreamingPullMethod(),
-            io.grpc.stub.ServerCalls.asyncBidiStreamingCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.StreamingPullRequest,
-                    com.google.pubsub.v1.StreamingPullResponse>(service, METHODID_STREAMING_PULL)))
+          getStreamingPullMethod(),
+          io.grpc.stub.ServerCalls.asyncBidiStreamingCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.StreamingPullRequest,
+              com.google.pubsub.v1.StreamingPullResponse>(
+                service, METHODID_STREAMING_PULL)))
         .addMethod(
-            getModifyPushConfigMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.ModifyPushConfigRequest, com.google.protobuf.Empty>(
-                    service, METHODID_MODIFY_PUSH_CONFIG)))
+          getModifyPushConfigMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ModifyPushConfigRequest,
+              com.google.protobuf.Empty>(
+                service, METHODID_MODIFY_PUSH_CONFIG)))
         .addMethod(
-            getGetSnapshotMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.GetSnapshotRequest, com.google.pubsub.v1.Snapshot>(
-                    service, METHODID_GET_SNAPSHOT)))
+          getGetSnapshotMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.GetSnapshotRequest,
+              com.google.pubsub.v1.Snapshot>(
+                service, METHODID_GET_SNAPSHOT)))
         .addMethod(
-            getListSnapshotsMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.ListSnapshotsRequest,
-                    com.google.pubsub.v1.ListSnapshotsResponse>(service, METHODID_LIST_SNAPSHOTS)))
+          getListSnapshotsMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.ListSnapshotsRequest,
+              com.google.pubsub.v1.ListSnapshotsResponse>(
+                service, METHODID_LIST_SNAPSHOTS)))
         .addMethod(
-            getCreateSnapshotMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.CreateSnapshotRequest, com.google.pubsub.v1.Snapshot>(
-                    service, METHODID_CREATE_SNAPSHOT)))
+          getCreateSnapshotMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.CreateSnapshotRequest,
+              com.google.pubsub.v1.Snapshot>(
+                service, METHODID_CREATE_SNAPSHOT)))
         .addMethod(
-            getUpdateSnapshotMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.UpdateSnapshotRequest, com.google.pubsub.v1.Snapshot>(
-                    service, METHODID_UPDATE_SNAPSHOT)))
+          getUpdateSnapshotMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.UpdateSnapshotRequest,
+              com.google.pubsub.v1.Snapshot>(
+                service, METHODID_UPDATE_SNAPSHOT)))
         .addMethod(
-            getDeleteSnapshotMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.DeleteSnapshotRequest, com.google.protobuf.Empty>(
-                    service, METHODID_DELETE_SNAPSHOT)))
+          getDeleteSnapshotMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.DeleteSnapshotRequest,
+              com.google.protobuf.Empty>(
+                service, METHODID_DELETE_SNAPSHOT)))
         .addMethod(
-            getSeekMethod(),
-            io.grpc.stub.ServerCalls.asyncUnaryCall(
-                new MethodHandlers<
-                    com.google.pubsub.v1.SeekRequest, com.google.pubsub.v1.SeekResponse>(
-                    service, METHODID_SEEK)))
+          getSeekMethod(),
+          io.grpc.stub.ServerCalls.asyncUnaryCall(
+            new MethodHandlers<
+              com.google.pubsub.v1.SeekRequest,
+              com.google.pubsub.v1.SeekResponse>(
+                service, METHODID_SEEK)))
         .build();
   }
 
-  private abstract static class SubscriberBaseDescriptorSupplier
-      implements io.grpc.protobuf.ProtoFileDescriptorSupplier,
-          io.grpc.protobuf.ProtoServiceDescriptorSupplier {
+  private static abstract class SubscriberBaseDescriptorSupplier
+      implements io.grpc.protobuf.ProtoFileDescriptorSupplier, io.grpc.protobuf.ProtoServiceDescriptorSupplier {
     SubscriberBaseDescriptorSupplier() {}
 
     @java.lang.Override
@@ -2241,27 +1868,25 @@ public static io.grpc.ServiceDescriptor getServiceDescriptor() {
       synchronized (SubscriberGrpc.class) {
         result = serviceDescriptor;
         if (result == null) {
-          serviceDescriptor =
-              result =
-                  io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
-                      .setSchemaDescriptor(new SubscriberFileDescriptorSupplier())
-                      .addMethod(getCreateSubscriptionMethod())
-                      .addMethod(getGetSubscriptionMethod())
-                      .addMethod(getUpdateSubscriptionMethod())
-                      .addMethod(getListSubscriptionsMethod())
-                      .addMethod(getDeleteSubscriptionMethod())
-                      .addMethod(getModifyAckDeadlineMethod())
-                      .addMethod(getAcknowledgeMethod())
-                      .addMethod(getPullMethod())
-                      .addMethod(getStreamingPullMethod())
-                      .addMethod(getModifyPushConfigMethod())
-                      .addMethod(getGetSnapshotMethod())
-                      .addMethod(getListSnapshotsMethod())
-                      .addMethod(getCreateSnapshotMethod())
-                      .addMethod(getUpdateSnapshotMethod())
-                      .addMethod(getDeleteSnapshotMethod())
-                      .addMethod(getSeekMethod())
-                      .build();
+          serviceDescriptor = result = io.grpc.ServiceDescriptor.newBuilder(SERVICE_NAME)
+              .setSchemaDescriptor(new SubscriberFileDescriptorSupplier())
+              .addMethod(getCreateSubscriptionMethod())
+              .addMethod(getGetSubscriptionMethod())
+              .addMethod(getUpdateSubscriptionMethod())
+              .addMethod(getListSubscriptionsMethod())
+              .addMethod(getDeleteSubscriptionMethod())
+              .addMethod(getModifyAckDeadlineMethod())
+              .addMethod(getAcknowledgeMethod())
+              .addMethod(getPullMethod())
+              .addMethod(getStreamingPullMethod())
+              .addMethod(getModifyPushConfigMethod())
+              .addMethod(getGetSnapshotMethod())
+              .addMethod(getListSnapshotsMethod())
+              .addMethod(getCreateSnapshotMethod())
+              .addMethod(getUpdateSnapshotMethod())
+              .addMethod(getDeleteSnapshotMethod())
+              .addMethod(getSeekMethod())
+              .build();
         }
       }
     }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequest.java
similarity index 68%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequest.java
index f118acddd..5a114d5cd 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequest.java
@@ -1,84 +1,60 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the Acknowledge method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.AcknowledgeRequest}
  */
-public final class AcknowledgeRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class AcknowledgeRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.AcknowledgeRequest)
     AcknowledgeRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use AcknowledgeRequest.newBuilder() to construct.
   private AcknowledgeRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private AcknowledgeRequest() {
     subscription_ = "";
-    ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    ackIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new AcknowledgeRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_AcknowledgeRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_AcknowledgeRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_AcknowledgeRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_AcknowledgeRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.AcknowledgeRequest.class,
-            com.google.pubsub.v1.AcknowledgeRequest.Builder.class);
+            com.google.pubsub.v1.AcknowledgeRequest.class, com.google.pubsub.v1.AcknowledgeRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The subscription whose message is being acknowledged.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -87,32 +63,30 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The subscription whose message is being acknowledged.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -121,13 +95,10 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   }
 
   public static final int ACK_IDS_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private com.google.protobuf.LazyStringArrayList ackIds_ =
       com.google.protobuf.LazyStringArrayList.emptyList();
   /**
-   *
-   *
    * 
            * Required. The acknowledgment ID for the messages being acknowledged that
    * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -135,15 +106,13 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
    * 
        
    *
    * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return A list containing the ackIds.
    */
-  public com.google.protobuf.ProtocolStringList getAckIdsList() {
+  public com.google.protobuf.ProtocolStringList
+      getAckIdsList() {
     return ackIds_;
   }
   /**
-   *
-   *
    * 
            * Required. The acknowledgment ID for the messages being acknowledged that
    * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -151,15 +120,12 @@ public com.google.protobuf.ProtocolStringList getAckIdsList() {
    * 
        
    *
    * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The count of ackIds.
    */
   public int getAckIdsCount() {
     return ackIds_.size();
   }
   /**
-   *
-   *
    * 
            * Required. The acknowledgment ID for the messages being acknowledged that
    * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -167,7 +133,6 @@ public int getAckIdsCount() {
    * 
        
    *
    * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @param index The index of the element to return.
    * @return The ackIds at the given index.
    */
@@ -175,8 +140,6 @@ public java.lang.String getAckIds(int index) {
     return ackIds_.get(index);
   }
   /**
-   *
-   *
    * 
            * Required. The acknowledgment ID for the messages being acknowledged that
    * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -184,16 +147,15 @@ public java.lang.String getAckIds(int index) {
    * 
        
    *
    * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @param index The index of the value to return.
    * @return The bytes of the ackIds at the given index.
    */
-  public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+  public com.google.protobuf.ByteString
+      getAckIdsBytes(int index) {
     return ackIds_.getByteString(index);
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -205,7 +167,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
     }
@@ -240,15 +203,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.AcknowledgeRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.AcknowledgeRequest other = (com.google.pubsub.v1.AcknowledgeRequest) obj;
 
-    if (!getSubscription().equals(other.getSubscription())) return false;
-    if (!getAckIdsList().equals(other.getAckIdsList())) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
+    if (!getAckIdsList()
+        .equals(other.getAckIdsList())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -271,149 +236,146 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.AcknowledgeRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.AcknowledgeRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.AcknowledgeRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.AcknowledgeRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.AcknowledgeRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the Acknowledge method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.AcknowledgeRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.AcknowledgeRequest)
       com.google.pubsub.v1.AcknowledgeRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_AcknowledgeRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_AcknowledgeRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_AcknowledgeRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_AcknowledgeRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.AcknowledgeRequest.class,
-              com.google.pubsub.v1.AcknowledgeRequest.Builder.class);
+              com.google.pubsub.v1.AcknowledgeRequest.class, com.google.pubsub.v1.AcknowledgeRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.AcknowledgeRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
       bitField0_ = 0;
       subscription_ = "";
-      ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      ackIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
       return this;
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_AcknowledgeRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_AcknowledgeRequest_descriptor;
     }
 
     @java.lang.Override
@@ -432,11 +394,8 @@ public com.google.pubsub.v1.AcknowledgeRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.AcknowledgeRequest buildPartial() {
-      com.google.pubsub.v1.AcknowledgeRequest result =
-          new com.google.pubsub.v1.AcknowledgeRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.AcknowledgeRequest result = new com.google.pubsub.v1.AcknowledgeRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -456,39 +415,38 @@ private void buildPartial0(com.google.pubsub.v1.AcknowledgeRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.AcknowledgeRequest) {
-        return mergeFrom((com.google.pubsub.v1.AcknowledgeRequest) other);
+        return mergeFrom((com.google.pubsub.v1.AcknowledgeRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -538,26 +496,23 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureAckIdsIsMutable();
-                ackIds_.add(s);
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              java.lang.String s = input.readStringRequireUtf8();
+              ensureAckIdsIsMutable();
+              ackIds_.add(s);
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -567,28 +522,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The subscription whose message is being acknowledged.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -597,24 +547,21 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription whose message is being acknowledged.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -622,41 +569,30 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription whose message is being acknowledged.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription whose message is being acknowledged.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -666,24 +602,18 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription whose message is being acknowledged.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
@@ -693,7 +623,6 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
 
     private com.google.protobuf.LazyStringArrayList ackIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
-
     private void ensureAckIdsIsMutable() {
       if (!ackIds_.isModifiable()) {
         ackIds_ = new com.google.protobuf.LazyStringArrayList(ackIds_);
@@ -701,8 +630,6 @@ private void ensureAckIdsIsMutable() {
       bitField0_ |= 0x00000002;
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -710,16 +637,14 @@ private void ensureAckIdsIsMutable() {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return A list containing the ackIds.
      */
-    public com.google.protobuf.ProtocolStringList getAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getAckIdsList() {
       ackIds_.makeImmutable();
       return ackIds_;
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -727,15 +652,12 @@ public com.google.protobuf.ProtocolStringList getAckIdsList() {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The count of ackIds.
      */
     public int getAckIdsCount() {
       return ackIds_.size();
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -743,7 +665,6 @@ public int getAckIdsCount() {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param index The index of the element to return.
      * @return The ackIds at the given index.
      */
@@ -751,8 +672,6 @@ public java.lang.String getAckIds(int index) {
       return ackIds_.get(index);
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -760,16 +679,14 @@ public java.lang.String getAckIds(int index) {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param index The index of the value to return.
      * @return The bytes of the ackIds at the given index.
      */
-    public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getAckIdsBytes(int index) {
       return ackIds_.getByteString(index);
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -777,15 +694,13 @@ public com.google.protobuf.ByteString getAckIdsBytes(int index) {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param index The index to set the value at.
      * @param value The ackIds to set.
      * @return This builder for chaining.
      */
-    public Builder setAckIds(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setAckIds(
+        int index, java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureAckIdsIsMutable();
       ackIds_.set(index, value);
       bitField0_ |= 0x00000002;
@@ -793,8 +708,6 @@ public Builder setAckIds(int index, java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -802,14 +715,12 @@ public Builder setAckIds(int index, java.lang.String value) {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAckIds(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addAckIds(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureAckIdsIsMutable();
       ackIds_.add(value);
       bitField0_ |= 0x00000002;
@@ -817,8 +728,6 @@ public Builder addAckIds(java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -826,20 +735,19 @@ public Builder addAckIds(java.lang.String value) {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param values The ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAllAckIds(java.lang.Iterable values) {
+    public Builder addAllAckIds(
+        java.lang.Iterable values) {
       ensureAckIdsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, ackIds_);
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, ackIds_);
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -847,19 +755,16 @@ public Builder addAllAckIds(java.lang.Iterable values) {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearAckIds() {
-      ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000002);
-      ;
+      ackIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000002);;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The acknowledgment ID for the messages being acknowledged that
      * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -867,14 +772,12 @@ public Builder clearAckIds() {
      * 
        
      *
      * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The bytes of the ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addAckIdsBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       ensureAckIdsIsMutable();
       ackIds_.add(value);
@@ -882,9 +785,9 @@ public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -894,12 +797,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.AcknowledgeRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.AcknowledgeRequest)
   private static final com.google.pubsub.v1.AcknowledgeRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.AcknowledgeRequest();
   }
@@ -908,27 +811,27 @@ public static com.google.pubsub.v1.AcknowledgeRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public AcknowledgeRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public AcknowledgeRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -943,4 +846,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.AcknowledgeRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequestOrBuilder.java
similarity index 65%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequestOrBuilder.java
index ef4ff0f2c..3f461f31d 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/AcknowledgeRequestOrBuilder.java
@@ -1,62 +1,35 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface AcknowledgeRequestOrBuilder
-    extends
+public interface AcknowledgeRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.AcknowledgeRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The subscription whose message is being acknowledged.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   java.lang.String getSubscription();
   /**
-   *
-   *
    * 
            * Required. The subscription whose message is being acknowledged.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
-  com.google.protobuf.ByteString getSubscriptionBytes();
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
 
   /**
-   *
-   *
    * 
            * Required. The acknowledgment ID for the messages being acknowledged that
    * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -64,13 +37,11 @@ public interface AcknowledgeRequestOrBuilder
    * 
        
    *
    * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return A list containing the ackIds.
    */
-  java.util.List getAckIdsList();
+  java.util.List
+      getAckIdsList();
   /**
-   *
-   *
    * 
            * Required. The acknowledgment ID for the messages being acknowledged that
    * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -78,13 +49,10 @@ public interface AcknowledgeRequestOrBuilder
    * 
        
    *
    * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The count of ackIds.
    */
   int getAckIdsCount();
   /**
-   *
-   *
    * 
            * Required. The acknowledgment ID for the messages being acknowledged that
    * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -92,14 +60,11 @@ public interface AcknowledgeRequestOrBuilder
    * 
        
    *
    * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @param index The index of the element to return.
    * @return The ackIds at the given index.
    */
   java.lang.String getAckIds(int index);
   /**
-   *
-   *
    * 
            * Required. The acknowledgment ID for the messages being acknowledged that
    * was returned by the Pub/Sub system in the `Pull` response. Must not be
@@ -107,9 +72,9 @@ public interface AcknowledgeRequestOrBuilder
    * 
        
    *
    * repeated string ack_ids = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @param index The index of the value to return.
    * @return The bytes of the ackIds at the given index.
    */
-  com.google.protobuf.ByteString getAckIdsBytes(int index);
+  com.google.protobuf.ByteString
+      getAckIdsBytes(int index);
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfig.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfig.java
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfig.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfig.java
index efe3a0cc6..6981f1a90 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfig.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfig.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Configuration for a BigQuery subscription.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.BigQueryConfig}
  */
-public final class BigQueryConfig extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class BigQueryConfig extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.BigQueryConfig)
     BigQueryConfigOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use BigQueryConfig.newBuilder() to construct.
   private BigQueryConfig(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private BigQueryConfig() {
     table_ = "";
     state_ = 0;
@@ -44,38 +26,34 @@ private BigQueryConfig() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new BigQueryConfig();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_BigQueryConfig_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_BigQueryConfig_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_BigQueryConfig_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_BigQueryConfig_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.BigQueryConfig.class,
-            com.google.pubsub.v1.BigQueryConfig.Builder.class);
+            com.google.pubsub.v1.BigQueryConfig.class, com.google.pubsub.v1.BigQueryConfig.Builder.class);
   }
 
   /**
-   *
-   *
    * 
            * Possible states for a BigQuery subscription.
    * 
        
    *
    * Protobuf enum {@code google.pubsub.v1.BigQueryConfig.State}
    */
-  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+  public enum State
+      implements com.google.protobuf.ProtocolMessageEnum {
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -84,8 +62,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     STATE_UNSPECIFIED(0),
     /**
-     *
-     *
      * 
              * The subscription can actively send messages to BigQuery
      * 
        
@@ -94,8 +70,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     ACTIVE(1),
     /**
-     *
-     *
      * 
              * Cannot write to the BigQuery table because of permission denied errors.
      * This can happen if
@@ -109,8 +83,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     PERMISSION_DENIED(2),
     /**
-     *
-     *
      * 
              * Cannot write to the BigQuery table because it does not exist.
      * 
        
@@ -119,8 +91,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     NOT_FOUND(3),
     /**
-     *
-     *
      * 
              * Cannot write to the BigQuery table due to a schema mismatch.
      * 
        
@@ -128,12 +98,19 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      * SCHEMA_MISMATCH = 4;
      */
     SCHEMA_MISMATCH(4),
+    /**
+     * 
        +     * Cannot write to the destination because enforce_in_transit is set to true
+     * and the destination locations are not in the allowed regions.
+     * 
        
+     *
+     * IN_TRANSIT_LOCATION_RESTRICTION = 5;
+     */
+    IN_TRANSIT_LOCATION_RESTRICTION(5),
     UNRECOGNIZED(-1),
     ;
 
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -142,8 +119,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int STATE_UNSPECIFIED_VALUE = 0;
     /**
-     *
-     *
      * 
              * The subscription can actively send messages to BigQuery
      * 
        
@@ -152,8 +127,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int ACTIVE_VALUE = 1;
     /**
-     *
-     *
      * 
              * Cannot write to the BigQuery table because of permission denied errors.
      * This can happen if
@@ -167,8 +140,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int PERMISSION_DENIED_VALUE = 2;
     /**
-     *
-     *
      * 
              * Cannot write to the BigQuery table because it does not exist.
      * 
        
@@ -177,8 +148,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int NOT_FOUND_VALUE = 3;
     /**
-     *
-     *
      * 
              * Cannot write to the BigQuery table due to a schema mismatch.
      * 
        
@@ -186,6 +155,16 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      * SCHEMA_MISMATCH = 4;
      */
     public static final int SCHEMA_MISMATCH_VALUE = 4;
+    /**
+     * 
        +     * Cannot write to the destination because enforce_in_transit is set to true
+     * and the destination locations are not in the allowed regions.
+     * 
        
+     *
+     * IN_TRANSIT_LOCATION_RESTRICTION = 5;
+     */
+    public static final int IN_TRANSIT_LOCATION_RESTRICTION_VALUE = 5;
+
 
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
@@ -211,53 +190,52 @@ public static State valueOf(int value) {
      */
     public static State forNumber(int value) {
       switch (value) {
-        case 0:
-          return STATE_UNSPECIFIED;
-        case 1:
-          return ACTIVE;
-        case 2:
-          return PERMISSION_DENIED;
-        case 3:
-          return NOT_FOUND;
-        case 4:
-          return SCHEMA_MISMATCH;
-        default:
-          return null;
+        case 0: return STATE_UNSPECIFIED;
+        case 1: return ACTIVE;
+        case 2: return PERMISSION_DENIED;
+        case 3: return NOT_FOUND;
+        case 4: return SCHEMA_MISMATCH;
+        case 5: return IN_TRANSIT_LOCATION_RESTRICTION;
+        default: return null;
       }
     }
 
-    public static com.google.protobuf.Internal.EnumLiteMap internalGetValueMap() {
+    public static com.google.protobuf.Internal.EnumLiteMap
+        internalGetValueMap() {
       return internalValueMap;
     }
+    private static final com.google.protobuf.Internal.EnumLiteMap<
+        State> internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap() {
+            public State findValueByNumber(int number) {
+              return State.forNumber(number);
+            }
+          };
 
-    private static final com.google.protobuf.Internal.EnumLiteMap internalValueMap =
-        new com.google.protobuf.Internal.EnumLiteMap() {
-          public State findValueByNumber(int number) {
-            return State.forNumber(number);
-          }
-        };
-
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor
+        getValueDescriptor() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalStateException(
             "Can't get the descriptor of an unrecognized enum value.");
       }
       return getDescriptor().getValues().get(ordinal());
     }
-
-    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+    public final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptorForType() {
       return getDescriptor();
     }
-
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptor() {
       return com.google.pubsub.v1.BigQueryConfig.getDescriptor().getEnumTypes().get(0);
     }
 
     private static final State[] VALUES = values();
 
-    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+    public static State valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
       if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+        throw new java.lang.IllegalArgumentException(
+          "EnumValueDescriptor is not for this type.");
       }
       if (desc.getIndex() == -1) {
         return UNRECOGNIZED;
@@ -275,19 +253,15 @@ private State(int value) {
   }
 
   public static final int TABLE_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object table_ = "";
   /**
-   *
-   *
    * 
        -   * The name of the table to which to write data, of the form
+   * Optional. The name of the table to which to write data, of the form
    * {projectId}.{datasetId}.{tableId}
    * 
        
    *
-   * string table = 1;
-   *
+   * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The table.
    */
   @java.lang.Override
@@ -296,30 +270,30 @@ public java.lang.String getTable() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       table_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The name of the table to which to write data, of the form
+   * Optional. The name of the table to which to write data, of the form
    * {projectId}.{datasetId}.{tableId}
    * 
        
    *
-   * string table = 1;
-   *
+   * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for table.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getTableBytes() {
+  public com.google.protobuf.ByteString
+      getTableBytes() {
     java.lang.Object ref = table_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       table_ = b;
       return b;
     } else {
@@ -330,8 +304,6 @@ public com.google.protobuf.ByteString getTableBytes() {
   public static final int USE_TOPIC_SCHEMA_FIELD_NUMBER = 2;
   private boolean useTopicSchema_ = false;
   /**
-   *
-   *
    * 
            * Optional. When true, use the topic's schema as the columns to write to in
    * BigQuery, if it exists. `use_topic_schema` and `use_table_schema` cannot be
@@ -339,7 +311,6 @@ public com.google.protobuf.ByteString getTableBytes() {
    * 
        
    *
    * bool use_topic_schema = 2 [(.google.api.field_behavior) = OPTIONAL];
-   *
    * @return The useTopicSchema.
    */
   @java.lang.Override
@@ -350,18 +321,15 @@ public boolean getUseTopicSchema() {
   public static final int WRITE_METADATA_FIELD_NUMBER = 3;
   private boolean writeMetadata_ = false;
   /**
-   *
-   *
    * 
        -   * When true, write the subscription name, message_id, publish_time,
+   * Optional. When true, write the subscription name, message_id, publish_time,
    * attributes, and ordering_key to additional columns in the table. The
    * subscription name, message_id, and publish_time fields are put in their own
    * columns while all other message properties (other than data) are written to
    * a JSON object in the attributes column.
    * 
        
    *
-   * bool write_metadata = 3;
-   *
+   * bool write_metadata = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The writeMetadata.
    */
   @java.lang.Override
@@ -372,18 +340,15 @@ public boolean getWriteMetadata() {
   public static final int DROP_UNKNOWN_FIELDS_FIELD_NUMBER = 4;
   private boolean dropUnknownFields_ = false;
   /**
-   *
-   *
    * 
        -   * When true and use_topic_schema is true, any fields that are a part of the
-   * topic schema that are not part of the BigQuery table schema are dropped
-   * when writing to BigQuery. Otherwise, the schemas must be kept in sync and
-   * any messages with extra fields are not written and remain in the
+   * Optional. When true and use_topic_schema is true, any fields that are a
+   * part of the topic schema that are not part of the BigQuery table schema are
+   * dropped when writing to BigQuery. Otherwise, the schemas must be kept in
+   * sync and any messages with extra fields are not written and remain in the
    * subscription's backlog.
    * 
        
    *
-   * bool drop_unknown_fields = 4;
-   *
+   * bool drop_unknown_fields = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The dropUnknownFields.
    */
   @java.lang.Override
@@ -394,49 +359,34 @@ public boolean getDropUnknownFields() {
   public static final int STATE_FIELD_NUMBER = 5;
   private int state_ = 0;
   /**
-   *
-   *
    * 
            * Output only. An output-only field that indicates whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The enum numeric value on the wire for state.
    */
-  @java.lang.Override
-  public int getStateValue() {
+  @java.lang.Override public int getStateValue() {
     return state_;
   }
   /**
-   *
-   *
    * 
            * Output only. An output-only field that indicates whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The state.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.BigQueryConfig.State getState() {
-    com.google.pubsub.v1.BigQueryConfig.State result =
-        com.google.pubsub.v1.BigQueryConfig.State.forNumber(state_);
+  @java.lang.Override public com.google.pubsub.v1.BigQueryConfig.State getState() {
+    com.google.pubsub.v1.BigQueryConfig.State result = com.google.pubsub.v1.BigQueryConfig.State.forNumber(state_);
     return result == null ? com.google.pubsub.v1.BigQueryConfig.State.UNRECOGNIZED : result;
   }
 
   public static final int USE_TABLE_SCHEMA_FIELD_NUMBER = 6;
   private boolean useTableSchema_ = false;
   /**
-   *
-   *
    * 
            * Optional. When true, use the BigQuery table's schema as the columns to
    * write to in BigQuery. `use_table_schema` and `use_topic_schema` cannot be
@@ -444,7 +394,6 @@ public com.google.pubsub.v1.BigQueryConfig.State getState() {
    * 
        
    *
    * bool use_table_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
-   *
    * @return The useTableSchema.
    */
   @java.lang.Override
@@ -453,7 +402,6 @@ public boolean getUseTableSchema() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -465,7 +413,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(table_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, table_);
     }
@@ -497,19 +446,24 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, table_);
     }
     if (useTopicSchema_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(2, useTopicSchema_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(2, useTopicSchema_);
     }
     if (writeMetadata_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(3, writeMetadata_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(3, writeMetadata_);
     }
     if (dropUnknownFields_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(4, dropUnknownFields_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(4, dropUnknownFields_);
     }
     if (state_ != com.google.pubsub.v1.BigQueryConfig.State.STATE_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(5, state_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(5, state_);
     }
     if (useTableSchema_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(6, useTableSchema_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(6, useTableSchema_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -519,19 +473,24 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.BigQueryConfig)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.BigQueryConfig other = (com.google.pubsub.v1.BigQueryConfig) obj;
 
-    if (!getTable().equals(other.getTable())) return false;
-    if (getUseTopicSchema() != other.getUseTopicSchema()) return false;
-    if (getWriteMetadata() != other.getWriteMetadata()) return false;
-    if (getDropUnknownFields() != other.getDropUnknownFields()) return false;
+    if (!getTable()
+        .equals(other.getTable())) return false;
+    if (getUseTopicSchema()
+        != other.getUseTopicSchema()) return false;
+    if (getWriteMetadata()
+        != other.getWriteMetadata()) return false;
+    if (getDropUnknownFields()
+        != other.getDropUnknownFields()) return false;
     if (state_ != other.state_) return false;
-    if (getUseTableSchema() != other.getUseTableSchema()) return false;
+    if (getUseTableSchema()
+        != other.getUseTableSchema()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -546,149 +505,150 @@ public int hashCode() {
     hash = (37 * hash) + TABLE_FIELD_NUMBER;
     hash = (53 * hash) + getTable().hashCode();
     hash = (37 * hash) + USE_TOPIC_SCHEMA_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getUseTopicSchema());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getUseTopicSchema());
     hash = (37 * hash) + WRITE_METADATA_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getWriteMetadata());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getWriteMetadata());
     hash = (37 * hash) + DROP_UNKNOWN_FIELDS_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getDropUnknownFields());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getDropUnknownFields());
     hash = (37 * hash) + STATE_FIELD_NUMBER;
     hash = (53 * hash) + state_;
     hash = (37 * hash) + USE_TABLE_SCHEMA_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getUseTableSchema());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getUseTableSchema());
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
   }
 
-  public static com.google.pubsub.v1.BigQueryConfig parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.BigQueryConfig parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.BigQueryConfig parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.BigQueryConfig parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.BigQueryConfig parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.BigQueryConfig parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.BigQueryConfig parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.BigQueryConfig parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.BigQueryConfig parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.BigQueryConfig parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.BigQueryConfig parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.BigQueryConfig parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.BigQueryConfig parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.BigQueryConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.BigQueryConfig prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Configuration for a BigQuery subscription.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.BigQueryConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.BigQueryConfig)
       com.google.pubsub.v1.BigQueryConfigOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_BigQueryConfig_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_BigQueryConfig_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_BigQueryConfig_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_BigQueryConfig_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.BigQueryConfig.class,
-              com.google.pubsub.v1.BigQueryConfig.Builder.class);
+              com.google.pubsub.v1.BigQueryConfig.class, com.google.pubsub.v1.BigQueryConfig.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.BigQueryConfig.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -703,9 +663,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_BigQueryConfig_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_BigQueryConfig_descriptor;
     }
 
     @java.lang.Override
@@ -725,9 +685,7 @@ public com.google.pubsub.v1.BigQueryConfig build() {
     @java.lang.Override
     public com.google.pubsub.v1.BigQueryConfig buildPartial() {
       com.google.pubsub.v1.BigQueryConfig result = new com.google.pubsub.v1.BigQueryConfig(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -758,39 +716,38 @@ private void buildPartial0(com.google.pubsub.v1.BigQueryConfig result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.BigQueryConfig) {
-        return mergeFrom((com.google.pubsub.v1.BigQueryConfig) other);
+        return mergeFrom((com.google.pubsub.v1.BigQueryConfig)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -845,49 +802,42 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                table_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                useTopicSchema_ = input.readBool();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 24:
-              {
-                writeMetadata_ = input.readBool();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 24
-            case 32:
-              {
-                dropUnknownFields_ = input.readBool();
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 32
-            case 40:
-              {
-                state_ = input.readEnum();
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 40
-            case 48:
-              {
-                useTableSchema_ = input.readBool();
-                bitField0_ |= 0x00000020;
-                break;
-              } // case 48
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              table_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              useTopicSchema_ = input.readBool();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 24: {
+              writeMetadata_ = input.readBool();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 24
+            case 32: {
+              dropUnknownFields_ = input.readBool();
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 32
+            case 40: {
+              state_ = input.readEnum();
+              bitField0_ |= 0x00000010;
+              break;
+            } // case 40
+            case 48: {
+              useTableSchema_ = input.readBool();
+              bitField0_ |= 0x00000020;
+              break;
+            } // case 48
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -897,26 +847,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object table_ = "";
     /**
-     *
-     *
      * 
        -     * The name of the table to which to write data, of the form
+     * Optional. The name of the table to which to write data, of the form
      * {projectId}.{datasetId}.{tableId}
      * 
        
      *
-     * string table = 1;
-     *
+     * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The table.
      */
     public java.lang.String getTable() {
       java.lang.Object ref = table_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         table_ = s;
         return s;
@@ -925,22 +872,21 @@ public java.lang.String getTable() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The name of the table to which to write data, of the form
+     * Optional. The name of the table to which to write data, of the form
      * {projectId}.{datasetId}.{tableId}
      * 
        
      *
-     * string table = 1;
-     *
+     * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for table.
      */
-    public com.google.protobuf.ByteString getTableBytes() {
+    public com.google.protobuf.ByteString
+        getTableBytes() {
       java.lang.Object ref = table_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         table_ = b;
         return b;
       } else {
@@ -948,37 +894,30 @@ public com.google.protobuf.ByteString getTableBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The name of the table to which to write data, of the form
+     * Optional. The name of the table to which to write data, of the form
      * {projectId}.{datasetId}.{tableId}
      * 
        
      *
-     * string table = 1;
-     *
+     * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The table to set.
      * @return This builder for chaining.
      */
-    public Builder setTable(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTable(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       table_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The name of the table to which to write data, of the form
+     * Optional. The name of the table to which to write data, of the form
      * {projectId}.{datasetId}.{tableId}
      * 
        
      *
-     * string table = 1;
-     *
+     * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearTable() {
@@ -988,22 +927,18 @@ public Builder clearTable() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The name of the table to which to write data, of the form
+     * Optional. The name of the table to which to write data, of the form
      * {projectId}.{datasetId}.{tableId}
      * 
        
      *
-     * string table = 1;
-     *
+     * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for table to set.
      * @return This builder for chaining.
      */
-    public Builder setTableBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTableBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       table_ = value;
       bitField0_ |= 0x00000001;
@@ -1011,10 +946,8 @@ public Builder setTableBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private boolean useTopicSchema_;
+    private boolean useTopicSchema_ ;
     /**
-     *
-     *
      * 
              * Optional. When true, use the topic's schema as the columns to write to in
      * BigQuery, if it exists. `use_topic_schema` and `use_table_schema` cannot be
@@ -1022,7 +955,6 @@ public Builder setTableBytes(com.google.protobuf.ByteString value) {
      * 
        
      *
      * bool use_topic_schema = 2 [(.google.api.field_behavior) = OPTIONAL];
-     *
      * @return The useTopicSchema.
      */
     @java.lang.Override
@@ -1030,8 +962,6 @@ public boolean getUseTopicSchema() {
       return useTopicSchema_;
     }
     /**
-     *
-     *
      * 
              * Optional. When true, use the topic's schema as the columns to write to in
      * BigQuery, if it exists. `use_topic_schema` and `use_table_schema` cannot be
@@ -1039,7 +969,6 @@ public boolean getUseTopicSchema() {
      * 
        
      *
      * bool use_topic_schema = 2 [(.google.api.field_behavior) = OPTIONAL];
-     *
      * @param value The useTopicSchema to set.
      * @return This builder for chaining.
      */
@@ -1051,8 +980,6 @@ public Builder setUseTopicSchema(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. When true, use the topic's schema as the columns to write to in
      * BigQuery, if it exists. `use_topic_schema` and `use_table_schema` cannot be
@@ -1060,7 +987,6 @@ public Builder setUseTopicSchema(boolean value) {
      * 
        
      *
      * bool use_topic_schema = 2 [(.google.api.field_behavior) = OPTIONAL];
-     *
      * @return This builder for chaining.
      */
     public Builder clearUseTopicSchema() {
@@ -1070,20 +996,17 @@ public Builder clearUseTopicSchema() {
       return this;
     }
 
-    private boolean writeMetadata_;
+    private boolean writeMetadata_ ;
     /**
-     *
-     *
      * 
        -     * When true, write the subscription name, message_id, publish_time,
+     * Optional. When true, write the subscription name, message_id, publish_time,
      * attributes, and ordering_key to additional columns in the table. The
      * subscription name, message_id, and publish_time fields are put in their own
      * columns while all other message properties (other than data) are written to
      * a JSON object in the attributes column.
      * 
        
      *
-     * bool write_metadata = 3;
-     *
+     * bool write_metadata = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The writeMetadata.
      */
     @java.lang.Override
@@ -1091,18 +1014,15 @@ public boolean getWriteMetadata() {
       return writeMetadata_;
     }
     /**
-     *
-     *
      * 
        -     * When true, write the subscription name, message_id, publish_time,
+     * Optional. When true, write the subscription name, message_id, publish_time,
      * attributes, and ordering_key to additional columns in the table. The
      * subscription name, message_id, and publish_time fields are put in their own
      * columns while all other message properties (other than data) are written to
      * a JSON object in the attributes column.
      * 
        
      *
-     * bool write_metadata = 3;
-     *
+     * bool write_metadata = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The writeMetadata to set.
      * @return This builder for chaining.
      */
@@ -1114,18 +1034,15 @@ public Builder setWriteMetadata(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When true, write the subscription name, message_id, publish_time,
+     * Optional. When true, write the subscription name, message_id, publish_time,
      * attributes, and ordering_key to additional columns in the table. The
      * subscription name, message_id, and publish_time fields are put in their own
      * columns while all other message properties (other than data) are written to
      * a JSON object in the attributes column.
      * 
        
      *
-     * bool write_metadata = 3;
-     *
+     * bool write_metadata = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearWriteMetadata() {
@@ -1135,20 +1052,17 @@ public Builder clearWriteMetadata() {
       return this;
     }
 
-    private boolean dropUnknownFields_;
+    private boolean dropUnknownFields_ ;
     /**
-     *
-     *
      * 
        -     * When true and use_topic_schema is true, any fields that are a part of the
-     * topic schema that are not part of the BigQuery table schema are dropped
-     * when writing to BigQuery. Otherwise, the schemas must be kept in sync and
-     * any messages with extra fields are not written and remain in the
+     * Optional. When true and use_topic_schema is true, any fields that are a
+     * part of the topic schema that are not part of the BigQuery table schema are
+     * dropped when writing to BigQuery. Otherwise, the schemas must be kept in
+     * sync and any messages with extra fields are not written and remain in the
      * subscription's backlog.
      * 
        
      *
-     * bool drop_unknown_fields = 4;
-     *
+     * bool drop_unknown_fields = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The dropUnknownFields.
      */
     @java.lang.Override
@@ -1156,18 +1070,15 @@ public boolean getDropUnknownFields() {
       return dropUnknownFields_;
     }
     /**
-     *
-     *
      * 
        -     * When true and use_topic_schema is true, any fields that are a part of the
-     * topic schema that are not part of the BigQuery table schema are dropped
-     * when writing to BigQuery. Otherwise, the schemas must be kept in sync and
-     * any messages with extra fields are not written and remain in the
+     * Optional. When true and use_topic_schema is true, any fields that are a
+     * part of the topic schema that are not part of the BigQuery table schema are
+     * dropped when writing to BigQuery. Otherwise, the schemas must be kept in
+     * sync and any messages with extra fields are not written and remain in the
      * subscription's backlog.
      * 
        
      *
-     * bool drop_unknown_fields = 4;
-     *
+     * bool drop_unknown_fields = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The dropUnknownFields to set.
      * @return This builder for chaining.
      */
@@ -1179,18 +1090,15 @@ public Builder setDropUnknownFields(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When true and use_topic_schema is true, any fields that are a part of the
-     * topic schema that are not part of the BigQuery table schema are dropped
-     * when writing to BigQuery. Otherwise, the schemas must be kept in sync and
-     * any messages with extra fields are not written and remain in the
+     * Optional. When true and use_topic_schema is true, any fields that are a
+     * part of the topic schema that are not part of the BigQuery table schema are
+     * dropped when writing to BigQuery. Otherwise, the schemas must be kept in
+     * sync and any messages with extra fields are not written and remain in the
      * subscription's backlog.
      * 
        
      *
-     * bool drop_unknown_fields = 4;
-     *
+     * bool drop_unknown_fields = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearDropUnknownFields() {
@@ -1202,35 +1110,24 @@ public Builder clearDropUnknownFields() {
 
     private int state_ = 0;
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The enum numeric value on the wire for state.
      */
-    @java.lang.Override
-    public int getStateValue() {
+    @java.lang.Override public int getStateValue() {
       return state_;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The enum numeric value on the wire for state to set.
      * @return This builder for chaining.
      */
@@ -1241,37 +1138,26 @@ public Builder setStateValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The state.
      */
     @java.lang.Override
     public com.google.pubsub.v1.BigQueryConfig.State getState() {
-      com.google.pubsub.v1.BigQueryConfig.State result =
-          com.google.pubsub.v1.BigQueryConfig.State.forNumber(state_);
+      com.google.pubsub.v1.BigQueryConfig.State result = com.google.pubsub.v1.BigQueryConfig.State.forNumber(state_);
       return result == null ? com.google.pubsub.v1.BigQueryConfig.State.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The state to set.
      * @return This builder for chaining.
      */
@@ -1285,17 +1171,12 @@ public Builder setState(com.google.pubsub.v1.BigQueryConfig.State value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return This builder for chaining.
      */
     public Builder clearState() {
@@ -1305,10 +1186,8 @@ public Builder clearState() {
       return this;
     }
 
-    private boolean useTableSchema_;
+    private boolean useTableSchema_ ;
     /**
-     *
-     *
      * 
              * Optional. When true, use the BigQuery table's schema as the columns to
      * write to in BigQuery. `use_table_schema` and `use_topic_schema` cannot be
@@ -1316,7 +1195,6 @@ public Builder clearState() {
      * 
        
      *
      * bool use_table_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
-     *
      * @return The useTableSchema.
      */
     @java.lang.Override
@@ -1324,8 +1202,6 @@ public boolean getUseTableSchema() {
       return useTableSchema_;
     }
     /**
-     *
-     *
      * 
              * Optional. When true, use the BigQuery table's schema as the columns to
      * write to in BigQuery. `use_table_schema` and `use_topic_schema` cannot be
@@ -1333,7 +1209,6 @@ public boolean getUseTableSchema() {
      * 
        
      *
      * bool use_table_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
-     *
      * @param value The useTableSchema to set.
      * @return This builder for chaining.
      */
@@ -1345,8 +1220,6 @@ public Builder setUseTableSchema(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. When true, use the BigQuery table's schema as the columns to
      * write to in BigQuery. `use_table_schema` and `use_topic_schema` cannot be
@@ -1354,7 +1227,6 @@ public Builder setUseTableSchema(boolean value) {
      * 
        
      *
      * bool use_table_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
-     *
      * @return This builder for chaining.
      */
     public Builder clearUseTableSchema() {
@@ -1363,9 +1235,9 @@ public Builder clearUseTableSchema() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1375,12 +1247,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.BigQueryConfig)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.BigQueryConfig)
   private static final com.google.pubsub.v1.BigQueryConfig DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.BigQueryConfig();
   }
@@ -1389,27 +1261,27 @@ public static com.google.pubsub.v1.BigQueryConfig getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public BigQueryConfig parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public BigQueryConfig parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1424,4 +1296,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.BigQueryConfig getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfigOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfigOrBuilder.java
similarity index 56%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfigOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfigOrBuilder.java
index e1f889387..c8f5e2c13 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfigOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/BigQueryConfigOrBuilder.java
@@ -1,58 +1,35 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface BigQueryConfigOrBuilder
-    extends
+public interface BigQueryConfigOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.BigQueryConfig)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
        -   * The name of the table to which to write data, of the form
+   * Optional. The name of the table to which to write data, of the form
    * {projectId}.{datasetId}.{tableId}
    * 
        
    *
-   * string table = 1;
-   *
+   * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The table.
    */
   java.lang.String getTable();
   /**
-   *
-   *
    * 
        -   * The name of the table to which to write data, of the form
+   * Optional. The name of the table to which to write data, of the form
    * {projectId}.{datasetId}.{tableId}
    * 
        
    *
-   * string table = 1;
-   *
+   * string table = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for table.
    */
-  com.google.protobuf.ByteString getTableBytes();
+  com.google.protobuf.ByteString
+      getTableBytes();
 
   /**
-   *
-   *
    * 
            * Optional. When true, use the topic's schema as the columns to write to in
    * BigQuery, if it exists. `use_topic_schema` and `use_table_schema` cannot be
@@ -60,79 +37,60 @@ public interface BigQueryConfigOrBuilder
    * 
        
    *
    * bool use_topic_schema = 2 [(.google.api.field_behavior) = OPTIONAL];
-   *
    * @return The useTopicSchema.
    */
   boolean getUseTopicSchema();
 
   /**
-   *
-   *
    * 
        -   * When true, write the subscription name, message_id, publish_time,
+   * Optional. When true, write the subscription name, message_id, publish_time,
    * attributes, and ordering_key to additional columns in the table. The
    * subscription name, message_id, and publish_time fields are put in their own
    * columns while all other message properties (other than data) are written to
    * a JSON object in the attributes column.
    * 
        
    *
-   * bool write_metadata = 3;
-   *
+   * bool write_metadata = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The writeMetadata.
    */
   boolean getWriteMetadata();
 
   /**
-   *
-   *
    * 
        -   * When true and use_topic_schema is true, any fields that are a part of the
-   * topic schema that are not part of the BigQuery table schema are dropped
-   * when writing to BigQuery. Otherwise, the schemas must be kept in sync and
-   * any messages with extra fields are not written and remain in the
+   * Optional. When true and use_topic_schema is true, any fields that are a
+   * part of the topic schema that are not part of the BigQuery table schema are
+   * dropped when writing to BigQuery. Otherwise, the schemas must be kept in
+   * sync and any messages with extra fields are not written and remain in the
    * subscription's backlog.
    * 
        
    *
-   * bool drop_unknown_fields = 4;
-   *
+   * bool drop_unknown_fields = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The dropUnknownFields.
    */
   boolean getDropUnknownFields();
 
   /**
-   *
-   *
    * 
            * Output only. An output-only field that indicates whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The enum numeric value on the wire for state.
    */
   int getStateValue();
   /**
-   *
-   *
    * 
            * Output only. An output-only field that indicates whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.BigQueryConfig.State state = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The state.
    */
   com.google.pubsub.v1.BigQueryConfig.State getState();
 
   /**
-   *
-   *
    * 
            * Optional. When true, use the BigQuery table's schema as the columns to
    * write to in BigQuery. `use_table_schema` and `use_topic_schema` cannot be
@@ -140,7 +98,6 @@ public interface BigQueryConfigOrBuilder
    * 
        
    *
    * bool use_table_schema = 6 [(.google.api.field_behavior) = OPTIONAL];
-   *
    * @return The useTableSchema.
    */
   boolean getUseTableSchema();
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfig.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfig.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfig.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfig.java
index 5cd5294ec..4aa3be43e 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfig.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfig.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Configuration for a Cloud Storage subscription.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.CloudStorageConfig}
  */
-public final class CloudStorageConfig extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class CloudStorageConfig extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.CloudStorageConfig)
     CloudStorageConfigOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use CloudStorageConfig.newBuilder() to construct.
   private CloudStorageConfig(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private CloudStorageConfig() {
     bucket_ = "";
     filenamePrefix_ = "";
@@ -46,38 +28,34 @@ private CloudStorageConfig() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new CloudStorageConfig();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_CloudStorageConfig_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_CloudStorageConfig_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.CloudStorageConfig.class,
-            com.google.pubsub.v1.CloudStorageConfig.Builder.class);
+            com.google.pubsub.v1.CloudStorageConfig.class, com.google.pubsub.v1.CloudStorageConfig.Builder.class);
   }
 
   /**
-   *
-   *
    * 
            * Possible states for a Cloud Storage subscription.
    * 
        
    *
    * Protobuf enum {@code google.pubsub.v1.CloudStorageConfig.State}
    */
-  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+  public enum State
+      implements com.google.protobuf.ProtocolMessageEnum {
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -86,8 +64,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     STATE_UNSPECIFIED(0),
     /**
-     *
-     *
      * 
              * The subscription can actively send messages to Cloud Storage.
      * 
        
@@ -96,8 +72,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     ACTIVE(1),
     /**
-     *
-     *
      * 
              * Cannot write to the Cloud Storage bucket because of permission denied
      * errors.
@@ -107,8 +81,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     PERMISSION_DENIED(2),
     /**
-     *
-     *
      * 
              * Cannot write to the Cloud Storage bucket because it does not exist.
      * 
        
@@ -116,12 +88,19 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      * NOT_FOUND = 3;
      */
     NOT_FOUND(3),
+    /**
+     * 
        +     * Cannot write to the destination because enforce_in_transit is set to true
+     * and the destination locations are not in the allowed regions.
+     * 
        
+     *
+     * IN_TRANSIT_LOCATION_RESTRICTION = 4;
+     */
+    IN_TRANSIT_LOCATION_RESTRICTION(4),
     UNRECOGNIZED(-1),
     ;
 
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -130,8 +109,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int STATE_UNSPECIFIED_VALUE = 0;
     /**
-     *
-     *
      * 
              * The subscription can actively send messages to Cloud Storage.
      * 
        
@@ -140,8 +117,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int ACTIVE_VALUE = 1;
     /**
-     *
-     *
      * 
              * Cannot write to the Cloud Storage bucket because of permission denied
      * errors.
@@ -151,8 +126,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int PERMISSION_DENIED_VALUE = 2;
     /**
-     *
-     *
      * 
              * Cannot write to the Cloud Storage bucket because it does not exist.
      * 
        
@@ -160,6 +133,16 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      * NOT_FOUND = 3;
      */
     public static final int NOT_FOUND_VALUE = 3;
+    /**
+     * 
        +     * Cannot write to the destination because enforce_in_transit is set to true
+     * and the destination locations are not in the allowed regions.
+     * 
        
+     *
+     * IN_TRANSIT_LOCATION_RESTRICTION = 4;
+     */
+    public static final int IN_TRANSIT_LOCATION_RESTRICTION_VALUE = 4;
+
 
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
@@ -185,51 +168,51 @@ public static State valueOf(int value) {
      */
     public static State forNumber(int value) {
       switch (value) {
-        case 0:
-          return STATE_UNSPECIFIED;
-        case 1:
-          return ACTIVE;
-        case 2:
-          return PERMISSION_DENIED;
-        case 3:
-          return NOT_FOUND;
-        default:
-          return null;
+        case 0: return STATE_UNSPECIFIED;
+        case 1: return ACTIVE;
+        case 2: return PERMISSION_DENIED;
+        case 3: return NOT_FOUND;
+        case 4: return IN_TRANSIT_LOCATION_RESTRICTION;
+        default: return null;
       }
     }
 
-    public static com.google.protobuf.Internal.EnumLiteMap internalGetValueMap() {
+    public static com.google.protobuf.Internal.EnumLiteMap
+        internalGetValueMap() {
       return internalValueMap;
     }
+    private static final com.google.protobuf.Internal.EnumLiteMap<
+        State> internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap() {
+            public State findValueByNumber(int number) {
+              return State.forNumber(number);
+            }
+          };
 
-    private static final com.google.protobuf.Internal.EnumLiteMap internalValueMap =
-        new com.google.protobuf.Internal.EnumLiteMap() {
-          public State findValueByNumber(int number) {
-            return State.forNumber(number);
-          }
-        };
-
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor
+        getValueDescriptor() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalStateException(
             "Can't get the descriptor of an unrecognized enum value.");
       }
       return getDescriptor().getValues().get(ordinal());
     }
-
-    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+    public final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptorForType() {
       return getDescriptor();
     }
-
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptor() {
       return com.google.pubsub.v1.CloudStorageConfig.getDescriptor().getEnumTypes().get(0);
     }
 
     private static final State[] VALUES = values();
 
-    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+    public static State valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
       if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+        throw new java.lang.IllegalArgumentException(
+          "EnumValueDescriptor is not for this type.");
       }
       if (desc.getIndex() == -1) {
         return UNRECOGNIZED;
@@ -246,13 +229,11 @@ private State(int value) {
     // @@protoc_insertion_point(enum_scope:google.pubsub.v1.CloudStorageConfig.State)
   }
 
-  public interface TextConfigOrBuilder
-      extends
+  public interface TextConfigOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.CloudStorageConfig.TextConfig)
-      com.google.protobuf.MessageOrBuilder {}
+      com.google.protobuf.MessageOrBuilder {
+  }
   /**
-   *
-   *
    * 
            * Configuration for writing message data in text format.
    * Message payloads will be written to files as raw text, separated by a
@@ -261,41 +242,39 @@ public interface TextConfigOrBuilder
    *
    * Protobuf type {@code google.pubsub.v1.CloudStorageConfig.TextConfig}
    */
-  public static final class TextConfig extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class TextConfig extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.CloudStorageConfig.TextConfig)
       TextConfigOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use TextConfig.newBuilder() to construct.
     private TextConfig(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
-    private TextConfig() {}
+    private TextConfig() {
+    }
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new TextConfig();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.CloudStorageConfig.TextConfig.class,
-              com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder.class);
+              com.google.pubsub.v1.CloudStorageConfig.TextConfig.class, com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder.class);
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -307,7 +286,8 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
       getUnknownFields().writeTo(output);
     }
 
@@ -325,13 +305,12 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
       if (!(obj instanceof com.google.pubsub.v1.CloudStorageConfig.TextConfig)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.CloudStorageConfig.TextConfig other =
-          (com.google.pubsub.v1.CloudStorageConfig.TextConfig) obj;
+      com.google.pubsub.v1.CloudStorageConfig.TextConfig other = (com.google.pubsub.v1.CloudStorageConfig.TextConfig) obj;
 
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
@@ -350,93 +329,89 @@ public int hashCode() {
     }
 
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
-        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseDelimitedFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseDelimitedFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.TextConfig parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
     public static Builder newBuilder(com.google.pubsub.v1.CloudStorageConfig.TextConfig prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -446,8 +421,6 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * Configuration for writing message data in text format.
      * Message payloads will be written to files as raw text, separated by a
@@ -456,33 +429,33 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.pubsub.v1.CloudStorageConfig.TextConfig}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.CloudStorageConfig.TextConfig)
         com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.CloudStorageConfig.TextConfig.class,
-                com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder.class);
+                com.google.pubsub.v1.CloudStorageConfig.TextConfig.class, com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder.class);
       }
 
       // Construct using com.google.pubsub.v1.CloudStorageConfig.TextConfig.newBuilder()
-      private Builder() {}
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
@@ -490,9 +463,9 @@ public Builder clear() {
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor;
       }
 
       @java.lang.Override
@@ -511,8 +484,7 @@ public com.google.pubsub.v1.CloudStorageConfig.TextConfig build() {
 
       @java.lang.Override
       public com.google.pubsub.v1.CloudStorageConfig.TextConfig buildPartial() {
-        com.google.pubsub.v1.CloudStorageConfig.TextConfig result =
-            new com.google.pubsub.v1.CloudStorageConfig.TextConfig(this);
+        com.google.pubsub.v1.CloudStorageConfig.TextConfig result = new com.google.pubsub.v1.CloudStorageConfig.TextConfig(this);
         onBuilt();
         return result;
       }
@@ -521,41 +493,38 @@ public com.google.pubsub.v1.CloudStorageConfig.TextConfig buildPartial() {
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.pubsub.v1.CloudStorageConfig.TextConfig) {
-          return mergeFrom((com.google.pubsub.v1.CloudStorageConfig.TextConfig) other);
+          return mergeFrom((com.google.pubsub.v1.CloudStorageConfig.TextConfig)other);
         } else {
           super.mergeFrom(other);
           return this;
@@ -563,8 +532,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
       }
 
       public Builder mergeFrom(com.google.pubsub.v1.CloudStorageConfig.TextConfig other) {
-        if (other == com.google.pubsub.v1.CloudStorageConfig.TextConfig.getDefaultInstance())
-          return this;
+        if (other == com.google.pubsub.v1.CloudStorageConfig.TextConfig.getDefaultInstance()) return this;
         this.mergeUnknownFields(other.getUnknownFields());
         onChanged();
         return this;
@@ -591,13 +559,12 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -607,7 +574,6 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -620,12 +586,12 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.CloudStorageConfig.TextConfig)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.CloudStorageConfig.TextConfig)
     private static final com.google.pubsub.v1.CloudStorageConfig.TextConfig DEFAULT_INSTANCE;
-
     static {
       DEFAULT_INSTANCE = new com.google.pubsub.v1.CloudStorageConfig.TextConfig();
     }
@@ -634,28 +600,27 @@ public static com.google.pubsub.v1.CloudStorageConfig.TextConfig getDefaultInsta
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public TextConfig parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public TextConfig parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -670,34 +635,29 @@ public com.google.protobuf.Parser getParserForType() {
     public com.google.pubsub.v1.CloudStorageConfig.TextConfig getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
-  public interface AvroConfigOrBuilder
-      extends
+  public interface AvroConfigOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.CloudStorageConfig.AvroConfig)
       com.google.protobuf.MessageOrBuilder {
 
     /**
-     *
-     *
      * 
        -     * When true, write the subscription name, message_id, publish_time,
-     * attributes, and ordering_key as additional fields in the output. The
-     * subscription name, message_id, and publish_time fields are put in their
-     * own fields while all other message properties other than data (for
-     * example, an ordering_key, if present) are added as entries in the
-     * attributes map.
+     * Optional. When true, write the subscription name, message_id,
+     * publish_time, attributes, and ordering_key as additional fields in the
+     * output. The subscription name, message_id, and publish_time fields are
+     * put in their own fields while all other message properties other than
+     * data (for example, an ordering_key, if present) are added as entries in
+     * the attributes map.
      * 
        
      *
-     * bool write_metadata = 1;
-     *
+     * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The writeMetadata.
      */
     boolean getWriteMetadata();
   }
   /**
-   *
-   *
    * 
            * Configuration for writing message data in Avro format.
    * Message payloads and metadata will be written to files as an Avro binary.
@@ -705,55 +665,51 @@ public interface AvroConfigOrBuilder
    *
    * Protobuf type {@code google.pubsub.v1.CloudStorageConfig.AvroConfig}
    */
-  public static final class AvroConfig extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class AvroConfig extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.CloudStorageConfig.AvroConfig)
       AvroConfigOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use AvroConfig.newBuilder() to construct.
     private AvroConfig(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
-    private AvroConfig() {}
+    private AvroConfig() {
+    }
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new AvroConfig();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.CloudStorageConfig.AvroConfig.class,
-              com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder.class);
+              com.google.pubsub.v1.CloudStorageConfig.AvroConfig.class, com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder.class);
     }
 
     public static final int WRITE_METADATA_FIELD_NUMBER = 1;
     private boolean writeMetadata_ = false;
     /**
-     *
-     *
      * 
        -     * When true, write the subscription name, message_id, publish_time,
-     * attributes, and ordering_key as additional fields in the output. The
-     * subscription name, message_id, and publish_time fields are put in their
-     * own fields while all other message properties other than data (for
-     * example, an ordering_key, if present) are added as entries in the
-     * attributes map.
+     * Optional. When true, write the subscription name, message_id,
+     * publish_time, attributes, and ordering_key as additional fields in the
+     * output. The subscription name, message_id, and publish_time fields are
+     * put in their own fields while all other message properties other than
+     * data (for example, an ordering_key, if present) are added as entries in
+     * the attributes map.
      * 
        
      *
-     * bool write_metadata = 1;
-     *
+     * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The writeMetadata.
      */
     @java.lang.Override
@@ -762,7 +718,6 @@ public boolean getWriteMetadata() {
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -774,7 +729,8 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
       if (writeMetadata_ != false) {
         output.writeBool(1, writeMetadata_);
       }
@@ -788,7 +744,8 @@ public int getSerializedSize() {
 
       size = 0;
       if (writeMetadata_ != false) {
-        size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, writeMetadata_);
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(1, writeMetadata_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -798,15 +755,15 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
       if (!(obj instanceof com.google.pubsub.v1.CloudStorageConfig.AvroConfig)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.CloudStorageConfig.AvroConfig other =
-          (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) obj;
+      com.google.pubsub.v1.CloudStorageConfig.AvroConfig other = (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) obj;
 
-      if (getWriteMetadata() != other.getWriteMetadata()) return false;
+      if (getWriteMetadata()
+          != other.getWriteMetadata()) return false;
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -819,100 +776,97 @@ public int hashCode() {
       int hash = 41;
       hash = (19 * hash) + getDescriptor().hashCode();
       hash = (37 * hash) + WRITE_METADATA_FIELD_NUMBER;
-      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getWriteMetadata());
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+          getWriteMetadata());
       hash = (29 * hash) + getUnknownFields().hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
-        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseDelimitedFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseDelimitedFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
     public static Builder newBuilder(com.google.pubsub.v1.CloudStorageConfig.AvroConfig prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -922,8 +876,6 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * Configuration for writing message data in Avro format.
      * Message payloads and metadata will be written to files as an Avro binary.
@@ -931,33 +883,33 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.pubsub.v1.CloudStorageConfig.AvroConfig}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.CloudStorageConfig.AvroConfig)
         com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.CloudStorageConfig.AvroConfig.class,
-                com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder.class);
+                com.google.pubsub.v1.CloudStorageConfig.AvroConfig.class, com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder.class);
       }
 
       // Construct using com.google.pubsub.v1.CloudStorageConfig.AvroConfig.newBuilder()
-      private Builder() {}
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
@@ -967,9 +919,9 @@ public Builder clear() {
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_descriptor;
       }
 
       @java.lang.Override
@@ -988,11 +940,8 @@ public com.google.pubsub.v1.CloudStorageConfig.AvroConfig build() {
 
       @java.lang.Override
       public com.google.pubsub.v1.CloudStorageConfig.AvroConfig buildPartial() {
-        com.google.pubsub.v1.CloudStorageConfig.AvroConfig result =
-            new com.google.pubsub.v1.CloudStorageConfig.AvroConfig(this);
-        if (bitField0_ != 0) {
-          buildPartial0(result);
-        }
+        com.google.pubsub.v1.CloudStorageConfig.AvroConfig result = new com.google.pubsub.v1.CloudStorageConfig.AvroConfig(this);
+        if (bitField0_ != 0) { buildPartial0(result); }
         onBuilt();
         return result;
       }
@@ -1008,41 +957,38 @@ private void buildPartial0(com.google.pubsub.v1.CloudStorageConfig.AvroConfig re
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.pubsub.v1.CloudStorageConfig.AvroConfig) {
-          return mergeFrom((com.google.pubsub.v1.CloudStorageConfig.AvroConfig) other);
+          return mergeFrom((com.google.pubsub.v1.CloudStorageConfig.AvroConfig)other);
         } else {
           super.mergeFrom(other);
           return this;
@@ -1050,8 +996,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
       }
 
       public Builder mergeFrom(com.google.pubsub.v1.CloudStorageConfig.AvroConfig other) {
-        if (other == com.google.pubsub.v1.CloudStorageConfig.AvroConfig.getDefaultInstance())
-          return this;
+        if (other == com.google.pubsub.v1.CloudStorageConfig.AvroConfig.getDefaultInstance()) return this;
         if (other.getWriteMetadata() != false) {
           setWriteMetadata(other.getWriteMetadata());
         }
@@ -1081,19 +1026,17 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              case 8:
-                {
-                  writeMetadata_ = input.readBool();
-                  bitField0_ |= 0x00000001;
-                  break;
-                } // case 8
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              case 8: {
+                writeMetadata_ = input.readBool();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1103,24 +1046,20 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       private int bitField0_;
 
-      private boolean writeMetadata_;
+      private boolean writeMetadata_ ;
       /**
-       *
-       *
        * 
        -       * When true, write the subscription name, message_id, publish_time,
-       * attributes, and ordering_key as additional fields in the output. The
-       * subscription name, message_id, and publish_time fields are put in their
-       * own fields while all other message properties other than data (for
-       * example, an ordering_key, if present) are added as entries in the
-       * attributes map.
+       * Optional. When true, write the subscription name, message_id,
+       * publish_time, attributes, and ordering_key as additional fields in the
+       * output. The subscription name, message_id, and publish_time fields are
+       * put in their own fields while all other message properties other than
+       * data (for example, an ordering_key, if present) are added as entries in
+       * the attributes map.
        * 
        
        *
-       * bool write_metadata = 1;
-       *
+       * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return The writeMetadata.
        */
       @java.lang.Override
@@ -1128,19 +1067,16 @@ public boolean getWriteMetadata() {
         return writeMetadata_;
       }
       /**
-       *
-       *
        * 
        -       * When true, write the subscription name, message_id, publish_time,
-       * attributes, and ordering_key as additional fields in the output. The
-       * subscription name, message_id, and publish_time fields are put in their
-       * own fields while all other message properties other than data (for
-       * example, an ordering_key, if present) are added as entries in the
-       * attributes map.
+       * Optional. When true, write the subscription name, message_id,
+       * publish_time, attributes, and ordering_key as additional fields in the
+       * output. The subscription name, message_id, and publish_time fields are
+       * put in their own fields while all other message properties other than
+       * data (for example, an ordering_key, if present) are added as entries in
+       * the attributes map.
        * 
        
        *
-       * bool write_metadata = 1;
-       *
+       * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The writeMetadata to set.
        * @return This builder for chaining.
        */
@@ -1152,19 +1088,16 @@ public Builder setWriteMetadata(boolean value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * When true, write the subscription name, message_id, publish_time,
-       * attributes, and ordering_key as additional fields in the output. The
-       * subscription name, message_id, and publish_time fields are put in their
-       * own fields while all other message properties other than data (for
-       * example, an ordering_key, if present) are added as entries in the
-       * attributes map.
+       * Optional. When true, write the subscription name, message_id,
+       * publish_time, attributes, and ordering_key as additional fields in the
+       * output. The subscription name, message_id, and publish_time fields are
+       * put in their own fields while all other message properties other than
+       * data (for example, an ordering_key, if present) are added as entries in
+       * the attributes map.
        * 
        
        *
-       * bool write_metadata = 1;
-       *
+       * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearWriteMetadata() {
@@ -1173,7 +1106,6 @@ public Builder clearWriteMetadata() {
         onChanged();
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -1186,12 +1118,12 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.CloudStorageConfig.AvroConfig)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.CloudStorageConfig.AvroConfig)
     private static final com.google.pubsub.v1.CloudStorageConfig.AvroConfig DEFAULT_INSTANCE;
-
     static {
       DEFAULT_INSTANCE = new com.google.pubsub.v1.CloudStorageConfig.AvroConfig();
     }
@@ -1200,28 +1132,27 @@ public static com.google.pubsub.v1.CloudStorageConfig.AvroConfig getDefaultInsta
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public AvroConfig parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public AvroConfig parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -1236,22 +1167,19 @@ public com.google.protobuf.Parser getParserForType() {
     public com.google.pubsub.v1.CloudStorageConfig.AvroConfig getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
   private int outputFormatCase_ = 0;
-
   @SuppressWarnings("serial")
   private java.lang.Object outputFormat_;
-
   public enum OutputFormatCase
-      implements
-          com.google.protobuf.Internal.EnumLite,
+      implements com.google.protobuf.Internal.EnumLite,
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     TEXT_CONFIG(4),
     AVRO_CONFIG(5),
     OUTPUTFORMAT_NOT_SET(0);
     private final int value;
-
     private OutputFormatCase(int value) {
       this.value = value;
     }
@@ -1267,33 +1195,27 @@ public static OutputFormatCase valueOf(int value) {
 
     public static OutputFormatCase forNumber(int value) {
       switch (value) {
-        case 4:
-          return TEXT_CONFIG;
-        case 5:
-          return AVRO_CONFIG;
-        case 0:
-          return OUTPUTFORMAT_NOT_SET;
-        default:
-          return null;
+        case 4: return TEXT_CONFIG;
+        case 5: return AVRO_CONFIG;
+        case 0: return OUTPUTFORMAT_NOT_SET;
+        default: return null;
       }
     }
-
     public int getNumber() {
       return this.value;
     }
   };
 
-  public OutputFormatCase getOutputFormatCase() {
-    return OutputFormatCase.forNumber(outputFormatCase_);
+  public OutputFormatCase
+  getOutputFormatCase() {
+    return OutputFormatCase.forNumber(
+        outputFormatCase_);
   }
 
   public static final int BUCKET_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object bucket_ = "";
   /**
-   *
-   *
    * 
            * Required. User-provided name for the Cloud Storage bucket.
    * The bucket must be created by the user. The bucket name must be without
@@ -1302,7 +1224,6 @@ public OutputFormatCase getOutputFormatCase() {
    * 
        
    *
    * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bucket.
    */
   @java.lang.Override
@@ -1311,15 +1232,14 @@ public java.lang.String getBucket() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       bucket_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. User-provided name for the Cloud Storage bucket.
    * The bucket must be created by the user. The bucket name must be without
@@ -1328,15 +1248,16 @@ public java.lang.String getBucket() {
    * 
        
    *
    * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for bucket.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getBucketBytes() {
+  public com.google.protobuf.ByteString
+      getBucketBytes() {
     java.lang.Object ref = bucket_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       bucket_ = b;
       return b;
     } else {
@@ -1345,19 +1266,15 @@ public com.google.protobuf.ByteString getBucketBytes() {
   }
 
   public static final int FILENAME_PREFIX_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object filenamePrefix_ = "";
   /**
-   *
-   *
    * 
        -   * User-provided prefix for Cloud Storage filename. See the [object naming
-   * requirements](https://cloud.google.com/storage/docs/objects#naming).
+   * Optional. User-provided prefix for Cloud Storage filename. See the [object
+   * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
    * 
        
    *
-   * string filename_prefix = 2;
-   *
+   * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The filenamePrefix.
    */
   @java.lang.Override
@@ -1366,30 +1283,30 @@ public java.lang.String getFilenamePrefix() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       filenamePrefix_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * User-provided prefix for Cloud Storage filename. See the [object naming
-   * requirements](https://cloud.google.com/storage/docs/objects#naming).
+   * Optional. User-provided prefix for Cloud Storage filename. See the [object
+   * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
    * 
        
    *
-   * string filename_prefix = 2;
-   *
+   * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for filenamePrefix.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getFilenamePrefixBytes() {
+  public com.google.protobuf.ByteString
+      getFilenamePrefixBytes() {
     java.lang.Object ref = filenamePrefix_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       filenamePrefix_ = b;
       return b;
     } else {
@@ -1398,20 +1315,16 @@ public com.google.protobuf.ByteString getFilenamePrefixBytes() {
   }
 
   public static final int FILENAME_SUFFIX_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object filenameSuffix_ = "";
   /**
-   *
-   *
    * 
        -   * User-provided suffix for Cloud Storage filename. See the [object naming
-   * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-   * not end in "/".
+   * Optional. User-provided suffix for Cloud Storage filename. See the [object
+   * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+   * Must not end in "/".
    * 
        
    *
-   * string filename_suffix = 3;
-   *
+   * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The filenameSuffix.
    */
   @java.lang.Override
@@ -1420,31 +1333,31 @@ public java.lang.String getFilenameSuffix() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       filenameSuffix_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * User-provided suffix for Cloud Storage filename. See the [object naming
-   * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-   * not end in "/".
+   * Optional. User-provided suffix for Cloud Storage filename. See the [object
+   * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+   * Must not end in "/".
    * 
        
    *
-   * string filename_suffix = 3;
-   *
+   * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for filenameSuffix.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getFilenameSuffixBytes() {
+  public com.google.protobuf.ByteString
+      getFilenameSuffixBytes() {
     java.lang.Object ref = filenameSuffix_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       filenameSuffix_ = b;
       return b;
     } else {
@@ -1454,14 +1367,12 @@ public com.google.protobuf.ByteString getFilenameSuffixBytes() {
 
   public static final int TEXT_CONFIG_FIELD_NUMBER = 4;
   /**
-   *
-   *
    * 
        -   * If set, message data will be written to Cloud Storage in text format.
+   * Optional. If set, message data will be written to Cloud Storage in text
+   * format.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
-   *
+   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the textConfig field is set.
    */
   @java.lang.Override
@@ -1469,50 +1380,45 @@ public boolean hasTextConfig() {
     return outputFormatCase_ == 4;
   }
   /**
-   *
-   *
    * 
        -   * If set, message data will be written to Cloud Storage in text format.
+   * Optional. If set, message data will be written to Cloud Storage in text
+   * format.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
-   *
+   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The textConfig.
    */
   @java.lang.Override
   public com.google.pubsub.v1.CloudStorageConfig.TextConfig getTextConfig() {
     if (outputFormatCase_ == 4) {
-      return (com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_;
+       return (com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_;
     }
     return com.google.pubsub.v1.CloudStorageConfig.TextConfig.getDefaultInstance();
   }
   /**
-   *
-   *
    * 
        -   * If set, message data will be written to Cloud Storage in text format.
+   * Optional. If set, message data will be written to Cloud Storage in text
+   * format.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
+   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder getTextConfigOrBuilder() {
     if (outputFormatCase_ == 4) {
-      return (com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_;
+       return (com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_;
     }
     return com.google.pubsub.v1.CloudStorageConfig.TextConfig.getDefaultInstance();
   }
 
   public static final int AVRO_CONFIG_FIELD_NUMBER = 5;
   /**
-   *
-   *
    * 
        -   * If set, message data will be written to Cloud Storage in Avro format.
+   * Optional. If set, message data will be written to Cloud Storage in Avro
+   * format.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
-   *
+   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the avroConfig field is set.
    */
   @java.lang.Override
@@ -1520,36 +1426,33 @@ public boolean hasAvroConfig() {
     return outputFormatCase_ == 5;
   }
   /**
-   *
-   *
    * 
        -   * If set, message data will be written to Cloud Storage in Avro format.
+   * Optional. If set, message data will be written to Cloud Storage in Avro
+   * format.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
-   *
+   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The avroConfig.
    */
   @java.lang.Override
   public com.google.pubsub.v1.CloudStorageConfig.AvroConfig getAvroConfig() {
     if (outputFormatCase_ == 5) {
-      return (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_;
+       return (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_;
     }
     return com.google.pubsub.v1.CloudStorageConfig.AvroConfig.getDefaultInstance();
   }
   /**
-   *
-   *
    * 
        -   * If set, message data will be written to Cloud Storage in Avro format.
+   * Optional. If set, message data will be written to Cloud Storage in Avro
+   * format.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
+   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder getAvroConfigOrBuilder() {
     if (outputFormatCase_ == 5) {
-      return (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_;
+       return (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_;
     }
     return com.google.pubsub.v1.CloudStorageConfig.AvroConfig.getDefaultInstance();
   }
@@ -1557,16 +1460,13 @@ public com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder getAvroConfig
   public static final int MAX_DURATION_FIELD_NUMBER = 6;
   private com.google.protobuf.Duration maxDuration_;
   /**
-   *
-   *
    * 
        -   * The maximum duration that can elapse before a new Cloud Storage file is
-   * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-   * the subscription's acknowledgement deadline.
+   * Optional. The maximum duration that can elapse before a new Cloud Storage
+   * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+   * exceed the subscription's acknowledgement deadline.
    * 
        
    *
-   * .google.protobuf.Duration max_duration = 6;
-   *
+   * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the maxDuration field is set.
    */
   @java.lang.Override
@@ -1574,16 +1474,13 @@ public boolean hasMaxDuration() {
     return maxDuration_ != null;
   }
   /**
-   *
-   *
    * 
        -   * The maximum duration that can elapse before a new Cloud Storage file is
-   * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-   * the subscription's acknowledgement deadline.
+   * Optional. The maximum duration that can elapse before a new Cloud Storage
+   * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+   * exceed the subscription's acknowledgement deadline.
    * 
        
    *
-   * .google.protobuf.Duration max_duration = 6;
-   *
+   * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return The maxDuration.
    */
   @java.lang.Override
@@ -1591,15 +1488,13 @@ public com.google.protobuf.Duration getMaxDuration() {
     return maxDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : maxDuration_;
   }
   /**
-   *
-   *
    * 
        -   * The maximum duration that can elapse before a new Cloud Storage file is
-   * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-   * the subscription's acknowledgement deadline.
+   * Optional. The maximum duration that can elapse before a new Cloud Storage
+   * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+   * exceed the subscription's acknowledgement deadline.
    * 
        
    *
-   * .google.protobuf.Duration max_duration = 6;
+   * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.protobuf.DurationOrBuilder getMaxDurationOrBuilder() {
@@ -1609,16 +1504,13 @@ public com.google.protobuf.DurationOrBuilder getMaxDurationOrBuilder() {
   public static final int MAX_BYTES_FIELD_NUMBER = 7;
   private long maxBytes_ = 0L;
   /**
-   *
-   *
    * 
        -   * The maximum bytes that can be written to a Cloud Storage file before a new
-   * file is created. Min 1 KB, max 10 GiB. The max_bytes limit may be exceeded
-   * in cases where messages are larger than the limit.
+   * Optional. The maximum bytes that can be written to a Cloud Storage file
+   * before a new file is created. Min 1 KB, max 10 GiB. The max_bytes limit may
+   * be exceeded in cases where messages are larger than the limit.
    * 
        
    *
-   * int64 max_bytes = 7;
-   *
+   * int64 max_bytes = 7 [(.google.api.field_behavior) = OPTIONAL];
    * @return The maxBytes.
    */
   @java.lang.Override
@@ -1629,46 +1521,32 @@ public long getMaxBytes() {
   public static final int STATE_FIELD_NUMBER = 9;
   private int state_ = 0;
   /**
-   *
-   *
    * 
            * Output only. An output-only field that indicates whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The enum numeric value on the wire for state.
    */
-  @java.lang.Override
-  public int getStateValue() {
+  @java.lang.Override public int getStateValue() {
     return state_;
   }
   /**
-   *
-   *
    * 
            * Output only. An output-only field that indicates whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The state.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.CloudStorageConfig.State getState() {
-    com.google.pubsub.v1.CloudStorageConfig.State result =
-        com.google.pubsub.v1.CloudStorageConfig.State.forNumber(state_);
+  @java.lang.Override public com.google.pubsub.v1.CloudStorageConfig.State getState() {
+    com.google.pubsub.v1.CloudStorageConfig.State result = com.google.pubsub.v1.CloudStorageConfig.State.forNumber(state_);
     return result == null ? com.google.pubsub.v1.CloudStorageConfig.State.UNRECOGNIZED : result;
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -1680,7 +1558,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(bucket_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, bucket_);
     }
@@ -1724,23 +1603,24 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, filenameSuffix_);
     }
     if (outputFormatCase_ == 4) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              4, (com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(4, (com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_);
     }
     if (outputFormatCase_ == 5) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              5, (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(5, (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_);
     }
     if (maxDuration_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getMaxDuration());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(6, getMaxDuration());
     }
     if (maxBytes_ != 0L) {
-      size += com.google.protobuf.CodedOutputStream.computeInt64Size(7, maxBytes_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt64Size(7, maxBytes_);
     }
     if (state_ != com.google.pubsub.v1.CloudStorageConfig.State.STATE_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(9, state_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(9, state_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -1750,29 +1630,36 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.CloudStorageConfig)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.CloudStorageConfig other = (com.google.pubsub.v1.CloudStorageConfig) obj;
 
-    if (!getBucket().equals(other.getBucket())) return false;
-    if (!getFilenamePrefix().equals(other.getFilenamePrefix())) return false;
-    if (!getFilenameSuffix().equals(other.getFilenameSuffix())) return false;
+    if (!getBucket()
+        .equals(other.getBucket())) return false;
+    if (!getFilenamePrefix()
+        .equals(other.getFilenamePrefix())) return false;
+    if (!getFilenameSuffix()
+        .equals(other.getFilenameSuffix())) return false;
     if (hasMaxDuration() != other.hasMaxDuration()) return false;
     if (hasMaxDuration()) {
-      if (!getMaxDuration().equals(other.getMaxDuration())) return false;
+      if (!getMaxDuration()
+          .equals(other.getMaxDuration())) return false;
     }
-    if (getMaxBytes() != other.getMaxBytes()) return false;
+    if (getMaxBytes()
+        != other.getMaxBytes()) return false;
     if (state_ != other.state_) return false;
     if (!getOutputFormatCase().equals(other.getOutputFormatCase())) return false;
     switch (outputFormatCase_) {
       case 4:
-        if (!getTextConfig().equals(other.getTextConfig())) return false;
+        if (!getTextConfig()
+            .equals(other.getTextConfig())) return false;
         break;
       case 5:
-        if (!getAvroConfig().equals(other.getAvroConfig())) return false;
+        if (!getAvroConfig()
+            .equals(other.getAvroConfig())) return false;
         break;
       case 0:
       default:
@@ -1799,7 +1686,8 @@ public int hashCode() {
       hash = (53 * hash) + getMaxDuration().hashCode();
     }
     hash = (37 * hash) + MAX_BYTES_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getMaxBytes());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
+        getMaxBytes());
     hash = (37 * hash) + STATE_FIELD_NUMBER;
     hash = (53 * hash) + state_;
     switch (outputFormatCase_) {
@@ -1819,136 +1707,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.CloudStorageConfig parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.CloudStorageConfig parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.CloudStorageConfig parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.CloudStorageConfig parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.CloudStorageConfig parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.CloudStorageConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.CloudStorageConfig prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Configuration for a Cloud Storage subscription.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.CloudStorageConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.CloudStorageConfig)
       com.google.pubsub.v1.CloudStorageConfigOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CloudStorageConfig_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CloudStorageConfig_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.CloudStorageConfig.class,
-              com.google.pubsub.v1.CloudStorageConfig.Builder.class);
+              com.google.pubsub.v1.CloudStorageConfig.class, com.google.pubsub.v1.CloudStorageConfig.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.CloudStorageConfig.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -1975,9 +1859,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CloudStorageConfig_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CloudStorageConfig_descriptor;
     }
 
     @java.lang.Override
@@ -1996,11 +1880,8 @@ public com.google.pubsub.v1.CloudStorageConfig build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.CloudStorageConfig buildPartial() {
-      com.google.pubsub.v1.CloudStorageConfig result =
-          new com.google.pubsub.v1.CloudStorageConfig(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.CloudStorageConfig result = new com.google.pubsub.v1.CloudStorageConfig(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       buildPartialOneofs(result);
       onBuilt();
       return result;
@@ -2018,8 +1899,9 @@ private void buildPartial0(com.google.pubsub.v1.CloudStorageConfig result) {
         result.filenameSuffix_ = filenameSuffix_;
       }
       if (((from_bitField0_ & 0x00000020) != 0)) {
-        result.maxDuration_ =
-            maxDurationBuilder_ == null ? maxDuration_ : maxDurationBuilder_.build();
+        result.maxDuration_ = maxDurationBuilder_ == null
+            ? maxDuration_
+            : maxDurationBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000040) != 0)) {
         result.maxBytes_ = maxBytes_;
@@ -2032,10 +1914,12 @@ private void buildPartial0(com.google.pubsub.v1.CloudStorageConfig result) {
     private void buildPartialOneofs(com.google.pubsub.v1.CloudStorageConfig result) {
       result.outputFormatCase_ = outputFormatCase_;
       result.outputFormat_ = this.outputFormat_;
-      if (outputFormatCase_ == 4 && textConfigBuilder_ != null) {
+      if (outputFormatCase_ == 4 &&
+          textConfigBuilder_ != null) {
         result.outputFormat_ = textConfigBuilder_.build();
       }
-      if (outputFormatCase_ == 5 && avroConfigBuilder_ != null) {
+      if (outputFormatCase_ == 5 &&
+          avroConfigBuilder_ != null) {
         result.outputFormat_ = avroConfigBuilder_.build();
       }
     }
@@ -2044,39 +1928,38 @@ private void buildPartialOneofs(com.google.pubsub.v1.CloudStorageConfig result)
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.CloudStorageConfig) {
-        return mergeFrom((com.google.pubsub.v1.CloudStorageConfig) other);
+        return mergeFrom((com.google.pubsub.v1.CloudStorageConfig)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -2110,20 +1993,17 @@ public Builder mergeFrom(com.google.pubsub.v1.CloudStorageConfig other) {
         setStateValue(other.getStateValue());
       }
       switch (other.getOutputFormatCase()) {
-        case TEXT_CONFIG:
-          {
-            mergeTextConfig(other.getTextConfig());
-            break;
-          }
-        case AVRO_CONFIG:
-          {
-            mergeAvroConfig(other.getAvroConfig());
-            break;
-          }
-        case OUTPUTFORMAT_NOT_SET:
-          {
-            break;
-          }
+        case TEXT_CONFIG: {
+          mergeTextConfig(other.getTextConfig());
+          break;
+        }
+        case AVRO_CONFIG: {
+          mergeAvroConfig(other.getAvroConfig());
+          break;
+        }
+        case OUTPUTFORMAT_NOT_SET: {
+          break;
+        }
       }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
@@ -2151,61 +2031,58 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                bucket_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                filenamePrefix_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 26:
-              {
-                filenameSuffix_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            case 34:
-              {
-                input.readMessage(getTextConfigFieldBuilder().getBuilder(), extensionRegistry);
-                outputFormatCase_ = 4;
-                break;
-              } // case 34
-            case 42:
-              {
-                input.readMessage(getAvroConfigFieldBuilder().getBuilder(), extensionRegistry);
-                outputFormatCase_ = 5;
-                break;
-              } // case 42
-            case 50:
-              {
-                input.readMessage(getMaxDurationFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000020;
-                break;
-              } // case 50
-            case 56:
-              {
-                maxBytes_ = input.readInt64();
-                bitField0_ |= 0x00000040;
-                break;
-              } // case 56
-            case 72:
-              {
-                state_ = input.readEnum();
-                bitField0_ |= 0x00000080;
-                break;
-              } // case 72
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              bucket_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              filenamePrefix_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 26: {
+              filenameSuffix_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            case 34: {
+              input.readMessage(
+                  getTextConfigFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              outputFormatCase_ = 4;
+              break;
+            } // case 34
+            case 42: {
+              input.readMessage(
+                  getAvroConfigFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              outputFormatCase_ = 5;
+              break;
+            } // case 42
+            case 50: {
+              input.readMessage(
+                  getMaxDurationFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000020;
+              break;
+            } // case 50
+            case 56: {
+              maxBytes_ = input.readInt64();
+              bitField0_ |= 0x00000040;
+              break;
+            } // case 56
+            case 72: {
+              state_ = input.readEnum();
+              bitField0_ |= 0x00000080;
+              break;
+            } // case 72
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -2215,12 +2092,12 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int outputFormatCase_ = 0;
     private java.lang.Object outputFormat_;
-
-    public OutputFormatCase getOutputFormatCase() {
-      return OutputFormatCase.forNumber(outputFormatCase_);
+    public OutputFormatCase
+        getOutputFormatCase() {
+      return OutputFormatCase.forNumber(
+          outputFormatCase_);
     }
 
     public Builder clearOutputFormat() {
@@ -2234,8 +2111,6 @@ public Builder clearOutputFormat() {
 
     private java.lang.Object bucket_ = "";
     /**
-     *
-     *
      * 
              * Required. User-provided name for the Cloud Storage bucket.
      * The bucket must be created by the user. The bucket name must be without
@@ -2244,13 +2119,13 @@ public Builder clearOutputFormat() {
      * 
        
      *
      * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bucket.
      */
     public java.lang.String getBucket() {
       java.lang.Object ref = bucket_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         bucket_ = s;
         return s;
@@ -2259,8 +2134,6 @@ public java.lang.String getBucket() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. User-provided name for the Cloud Storage bucket.
      * The bucket must be created by the user. The bucket name must be without
@@ -2269,14 +2142,15 @@ public java.lang.String getBucket() {
      * 
        
      *
      * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for bucket.
      */
-    public com.google.protobuf.ByteString getBucketBytes() {
+    public com.google.protobuf.ByteString
+        getBucketBytes() {
       java.lang.Object ref = bucket_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         bucket_ = b;
         return b;
       } else {
@@ -2284,8 +2158,6 @@ public com.google.protobuf.ByteString getBucketBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. User-provided name for the Cloud Storage bucket.
      * The bucket must be created by the user. The bucket name must be without
@@ -2294,22 +2166,18 @@ public com.google.protobuf.ByteString getBucketBytes() {
      * 
        
      *
      * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The bucket to set.
      * @return This builder for chaining.
      */
-    public Builder setBucket(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setBucket(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       bucket_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. User-provided name for the Cloud Storage bucket.
      * The bucket must be created by the user. The bucket name must be without
@@ -2318,7 +2186,6 @@ public Builder setBucket(java.lang.String value) {
      * 
        
      *
      * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearBucket() {
@@ -2328,8 +2195,6 @@ public Builder clearBucket() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. User-provided name for the Cloud Storage bucket.
      * The bucket must be created by the user. The bucket name must be without
@@ -2338,14 +2203,12 @@ public Builder clearBucket() {
      * 
        
      *
      * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The bytes for bucket to set.
      * @return This builder for chaining.
      */
-    public Builder setBucketBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setBucketBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       bucket_ = value;
       bitField0_ |= 0x00000001;
@@ -2355,21 +2218,19 @@ public Builder setBucketBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object filenamePrefix_ = "";
     /**
-     *
-     *
      * 
        -     * User-provided prefix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Optional. User-provided prefix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
      * 
        
      *
-     * string filename_prefix = 2;
-     *
+     * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The filenamePrefix.
      */
     public java.lang.String getFilenamePrefix() {
       java.lang.Object ref = filenamePrefix_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         filenamePrefix_ = s;
         return s;
@@ -2378,22 +2239,21 @@ public java.lang.String getFilenamePrefix() {
       }
     }
     /**
-     *
-     *
      * 
        -     * User-provided prefix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Optional. User-provided prefix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
      * 
        
      *
-     * string filename_prefix = 2;
-     *
+     * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for filenamePrefix.
      */
-    public com.google.protobuf.ByteString getFilenamePrefixBytes() {
+    public com.google.protobuf.ByteString
+        getFilenamePrefixBytes() {
       java.lang.Object ref = filenamePrefix_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         filenamePrefix_ = b;
         return b;
       } else {
@@ -2401,37 +2261,30 @@ public com.google.protobuf.ByteString getFilenamePrefixBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * User-provided prefix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Optional. User-provided prefix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
      * 
        
      *
-     * string filename_prefix = 2;
-     *
+     * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The filenamePrefix to set.
      * @return This builder for chaining.
      */
-    public Builder setFilenamePrefix(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setFilenamePrefix(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       filenamePrefix_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * User-provided prefix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Optional. User-provided prefix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
      * 
        
      *
-     * string filename_prefix = 2;
-     *
+     * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearFilenamePrefix() {
@@ -2441,22 +2294,18 @@ public Builder clearFilenamePrefix() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * User-provided prefix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Optional. User-provided prefix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
      * 
        
      *
-     * string filename_prefix = 2;
-     *
+     * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for filenamePrefix to set.
      * @return This builder for chaining.
      */
-    public Builder setFilenamePrefixBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setFilenamePrefixBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       filenamePrefix_ = value;
       bitField0_ |= 0x00000002;
@@ -2466,22 +2315,20 @@ public Builder setFilenamePrefixBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object filenameSuffix_ = "";
     /**
-     *
-     *
      * 
        -     * User-provided suffix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-     * not end in "/".
+     * Optional. User-provided suffix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Must not end in "/".
      * 
        
      *
-     * string filename_suffix = 3;
-     *
+     * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The filenameSuffix.
      */
     public java.lang.String getFilenameSuffix() {
       java.lang.Object ref = filenameSuffix_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         filenameSuffix_ = s;
         return s;
@@ -2490,23 +2337,22 @@ public java.lang.String getFilenameSuffix() {
       }
     }
     /**
-     *
-     *
      * 
        -     * User-provided suffix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-     * not end in "/".
+     * Optional. User-provided suffix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Must not end in "/".
      * 
        
      *
-     * string filename_suffix = 3;
-     *
+     * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for filenameSuffix.
      */
-    public com.google.protobuf.ByteString getFilenameSuffixBytes() {
+    public com.google.protobuf.ByteString
+        getFilenameSuffixBytes() {
       java.lang.Object ref = filenameSuffix_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         filenameSuffix_ = b;
         return b;
       } else {
@@ -2514,39 +2360,32 @@ public com.google.protobuf.ByteString getFilenameSuffixBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * User-provided suffix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-     * not end in "/".
+     * Optional. User-provided suffix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Must not end in "/".
      * 
        
      *
-     * string filename_suffix = 3;
-     *
+     * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The filenameSuffix to set.
      * @return This builder for chaining.
      */
-    public Builder setFilenameSuffix(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setFilenameSuffix(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       filenameSuffix_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * User-provided suffix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-     * not end in "/".
+     * Optional. User-provided suffix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Must not end in "/".
      * 
        
      *
-     * string filename_suffix = 3;
-     *
+     * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearFilenameSuffix() {
@@ -2556,23 +2395,19 @@ public Builder clearFilenameSuffix() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * User-provided suffix for Cloud Storage filename. See the [object naming
-     * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-     * not end in "/".
+     * Optional. User-provided suffix for Cloud Storage filename. See the [object
+     * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+     * Must not end in "/".
      * 
        
      *
-     * string filename_suffix = 3;
-     *
+     * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for filenameSuffix to set.
      * @return This builder for chaining.
      */
-    public Builder setFilenameSuffixBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setFilenameSuffixBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       filenameSuffix_ = value;
       bitField0_ |= 0x00000004;
@@ -2581,19 +2416,14 @@ public Builder setFilenameSuffixBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.CloudStorageConfig.TextConfig,
-            com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder,
-            com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder>
-        textConfigBuilder_;
+        com.google.pubsub.v1.CloudStorageConfig.TextConfig, com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder, com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder> textConfigBuilder_;
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
-     *
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the textConfig field is set.
      */
     @java.lang.Override
@@ -2601,14 +2431,12 @@ public boolean hasTextConfig() {
       return outputFormatCase_ == 4;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
-     *
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The textConfig.
      */
     @java.lang.Override
@@ -2626,13 +2454,12 @@ public com.google.pubsub.v1.CloudStorageConfig.TextConfig getTextConfig() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setTextConfig(com.google.pubsub.v1.CloudStorageConfig.TextConfig value) {
       if (textConfigBuilder_ == null) {
@@ -2648,13 +2475,12 @@ public Builder setTextConfig(com.google.pubsub.v1.CloudStorageConfig.TextConfig
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setTextConfig(
         com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder builderForValue) {
@@ -2668,24 +2494,19 @@ public Builder setTextConfig(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeTextConfig(com.google.pubsub.v1.CloudStorageConfig.TextConfig value) {
       if (textConfigBuilder_ == null) {
-        if (outputFormatCase_ == 4
-            && outputFormat_
-                != com.google.pubsub.v1.CloudStorageConfig.TextConfig.getDefaultInstance()) {
-          outputFormat_ =
-              com.google.pubsub.v1.CloudStorageConfig.TextConfig.newBuilder(
-                      (com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_)
-                  .mergeFrom(value)
-                  .buildPartial();
+        if (outputFormatCase_ == 4 &&
+            outputFormat_ != com.google.pubsub.v1.CloudStorageConfig.TextConfig.getDefaultInstance()) {
+          outputFormat_ = com.google.pubsub.v1.CloudStorageConfig.TextConfig.newBuilder((com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_)
+              .mergeFrom(value).buildPartial();
         } else {
           outputFormat_ = value;
         }
@@ -2701,13 +2522,12 @@ public Builder mergeTextConfig(com.google.pubsub.v1.CloudStorageConfig.TextConfi
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearTextConfig() {
       if (textConfigBuilder_ == null) {
@@ -2726,25 +2546,23 @@ public Builder clearTextConfig() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder getTextConfigBuilder() {
       return getTextConfigFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder getTextConfigOrBuilder() {
@@ -2758,28 +2576,22 @@ public com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder getTextConfig
       }
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in text format.
+     * Optional. If set, message data will be written to Cloud Storage in text
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
+     * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.CloudStorageConfig.TextConfig,
-            com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder,
-            com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder>
+        com.google.pubsub.v1.CloudStorageConfig.TextConfig, com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder, com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder> 
         getTextConfigFieldBuilder() {
       if (textConfigBuilder_ == null) {
         if (!(outputFormatCase_ == 4)) {
           outputFormat_ = com.google.pubsub.v1.CloudStorageConfig.TextConfig.getDefaultInstance();
         }
-        textConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.CloudStorageConfig.TextConfig,
-                com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder,
-                com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder>(
+        textConfigBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.CloudStorageConfig.TextConfig, com.google.pubsub.v1.CloudStorageConfig.TextConfig.Builder, com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder>(
                 (com.google.pubsub.v1.CloudStorageConfig.TextConfig) outputFormat_,
                 getParentForChildren(),
                 isClean());
@@ -2791,19 +2603,14 @@ public com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder getTextConfig
     }
 
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.CloudStorageConfig.AvroConfig,
-            com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder,
-            com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder>
-        avroConfigBuilder_;
+        com.google.pubsub.v1.CloudStorageConfig.AvroConfig, com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder, com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder> avroConfigBuilder_;
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
-     *
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the avroConfig field is set.
      */
     @java.lang.Override
@@ -2811,14 +2618,12 @@ public boolean hasAvroConfig() {
       return outputFormatCase_ == 5;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
-     *
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return The avroConfig.
      */
     @java.lang.Override
@@ -2836,13 +2641,12 @@ public com.google.pubsub.v1.CloudStorageConfig.AvroConfig getAvroConfig() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setAvroConfig(com.google.pubsub.v1.CloudStorageConfig.AvroConfig value) {
       if (avroConfigBuilder_ == null) {
@@ -2858,13 +2662,12 @@ public Builder setAvroConfig(com.google.pubsub.v1.CloudStorageConfig.AvroConfig
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setAvroConfig(
         com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder builderForValue) {
@@ -2878,24 +2681,19 @@ public Builder setAvroConfig(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeAvroConfig(com.google.pubsub.v1.CloudStorageConfig.AvroConfig value) {
       if (avroConfigBuilder_ == null) {
-        if (outputFormatCase_ == 5
-            && outputFormat_
-                != com.google.pubsub.v1.CloudStorageConfig.AvroConfig.getDefaultInstance()) {
-          outputFormat_ =
-              com.google.pubsub.v1.CloudStorageConfig.AvroConfig.newBuilder(
-                      (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_)
-                  .mergeFrom(value)
-                  .buildPartial();
+        if (outputFormatCase_ == 5 &&
+            outputFormat_ != com.google.pubsub.v1.CloudStorageConfig.AvroConfig.getDefaultInstance()) {
+          outputFormat_ = com.google.pubsub.v1.CloudStorageConfig.AvroConfig.newBuilder((com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_)
+              .mergeFrom(value).buildPartial();
         } else {
           outputFormat_ = value;
         }
@@ -2911,13 +2709,12 @@ public Builder mergeAvroConfig(com.google.pubsub.v1.CloudStorageConfig.AvroConfi
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearAvroConfig() {
       if (avroConfigBuilder_ == null) {
@@ -2936,25 +2733,23 @@ public Builder clearAvroConfig() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder getAvroConfigBuilder() {
       return getAvroConfigFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder getAvroConfigOrBuilder() {
@@ -2968,28 +2763,22 @@ public com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder getAvroConfig
       }
     }
     /**
-     *
-     *
      * 
        -     * If set, message data will be written to Cloud Storage in Avro format.
+     * Optional. If set, message data will be written to Cloud Storage in Avro
+     * format.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
+     * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.CloudStorageConfig.AvroConfig,
-            com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder,
-            com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder>
+        com.google.pubsub.v1.CloudStorageConfig.AvroConfig, com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder, com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder> 
         getAvroConfigFieldBuilder() {
       if (avroConfigBuilder_ == null) {
         if (!(outputFormatCase_ == 5)) {
           outputFormat_ = com.google.pubsub.v1.CloudStorageConfig.AvroConfig.getDefaultInstance();
         }
-        avroConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.CloudStorageConfig.AvroConfig,
-                com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder,
-                com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder>(
+        avroConfigBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.CloudStorageConfig.AvroConfig, com.google.pubsub.v1.CloudStorageConfig.AvroConfig.Builder, com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder>(
                 (com.google.pubsub.v1.CloudStorageConfig.AvroConfig) outputFormat_,
                 getParentForChildren(),
                 isClean());
@@ -3002,58 +2791,45 @@ public com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder getAvroConfig
 
     private com.google.protobuf.Duration maxDuration_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
-        maxDurationBuilder_;
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> maxDurationBuilder_;
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
-     *
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the maxDuration field is set.
      */
     public boolean hasMaxDuration() {
       return ((bitField0_ & 0x00000020) != 0);
     }
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
-     *
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @return The maxDuration.
      */
     public com.google.protobuf.Duration getMaxDuration() {
       if (maxDurationBuilder_ == null) {
-        return maxDuration_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : maxDuration_;
+        return maxDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : maxDuration_;
       } else {
         return maxDurationBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMaxDuration(com.google.protobuf.Duration value) {
       if (maxDurationBuilder_ == null) {
@@ -3069,17 +2845,16 @@ public Builder setMaxDuration(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setMaxDuration(com.google.protobuf.Duration.Builder builderForValue) {
+    public Builder setMaxDuration(
+        com.google.protobuf.Duration.Builder builderForValue) {
       if (maxDurationBuilder_ == null) {
         maxDuration_ = builderForValue.build();
       } else {
@@ -3090,21 +2865,19 @@ public Builder setMaxDuration(com.google.protobuf.Duration.Builder builderForVal
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeMaxDuration(com.google.protobuf.Duration value) {
       if (maxDurationBuilder_ == null) {
-        if (((bitField0_ & 0x00000020) != 0)
-            && maxDuration_ != null
-            && maxDuration_ != com.google.protobuf.Duration.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000020) != 0) &&
+          maxDuration_ != null &&
+          maxDuration_ != com.google.protobuf.Duration.getDefaultInstance()) {
           getMaxDurationBuilder().mergeFrom(value);
         } else {
           maxDuration_ = value;
@@ -3117,15 +2890,13 @@ public Builder mergeMaxDuration(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearMaxDuration() {
       bitField0_ = (bitField0_ & ~0x00000020);
@@ -3138,15 +2909,13 @@ public Builder clearMaxDuration() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.Duration.Builder getMaxDurationBuilder() {
       bitField0_ |= 0x00000020;
@@ -3154,65 +2923,54 @@ public com.google.protobuf.Duration.Builder getMaxDurationBuilder() {
       return getMaxDurationFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.DurationOrBuilder getMaxDurationOrBuilder() {
       if (maxDurationBuilder_ != null) {
         return maxDurationBuilder_.getMessageOrBuilder();
       } else {
-        return maxDuration_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : maxDuration_;
+        return maxDuration_ == null ?
+            com.google.protobuf.Duration.getDefaultInstance() : maxDuration_;
       }
     }
     /**
-     *
-     *
      * 
        -     * The maximum duration that can elapse before a new Cloud Storage file is
-     * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-     * the subscription's acknowledgement deadline.
+     * Optional. The maximum duration that can elapse before a new Cloud Storage
+     * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+     * exceed the subscription's acknowledgement deadline.
      * 
        
      *
-     * .google.protobuf.Duration max_duration = 6;
+     * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
         getMaxDurationFieldBuilder() {
       if (maxDurationBuilder_ == null) {
-        maxDurationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Duration,
-                com.google.protobuf.Duration.Builder,
-                com.google.protobuf.DurationOrBuilder>(
-                getMaxDuration(), getParentForChildren(), isClean());
+        maxDurationBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
+                getMaxDuration(),
+                getParentForChildren(),
+                isClean());
         maxDuration_ = null;
       }
       return maxDurationBuilder_;
     }
 
-    private long maxBytes_;
+    private long maxBytes_ ;
     /**
-     *
-     *
      * 
        -     * The maximum bytes that can be written to a Cloud Storage file before a new
-     * file is created. Min 1 KB, max 10 GiB. The max_bytes limit may be exceeded
-     * in cases where messages are larger than the limit.
+     * Optional. The maximum bytes that can be written to a Cloud Storage file
+     * before a new file is created. Min 1 KB, max 10 GiB. The max_bytes limit may
+     * be exceeded in cases where messages are larger than the limit.
      * 
        
      *
-     * int64 max_bytes = 7;
-     *
+     * int64 max_bytes = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @return The maxBytes.
      */
     @java.lang.Override
@@ -3220,16 +2978,13 @@ public long getMaxBytes() {
       return maxBytes_;
     }
     /**
-     *
-     *
      * 
        -     * The maximum bytes that can be written to a Cloud Storage file before a new
-     * file is created. Min 1 KB, max 10 GiB. The max_bytes limit may be exceeded
-     * in cases where messages are larger than the limit.
+     * Optional. The maximum bytes that can be written to a Cloud Storage file
+     * before a new file is created. Min 1 KB, max 10 GiB. The max_bytes limit may
+     * be exceeded in cases where messages are larger than the limit.
      * 
        
      *
-     * int64 max_bytes = 7;
-     *
+     * int64 max_bytes = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The maxBytes to set.
      * @return This builder for chaining.
      */
@@ -3241,16 +2996,13 @@ public Builder setMaxBytes(long value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum bytes that can be written to a Cloud Storage file before a new
-     * file is created. Min 1 KB, max 10 GiB. The max_bytes limit may be exceeded
-     * in cases where messages are larger than the limit.
+     * Optional. The maximum bytes that can be written to a Cloud Storage file
+     * before a new file is created. Min 1 KB, max 10 GiB. The max_bytes limit may
+     * be exceeded in cases where messages are larger than the limit.
      * 
        
      *
-     * int64 max_bytes = 7;
-     *
+     * int64 max_bytes = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearMaxBytes() {
@@ -3262,35 +3014,24 @@ public Builder clearMaxBytes() {
 
     private int state_ = 0;
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The enum numeric value on the wire for state.
      */
-    @java.lang.Override
-    public int getStateValue() {
+    @java.lang.Override public int getStateValue() {
       return state_;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The enum numeric value on the wire for state to set.
      * @return This builder for chaining.
      */
@@ -3301,37 +3042,26 @@ public Builder setStateValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The state.
      */
     @java.lang.Override
     public com.google.pubsub.v1.CloudStorageConfig.State getState() {
-      com.google.pubsub.v1.CloudStorageConfig.State result =
-          com.google.pubsub.v1.CloudStorageConfig.State.forNumber(state_);
+      com.google.pubsub.v1.CloudStorageConfig.State result = com.google.pubsub.v1.CloudStorageConfig.State.forNumber(state_);
       return result == null ? com.google.pubsub.v1.CloudStorageConfig.State.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The state to set.
      * @return This builder for chaining.
      */
@@ -3345,17 +3075,12 @@ public Builder setState(com.google.pubsub.v1.CloudStorageConfig.State value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return This builder for chaining.
      */
     public Builder clearState() {
@@ -3364,9 +3089,9 @@ public Builder clearState() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -3376,12 +3101,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.CloudStorageConfig)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.CloudStorageConfig)
   private static final com.google.pubsub.v1.CloudStorageConfig DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.CloudStorageConfig();
   }
@@ -3390,27 +3115,27 @@ public static com.google.pubsub.v1.CloudStorageConfig getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public CloudStorageConfig parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public CloudStorageConfig parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -3425,4 +3150,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.CloudStorageConfig getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfigOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfigOrBuilder.java
new file mode 100644
index 000000000..81dec3932
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfigOrBuilder.java
@@ -0,0 +1,209 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface CloudStorageConfigOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.CloudStorageConfig)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. User-provided name for the Cloud Storage bucket.
+   * The bucket must be created by the user. The bucket name must be without
+   * any prefix like "gs://". See the [bucket naming
+   * requirements] (https://cloud.google.com/storage/docs/buckets#naming).
+   * 
        
+   *
+   * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
+   * @return The bucket.
+   */
+  java.lang.String getBucket();
+  /**
+   * 
        +   * Required. User-provided name for the Cloud Storage bucket.
+   * The bucket must be created by the user. The bucket name must be without
+   * any prefix like "gs://". See the [bucket naming
+   * requirements] (https://cloud.google.com/storage/docs/buckets#naming).
+   * 
        
+   *
+   * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
+   * @return The bytes for bucket.
+   */
+  com.google.protobuf.ByteString
+      getBucketBytes();
+
+  /**
+   * 
        +   * Optional. User-provided prefix for Cloud Storage filename. See the [object
+   * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+   * 
        
+   *
+   * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The filenamePrefix.
+   */
+  java.lang.String getFilenamePrefix();
+  /**
+   * 
        +   * Optional. User-provided prefix for Cloud Storage filename. See the [object
+   * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+   * 
        
+   *
+   * string filename_prefix = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for filenamePrefix.
+   */
+  com.google.protobuf.ByteString
+      getFilenamePrefixBytes();
+
+  /**
+   * 
        +   * Optional. User-provided suffix for Cloud Storage filename. See the [object
+   * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+   * Must not end in "/".
+   * 
        
+   *
+   * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The filenameSuffix.
+   */
+  java.lang.String getFilenameSuffix();
+  /**
+   * 
        +   * Optional. User-provided suffix for Cloud Storage filename. See the [object
+   * naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+   * Must not end in "/".
+   * 
        
+   *
+   * string filename_suffix = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for filenameSuffix.
+   */
+  com.google.protobuf.ByteString
+      getFilenameSuffixBytes();
+
+  /**
+   * 
        +   * Optional. If set, message data will be written to Cloud Storage in text
+   * format.
+   * 
        
+   *
+   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the textConfig field is set.
+   */
+  boolean hasTextConfig();
+  /**
+   * 
        +   * Optional. If set, message data will be written to Cloud Storage in text
+   * format.
+   * 
        
+   *
+   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The textConfig.
+   */
+  com.google.pubsub.v1.CloudStorageConfig.TextConfig getTextConfig();
+  /**
+   * 
        +   * Optional. If set, message data will be written to Cloud Storage in text
+   * format.
+   * 
        
+   *
+   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder getTextConfigOrBuilder();
+
+  /**
+   * 
        +   * Optional. If set, message data will be written to Cloud Storage in Avro
+   * format.
+   * 
        
+   *
+   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the avroConfig field is set.
+   */
+  boolean hasAvroConfig();
+  /**
+   * 
        +   * Optional. If set, message data will be written to Cloud Storage in Avro
+   * format.
+   * 
        
+   *
+   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The avroConfig.
+   */
+  com.google.pubsub.v1.CloudStorageConfig.AvroConfig getAvroConfig();
+  /**
+   * 
        +   * Optional. If set, message data will be written to Cloud Storage in Avro
+   * format.
+   * 
        
+   *
+   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder getAvroConfigOrBuilder();
+
+  /**
+   * 
        +   * Optional. The maximum duration that can elapse before a new Cloud Storage
+   * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+   * exceed the subscription's acknowledgement deadline.
+   * 
        
+   *
+   * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the maxDuration field is set.
+   */
+  boolean hasMaxDuration();
+  /**
+   * 
        +   * Optional. The maximum duration that can elapse before a new Cloud Storage
+   * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+   * exceed the subscription's acknowledgement deadline.
+   * 
        
+   *
+   * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The maxDuration.
+   */
+  com.google.protobuf.Duration getMaxDuration();
+  /**
+   * 
        +   * Optional. The maximum duration that can elapse before a new Cloud Storage
+   * file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+   * exceed the subscription's acknowledgement deadline.
+   * 
        
+   *
+   * .google.protobuf.Duration max_duration = 6 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.protobuf.DurationOrBuilder getMaxDurationOrBuilder();
+
+  /**
+   * 
        +   * Optional. The maximum bytes that can be written to a Cloud Storage file
+   * before a new file is created. Min 1 KB, max 10 GiB. The max_bytes limit may
+   * be exceeded in cases where messages are larger than the limit.
+   * 
        
+   *
+   * int64 max_bytes = 7 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The maxBytes.
+   */
+  long getMaxBytes();
+
+  /**
+   * 
        +   * Output only. An output-only field that indicates whether or not the
+   * subscription can receive messages.
+   * 
        
+   *
+   * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * @return The enum numeric value on the wire for state.
+   */
+  int getStateValue();
+  /**
+   * 
        +   * Output only. An output-only field that indicates whether or not the
+   * subscription can receive messages.
+   * 
        
+   *
+   * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
+   * @return The state.
+   */
+  com.google.pubsub.v1.CloudStorageConfig.State getState();
+
+  com.google.pubsub.v1.CloudStorageConfig.OutputFormatCase getOutputFormatCase();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequest.java
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequest.java
index 2c1c5b2dd..d705d62d0 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for CommitSchema method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.CommitSchemaRequest}
  */
-public final class CommitSchemaRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class CommitSchemaRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.CommitSchemaRequest)
     CommitSchemaRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use CommitSchemaRequest.newBuilder() to construct.
   private CommitSchemaRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private CommitSchemaRequest() {
     name_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new CommitSchemaRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_CommitSchemaRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CommitSchemaRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.CommitSchemaRequest.class,
-            com.google.pubsub.v1.CommitSchemaRequest.Builder.class);
+            com.google.pubsub.v1.CommitSchemaRequest.class, com.google.pubsub.v1.CommitSchemaRequest.Builder.class);
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the schema we are revising.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the schema we are revising.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -122,14 +95,11 @@ public com.google.protobuf.ByteString getNameBytes() {
   public static final int SCHEMA_FIELD_NUMBER = 2;
   private com.google.pubsub.v1.Schema schema_;
   /**
-   *
-   *
    * 
            * Required. The schema revision to commit.
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the schema field is set.
    */
   @java.lang.Override
@@ -137,14 +107,11 @@ public boolean hasSchema() {
     return schema_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. The schema revision to commit.
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The schema.
    */
   @java.lang.Override
@@ -152,8 +119,6 @@ public com.google.pubsub.v1.Schema getSchema() {
     return schema_ == null ? com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
   }
   /**
-   *
-   *
    * 
            * Required. The schema revision to commit.
    * 
        
@@ -166,7 +131,6 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -178,7 +142,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -198,7 +163,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
     }
     if (schema_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getSchema());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getSchema());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -208,17 +174,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.CommitSchemaRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.CommitSchemaRequest other = (com.google.pubsub.v1.CommitSchemaRequest) obj;
 
-    if (!getName().equals(other.getName())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
     if (hasSchema() != other.hasSchema()) return false;
     if (hasSchema()) {
-      if (!getSchema().equals(other.getSchema())) return false;
+      if (!getSchema()
+          .equals(other.getSchema())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -242,136 +210,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.CommitSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.CommitSchemaRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.CommitSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.CommitSchemaRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.CommitSchemaRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for CommitSchema method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.CommitSchemaRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.CommitSchemaRequest)
       com.google.pubsub.v1.CommitSchemaRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_CommitSchemaRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CommitSchemaRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.CommitSchemaRequest.class,
-              com.google.pubsub.v1.CommitSchemaRequest.Builder.class);
+              com.google.pubsub.v1.CommitSchemaRequest.class, com.google.pubsub.v1.CommitSchemaRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.CommitSchemaRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -386,9 +350,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor;
     }
 
     @java.lang.Override
@@ -407,11 +371,8 @@ public com.google.pubsub.v1.CommitSchemaRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.CommitSchemaRequest buildPartial() {
-      com.google.pubsub.v1.CommitSchemaRequest result =
-          new com.google.pubsub.v1.CommitSchemaRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.CommitSchemaRequest result = new com.google.pubsub.v1.CommitSchemaRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -422,7 +383,9 @@ private void buildPartial0(com.google.pubsub.v1.CommitSchemaRequest result) {
         result.name_ = name_;
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.schema_ = schemaBuilder_ == null ? schema_ : schemaBuilder_.build();
+        result.schema_ = schemaBuilder_ == null
+            ? schema_
+            : schemaBuilder_.build();
       }
     }
 
@@ -430,39 +393,38 @@ private void buildPartial0(com.google.pubsub.v1.CommitSchemaRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.CommitSchemaRequest) {
-        return mergeFrom((com.google.pubsub.v1.CommitSchemaRequest) other);
+        return mergeFrom((com.google.pubsub.v1.CommitSchemaRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -505,25 +467,24 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getSchemaFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getSchemaFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -533,28 +494,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the schema we are revising.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -563,24 +519,21 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema we are revising.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -588,41 +541,30 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema we are revising.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema we are revising.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -632,24 +574,18 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema we are revising.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -659,33 +595,24 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private com.google.pubsub.v1.Schema schema_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
-        schemaBuilder_;
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> schemaBuilder_;
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return Whether the schema field is set.
      */
     public boolean hasSchema() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The schema.
      */
     public com.google.pubsub.v1.Schema getSchema() {
@@ -696,8 +623,6 @@ public com.google.pubsub.v1.Schema getSchema() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
@@ -718,15 +643,14 @@ public Builder setSchema(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder setSchema(
+        com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemaBuilder_ == null) {
         schema_ = builderForValue.build();
       } else {
@@ -737,8 +661,6 @@ public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
@@ -747,9 +669,9 @@ public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
      */
     public Builder mergeSchema(com.google.pubsub.v1.Schema value) {
       if (schemaBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && schema_ != null
-            && schema_ != com.google.pubsub.v1.Schema.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          schema_ != null &&
+          schema_ != com.google.pubsub.v1.Schema.getDefaultInstance()) {
           getSchemaBuilder().mergeFrom(value);
         } else {
           schema_ = value;
@@ -762,8 +684,6 @@ public Builder mergeSchema(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
@@ -781,8 +701,6 @@ public Builder clearSchema() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
@@ -795,8 +713,6 @@ public com.google.pubsub.v1.Schema.Builder getSchemaBuilder() {
       return getSchemaFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
@@ -807,12 +723,11 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
       if (schemaBuilder_ != null) {
         return schemaBuilder_.getMessageOrBuilder();
       } else {
-        return schema_ == null ? com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
+        return schema_ == null ?
+            com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The schema revision to commit.
      * 
        
@@ -820,24 +735,21 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> 
         getSchemaFieldBuilder() {
       if (schemaBuilder_ == null) {
-        schemaBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.Schema,
-                com.google.pubsub.v1.Schema.Builder,
-                com.google.pubsub.v1.SchemaOrBuilder>(
-                getSchema(), getParentForChildren(), isClean());
+        schemaBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder>(
+                getSchema(),
+                getParentForChildren(),
+                isClean());
         schema_ = null;
       }
       return schemaBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -847,12 +759,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.CommitSchemaRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.CommitSchemaRequest)
   private static final com.google.pubsub.v1.CommitSchemaRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.CommitSchemaRequest();
   }
@@ -861,27 +773,27 @@ public static com.google.pubsub.v1.CommitSchemaRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public CommitSchemaRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public CommitSchemaRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -896,4 +808,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.CommitSchemaRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequestOrBuilder.java
similarity index 57%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequestOrBuilder.java
index 3bdf1c9bf..609eb1d4b 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CommitSchemaRequestOrBuilder.java
@@ -1,86 +1,53 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface CommitSchemaRequestOrBuilder
-    extends
+public interface CommitSchemaRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.CommitSchemaRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the schema we are revising.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. The name of the schema we are revising.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * Required. The schema revision to commit.
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the schema field is set.
    */
   boolean hasSchema();
   /**
-   *
-   *
    * 
            * Required. The schema revision to commit.
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The schema.
    */
   com.google.pubsub.v1.Schema getSchema();
   /**
-   *
-   *
    * 
            * Required. The schema revision to commit.
    * 
        
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequest.java
similarity index 69%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequest.java
index e1707114d..19eebed39 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the CreateSchema method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.CreateSchemaRequest}
  */
-public final class CreateSchemaRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class CreateSchemaRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.CreateSchemaRequest)
     CreateSchemaRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use CreateSchemaRequest.newBuilder() to construct.
   private CreateSchemaRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private CreateSchemaRequest() {
     parent_ = "";
     schemaId_ = "";
@@ -44,41 +26,34 @@ private CreateSchemaRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new CreateSchemaRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_CreateSchemaRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CreateSchemaRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.CreateSchemaRequest.class,
-            com.google.pubsub.v1.CreateSchemaRequest.Builder.class);
+            com.google.pubsub.v1.CreateSchemaRequest.class, com.google.pubsub.v1.CreateSchemaRequest.Builder.class);
   }
 
   public static final int PARENT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object parent_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to create the schema.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The parent.
    */
   @java.lang.Override
@@ -87,32 +62,30 @@ public java.lang.String getParent() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       parent_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to create the schema.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for parent.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getParentBytes() {
+  public com.google.protobuf.ByteString
+      getParentBytes() {
     java.lang.Object ref = parent_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       parent_ = b;
       return b;
     } else {
@@ -123,8 +96,6 @@ public com.google.protobuf.ByteString getParentBytes() {
   public static final int SCHEMA_FIELD_NUMBER = 2;
   private com.google.pubsub.v1.Schema schema_;
   /**
-   *
-   *
    * 
            * Required. The schema object to create.
    *
@@ -134,7 +105,6 @@ public com.google.protobuf.ByteString getParentBytes() {
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the schema field is set.
    */
   @java.lang.Override
@@ -142,8 +112,6 @@ public boolean hasSchema() {
     return schema_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. The schema object to create.
    *
@@ -153,7 +121,6 @@ public boolean hasSchema() {
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The schema.
    */
   @java.lang.Override
@@ -161,8 +128,6 @@ public com.google.pubsub.v1.Schema getSchema() {
     return schema_ == null ? com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
   }
   /**
-   *
-   *
    * 
            * Required. The schema object to create.
    *
@@ -179,22 +144,18 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
   }
 
   public static final int SCHEMA_ID_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object schemaId_ = "";
   /**
-   *
-   *
    * 
            * The ID to use for the schema, which will become the final component of
    * the schema's resource name.
    *
-   * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-   * name constraints.
+   * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+   * resource name constraints.
    * 
        
    *
    * string schema_id = 3;
-   *
    * @return The schemaId.
    */
   @java.lang.Override
@@ -203,33 +164,33 @@ public java.lang.String getSchemaId() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       schemaId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * The ID to use for the schema, which will become the final component of
    * the schema's resource name.
    *
-   * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-   * name constraints.
+   * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+   * resource name constraints.
    * 
        
    *
    * string schema_id = 3;
-   *
    * @return The bytes for schemaId.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSchemaIdBytes() {
+  public com.google.protobuf.ByteString
+      getSchemaIdBytes() {
     java.lang.Object ref = schemaId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       schemaId_ = b;
       return b;
     } else {
@@ -238,7 +199,6 @@ public com.google.protobuf.ByteString getSchemaIdBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -250,7 +210,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
     }
@@ -273,7 +234,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
     }
     if (schema_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getSchema());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getSchema());
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(schemaId_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, schemaId_);
@@ -286,19 +248,22 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.CreateSchemaRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.CreateSchemaRequest other = (com.google.pubsub.v1.CreateSchemaRequest) obj;
 
-    if (!getParent().equals(other.getParent())) return false;
+    if (!getParent()
+        .equals(other.getParent())) return false;
     if (hasSchema() != other.hasSchema()) return false;
     if (hasSchema()) {
-      if (!getSchema().equals(other.getSchema())) return false;
+      if (!getSchema()
+          .equals(other.getSchema())) return false;
     }
-    if (!getSchemaId().equals(other.getSchemaId())) return false;
+    if (!getSchemaId()
+        .equals(other.getSchemaId())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -323,136 +288,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.CreateSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.CreateSchemaRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.CreateSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.CreateSchemaRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.CreateSchemaRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the CreateSchema method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.CreateSchemaRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.CreateSchemaRequest)
       com.google.pubsub.v1.CreateSchemaRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_CreateSchemaRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CreateSchemaRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.CreateSchemaRequest.class,
-              com.google.pubsub.v1.CreateSchemaRequest.Builder.class);
+              com.google.pubsub.v1.CreateSchemaRequest.class, com.google.pubsub.v1.CreateSchemaRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.CreateSchemaRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -468,9 +429,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor;
     }
 
     @java.lang.Override
@@ -489,11 +450,8 @@ public com.google.pubsub.v1.CreateSchemaRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.CreateSchemaRequest buildPartial() {
-      com.google.pubsub.v1.CreateSchemaRequest result =
-          new com.google.pubsub.v1.CreateSchemaRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.CreateSchemaRequest result = new com.google.pubsub.v1.CreateSchemaRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -504,7 +462,9 @@ private void buildPartial0(com.google.pubsub.v1.CreateSchemaRequest result) {
         result.parent_ = parent_;
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.schema_ = schemaBuilder_ == null ? schema_ : schemaBuilder_.build();
+        result.schema_ = schemaBuilder_ == null
+            ? schema_
+            : schemaBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000004) != 0)) {
         result.schemaId_ = schemaId_;
@@ -515,39 +475,38 @@ private void buildPartial0(com.google.pubsub.v1.CreateSchemaRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.CreateSchemaRequest) {
-        return mergeFrom((com.google.pubsub.v1.CreateSchemaRequest) other);
+        return mergeFrom((com.google.pubsub.v1.CreateSchemaRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -595,31 +554,29 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                parent_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getSchemaFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 26:
-              {
-                schemaId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              parent_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getSchemaFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 26: {
+              schemaId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -629,28 +586,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object parent_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to create the schema.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The parent.
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         parent_ = s;
         return s;
@@ -659,24 +611,21 @@ public java.lang.String getParent() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to create the schema.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for parent.
      */
-    public com.google.protobuf.ByteString getParentBytes() {
+    public com.google.protobuf.ByteString
+        getParentBytes() {
       java.lang.Object ref = parent_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         parent_ = b;
         return b;
       } else {
@@ -684,41 +633,30 @@ public com.google.protobuf.ByteString getParentBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to create the schema.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The parent to set.
      * @return This builder for chaining.
      */
-    public Builder setParent(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setParent(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       parent_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to create the schema.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearParent() {
@@ -728,24 +666,18 @@ public Builder clearParent() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to create the schema.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for parent to set.
      * @return This builder for chaining.
      */
-    public Builder setParentBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setParentBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       parent_ = value;
       bitField0_ |= 0x00000001;
@@ -755,13 +687,8 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
 
     private com.google.pubsub.v1.Schema schema_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
-        schemaBuilder_;
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> schemaBuilder_;
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -771,15 +698,12 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return Whether the schema field is set.
      */
     public boolean hasSchema() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -789,7 +713,6 @@ public boolean hasSchema() {
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The schema.
      */
     public com.google.pubsub.v1.Schema getSchema() {
@@ -800,8 +723,6 @@ public com.google.pubsub.v1.Schema getSchema() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -826,8 +747,6 @@ public Builder setSchema(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -838,7 +757,8 @@ public Builder setSchema(com.google.pubsub.v1.Schema value) {
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder setSchema(
+        com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemaBuilder_ == null) {
         schema_ = builderForValue.build();
       } else {
@@ -849,8 +769,6 @@ public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -863,9 +781,9 @@ public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
      */
     public Builder mergeSchema(com.google.pubsub.v1.Schema value) {
       if (schemaBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && schema_ != null
-            && schema_ != com.google.pubsub.v1.Schema.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          schema_ != null &&
+          schema_ != com.google.pubsub.v1.Schema.getDefaultInstance()) {
           getSchemaBuilder().mergeFrom(value);
         } else {
           schema_ = value;
@@ -878,8 +796,6 @@ public Builder mergeSchema(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -901,8 +817,6 @@ public Builder clearSchema() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -919,8 +833,6 @@ public com.google.pubsub.v1.Schema.Builder getSchemaBuilder() {
       return getSchemaFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -935,12 +847,11 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
       if (schemaBuilder_ != null) {
         return schemaBuilder_.getMessageOrBuilder();
       } else {
-        return schema_ == null ? com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
+        return schema_ == null ?
+            com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to create.
      *
@@ -952,17 +863,14 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> 
         getSchemaFieldBuilder() {
       if (schemaBuilder_ == null) {
-        schemaBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.Schema,
-                com.google.pubsub.v1.Schema.Builder,
-                com.google.pubsub.v1.SchemaOrBuilder>(
-                getSchema(), getParentForChildren(), isClean());
+        schemaBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder>(
+                getSchema(),
+                getParentForChildren(),
+                isClean());
         schema_ = null;
       }
       return schemaBuilder_;
@@ -970,24 +878,22 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
 
     private java.lang.Object schemaId_ = "";
     /**
-     *
-     *
      * 
              * The ID to use for the schema, which will become the final component of
      * the schema's resource name.
      *
-     * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-     * name constraints.
+     * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+     * resource name constraints.
      * 
        
      *
      * string schema_id = 3;
-     *
      * @return The schemaId.
      */
     public java.lang.String getSchemaId() {
       java.lang.Object ref = schemaId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         schemaId_ = s;
         return s;
@@ -996,25 +902,24 @@ public java.lang.String getSchemaId() {
       }
     }
     /**
-     *
-     *
      * 
              * The ID to use for the schema, which will become the final component of
      * the schema's resource name.
      *
-     * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-     * name constraints.
+     * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+     * resource name constraints.
      * 
        
      *
      * string schema_id = 3;
-     *
      * @return The bytes for schemaId.
      */
-    public com.google.protobuf.ByteString getSchemaIdBytes() {
+    public com.google.protobuf.ByteString
+        getSchemaIdBytes() {
       java.lang.Object ref = schemaId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         schemaId_ = b;
         return b;
       } else {
@@ -1022,43 +927,36 @@ public com.google.protobuf.ByteString getSchemaIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * The ID to use for the schema, which will become the final component of
      * the schema's resource name.
      *
-     * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-     * name constraints.
+     * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+     * resource name constraints.
      * 
        
      *
      * string schema_id = 3;
-     *
      * @param value The schemaId to set.
      * @return This builder for chaining.
      */
-    public Builder setSchemaId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSchemaId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       schemaId_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * The ID to use for the schema, which will become the final component of
      * the schema's resource name.
      *
-     * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-     * name constraints.
+     * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+     * resource name constraints.
      * 
        
      *
      * string schema_id = 3;
-     *
      * @return This builder for chaining.
      */
     public Builder clearSchemaId() {
@@ -1068,34 +966,30 @@ public Builder clearSchemaId() {
       return this;
     }
     /**
-     *
-     *
      * 
              * The ID to use for the schema, which will become the final component of
      * the schema's resource name.
      *
-     * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-     * name constraints.
+     * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+     * resource name constraints.
      * 
        
      *
      * string schema_id = 3;
-     *
      * @param value The bytes for schemaId to set.
      * @return This builder for chaining.
      */
-    public Builder setSchemaIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSchemaIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       schemaId_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1105,12 +999,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.CreateSchemaRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.CreateSchemaRequest)
   private static final com.google.pubsub.v1.CreateSchemaRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.CreateSchemaRequest();
   }
@@ -1119,27 +1013,27 @@ public static com.google.pubsub.v1.CreateSchemaRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public CreateSchemaRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public CreateSchemaRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1154,4 +1048,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.CreateSchemaRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequestOrBuilder.java
similarity index 64%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequestOrBuilder.java
index 553b3ae0d..422aaf2e8 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSchemaRequestOrBuilder.java
@@ -1,62 +1,35 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface CreateSchemaRequestOrBuilder
-    extends
+public interface CreateSchemaRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.CreateSchemaRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to create the schema.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The parent.
    */
   java.lang.String getParent();
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to create the schema.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for parent.
    */
-  com.google.protobuf.ByteString getParentBytes();
+  com.google.protobuf.ByteString
+      getParentBytes();
 
   /**
-   *
-   *
    * 
            * Required. The schema object to create.
    *
@@ -66,13 +39,10 @@ public interface CreateSchemaRequestOrBuilder
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the schema field is set.
    */
   boolean hasSchema();
   /**
-   *
-   *
    * 
            * Required. The schema object to create.
    *
@@ -82,13 +52,10 @@ public interface CreateSchemaRequestOrBuilder
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The schema.
    */
   com.google.pubsub.v1.Schema getSchema();
   /**
-   *
-   *
    * 
            * Required. The schema object to create.
    *
@@ -102,35 +69,30 @@ public interface CreateSchemaRequestOrBuilder
   com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder();
 
   /**
-   *
-   *
    * 
            * The ID to use for the schema, which will become the final component of
    * the schema's resource name.
    *
-   * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-   * name constraints.
+   * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+   * resource name constraints.
    * 
        
    *
    * string schema_id = 3;
-   *
    * @return The schemaId.
    */
   java.lang.String getSchemaId();
   /**
-   *
-   *
    * 
            * The ID to use for the schema, which will become the final component of
    * the schema's resource name.
    *
-   * See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-   * name constraints.
+   * See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+   * resource name constraints.
    * 
        
    *
    * string schema_id = 3;
-   *
    * @return The bytes for schemaId.
    */
-  com.google.protobuf.ByteString getSchemaIdBytes();
+  com.google.protobuf.ByteString
+      getSchemaIdBytes();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequest.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequest.java
index a270976cd..075ee9d24 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `CreateSnapshot` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.CreateSnapshotRequest}
  */
-public final class CreateSnapshotRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class CreateSnapshotRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.CreateSnapshotRequest)
     CreateSnapshotRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use CreateSnapshotRequest.newBuilder() to construct.
   private CreateSnapshotRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private CreateSnapshotRequest() {
     name_ = "";
     subscription_ = "";
@@ -44,43 +26,40 @@ private CreateSnapshotRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new CreateSnapshotRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor;
   }
 
   @SuppressWarnings({"rawtypes"})
   @java.lang.Override
-  protected com.google.protobuf.MapField internalGetMapField(int number) {
+  protected com.google.protobuf.MapField internalGetMapField(
+      int number) {
     switch (number) {
       case 3:
         return internalGetLabels();
       default:
-        throw new RuntimeException("Invalid map field number: " + number);
+        throw new RuntimeException(
+            "Invalid map field number: " + number);
     }
   }
-
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_CreateSnapshotRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CreateSnapshotRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.CreateSnapshotRequest.class,
-            com.google.pubsub.v1.CreateSnapshotRequest.Builder.class);
+            com.google.pubsub.v1.CreateSnapshotRequest.class, com.google.pubsub.v1.CreateSnapshotRequest.Builder.class);
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. User-provided name for this snapshot. If the name is not provided
    * in the request, the server will assign a random name for this snapshot on
@@ -90,10 +69,7 @@ protected com.google.protobuf.MapField internalGetMapField(int number) {
    * Format is `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   @java.lang.Override
@@ -102,15 +78,14 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. User-provided name for this snapshot. If the name is not provided
    * in the request, the server will assign a random name for this snapshot on
@@ -120,18 +95,17 @@ public java.lang.String getName() {
    * Format is `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -140,12 +114,9 @@ public com.google.protobuf.ByteString getNameBytes() {
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The subscription whose backlog the snapshot retains.
    * Specifically, the created snapshot is guaranteed to retain:
@@ -158,10 +129,7 @@ public com.google.protobuf.ByteString getNameBytes() {
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -170,15 +138,14 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The subscription whose backlog the snapshot retains.
    * Specifically, the created snapshot is guaranteed to retain:
@@ -191,18 +158,17 @@ public java.lang.String getSubscription() {
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -211,105 +177,98 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   }
 
   public static final int LABELS_FIELD_NUMBER = 3;
-
   private static final class LabelsDefaultEntryHolder {
-    static final com.google.protobuf.MapEntry defaultEntry =
-        com.google.protobuf.MapEntry.newDefaultInstance(
-            com.google.pubsub.v1.PubsubProto
-                .internal_static_google_pubsub_v1_CreateSnapshotRequest_LabelsEntry_descriptor,
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "",
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "");
+    static final com.google.protobuf.MapEntry<
+        java.lang.String, java.lang.String> defaultEntry =
+            com.google.protobuf.MapEntry
+            .newDefaultInstance(
+                com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CreateSnapshotRequest_LabelsEntry_descriptor, 
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "",
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "");
   }
-
   @SuppressWarnings("serial")
-  private com.google.protobuf.MapField labels_;
-
-  private com.google.protobuf.MapField internalGetLabels() {
+  private com.google.protobuf.MapField<
+      java.lang.String, java.lang.String> labels_;
+  private com.google.protobuf.MapField
+  internalGetLabels() {
     if (labels_ == null) {
-      return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+      return com.google.protobuf.MapField.emptyMapField(
+          LabelsDefaultEntryHolder.defaultEntry);
     }
     return labels_;
   }
-
   public int getLabelsCount() {
     return internalGetLabels().getMap().size();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public boolean containsLabels(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
+  public boolean containsLabels(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
     return internalGetLabels().getMap().containsKey(key);
   }
-  /** Use {@link #getLabelsMap()} instead. */
+  /**
+   * Use {@link #getLabelsMap()} instead.
+   */
   @java.lang.Override
   @java.lang.Deprecated
   public java.util.Map getLabels() {
     return getLabelsMap();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.Map getLabelsMap() {
     return internalGetLabels().getMap();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public /* nullable */ java.lang.String getLabelsOrDefault(
+  public /* nullable */
+java.lang.String getLabelsOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetLabels().getMap();
+java.lang.String defaultValue) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetLabels().getMap();
     return map.containsKey(key) ? map.get(key) : defaultValue;
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.lang.String getLabelsOrThrow(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetLabels().getMap();
+  public java.lang.String getLabelsOrThrow(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetLabels().getMap();
     if (!map.containsKey(key)) {
       throw new java.lang.IllegalArgumentException();
     }
@@ -317,7 +276,6 @@ public java.lang.String getLabelsOrThrow(java.lang.String key) {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -329,15 +287,20 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 2, subscription_);
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
-        output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 3);
+    com.google.protobuf.GeneratedMessageV3
+      .serializeStringMapTo(
+        output,
+        internalGetLabels(),
+        LabelsDefaultEntryHolder.defaultEntry,
+        3);
     getUnknownFields().writeTo(output);
   }
 
@@ -353,15 +316,15 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, subscription_);
     }
-    for (java.util.Map.Entry entry :
-        internalGetLabels().getMap().entrySet()) {
-      com.google.protobuf.MapEntry labels__ =
-          LabelsDefaultEntryHolder.defaultEntry
-              .newBuilderForType()
-              .setKey(entry.getKey())
-              .setValue(entry.getValue())
-              .build();
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, labels__);
+    for (java.util.Map.Entry entry
+         : internalGetLabels().getMap().entrySet()) {
+      com.google.protobuf.MapEntry
+      labels__ = LabelsDefaultEntryHolder.defaultEntry.newBuilderForType()
+          .setKey(entry.getKey())
+          .setValue(entry.getValue())
+          .build();
+      size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(3, labels__);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -371,17 +334,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.CreateSnapshotRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.CreateSnapshotRequest other =
-        (com.google.pubsub.v1.CreateSnapshotRequest) obj;
+    com.google.pubsub.v1.CreateSnapshotRequest other = (com.google.pubsub.v1.CreateSnapshotRequest) obj;
 
-    if (!getName().equals(other.getName())) return false;
-    if (!getSubscription().equals(other.getSubscription())) return false;
-    if (!internalGetLabels().equals(other.internalGetLabels())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
+    if (!internalGetLabels().equals(
+        other.internalGetLabels())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -406,156 +371,154 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.CreateSnapshotRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.CreateSnapshotRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.CreateSnapshotRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.CreateSnapshotRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.CreateSnapshotRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `CreateSnapshot` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.CreateSnapshotRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.CreateSnapshotRequest)
       com.google.pubsub.v1.CreateSnapshotRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor;
     }
 
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMapField(
+        int number) {
       switch (number) {
         case 3:
           return internalGetLabels();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMutableMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMutableMapField(
+        int number) {
       switch (number) {
         case 3:
           return internalGetMutableLabels();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CreateSnapshotRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CreateSnapshotRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.CreateSnapshotRequest.class,
-              com.google.pubsub.v1.CreateSnapshotRequest.Builder.class);
+              com.google.pubsub.v1.CreateSnapshotRequest.class, com.google.pubsub.v1.CreateSnapshotRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.CreateSnapshotRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -567,9 +530,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor;
     }
 
     @java.lang.Override
@@ -588,11 +551,8 @@ public com.google.pubsub.v1.CreateSnapshotRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.CreateSnapshotRequest buildPartial() {
-      com.google.pubsub.v1.CreateSnapshotRequest result =
-          new com.google.pubsub.v1.CreateSnapshotRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.CreateSnapshotRequest result = new com.google.pubsub.v1.CreateSnapshotRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -615,39 +575,38 @@ private void buildPartial0(com.google.pubsub.v1.CreateSnapshotRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.CreateSnapshotRequest) {
-        return mergeFrom((com.google.pubsub.v1.CreateSnapshotRequest) other);
+        return mergeFrom((com.google.pubsub.v1.CreateSnapshotRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -666,7 +625,8 @@ public Builder mergeFrom(com.google.pubsub.v1.CreateSnapshotRequest other) {
         bitField0_ |= 0x00000002;
         onChanged();
       }
-      internalGetMutableLabels().mergeFrom(other.internalGetLabels());
+      internalGetMutableLabels().mergeFrom(
+          other.internalGetLabels());
       bitField0_ |= 0x00000004;
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
@@ -694,37 +654,31 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 26:
-              {
-                com.google.protobuf.MapEntry labels__ =
-                    input.readMessage(
-                        LabelsDefaultEntryHolder.defaultEntry.getParserForType(),
-                        extensionRegistry);
-                internalGetMutableLabels()
-                    .getMutableMap()
-                    .put(labels__.getKey(), labels__.getValue());
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 26: {
+              com.google.protobuf.MapEntry
+              labels__ = input.readMessage(
+                  LabelsDefaultEntryHolder.defaultEntry.getParserForType(), extensionRegistry);
+              internalGetMutableLabels().getMutableMap().put(
+                  labels__.getKey(), labels__.getValue());
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -734,13 +688,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. User-provided name for this snapshot. If the name is not provided
      * in the request, the server will assign a random name for this snapshot on
@@ -750,16 +701,14 @@ public Builder mergeFrom(
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -768,8 +717,6 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. User-provided name for this snapshot. If the name is not provided
      * in the request, the server will assign a random name for this snapshot on
@@ -779,17 +726,16 @@ public java.lang.String getName() {
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -797,8 +743,6 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. User-provided name for this snapshot. If the name is not provided
      * in the request, the server will assign a random name for this snapshot on
@@ -808,25 +752,19 @@ public com.google.protobuf.ByteString getNameBytes() {
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. User-provided name for this snapshot. If the name is not provided
      * in the request, the server will assign a random name for this snapshot on
@@ -836,10 +774,7 @@ public Builder setName(java.lang.String value) {
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -849,8 +784,6 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. User-provided name for this snapshot. If the name is not provided
      * in the request, the server will assign a random name for this snapshot on
@@ -860,17 +793,13 @@ public Builder clearName() {
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -880,8 +809,6 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The subscription whose backlog the snapshot retains.
      * Specifically, the created snapshot is guaranteed to retain:
@@ -894,16 +821,14 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -912,8 +837,6 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription whose backlog the snapshot retains.
      * Specifically, the created snapshot is guaranteed to retain:
@@ -926,17 +849,16 @@ public java.lang.String getSubscription() {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -944,8 +866,6 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription whose backlog the snapshot retains.
      * Specifically, the created snapshot is guaranteed to retain:
@@ -958,25 +878,19 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription whose backlog the snapshot retains.
      * Specifically, the created snapshot is guaranteed to retain:
@@ -989,10 +903,7 @@ public Builder setSubscription(java.lang.String value) {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -1002,8 +913,6 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription whose backlog the snapshot retains.
      * Specifically, the created snapshot is guaranteed to retain:
@@ -1016,17 +925,13 @@ public Builder clearSubscription() {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000002;
@@ -1034,19 +939,21 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private com.google.protobuf.MapField labels_;
-
-    private com.google.protobuf.MapField internalGetLabels() {
+    private com.google.protobuf.MapField<
+        java.lang.String, java.lang.String> labels_;
+    private com.google.protobuf.MapField
+        internalGetLabels() {
       if (labels_ == null) {
-        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+        return com.google.protobuf.MapField.emptyMapField(
+            LabelsDefaultEntryHolder.defaultEntry);
       }
       return labels_;
     }
-
     private com.google.protobuf.MapField
         internalGetMutableLabels() {
       if (labels_ == null) {
-        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
+        labels_ = com.google.protobuf.MapField.newMapField(
+            LabelsDefaultEntryHolder.defaultEntry);
       }
       if (!labels_.isMutable()) {
         labels_ = labels_.copy();
@@ -1055,157 +962,147 @@ private com.google.protobuf.MapField interna
       onChanged();
       return labels_;
     }
-
     public int getLabelsCount() {
       return internalGetLabels().getMap().size();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 3;
+     * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public boolean containsLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
+    public boolean containsLabels(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
       return internalGetLabels().getMap().containsKey(key);
     }
-    /** Use {@link #getLabelsMap()} instead. */
+    /**
+     * Use {@link #getLabelsMap()} instead.
+     */
     @java.lang.Override
     @java.lang.Deprecated
     public java.util.Map getLabels() {
       return getLabelsMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 3;
+     * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public java.util.Map getLabelsMap() {
       return internalGetLabels().getMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 3;
+     * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public /* nullable */ java.lang.String getLabelsOrDefault(
+    public /* nullable */
+java.lang.String getLabelsOrDefault(
         java.lang.String key,
         /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
+java.lang.String defaultValue) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetLabels().getMap();
       return map.containsKey(key) ? map.get(key) : defaultValue;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 3;
+     * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public java.lang.String getLabelsOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
+    public java.lang.String getLabelsOrThrow(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetLabels().getMap();
       if (!map.containsKey(key)) {
         throw new java.lang.IllegalArgumentException();
       }
       return map.get(key);
     }
-
     public Builder clearLabels() {
       bitField0_ = (bitField0_ & ~0x00000004);
-      internalGetMutableLabels().getMutableMap().clear();
+      internalGetMutableLabels().getMutableMap()
+          .clear();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 3;
+     * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder removeLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableLabels().getMutableMap().remove(key);
+    public Builder removeLabels(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      internalGetMutableLabels().getMutableMap()
+          .remove(key);
       return this;
     }
-    /** Use alternate mutation accessors instead. */
+    /**
+     * Use alternate mutation accessors instead.
+     */
     @java.lang.Deprecated
-    public java.util.Map getMutableLabels() {
+    public java.util.Map
+        getMutableLabels() {
       bitField0_ |= 0x00000004;
       return internalGetMutableLabels().getMutableMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 3;
+     * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putLabels(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      if (value == null) {
-        throw new NullPointerException("map value");
-      }
-      internalGetMutableLabels().getMutableMap().put(key, value);
+    public Builder putLabels(
+        java.lang.String key,
+        java.lang.String value) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      if (value == null) { throw new NullPointerException("map value"); }
+      internalGetMutableLabels().getMutableMap()
+          .put(key, value);
       bitField0_ |= 0x00000004;
       return this;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 3;
+     * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putAllLabels(java.util.Map values) {
-      internalGetMutableLabels().getMutableMap().putAll(values);
+    public Builder putAllLabels(
+        java.util.Map values) {
+      internalGetMutableLabels().getMutableMap()
+          .putAll(values);
       bitField0_ |= 0x00000004;
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1215,12 +1112,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.CreateSnapshotRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.CreateSnapshotRequest)
   private static final com.google.pubsub.v1.CreateSnapshotRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.CreateSnapshotRequest();
   }
@@ -1229,27 +1126,27 @@ public static com.google.pubsub.v1.CreateSnapshotRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public CreateSnapshotRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public CreateSnapshotRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1264,4 +1161,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.CreateSnapshotRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequestOrBuilder.java
similarity index 59%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequestOrBuilder.java
index 0f575c7d2..dc44dcc63 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CreateSnapshotRequestOrBuilder.java
@@ -1,31 +1,13 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface CreateSnapshotRequestOrBuilder
-    extends
+public interface CreateSnapshotRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.CreateSnapshotRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. User-provided name for this snapshot. If the name is not provided
    * in the request, the server will assign a random name for this snapshot on
@@ -35,16 +17,11 @@ public interface CreateSnapshotRequestOrBuilder
    * Format is `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. User-provided name for this snapshot. If the name is not provided
    * in the request, the server will assign a random name for this snapshot on
@@ -54,17 +31,13 @@ public interface CreateSnapshotRequestOrBuilder
    * Format is `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * Required. The subscription whose backlog the snapshot retains.
    * Specifically, the created snapshot is guaranteed to retain:
@@ -77,16 +50,11 @@ public interface CreateSnapshotRequestOrBuilder
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   java.lang.String getSubscription();
   /**
-   *
-   *
    * 
            * Required. The subscription whose backlog the snapshot retains.
    * Specifically, the created snapshot is guaranteed to retain:
@@ -99,74 +67,68 @@ public interface CreateSnapshotRequestOrBuilder
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
-  com.google.protobuf.ByteString getSubscriptionBytes();
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
 
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   int getLabelsCount();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  boolean containsLabels(
+      java.lang.String key);
+  /**
+   * Use {@link #getLabelsMap()} instead.
    */
-  boolean containsLabels(java.lang.String key);
-  /** Use {@link #getLabelsMap()} instead. */
   @java.lang.Deprecated
-  java.util.Map getLabels();
+  java.util.Map
+  getLabels();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.util.Map getLabelsMap();
+  java.util.Map
+  getLabelsMap();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   /* nullable */
-  java.lang.String getLabelsOrDefault(
+java.lang.String getLabelsOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue);
+java.lang.String defaultValue);
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 3;
+   * map<string, string> labels = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.lang.String getLabelsOrThrow(java.lang.String key);
+  java.lang.String getLabelsOrThrow(
+      java.lang.String key);
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicy.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicy.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicy.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicy.java
index aa2f9027b..cbd6c2cf8 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicy.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicy.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Dead lettering is done on a best effort basis. The same message might be
  * dead lettered multiple times.
@@ -31,62 +14,56 @@
  *
  * Protobuf type {@code google.pubsub.v1.DeadLetterPolicy}
  */
-public final class DeadLetterPolicy extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class DeadLetterPolicy extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.DeadLetterPolicy)
     DeadLetterPolicyOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use DeadLetterPolicy.newBuilder() to construct.
   private DeadLetterPolicy(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private DeadLetterPolicy() {
     deadLetterTopic_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new DeadLetterPolicy();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DeadLetterPolicy_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeadLetterPolicy_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.DeadLetterPolicy.class,
-            com.google.pubsub.v1.DeadLetterPolicy.Builder.class);
+            com.google.pubsub.v1.DeadLetterPolicy.class, com.google.pubsub.v1.DeadLetterPolicy.Builder.class);
   }
 
   public static final int DEAD_LETTER_TOPIC_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object deadLetterTopic_ = "";
   /**
-   *
-   *
    * 
        -   * The name of the topic to which dead letter messages should be published.
-   * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-   * account associated with the enclosing subscription's parent project (i.e.,
-   * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-   * permission to Publish() to this topic.
+   * Optional. The name of the topic to which dead letter messages should be
+   * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+   * service account associated with the enclosing subscription's parent project
+   * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+   * have permission to Publish() to this topic.
    *
    * The operation will fail if the topic does not exist.
    * Users should ensure that there is a subscription attached to this topic
    * since messages published to a topic with no subscriptions are lost.
    * 
        
    *
-   * string dead_letter_topic = 1;
-   *
+   * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The deadLetterTopic.
    */
   @java.lang.Override
@@ -95,37 +72,37 @@ public java.lang.String getDeadLetterTopic() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       deadLetterTopic_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The name of the topic to which dead letter messages should be published.
-   * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-   * account associated with the enclosing subscription's parent project (i.e.,
-   * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-   * permission to Publish() to this topic.
+   * Optional. The name of the topic to which dead letter messages should be
+   * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+   * service account associated with the enclosing subscription's parent project
+   * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+   * have permission to Publish() to this topic.
    *
    * The operation will fail if the topic does not exist.
    * Users should ensure that there is a subscription attached to this topic
    * since messages published to a topic with no subscriptions are lost.
    * 
        
    *
-   * string dead_letter_topic = 1;
-   *
+   * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for deadLetterTopic.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getDeadLetterTopicBytes() {
+  public com.google.protobuf.ByteString
+      getDeadLetterTopicBytes() {
     java.lang.Object ref = deadLetterTopic_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       deadLetterTopic_ = b;
       return b;
     } else {
@@ -136,11 +113,9 @@ public com.google.protobuf.ByteString getDeadLetterTopicBytes() {
   public static final int MAX_DELIVERY_ATTEMPTS_FIELD_NUMBER = 2;
   private int maxDeliveryAttempts_ = 0;
   /**
-   *
-   *
    * 
        -   * The maximum number of delivery attempts for any message. The value must be
-   * between 5 and 100.
+   * Optional. The maximum number of delivery attempts for any message. The
+   * value must be between 5 and 100.
    *
    * The number of delivery attempts is defined as 1 + (the sum of number of
    * NACKs and number of times the acknowledgement deadline has been exceeded
@@ -154,8 +129,7 @@ public com.google.protobuf.ByteString getDeadLetterTopicBytes() {
    * If this parameter is 0, a default value of 5 is used.
    * 
        
    *
-   * int32 max_delivery_attempts = 2;
-   *
+   * int32 max_delivery_attempts = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The maxDeliveryAttempts.
    */
   @java.lang.Override
@@ -164,7 +138,6 @@ public int getMaxDeliveryAttempts() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -176,7 +149,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(deadLetterTopic_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, deadLetterTopic_);
     }
@@ -196,7 +170,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, deadLetterTopic_);
     }
     if (maxDeliveryAttempts_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, maxDeliveryAttempts_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(2, maxDeliveryAttempts_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -206,15 +181,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.DeadLetterPolicy)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.DeadLetterPolicy other = (com.google.pubsub.v1.DeadLetterPolicy) obj;
 
-    if (!getDeadLetterTopic().equals(other.getDeadLetterTopic())) return false;
-    if (getMaxDeliveryAttempts() != other.getMaxDeliveryAttempts()) return false;
+    if (!getDeadLetterTopic()
+        .equals(other.getDeadLetterTopic())) return false;
+    if (getMaxDeliveryAttempts()
+        != other.getMaxDeliveryAttempts()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -235,103 +212,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.DeadLetterPolicy parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.DeadLetterPolicy parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeadLetterPolicy parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.DeadLetterPolicy prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Dead lettering is done on a best effort basis. The same message might be
    * dead lettered multiple times.
@@ -342,32 +315,33 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.DeadLetterPolicy}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.DeadLetterPolicy)
       com.google.pubsub.v1.DeadLetterPolicyOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeadLetterPolicy_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeadLetterPolicy_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.DeadLetterPolicy.class,
-              com.google.pubsub.v1.DeadLetterPolicy.Builder.class);
+              com.google.pubsub.v1.DeadLetterPolicy.class, com.google.pubsub.v1.DeadLetterPolicy.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.DeadLetterPolicy.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -378,9 +352,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor;
     }
 
     @java.lang.Override
@@ -399,11 +373,8 @@ public com.google.pubsub.v1.DeadLetterPolicy build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.DeadLetterPolicy buildPartial() {
-      com.google.pubsub.v1.DeadLetterPolicy result =
-          new com.google.pubsub.v1.DeadLetterPolicy(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.DeadLetterPolicy result = new com.google.pubsub.v1.DeadLetterPolicy(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -422,39 +393,38 @@ private void buildPartial0(com.google.pubsub.v1.DeadLetterPolicy result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.DeadLetterPolicy) {
-        return mergeFrom((com.google.pubsub.v1.DeadLetterPolicy) other);
+        return mergeFrom((com.google.pubsub.v1.DeadLetterPolicy)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -497,25 +467,22 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                deadLetterTopic_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                maxDeliveryAttempts_ = input.readInt32();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              deadLetterTopic_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              maxDeliveryAttempts_ = input.readInt32();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -525,33 +492,30 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object deadLetterTopic_ = "";
     /**
-     *
-     *
      * 
        -     * The name of the topic to which dead letter messages should be published.
-     * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-     * account associated with the enclosing subscription's parent project (i.e.,
-     * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-     * permission to Publish() to this topic.
+     * Optional. The name of the topic to which dead letter messages should be
+     * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+     * service account associated with the enclosing subscription's parent project
+     * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+     * have permission to Publish() to this topic.
      *
      * The operation will fail if the topic does not exist.
      * Users should ensure that there is a subscription attached to this topic
      * since messages published to a topic with no subscriptions are lost.
      * 
        
      *
-     * string dead_letter_topic = 1;
-     *
+     * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The deadLetterTopic.
      */
     public java.lang.String getDeadLetterTopic() {
       java.lang.Object ref = deadLetterTopic_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         deadLetterTopic_ = s;
         return s;
@@ -560,29 +524,28 @@ public java.lang.String getDeadLetterTopic() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The name of the topic to which dead letter messages should be published.
-     * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-     * account associated with the enclosing subscription's parent project (i.e.,
-     * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-     * permission to Publish() to this topic.
+     * Optional. The name of the topic to which dead letter messages should be
+     * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+     * service account associated with the enclosing subscription's parent project
+     * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+     * have permission to Publish() to this topic.
      *
      * The operation will fail if the topic does not exist.
      * Users should ensure that there is a subscription attached to this topic
      * since messages published to a topic with no subscriptions are lost.
      * 
        
      *
-     * string dead_letter_topic = 1;
-     *
+     * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for deadLetterTopic.
      */
-    public com.google.protobuf.ByteString getDeadLetterTopicBytes() {
+    public com.google.protobuf.ByteString
+        getDeadLetterTopicBytes() {
       java.lang.Object ref = deadLetterTopic_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         deadLetterTopic_ = b;
         return b;
       } else {
@@ -590,51 +553,44 @@ public com.google.protobuf.ByteString getDeadLetterTopicBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The name of the topic to which dead letter messages should be published.
-     * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-     * account associated with the enclosing subscription's parent project (i.e.,
-     * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-     * permission to Publish() to this topic.
+     * Optional. The name of the topic to which dead letter messages should be
+     * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+     * service account associated with the enclosing subscription's parent project
+     * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+     * have permission to Publish() to this topic.
      *
      * The operation will fail if the topic does not exist.
      * Users should ensure that there is a subscription attached to this topic
      * since messages published to a topic with no subscriptions are lost.
      * 
        
      *
-     * string dead_letter_topic = 1;
-     *
+     * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The deadLetterTopic to set.
      * @return This builder for chaining.
      */
-    public Builder setDeadLetterTopic(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setDeadLetterTopic(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       deadLetterTopic_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The name of the topic to which dead letter messages should be published.
-     * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-     * account associated with the enclosing subscription's parent project (i.e.,
-     * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-     * permission to Publish() to this topic.
+     * Optional. The name of the topic to which dead letter messages should be
+     * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+     * service account associated with the enclosing subscription's parent project
+     * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+     * have permission to Publish() to this topic.
      *
      * The operation will fail if the topic does not exist.
      * Users should ensure that there is a subscription attached to this topic
      * since messages published to a topic with no subscriptions are lost.
      * 
        
      *
-     * string dead_letter_topic = 1;
-     *
+     * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearDeadLetterTopic() {
@@ -644,29 +600,25 @@ public Builder clearDeadLetterTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The name of the topic to which dead letter messages should be published.
-     * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-     * account associated with the enclosing subscription's parent project (i.e.,
-     * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-     * permission to Publish() to this topic.
+     * Optional. The name of the topic to which dead letter messages should be
+     * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+     * service account associated with the enclosing subscription's parent project
+     * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+     * have permission to Publish() to this topic.
      *
      * The operation will fail if the topic does not exist.
      * Users should ensure that there is a subscription attached to this topic
      * since messages published to a topic with no subscriptions are lost.
      * 
        
      *
-     * string dead_letter_topic = 1;
-     *
+     * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for deadLetterTopic to set.
      * @return This builder for chaining.
      */
-    public Builder setDeadLetterTopicBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setDeadLetterTopicBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       deadLetterTopic_ = value;
       bitField0_ |= 0x00000001;
@@ -674,13 +626,11 @@ public Builder setDeadLetterTopicBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private int maxDeliveryAttempts_;
+    private int maxDeliveryAttempts_ ;
     /**
-     *
-     *
      * 
        -     * The maximum number of delivery attempts for any message. The value must be
-     * between 5 and 100.
+     * Optional. The maximum number of delivery attempts for any message. The
+     * value must be between 5 and 100.
      *
      * The number of delivery attempts is defined as 1 + (the sum of number of
      * NACKs and number of times the acknowledgement deadline has been exceeded
@@ -694,8 +644,7 @@ public Builder setDeadLetterTopicBytes(com.google.protobuf.ByteString value) {
      * If this parameter is 0, a default value of 5 is used.
      * 
        
      *
-     * int32 max_delivery_attempts = 2;
-     *
+     * int32 max_delivery_attempts = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The maxDeliveryAttempts.
      */
     @java.lang.Override
@@ -703,11 +652,9 @@ public int getMaxDeliveryAttempts() {
       return maxDeliveryAttempts_;
     }
     /**
-     *
-     *
      * 
        -     * The maximum number of delivery attempts for any message. The value must be
-     * between 5 and 100.
+     * Optional. The maximum number of delivery attempts for any message. The
+     * value must be between 5 and 100.
      *
      * The number of delivery attempts is defined as 1 + (the sum of number of
      * NACKs and number of times the acknowledgement deadline has been exceeded
@@ -721,8 +668,7 @@ public int getMaxDeliveryAttempts() {
      * If this parameter is 0, a default value of 5 is used.
      * 
        
      *
-     * int32 max_delivery_attempts = 2;
-     *
+     * int32 max_delivery_attempts = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The maxDeliveryAttempts to set.
      * @return This builder for chaining.
      */
@@ -734,11 +680,9 @@ public Builder setMaxDeliveryAttempts(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum number of delivery attempts for any message. The value must be
-     * between 5 and 100.
+     * Optional. The maximum number of delivery attempts for any message. The
+     * value must be between 5 and 100.
      *
      * The number of delivery attempts is defined as 1 + (the sum of number of
      * NACKs and number of times the acknowledgement deadline has been exceeded
@@ -752,8 +696,7 @@ public Builder setMaxDeliveryAttempts(int value) {
      * If this parameter is 0, a default value of 5 is used.
      * 
        
      *
-     * int32 max_delivery_attempts = 2;
-     *
+     * int32 max_delivery_attempts = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearMaxDeliveryAttempts() {
@@ -762,9 +705,9 @@ public Builder clearMaxDeliveryAttempts() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -774,12 +717,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.DeadLetterPolicy)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.DeadLetterPolicy)
   private static final com.google.pubsub.v1.DeadLetterPolicy DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.DeadLetterPolicy();
   }
@@ -788,27 +731,27 @@ public static com.google.pubsub.v1.DeadLetterPolicy getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public DeadLetterPolicy parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public DeadLetterPolicy parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -823,4 +766,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.DeadLetterPolicy getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicyOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicyOrBuilder.java
new file mode 100644
index 000000000..2266d8d79
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicyOrBuilder.java
@@ -0,0 +1,67 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface DeadLetterPolicyOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeadLetterPolicy)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The name of the topic to which dead letter messages should be
+   * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+   * service account associated with the enclosing subscription's parent project
+   * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+   * have permission to Publish() to this topic.
+   *
+   * The operation will fail if the topic does not exist.
+   * Users should ensure that there is a subscription attached to this topic
+   * since messages published to a topic with no subscriptions are lost.
+   * 
        
+   *
+   * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The deadLetterTopic.
+   */
+  java.lang.String getDeadLetterTopic();
+  /**
+   * 
        +   * Optional. The name of the topic to which dead letter messages should be
+   * published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+   * service account associated with the enclosing subscription's parent project
+   * (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+   * have permission to Publish() to this topic.
+   *
+   * The operation will fail if the topic does not exist.
+   * Users should ensure that there is a subscription attached to this topic
+   * since messages published to a topic with no subscriptions are lost.
+   * 
        
+   *
+   * string dead_letter_topic = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for deadLetterTopic.
+   */
+  com.google.protobuf.ByteString
+      getDeadLetterTopicBytes();
+
+  /**
+   * 
        +   * Optional. The maximum number of delivery attempts for any message. The
+   * value must be between 5 and 100.
+   *
+   * The number of delivery attempts is defined as 1 + (the sum of number of
+   * NACKs and number of times the acknowledgement deadline has been exceeded
+   * for the message).
+   *
+   * A NACK is any call to ModifyAckDeadline with a 0 deadline. Note that
+   * client libraries may automatically extend ack_deadlines.
+   *
+   * This field will be honored on a best effort basis.
+   *
+   * If this parameter is 0, a default value of 5 is used.
+   * 
        
+   *
+   * int32 max_delivery_attempts = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The maxDeliveryAttempts.
+   */
+  int getMaxDeliveryAttempts();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequest.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequest.java
index f2b94a760..61b039484 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `DeleteSchema` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.DeleteSchemaRequest}
  */
-public final class DeleteSchemaRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class DeleteSchemaRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.DeleteSchemaRequest)
     DeleteSchemaRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use DeleteSchemaRequest.newBuilder() to construct.
   private DeleteSchemaRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private DeleteSchemaRequest() {
     name_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new DeleteSchemaRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_DeleteSchemaRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.DeleteSchemaRequest.class,
-            com.google.pubsub.v1.DeleteSchemaRequest.Builder.class);
+            com.google.pubsub.v1.DeleteSchemaRequest.class, com.google.pubsub.v1.DeleteSchemaRequest.Builder.class);
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. Name of the schema to delete.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. Name of the schema to delete.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -120,7 +93,6 @@ public com.google.protobuf.ByteString getNameBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -132,7 +104,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -156,14 +129,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.DeleteSchemaRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.DeleteSchemaRequest other = (com.google.pubsub.v1.DeleteSchemaRequest) obj;
 
-    if (!getName().equals(other.getName())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -182,136 +156,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.DeleteSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.DeleteSchemaRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.DeleteSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.DeleteSchemaRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `DeleteSchema` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.DeleteSchemaRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.DeleteSchemaRequest)
       com.google.pubsub.v1.DeleteSchemaRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_DeleteSchemaRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.DeleteSchemaRequest.class,
-              com.google.pubsub.v1.DeleteSchemaRequest.Builder.class);
+              com.google.pubsub.v1.DeleteSchemaRequest.class, com.google.pubsub.v1.DeleteSchemaRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.DeleteSchemaRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -321,9 +291,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor;
     }
 
     @java.lang.Override
@@ -342,11 +312,8 @@ public com.google.pubsub.v1.DeleteSchemaRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.DeleteSchemaRequest buildPartial() {
-      com.google.pubsub.v1.DeleteSchemaRequest result =
-          new com.google.pubsub.v1.DeleteSchemaRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.DeleteSchemaRequest result = new com.google.pubsub.v1.DeleteSchemaRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -362,39 +329,38 @@ private void buildPartial0(com.google.pubsub.v1.DeleteSchemaRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.DeleteSchemaRequest) {
-        return mergeFrom((com.google.pubsub.v1.DeleteSchemaRequest) other);
+        return mergeFrom((com.google.pubsub.v1.DeleteSchemaRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -434,19 +400,17 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -456,28 +420,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. Name of the schema to delete.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -486,24 +445,21 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. Name of the schema to delete.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -511,41 +467,30 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. Name of the schema to delete.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Name of the schema to delete.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -555,33 +500,27 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Name of the schema to delete.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -591,12 +530,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.DeleteSchemaRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.DeleteSchemaRequest)
   private static final com.google.pubsub.v1.DeleteSchemaRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.DeleteSchemaRequest();
   }
@@ -605,27 +544,27 @@ public static com.google.pubsub.v1.DeleteSchemaRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public DeleteSchemaRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public DeleteSchemaRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -640,4 +579,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.DeleteSchemaRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequestOrBuilder.java
new file mode 100644
index 000000000..2901f155e
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequestOrBuilder.java
@@ -0,0 +1,31 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/schema.proto
+
+package com.google.pubsub.v1;
+
+public interface DeleteSchemaRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteSchemaRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. Name of the schema to delete.
+   * Format is `projects/{project}/schemas/{schema}`.
+   * 
        
+   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The name.
+   */
+  java.lang.String getName();
+  /**
+   * 
        +   * Required. Name of the schema to delete.
+   * Format is `projects/{project}/schemas/{schema}`.
+   * 
        
+   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for name.
+   */
+  com.google.protobuf.ByteString
+      getNameBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequest.java
similarity index 64%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequest.java
index 3f0288302..285c35c78 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `DeleteSchemaRevision` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.DeleteSchemaRevisionRequest}
  */
-public final class DeleteSchemaRevisionRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class DeleteSchemaRevisionRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.DeleteSchemaRevisionRequest)
     DeleteSchemaRevisionRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use DeleteSchemaRevisionRequest.newBuilder() to construct.
   private DeleteSchemaRevisionRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private DeleteSchemaRevisionRequest() {
     name_ = "";
     revisionId_ = "";
@@ -44,32 +26,28 @@ private DeleteSchemaRevisionRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new DeleteSchemaRevisionRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.DeleteSchemaRevisionRequest.class,
-            com.google.pubsub.v1.DeleteSchemaRevisionRequest.Builder.class);
+            com.google.pubsub.v1.DeleteSchemaRevisionRequest.class, com.google.pubsub.v1.DeleteSchemaRevisionRequest.Builder.class);
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the schema revision to be deleted, with a revision ID
    * explicitly included.
@@ -77,10 +55,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * Example: `projects/123/schemas/my-schema@c7cfa2a8`
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   @java.lang.Override
@@ -89,15 +64,14 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the schema revision to be deleted, with a revision ID
    * explicitly included.
@@ -105,18 +79,17 @@ public java.lang.String getName() {
    * Example: `projects/123/schemas/my-schema@c7cfa2a8`
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -125,61 +98,53 @@ public com.google.protobuf.ByteString getNameBytes() {
   }
 
   public static final int REVISION_ID_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object revisionId_ = "";
   /**
-   *
-   *
    * 
            * Optional. This field is deprecated and should not be used for specifying
    * the revision ID. The revision ID should be specified via the `name`
    * parameter.
    * 
        
    *
-   * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
-   * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-   *     google/pubsub/v1/schema.proto;l=331
+   * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+   * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+   *     See google/pubsub/v1/schema.proto;l=331
    * @return The revisionId.
    */
   @java.lang.Override
-  @java.lang.Deprecated
-  public java.lang.String getRevisionId() {
+  @java.lang.Deprecated public java.lang.String getRevisionId() {
     java.lang.Object ref = revisionId_;
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       revisionId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Optional. This field is deprecated and should not be used for specifying
    * the revision ID. The revision ID should be specified via the `name`
    * parameter.
    * 
        
    *
-   * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
-   * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-   *     google/pubsub/v1/schema.proto;l=331
+   * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+   * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+   *     See google/pubsub/v1/schema.proto;l=331
    * @return The bytes for revisionId.
    */
   @java.lang.Override
-  @java.lang.Deprecated
-  public com.google.protobuf.ByteString getRevisionIdBytes() {
+  @java.lang.Deprecated public com.google.protobuf.ByteString
+      getRevisionIdBytes() {
     java.lang.Object ref = revisionId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       revisionId_ = b;
       return b;
     } else {
@@ -188,7 +153,6 @@ public com.google.protobuf.ByteString getRevisionIdBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -200,7 +164,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -230,16 +195,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.DeleteSchemaRevisionRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.DeleteSchemaRevisionRequest other =
-        (com.google.pubsub.v1.DeleteSchemaRevisionRequest) obj;
+    com.google.pubsub.v1.DeleteSchemaRevisionRequest other = (com.google.pubsub.v1.DeleteSchemaRevisionRequest) obj;
 
-    if (!getName().equals(other.getName())) return false;
-    if (!getRevisionId().equals(other.getRevisionId())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
+    if (!getRevisionId()
+        .equals(other.getRevisionId())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -260,136 +226,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteSchemaRevisionRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.DeleteSchemaRevisionRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `DeleteSchemaRevision` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.DeleteSchemaRevisionRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.DeleteSchemaRevisionRequest)
       com.google.pubsub.v1.DeleteSchemaRevisionRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.DeleteSchemaRevisionRequest.class,
-              com.google.pubsub.v1.DeleteSchemaRevisionRequest.Builder.class);
+              com.google.pubsub.v1.DeleteSchemaRevisionRequest.class, com.google.pubsub.v1.DeleteSchemaRevisionRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.DeleteSchemaRevisionRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -400,9 +362,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor;
     }
 
     @java.lang.Override
@@ -421,11 +383,8 @@ public com.google.pubsub.v1.DeleteSchemaRevisionRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.DeleteSchemaRevisionRequest buildPartial() {
-      com.google.pubsub.v1.DeleteSchemaRevisionRequest result =
-          new com.google.pubsub.v1.DeleteSchemaRevisionRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.DeleteSchemaRevisionRequest result = new com.google.pubsub.v1.DeleteSchemaRevisionRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -444,39 +403,38 @@ private void buildPartial0(com.google.pubsub.v1.DeleteSchemaRevisionRequest resu
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.DeleteSchemaRevisionRequest) {
-        return mergeFrom((com.google.pubsub.v1.DeleteSchemaRevisionRequest) other);
+        return mergeFrom((com.google.pubsub.v1.DeleteSchemaRevisionRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -484,8 +442,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     }
 
     public Builder mergeFrom(com.google.pubsub.v1.DeleteSchemaRevisionRequest other) {
-      if (other == com.google.pubsub.v1.DeleteSchemaRevisionRequest.getDefaultInstance())
-        return this;
+      if (other == com.google.pubsub.v1.DeleteSchemaRevisionRequest.getDefaultInstance()) return this;
       if (!other.getName().isEmpty()) {
         name_ = other.name_;
         bitField0_ |= 0x00000001;
@@ -522,25 +479,22 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                revisionId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              revisionId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -550,13 +504,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the schema revision to be deleted, with a revision ID
      * explicitly included.
@@ -564,16 +515,14 @@ public Builder mergeFrom(
      * Example: `projects/123/schemas/my-schema@c7cfa2a8`
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -582,8 +531,6 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema revision to be deleted, with a revision ID
      * explicitly included.
@@ -591,17 +538,16 @@ public java.lang.String getName() {
      * Example: `projects/123/schemas/my-schema@c7cfa2a8`
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -609,8 +555,6 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema revision to be deleted, with a revision ID
      * explicitly included.
@@ -618,25 +562,19 @@ public com.google.protobuf.ByteString getNameBytes() {
      * Example: `projects/123/schemas/my-schema@c7cfa2a8`
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema revision to be deleted, with a revision ID
      * explicitly included.
@@ -644,10 +582,7 @@ public Builder setName(java.lang.String value) {
      * Example: `projects/123/schemas/my-schema@c7cfa2a8`
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -657,8 +592,6 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema revision to be deleted, with a revision ID
      * explicitly included.
@@ -666,17 +599,13 @@ public Builder clearName() {
      * Example: `projects/123/schemas/my-schema@c7cfa2a8`
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -686,26 +615,22 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object revisionId_ = "";
     /**
-     *
-     *
      * 
              * Optional. This field is deprecated and should not be used for specifying
      * the revision ID. The revision ID should be specified via the `name`
      * parameter.
      * 
        
      *
-     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
-     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-     *     google/pubsub/v1/schema.proto;l=331
+     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+     *     See google/pubsub/v1/schema.proto;l=331
      * @return The revisionId.
      */
-    @java.lang.Deprecated
-    public java.lang.String getRevisionId() {
+    @java.lang.Deprecated public java.lang.String getRevisionId() {
       java.lang.Object ref = revisionId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         revisionId_ = s;
         return s;
@@ -714,27 +639,24 @@ public java.lang.String getRevisionId() {
       }
     }
     /**
-     *
-     *
      * 
              * Optional. This field is deprecated and should not be used for specifying
      * the revision ID. The revision ID should be specified via the `name`
      * parameter.
      * 
        
      *
-     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
-     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-     *     google/pubsub/v1/schema.proto;l=331
+     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+     *     See google/pubsub/v1/schema.proto;l=331
      * @return The bytes for revisionId.
      */
-    @java.lang.Deprecated
-    public com.google.protobuf.ByteString getRevisionIdBytes() {
+    @java.lang.Deprecated public com.google.protobuf.ByteString
+        getRevisionIdBytes() {
       java.lang.Object ref = revisionId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         revisionId_ = b;
         return b;
       } else {
@@ -742,86 +664,69 @@ public com.google.protobuf.ByteString getRevisionIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Optional. This field is deprecated and should not be used for specifying
      * the revision ID. The revision ID should be specified via the `name`
      * parameter.
      * 
        
      *
-     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
-     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-     *     google/pubsub/v1/schema.proto;l=331
+     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+     *     See google/pubsub/v1/schema.proto;l=331
      * @param value The revisionId to set.
      * @return This builder for chaining.
      */
-    @java.lang.Deprecated
-    public Builder setRevisionId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    @java.lang.Deprecated public Builder setRevisionId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       revisionId_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. This field is deprecated and should not be used for specifying
      * the revision ID. The revision ID should be specified via the `name`
      * parameter.
      * 
        
      *
-     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
-     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-     *     google/pubsub/v1/schema.proto;l=331
+     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+     *     See google/pubsub/v1/schema.proto;l=331
      * @return This builder for chaining.
      */
-    @java.lang.Deprecated
-    public Builder clearRevisionId() {
+    @java.lang.Deprecated public Builder clearRevisionId() {
       revisionId_ = getDefaultInstance().getRevisionId();
       bitField0_ = (bitField0_ & ~0x00000002);
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. This field is deprecated and should not be used for specifying
      * the revision ID. The revision ID should be specified via the `name`
      * parameter.
      * 
        
      *
-     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
-     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-     *     google/pubsub/v1/schema.proto;l=331
+     * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+     * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+     *     See google/pubsub/v1/schema.proto;l=331
      * @param value The bytes for revisionId to set.
      * @return This builder for chaining.
      */
-    @java.lang.Deprecated
-    public Builder setRevisionIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    @java.lang.Deprecated public Builder setRevisionIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       revisionId_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -831,12 +736,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.DeleteSchemaRevisionRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.DeleteSchemaRevisionRequest)
   private static final com.google.pubsub.v1.DeleteSchemaRevisionRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.DeleteSchemaRevisionRequest();
   }
@@ -845,27 +750,27 @@ public static com.google.pubsub.v1.DeleteSchemaRevisionRequest getDefaultInstanc
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public DeleteSchemaRevisionRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public DeleteSchemaRevisionRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -880,4 +785,6 @@ public com.google.protobuf.Parser getParserForType(
   public com.google.pubsub.v1.DeleteSchemaRevisionRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequestOrBuilder.java
similarity index 51%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequestOrBuilder.java
index 5b6bb574f..31b26b6ba 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRevisionRequestOrBuilder.java
@@ -1,31 +1,13 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface DeleteSchemaRevisionRequestOrBuilder
-    extends
+public interface DeleteSchemaRevisionRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteSchemaRevisionRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the schema revision to be deleted, with a revision ID
    * explicitly included.
@@ -33,16 +15,11 @@ public interface DeleteSchemaRevisionRequestOrBuilder
    * Example: `projects/123/schemas/my-schema@c7cfa2a8`
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. The name of the schema revision to be deleted, with a revision ID
    * explicitly included.
@@ -50,48 +27,37 @@ public interface DeleteSchemaRevisionRequestOrBuilder
    * Example: `projects/123/schemas/my-schema@c7cfa2a8`
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * Optional. This field is deprecated and should not be used for specifying
    * the revision ID. The revision ID should be specified via the `name`
    * parameter.
    * 
        
    *
-   * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
-   * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-   *     google/pubsub/v1/schema.proto;l=331
+   * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+   * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+   *     See google/pubsub/v1/schema.proto;l=331
    * @return The revisionId.
    */
-  @java.lang.Deprecated
-  java.lang.String getRevisionId();
+  @java.lang.Deprecated java.lang.String getRevisionId();
   /**
-   *
-   *
    * 
            * Optional. This field is deprecated and should not be used for specifying
    * the revision ID. The revision ID should be specified via the `name`
    * parameter.
    * 
        
    *
-   * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
-   * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated. See
-   *     google/pubsub/v1/schema.proto;l=331
+   * string revision_id = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+   * @deprecated google.pubsub.v1.DeleteSchemaRevisionRequest.revision_id is deprecated.
+   *     See google/pubsub/v1/schema.proto;l=331
    * @return The bytes for revisionId.
    */
-  @java.lang.Deprecated
-  com.google.protobuf.ByteString getRevisionIdBytes();
+  @java.lang.Deprecated com.google.protobuf.ByteString
+      getRevisionIdBytes();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequest.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequest.java
index a8429c3de..64a32d55a 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `DeleteSnapshot` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.DeleteSnapshotRequest}
  */
-public final class DeleteSnapshotRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class DeleteSnapshotRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.DeleteSnapshotRequest)
     DeleteSnapshotRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use DeleteSnapshotRequest.newBuilder() to construct.
   private DeleteSnapshotRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private DeleteSnapshotRequest() {
     snapshot_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new DeleteSnapshotRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DeleteSnapshotRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSnapshotRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.DeleteSnapshotRequest.class,
-            com.google.pubsub.v1.DeleteSnapshotRequest.Builder.class);
+            com.google.pubsub.v1.DeleteSnapshotRequest.class, com.google.pubsub.v1.DeleteSnapshotRequest.Builder.class);
   }
 
   public static final int SNAPSHOT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object snapshot_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the snapshot to delete.
    * Format is `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * 
-   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The snapshot.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getSnapshot() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       snapshot_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the snapshot to delete.
    * Format is `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * 
-   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for snapshot.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSnapshotBytes() {
+  public com.google.protobuf.ByteString
+      getSnapshotBytes() {
     java.lang.Object ref = snapshot_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       snapshot_ = b;
       return b;
     } else {
@@ -120,7 +93,6 @@ public com.google.protobuf.ByteString getSnapshotBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -132,7 +104,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(snapshot_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, snapshot_);
     }
@@ -156,15 +129,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.DeleteSnapshotRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.DeleteSnapshotRequest other =
-        (com.google.pubsub.v1.DeleteSnapshotRequest) obj;
+    com.google.pubsub.v1.DeleteSnapshotRequest other = (com.google.pubsub.v1.DeleteSnapshotRequest) obj;
 
-    if (!getSnapshot().equals(other.getSnapshot())) return false;
+    if (!getSnapshot()
+        .equals(other.getSnapshot())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -183,136 +156,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.DeleteSnapshotRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.DeleteSnapshotRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteSnapshotRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.DeleteSnapshotRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `DeleteSnapshot` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.DeleteSnapshotRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.DeleteSnapshotRequest)
       com.google.pubsub.v1.DeleteSnapshotRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteSnapshotRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSnapshotRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.DeleteSnapshotRequest.class,
-              com.google.pubsub.v1.DeleteSnapshotRequest.Builder.class);
+              com.google.pubsub.v1.DeleteSnapshotRequest.class, com.google.pubsub.v1.DeleteSnapshotRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.DeleteSnapshotRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -322,9 +291,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor;
     }
 
     @java.lang.Override
@@ -343,11 +312,8 @@ public com.google.pubsub.v1.DeleteSnapshotRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.DeleteSnapshotRequest buildPartial() {
-      com.google.pubsub.v1.DeleteSnapshotRequest result =
-          new com.google.pubsub.v1.DeleteSnapshotRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.DeleteSnapshotRequest result = new com.google.pubsub.v1.DeleteSnapshotRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -363,39 +329,38 @@ private void buildPartial0(com.google.pubsub.v1.DeleteSnapshotRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.DeleteSnapshotRequest) {
-        return mergeFrom((com.google.pubsub.v1.DeleteSnapshotRequest) other);
+        return mergeFrom((com.google.pubsub.v1.DeleteSnapshotRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -435,19 +400,17 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                snapshot_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              snapshot_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -457,28 +420,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object snapshot_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to delete.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The snapshot.
      */
     public java.lang.String getSnapshot() {
       java.lang.Object ref = snapshot_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         snapshot_ = s;
         return s;
@@ -487,24 +445,21 @@ public java.lang.String getSnapshot() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to delete.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for snapshot.
      */
-    public com.google.protobuf.ByteString getSnapshotBytes() {
+    public com.google.protobuf.ByteString
+        getSnapshotBytes() {
       java.lang.Object ref = snapshot_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         snapshot_ = b;
         return b;
       } else {
@@ -512,41 +467,30 @@ public com.google.protobuf.ByteString getSnapshotBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to delete.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The snapshot to set.
      * @return This builder for chaining.
      */
-    public Builder setSnapshot(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSnapshot(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       snapshot_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to delete.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSnapshot() {
@@ -556,33 +500,27 @@ public Builder clearSnapshot() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to delete.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for snapshot to set.
      * @return This builder for chaining.
      */
-    public Builder setSnapshotBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSnapshotBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       snapshot_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -592,12 +530,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.DeleteSnapshotRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.DeleteSnapshotRequest)
   private static final com.google.pubsub.v1.DeleteSnapshotRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.DeleteSnapshotRequest();
   }
@@ -606,27 +544,27 @@ public static com.google.pubsub.v1.DeleteSnapshotRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public DeleteSnapshotRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public DeleteSnapshotRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -641,4 +579,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.DeleteSnapshotRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequestOrBuilder.java
new file mode 100644
index 000000000..f7ee8d19c
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequestOrBuilder.java
@@ -0,0 +1,31 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface DeleteSnapshotRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteSnapshotRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the snapshot to delete.
+   * Format is `projects/{project}/snapshots/{snap}`.
+   * 
        
+   *
+   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The snapshot.
+   */
+  java.lang.String getSnapshot();
+  /**
+   * 
        +   * Required. The name of the snapshot to delete.
+   * Format is `projects/{project}/snapshots/{snap}`.
+   * 
        
+   *
+   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for snapshot.
+   */
+  com.google.protobuf.ByteString
+      getSnapshotBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequest.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequest.java
index 28aecaadd..3ba008918 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the DeleteSubscription method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.DeleteSubscriptionRequest}
  */
-public final class DeleteSubscriptionRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class DeleteSubscriptionRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.DeleteSubscriptionRequest)
     DeleteSubscriptionRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use DeleteSubscriptionRequest.newBuilder() to construct.
   private DeleteSubscriptionRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private DeleteSubscriptionRequest() {
     subscription_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new DeleteSubscriptionRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DeleteSubscriptionRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSubscriptionRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DeleteSubscriptionRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSubscriptionRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.DeleteSubscriptionRequest.class,
-            com.google.pubsub.v1.DeleteSubscriptionRequest.Builder.class);
+            com.google.pubsub.v1.DeleteSubscriptionRequest.class, com.google.pubsub.v1.DeleteSubscriptionRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The subscription to delete.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The subscription to delete.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -120,7 +93,6 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -132,7 +104,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
     }
@@ -156,15 +129,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.DeleteSubscriptionRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.DeleteSubscriptionRequest other =
-        (com.google.pubsub.v1.DeleteSubscriptionRequest) obj;
+    com.google.pubsub.v1.DeleteSubscriptionRequest other = (com.google.pubsub.v1.DeleteSubscriptionRequest) obj;
 
-    if (!getSubscription().equals(other.getSubscription())) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -183,136 +156,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.DeleteSubscriptionRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.DeleteSubscriptionRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteSubscriptionRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.DeleteSubscriptionRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the DeleteSubscription method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.DeleteSubscriptionRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.DeleteSubscriptionRequest)
       com.google.pubsub.v1.DeleteSubscriptionRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteSubscriptionRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSubscriptionRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteSubscriptionRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSubscriptionRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.DeleteSubscriptionRequest.class,
-              com.google.pubsub.v1.DeleteSubscriptionRequest.Builder.class);
+              com.google.pubsub.v1.DeleteSubscriptionRequest.class, com.google.pubsub.v1.DeleteSubscriptionRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.DeleteSubscriptionRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -322,9 +291,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteSubscriptionRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteSubscriptionRequest_descriptor;
     }
 
     @java.lang.Override
@@ -343,11 +312,8 @@ public com.google.pubsub.v1.DeleteSubscriptionRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.DeleteSubscriptionRequest buildPartial() {
-      com.google.pubsub.v1.DeleteSubscriptionRequest result =
-          new com.google.pubsub.v1.DeleteSubscriptionRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.DeleteSubscriptionRequest result = new com.google.pubsub.v1.DeleteSubscriptionRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -363,39 +329,38 @@ private void buildPartial0(com.google.pubsub.v1.DeleteSubscriptionRequest result
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.DeleteSubscriptionRequest) {
-        return mergeFrom((com.google.pubsub.v1.DeleteSubscriptionRequest) other);
+        return mergeFrom((com.google.pubsub.v1.DeleteSubscriptionRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -435,19 +400,17 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -457,28 +420,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The subscription to delete.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -487,24 +445,21 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to delete.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -512,41 +467,30 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to delete.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to delete.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -556,33 +500,27 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to delete.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -592,12 +530,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.DeleteSubscriptionRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.DeleteSubscriptionRequest)
   private static final com.google.pubsub.v1.DeleteSubscriptionRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.DeleteSubscriptionRequest();
   }
@@ -606,27 +544,27 @@ public static com.google.pubsub.v1.DeleteSubscriptionRequest getDefaultInstance(
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public DeleteSubscriptionRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public DeleteSubscriptionRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -641,4 +579,6 @@ public com.google.protobuf.Parser getParserForType()
   public com.google.pubsub.v1.DeleteSubscriptionRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequestOrBuilder.java
new file mode 100644
index 000000000..a0d563a50
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequestOrBuilder.java
@@ -0,0 +1,31 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface DeleteSubscriptionRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteSubscriptionRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The subscription to delete.
+   * Format is `projects/{project}/subscriptions/{sub}`.
+   * 
        
+   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The subscription.
+   */
+  java.lang.String getSubscription();
+  /**
+   * 
        +   * Required. The subscription to delete.
+   * Format is `projects/{project}/subscriptions/{sub}`.
+   * 
        
+   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for subscription.
+   */
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequest.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequest.java
index df449fac8..b6aad4c93 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `DeleteTopic` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.DeleteTopicRequest}
  */
-public final class DeleteTopicRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class DeleteTopicRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.DeleteTopicRequest)
     DeleteTopicRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use DeleteTopicRequest.newBuilder() to construct.
   private DeleteTopicRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private DeleteTopicRequest() {
     topic_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new DeleteTopicRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DeleteTopicRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteTopicRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.DeleteTopicRequest.class,
-            com.google.pubsub.v1.DeleteTopicRequest.Builder.class);
+            com.google.pubsub.v1.DeleteTopicRequest.class, com.google.pubsub.v1.DeleteTopicRequest.Builder.class);
   }
 
   public static final int TOPIC_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object topic_ = "";
   /**
-   *
-   *
    * 
            * Required. Name of the topic to delete.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getTopic() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       topic_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. Name of the topic to delete.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getTopicBytes() {
+  public com.google.protobuf.ByteString
+      getTopicBytes() {
     java.lang.Object ref = topic_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       topic_ = b;
       return b;
     } else {
@@ -120,7 +93,6 @@ public com.google.protobuf.ByteString getTopicBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -132,7 +104,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(topic_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, topic_);
     }
@@ -156,14 +129,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.DeleteTopicRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.DeleteTopicRequest other = (com.google.pubsub.v1.DeleteTopicRequest) obj;
 
-    if (!getTopic().equals(other.getTopic())) return false;
+    if (!getTopic()
+        .equals(other.getTopic())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -182,136 +156,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.DeleteTopicRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.DeleteTopicRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.DeleteTopicRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DeleteTopicRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.DeleteTopicRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `DeleteTopic` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.DeleteTopicRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.DeleteTopicRequest)
       com.google.pubsub.v1.DeleteTopicRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteTopicRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteTopicRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.DeleteTopicRequest.class,
-              com.google.pubsub.v1.DeleteTopicRequest.Builder.class);
+              com.google.pubsub.v1.DeleteTopicRequest.class, com.google.pubsub.v1.DeleteTopicRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.DeleteTopicRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -321,9 +291,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor;
     }
 
     @java.lang.Override
@@ -342,11 +312,8 @@ public com.google.pubsub.v1.DeleteTopicRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.DeleteTopicRequest buildPartial() {
-      com.google.pubsub.v1.DeleteTopicRequest result =
-          new com.google.pubsub.v1.DeleteTopicRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.DeleteTopicRequest result = new com.google.pubsub.v1.DeleteTopicRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -362,39 +329,38 @@ private void buildPartial0(com.google.pubsub.v1.DeleteTopicRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.DeleteTopicRequest) {
-        return mergeFrom((com.google.pubsub.v1.DeleteTopicRequest) other);
+        return mergeFrom((com.google.pubsub.v1.DeleteTopicRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -434,19 +400,17 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                topic_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              topic_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -456,28 +420,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object topic_ = "";
     /**
-     *
-     *
      * 
              * Required. Name of the topic to delete.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The topic.
      */
     public java.lang.String getTopic() {
       java.lang.Object ref = topic_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         topic_ = s;
         return s;
@@ -486,24 +445,21 @@ public java.lang.String getTopic() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. Name of the topic to delete.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for topic.
      */
-    public com.google.protobuf.ByteString getTopicBytes() {
+    public com.google.protobuf.ByteString
+        getTopicBytes() {
       java.lang.Object ref = topic_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         topic_ = b;
         return b;
       } else {
@@ -511,41 +467,30 @@ public com.google.protobuf.ByteString getTopicBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. Name of the topic to delete.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopic(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopic(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       topic_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Name of the topic to delete.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearTopic() {
@@ -555,33 +500,27 @@ public Builder clearTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Name of the topic to delete.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopicBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       topic_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -591,12 +530,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.DeleteTopicRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.DeleteTopicRequest)
   private static final com.google.pubsub.v1.DeleteTopicRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.DeleteTopicRequest();
   }
@@ -605,27 +544,27 @@ public static com.google.pubsub.v1.DeleteTopicRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public DeleteTopicRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public DeleteTopicRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -640,4 +579,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.DeleteTopicRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequestOrBuilder.java
new file mode 100644
index 000000000..c776f2a4b
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequestOrBuilder.java
@@ -0,0 +1,31 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface DeleteTopicRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteTopicRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. Name of the topic to delete.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The topic.
+   */
+  java.lang.String getTopic();
+  /**
+   * 
        +   * Required. Name of the topic to delete.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for topic.
+   */
+  com.google.protobuf.ByteString
+      getTopicBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequest.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequest.java
index b563d3d38..f5e5443bb 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the DetachSubscription method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.DetachSubscriptionRequest}
  */
-public final class DetachSubscriptionRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class DetachSubscriptionRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.DetachSubscriptionRequest)
     DetachSubscriptionRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use DetachSubscriptionRequest.newBuilder() to construct.
   private DetachSubscriptionRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private DetachSubscriptionRequest() {
     subscription_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new DetachSubscriptionRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DetachSubscriptionRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.DetachSubscriptionRequest.class,
-            com.google.pubsub.v1.DetachSubscriptionRequest.Builder.class);
+            com.google.pubsub.v1.DetachSubscriptionRequest.class, com.google.pubsub.v1.DetachSubscriptionRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The subscription to detach.
    * Format is `projects/{project}/subscriptions/{subscription}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The subscription to detach.
    * Format is `projects/{project}/subscriptions/{subscription}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -120,7 +93,6 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -132,7 +104,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
     }
@@ -156,15 +129,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.DetachSubscriptionRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.DetachSubscriptionRequest other =
-        (com.google.pubsub.v1.DetachSubscriptionRequest) obj;
+    com.google.pubsub.v1.DetachSubscriptionRequest other = (com.google.pubsub.v1.DetachSubscriptionRequest) obj;
 
-    if (!getSubscription().equals(other.getSubscription())) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -183,136 +156,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.DetachSubscriptionRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.DetachSubscriptionRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.DetachSubscriptionRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the DetachSubscription method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.DetachSubscriptionRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.DetachSubscriptionRequest)
       com.google.pubsub.v1.DetachSubscriptionRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DetachSubscriptionRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.DetachSubscriptionRequest.class,
-              com.google.pubsub.v1.DetachSubscriptionRequest.Builder.class);
+              com.google.pubsub.v1.DetachSubscriptionRequest.class, com.google.pubsub.v1.DetachSubscriptionRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.DetachSubscriptionRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -322,9 +291,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor;
     }
 
     @java.lang.Override
@@ -343,11 +312,8 @@ public com.google.pubsub.v1.DetachSubscriptionRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.DetachSubscriptionRequest buildPartial() {
-      com.google.pubsub.v1.DetachSubscriptionRequest result =
-          new com.google.pubsub.v1.DetachSubscriptionRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.DetachSubscriptionRequest result = new com.google.pubsub.v1.DetachSubscriptionRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -363,39 +329,38 @@ private void buildPartial0(com.google.pubsub.v1.DetachSubscriptionRequest result
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.DetachSubscriptionRequest) {
-        return mergeFrom((com.google.pubsub.v1.DetachSubscriptionRequest) other);
+        return mergeFrom((com.google.pubsub.v1.DetachSubscriptionRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -435,19 +400,17 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -457,28 +420,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The subscription to detach.
      * Format is `projects/{project}/subscriptions/{subscription}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -487,24 +445,21 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to detach.
      * Format is `projects/{project}/subscriptions/{subscription}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -512,41 +467,30 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to detach.
      * Format is `projects/{project}/subscriptions/{subscription}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to detach.
      * Format is `projects/{project}/subscriptions/{subscription}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -556,33 +500,27 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to detach.
      * Format is `projects/{project}/subscriptions/{subscription}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -592,12 +530,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.DetachSubscriptionRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.DetachSubscriptionRequest)
   private static final com.google.pubsub.v1.DetachSubscriptionRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.DetachSubscriptionRequest();
   }
@@ -606,27 +544,27 @@ public static com.google.pubsub.v1.DetachSubscriptionRequest getDefaultInstance(
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public DetachSubscriptionRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public DetachSubscriptionRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -641,4 +579,6 @@ public com.google.protobuf.Parser getParserForType()
   public com.google.pubsub.v1.DetachSubscriptionRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequestOrBuilder.java
new file mode 100644
index 000000000..0acda3201
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequestOrBuilder.java
@@ -0,0 +1,31 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface DetachSubscriptionRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DetachSubscriptionRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The subscription to detach.
+   * Format is `projects/{project}/subscriptions/{subscription}`.
+   * 
        
+   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The subscription.
+   */
+  java.lang.String getSubscription();
+  /**
+   * 
        +   * Required. The subscription to detach.
+   * Format is `projects/{project}/subscriptions/{subscription}`.
+   * 
        
+   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for subscription.
+   */
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponse.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponse.java
index a0c910e2c..135a432cd 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponse.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the DetachSubscription method.
  * Reserved for future use.
@@ -28,41 +11,39 @@
  *
  * Protobuf type {@code google.pubsub.v1.DetachSubscriptionResponse}
  */
-public final class DetachSubscriptionResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class DetachSubscriptionResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.DetachSubscriptionResponse)
     DetachSubscriptionResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use DetachSubscriptionResponse.newBuilder() to construct.
   private DetachSubscriptionResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private DetachSubscriptionResponse() {}
+  private DetachSubscriptionResponse() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new DetachSubscriptionResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_DetachSubscriptionResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.DetachSubscriptionResponse.class,
-            com.google.pubsub.v1.DetachSubscriptionResponse.Builder.class);
+            com.google.pubsub.v1.DetachSubscriptionResponse.class, com.google.pubsub.v1.DetachSubscriptionResponse.Builder.class);
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -74,7 +55,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     getUnknownFields().writeTo(output);
   }
 
@@ -92,13 +74,12 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.DetachSubscriptionResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.DetachSubscriptionResponse other =
-        (com.google.pubsub.v1.DetachSubscriptionResponse) obj;
+    com.google.pubsub.v1.DetachSubscriptionResponse other = (com.google.pubsub.v1.DetachSubscriptionResponse) obj;
 
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -116,104 +97,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.DetachSubscriptionResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.DetachSubscriptionResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.DetachSubscriptionResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.DetachSubscriptionResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the DetachSubscription method.
    * Reserved for future use.
@@ -221,32 +197,33 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.DetachSubscriptionResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.DetachSubscriptionResponse)
       com.google.pubsub.v1.DetachSubscriptionResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DetachSubscriptionResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.DetachSubscriptionResponse.class,
-              com.google.pubsub.v1.DetachSubscriptionResponse.Builder.class);
+              com.google.pubsub.v1.DetachSubscriptionResponse.class, com.google.pubsub.v1.DetachSubscriptionResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.DetachSubscriptionResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -254,9 +231,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor;
     }
 
     @java.lang.Override
@@ -275,8 +252,7 @@ public com.google.pubsub.v1.DetachSubscriptionResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.DetachSubscriptionResponse buildPartial() {
-      com.google.pubsub.v1.DetachSubscriptionResponse result =
-          new com.google.pubsub.v1.DetachSubscriptionResponse(this);
+      com.google.pubsub.v1.DetachSubscriptionResponse result = new com.google.pubsub.v1.DetachSubscriptionResponse(this);
       onBuilt();
       return result;
     }
@@ -285,39 +261,38 @@ public com.google.pubsub.v1.DetachSubscriptionResponse buildPartial() {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.DetachSubscriptionResponse) {
-        return mergeFrom((com.google.pubsub.v1.DetachSubscriptionResponse) other);
+        return mergeFrom((com.google.pubsub.v1.DetachSubscriptionResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -325,8 +300,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     }
 
     public Builder mergeFrom(com.google.pubsub.v1.DetachSubscriptionResponse other) {
-      if (other == com.google.pubsub.v1.DetachSubscriptionResponse.getDefaultInstance())
-        return this;
+      if (other == com.google.pubsub.v1.DetachSubscriptionResponse.getDefaultInstance()) return this;
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
       return this;
@@ -353,13 +327,12 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -369,9 +342,9 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -381,12 +354,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.DetachSubscriptionResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.DetachSubscriptionResponse)
   private static final com.google.pubsub.v1.DetachSubscriptionResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.DetachSubscriptionResponse();
   }
@@ -395,27 +368,27 @@ public static com.google.pubsub.v1.DetachSubscriptionResponse getDefaultInstance
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public DetachSubscriptionResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public DetachSubscriptionResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -430,4 +403,6 @@ public com.google.protobuf.Parser getParserForType()
   public com.google.pubsub.v1.DetachSubscriptionResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponseOrBuilder.java
new file mode 100644
index 000000000..e9e8bdf14
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponseOrBuilder.java
@@ -0,0 +1,9 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface DetachSubscriptionResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DetachSubscriptionResponse)
+    com.google.protobuf.MessageOrBuilder {
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Encoding.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Encoding.java
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Encoding.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Encoding.java
index 883df5b84..8ae906633 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Encoding.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Encoding.java
@@ -1,36 +1,18 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Possible encoding types for messages.
  * 
        
  *
  * Protobuf enum {@code google.pubsub.v1.Encoding}
  */
-public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
+public enum Encoding
+    implements com.google.protobuf.ProtocolMessageEnum {
   /**
-   *
-   *
    * 
            * Unspecified
    * 
        
@@ -39,8 +21,6 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
    */
   ENCODING_UNSPECIFIED(0),
   /**
-   *
-   *
    * 
            * JSON encoding
    * 
        
@@ -49,8 +29,6 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
    */
   JSON(1),
   /**
-   *
-   *
    * 
            * Binary encoding, as defined by the schema type. For some schema types,
    * binary encoding may not be available.
@@ -63,8 +41,6 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
   ;
 
   /**
-   *
-   *
    * 
            * Unspecified
    * 
        
@@ -73,8 +49,6 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
    */
   public static final int ENCODING_UNSPECIFIED_VALUE = 0;
   /**
-   *
-   *
    * 
            * JSON encoding
    * 
        
@@ -83,8 +57,6 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
    */
   public static final int JSON_VALUE = 1;
   /**
-   *
-   *
    * 
            * Binary encoding, as defined by the schema type. For some schema types,
    * binary encoding may not be available.
@@ -94,6 +66,7 @@ public enum Encoding implements com.google.protobuf.ProtocolMessageEnum {
    */
   public static final int BINARY_VALUE = 2;
 
+
   public final int getNumber() {
     if (this == UNRECOGNIZED) {
       throw new java.lang.IllegalArgumentException(
@@ -118,49 +91,49 @@ public static Encoding valueOf(int value) {
    */
   public static Encoding forNumber(int value) {
     switch (value) {
-      case 0:
-        return ENCODING_UNSPECIFIED;
-      case 1:
-        return JSON;
-      case 2:
-        return BINARY;
-      default:
-        return null;
+      case 0: return ENCODING_UNSPECIFIED;
+      case 1: return JSON;
+      case 2: return BINARY;
+      default: return null;
     }
   }
 
-  public static com.google.protobuf.Internal.EnumLiteMap internalGetValueMap() {
+  public static com.google.protobuf.Internal.EnumLiteMap
+      internalGetValueMap() {
     return internalValueMap;
   }
-
-  private static final com.google.protobuf.Internal.EnumLiteMap internalValueMap =
-      new com.google.protobuf.Internal.EnumLiteMap() {
-        public Encoding findValueByNumber(int number) {
-          return Encoding.forNumber(number);
-        }
-      };
-
-  public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+  private static final com.google.protobuf.Internal.EnumLiteMap<
+      Encoding> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap() {
+          public Encoding findValueByNumber(int number) {
+            return Encoding.forNumber(number);
+          }
+        };
+
+  public final com.google.protobuf.Descriptors.EnumValueDescriptor
+      getValueDescriptor() {
     if (this == UNRECOGNIZED) {
       throw new java.lang.IllegalStateException(
           "Can't get the descriptor of an unrecognized enum value.");
     }
     return getDescriptor().getValues().get(ordinal());
   }
-
-  public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+  public final com.google.protobuf.Descriptors.EnumDescriptor
+      getDescriptorForType() {
     return getDescriptor();
   }
-
-  public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.EnumDescriptor
+      getDescriptor() {
     return com.google.pubsub.v1.SchemaProto.getDescriptor().getEnumTypes().get(1);
   }
 
   private static final Encoding[] VALUES = values();
 
-  public static Encoding valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+  public static Encoding valueOf(
+      com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
     if (desc.getType() != getDescriptor()) {
-      throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      throw new java.lang.IllegalArgumentException(
+        "EnumValueDescriptor is not for this type.");
     }
     if (desc.getIndex() == -1) {
       return UNRECOGNIZED;
@@ -176,3 +149,4 @@ private Encoding(int value) {
 
   // @@protoc_insertion_point(enum_scope:google.pubsub.v1.Encoding)
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicy.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicy.java
similarity index 51%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicy.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicy.java
index fa3c26ee0..83ec1a529 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicy.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicy.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * A policy that specifies the conditions for resource expiration (i.e.,
  * automatic resource deletion).
@@ -28,55 +11,51 @@
  *
  * Protobuf type {@code google.pubsub.v1.ExpirationPolicy}
  */
-public final class ExpirationPolicy extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ExpirationPolicy extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ExpirationPolicy)
     ExpirationPolicyOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ExpirationPolicy.newBuilder() to construct.
   private ExpirationPolicy(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private ExpirationPolicy() {}
+  private ExpirationPolicy() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ExpirationPolicy();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ExpirationPolicy_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ExpirationPolicy_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ExpirationPolicy_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ExpirationPolicy_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ExpirationPolicy.class,
-            com.google.pubsub.v1.ExpirationPolicy.Builder.class);
+            com.google.pubsub.v1.ExpirationPolicy.class, com.google.pubsub.v1.ExpirationPolicy.Builder.class);
   }
 
   public static final int TTL_FIELD_NUMBER = 1;
   private com.google.protobuf.Duration ttl_;
   /**
-   *
-   *
    * 
        -   * Specifies the "time-to-live" duration for an associated resource. The
-   * resource expires if it is not active for a period of `ttl`. The definition
-   * of "activity" depends on the type of the associated resource. The minimum
-   * and maximum allowed values for `ttl` depend on the type of the associated
-   * resource, as well. If `ttl` is not set, the associated resource never
-   * expires.
+   * Optional. Specifies the "time-to-live" duration for an associated resource.
+   * The resource expires if it is not active for a period of `ttl`. The
+   * definition of "activity" depends on the type of the associated resource.
+   * The minimum and maximum allowed values for `ttl` depend on the type of the
+   * associated resource, as well. If `ttl` is not set, the associated resource
+   * never expires.
    * 
        
    *
-   * .google.protobuf.Duration ttl = 1;
-   *
+   * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the ttl field is set.
    */
   @java.lang.Override
@@ -84,19 +63,16 @@ public boolean hasTtl() {
     return ttl_ != null;
   }
   /**
-   *
-   *
    * 
        -   * Specifies the "time-to-live" duration for an associated resource. The
-   * resource expires if it is not active for a period of `ttl`. The definition
-   * of "activity" depends on the type of the associated resource. The minimum
-   * and maximum allowed values for `ttl` depend on the type of the associated
-   * resource, as well. If `ttl` is not set, the associated resource never
-   * expires.
+   * Optional. Specifies the "time-to-live" duration for an associated resource.
+   * The resource expires if it is not active for a period of `ttl`. The
+   * definition of "activity" depends on the type of the associated resource.
+   * The minimum and maximum allowed values for `ttl` depend on the type of the
+   * associated resource, as well. If `ttl` is not set, the associated resource
+   * never expires.
    * 
        
    *
-   * .google.protobuf.Duration ttl = 1;
-   *
+   * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The ttl.
    */
   @java.lang.Override
@@ -104,18 +80,16 @@ public com.google.protobuf.Duration getTtl() {
     return ttl_ == null ? com.google.protobuf.Duration.getDefaultInstance() : ttl_;
   }
   /**
-   *
-   *
    * 
        -   * Specifies the "time-to-live" duration for an associated resource. The
-   * resource expires if it is not active for a period of `ttl`. The definition
-   * of "activity" depends on the type of the associated resource. The minimum
-   * and maximum allowed values for `ttl` depend on the type of the associated
-   * resource, as well. If `ttl` is not set, the associated resource never
-   * expires.
+   * Optional. Specifies the "time-to-live" duration for an associated resource.
+   * The resource expires if it is not active for a period of `ttl`. The
+   * definition of "activity" depends on the type of the associated resource.
+   * The minimum and maximum allowed values for `ttl` depend on the type of the
+   * associated resource, as well. If `ttl` is not set, the associated resource
+   * never expires.
    * 
        
    *
-   * .google.protobuf.Duration ttl = 1;
+   * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.protobuf.DurationOrBuilder getTtlOrBuilder() {
@@ -123,7 +97,6 @@ public com.google.protobuf.DurationOrBuilder getTtlOrBuilder() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -135,7 +108,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (ttl_ != null) {
       output.writeMessage(1, getTtl());
     }
@@ -149,7 +123,8 @@ public int getSerializedSize() {
 
     size = 0;
     if (ttl_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getTtl());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, getTtl());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -159,7 +134,7 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ExpirationPolicy)) {
       return super.equals(obj);
@@ -168,7 +143,8 @@ public boolean equals(final java.lang.Object obj) {
 
     if (hasTtl() != other.hasTtl()) return false;
     if (hasTtl()) {
-      if (!getTtl().equals(other.getTtl())) return false;
+      if (!getTtl()
+          .equals(other.getTtl())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -190,103 +166,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ExpirationPolicy parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ExpirationPolicy parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ExpirationPolicy parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.ExpirationPolicy parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.ExpirationPolicy parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ExpirationPolicy parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ExpirationPolicy parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ExpirationPolicy parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ExpirationPolicy parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ExpirationPolicy parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.ExpirationPolicy parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ExpirationPolicy parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ExpirationPolicy parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ExpirationPolicy parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ExpirationPolicy prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * A policy that specifies the conditions for resource expiration (i.e.,
    * automatic resource deletion).
@@ -294,32 +266,33 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.ExpirationPolicy}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ExpirationPolicy)
       com.google.pubsub.v1.ExpirationPolicyOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ExpirationPolicy_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ExpirationPolicy_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ExpirationPolicy_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ExpirationPolicy_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ExpirationPolicy.class,
-              com.google.pubsub.v1.ExpirationPolicy.Builder.class);
+              com.google.pubsub.v1.ExpirationPolicy.class, com.google.pubsub.v1.ExpirationPolicy.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ExpirationPolicy.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -333,9 +306,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ExpirationPolicy_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ExpirationPolicy_descriptor;
     }
 
     @java.lang.Override
@@ -354,11 +327,8 @@ public com.google.pubsub.v1.ExpirationPolicy build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ExpirationPolicy buildPartial() {
-      com.google.pubsub.v1.ExpirationPolicy result =
-          new com.google.pubsub.v1.ExpirationPolicy(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ExpirationPolicy result = new com.google.pubsub.v1.ExpirationPolicy(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -366,7 +336,9 @@ public com.google.pubsub.v1.ExpirationPolicy buildPartial() {
     private void buildPartial0(com.google.pubsub.v1.ExpirationPolicy result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
-        result.ttl_ = ttlBuilder_ == null ? ttl_ : ttlBuilder_.build();
+        result.ttl_ = ttlBuilder_ == null
+            ? ttl_
+            : ttlBuilder_.build();
       }
     }
 
@@ -374,39 +346,38 @@ private void buildPartial0(com.google.pubsub.v1.ExpirationPolicy result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ExpirationPolicy) {
-        return mergeFrom((com.google.pubsub.v1.ExpirationPolicy) other);
+        return mergeFrom((com.google.pubsub.v1.ExpirationPolicy)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -444,19 +415,19 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                input.readMessage(getTtlFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              input.readMessage(
+                  getTtlFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -466,48 +437,38 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.protobuf.Duration ttl_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
-        ttlBuilder_;
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> ttlBuilder_;
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
-     *
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the ttl field is set.
      */
     public boolean hasTtl() {
       return ((bitField0_ & 0x00000001) != 0);
     }
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
-     *
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The ttl.
      */
     public com.google.protobuf.Duration getTtl() {
@@ -518,18 +479,16 @@ public com.google.protobuf.Duration getTtl() {
       }
     }
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setTtl(com.google.protobuf.Duration value) {
       if (ttlBuilder_ == null) {
@@ -545,20 +504,19 @@ public Builder setTtl(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setTtl(com.google.protobuf.Duration.Builder builderForValue) {
+    public Builder setTtl(
+        com.google.protobuf.Duration.Builder builderForValue) {
       if (ttlBuilder_ == null) {
         ttl_ = builderForValue.build();
       } else {
@@ -569,24 +527,22 @@ public Builder setTtl(com.google.protobuf.Duration.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeTtl(com.google.protobuf.Duration value) {
       if (ttlBuilder_ == null) {
-        if (((bitField0_ & 0x00000001) != 0)
-            && ttl_ != null
-            && ttl_ != com.google.protobuf.Duration.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000001) != 0) &&
+          ttl_ != null &&
+          ttl_ != com.google.protobuf.Duration.getDefaultInstance()) {
           getTtlBuilder().mergeFrom(value);
         } else {
           ttl_ = value;
@@ -599,18 +555,16 @@ public Builder mergeTtl(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearTtl() {
       bitField0_ = (bitField0_ & ~0x00000001);
@@ -623,18 +577,16 @@ public Builder clearTtl() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.Duration.Builder getTtlBuilder() {
       bitField0_ |= 0x00000001;
@@ -642,58 +594,53 @@ public com.google.protobuf.Duration.Builder getTtlBuilder() {
       return getTtlFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.DurationOrBuilder getTtlOrBuilder() {
       if (ttlBuilder_ != null) {
         return ttlBuilder_.getMessageOrBuilder();
       } else {
-        return ttl_ == null ? com.google.protobuf.Duration.getDefaultInstance() : ttl_;
+        return ttl_ == null ?
+            com.google.protobuf.Duration.getDefaultInstance() : ttl_;
       }
     }
     /**
-     *
-     *
      * 
        -     * Specifies the "time-to-live" duration for an associated resource. The
-     * resource expires if it is not active for a period of `ttl`. The definition
-     * of "activity" depends on the type of the associated resource. The minimum
-     * and maximum allowed values for `ttl` depend on the type of the associated
-     * resource, as well. If `ttl` is not set, the associated resource never
-     * expires.
+     * Optional. Specifies the "time-to-live" duration for an associated resource.
+     * The resource expires if it is not active for a period of `ttl`. The
+     * definition of "activity" depends on the type of the associated resource.
+     * The minimum and maximum allowed values for `ttl` depend on the type of the
+     * associated resource, as well. If `ttl` is not set, the associated resource
+     * never expires.
      * 
        
      *
-     * .google.protobuf.Duration ttl = 1;
+     * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
         getTtlFieldBuilder() {
       if (ttlBuilder_ == null) {
-        ttlBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Duration,
-                com.google.protobuf.Duration.Builder,
-                com.google.protobuf.DurationOrBuilder>(getTtl(), getParentForChildren(), isClean());
+        ttlBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
+                getTtl(),
+                getParentForChildren(),
+                isClean());
         ttl_ = null;
       }
       return ttlBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -703,12 +650,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ExpirationPolicy)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ExpirationPolicy)
   private static final com.google.pubsub.v1.ExpirationPolicy DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ExpirationPolicy();
   }
@@ -717,27 +664,27 @@ public static com.google.pubsub.v1.ExpirationPolicy getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ExpirationPolicy parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ExpirationPolicy parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -752,4 +699,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ExpirationPolicy getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicyOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicyOrBuilder.java
new file mode 100644
index 000000000..11d603684
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicyOrBuilder.java
@@ -0,0 +1,51 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ExpirationPolicyOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ExpirationPolicy)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. Specifies the "time-to-live" duration for an associated resource.
+   * The resource expires if it is not active for a period of `ttl`. The
+   * definition of "activity" depends on the type of the associated resource.
+   * The minimum and maximum allowed values for `ttl` depend on the type of the
+   * associated resource, as well. If `ttl` is not set, the associated resource
+   * never expires.
+   * 
        
+   *
+   * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the ttl field is set.
+   */
+  boolean hasTtl();
+  /**
+   * 
        +   * Optional. Specifies the "time-to-live" duration for an associated resource.
+   * The resource expires if it is not active for a period of `ttl`. The
+   * definition of "activity" depends on the type of the associated resource.
+   * The minimum and maximum allowed values for `ttl` depend on the type of the
+   * associated resource, as well. If `ttl` is not set, the associated resource
+   * never expires.
+   * 
        
+   *
+   * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The ttl.
+   */
+  com.google.protobuf.Duration getTtl();
+  /**
+   * 
        +   * Optional. Specifies the "time-to-live" duration for an associated resource.
+   * The resource expires if it is not active for a period of `ttl`. The
+   * definition of "activity" depends on the type of the associated resource.
+   * The minimum and maximum allowed values for `ttl` depend on the type of the
+   * associated resource, as well. If `ttl` is not set, the associated resource
+   * never expires.
+   * 
        
+   *
+   * .google.protobuf.Duration ttl = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.protobuf.DurationOrBuilder getTtlOrBuilder();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequest.java
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequest.java
index 9d6a6bd87..83260d945 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the GetSchema method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.GetSchemaRequest}
  */
-public final class GetSchemaRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class GetSchemaRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.GetSchemaRequest)
     GetSchemaRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use GetSchemaRequest.newBuilder() to construct.
   private GetSchemaRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private GetSchemaRequest() {
     name_ = "";
     view_ = 0;
@@ -44,41 +26,34 @@ private GetSchemaRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new GetSchemaRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_GetSchemaRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_GetSchemaRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_GetSchemaRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_GetSchemaRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.GetSchemaRequest.class,
-            com.google.pubsub.v1.GetSchemaRequest.Builder.class);
+            com.google.pubsub.v1.GetSchemaRequest.class, com.google.pubsub.v1.GetSchemaRequest.Builder.class);
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the schema to get.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   @java.lang.Override
@@ -87,32 +62,30 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the schema to get.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -123,41 +96,32 @@ public com.google.protobuf.ByteString getNameBytes() {
   public static final int VIEW_FIELD_NUMBER = 2;
   private int view_ = 0;
   /**
-   *
-   *
    * 
            * The set of fields to return in the response. If not set, returns a Schema
    * with all fields filled out. Set to `BASIC` to omit the `definition`.
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The enum numeric value on the wire for view.
    */
-  @java.lang.Override
-  public int getViewValue() {
+  @java.lang.Override public int getViewValue() {
     return view_;
   }
   /**
-   *
-   *
    * 
            * The set of fields to return in the response. If not set, returns a Schema
    * with all fields filled out. Set to `BASIC` to omit the `definition`.
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The view.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.SchemaView getView() {
+  @java.lang.Override public com.google.pubsub.v1.SchemaView getView() {
     com.google.pubsub.v1.SchemaView result = com.google.pubsub.v1.SchemaView.forNumber(view_);
     return result == null ? com.google.pubsub.v1.SchemaView.UNRECOGNIZED : result;
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -169,7 +133,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -189,7 +154,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
     }
     if (view_ != com.google.pubsub.v1.SchemaView.SCHEMA_VIEW_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, view_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(2, view_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -199,14 +165,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.GetSchemaRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.GetSchemaRequest other = (com.google.pubsub.v1.GetSchemaRequest) obj;
 
-    if (!getName().equals(other.getName())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
     if (view_ != other.view_) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -228,135 +195,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.GetSchemaRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.GetSchemaRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSchemaRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.GetSchemaRequest parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.GetSchemaRequest parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSchemaRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSchemaRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSchemaRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSchemaRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.GetSchemaRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.GetSchemaRequest parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.GetSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSchemaRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.GetSchemaRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.GetSchemaRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the GetSchema method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.GetSchemaRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.GetSchemaRequest)
       com.google.pubsub.v1.GetSchemaRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_GetSchemaRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_GetSchemaRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_GetSchemaRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_GetSchemaRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.GetSchemaRequest.class,
-              com.google.pubsub.v1.GetSchemaRequest.Builder.class);
+              com.google.pubsub.v1.GetSchemaRequest.class, com.google.pubsub.v1.GetSchemaRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.GetSchemaRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -367,9 +331,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_GetSchemaRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_GetSchemaRequest_descriptor;
     }
 
     @java.lang.Override
@@ -388,11 +352,8 @@ public com.google.pubsub.v1.GetSchemaRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.GetSchemaRequest buildPartial() {
-      com.google.pubsub.v1.GetSchemaRequest result =
-          new com.google.pubsub.v1.GetSchemaRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.GetSchemaRequest result = new com.google.pubsub.v1.GetSchemaRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -411,39 +372,38 @@ private void buildPartial0(com.google.pubsub.v1.GetSchemaRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.GetSchemaRequest) {
-        return mergeFrom((com.google.pubsub.v1.GetSchemaRequest) other);
+        return mergeFrom((com.google.pubsub.v1.GetSchemaRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -486,25 +446,22 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                view_ = input.readEnum();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              view_ = input.readEnum();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -514,28 +471,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the schema to get.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -544,24 +496,21 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema to get.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -569,41 +518,30 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema to get.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema to get.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -613,24 +551,18 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema to get.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -640,31 +572,24 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private int view_ = 0;
     /**
-     *
-     *
      * 
              * The set of fields to return in the response. If not set, returns a Schema
      * with all fields filled out. Set to `BASIC` to omit the `definition`.
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return The enum numeric value on the wire for view.
      */
-    @java.lang.Override
-    public int getViewValue() {
+    @java.lang.Override public int getViewValue() {
       return view_;
     }
     /**
-     *
-     *
      * 
              * The set of fields to return in the response. If not set, returns a Schema
      * with all fields filled out. Set to `BASIC` to omit the `definition`.
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @param value The enum numeric value on the wire for view to set.
      * @return This builder for chaining.
      */
@@ -675,15 +600,12 @@ public Builder setViewValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The set of fields to return in the response. If not set, returns a Schema
      * with all fields filled out. Set to `BASIC` to omit the `definition`.
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return The view.
      */
     @java.lang.Override
@@ -692,15 +614,12 @@ public com.google.pubsub.v1.SchemaView getView() {
       return result == null ? com.google.pubsub.v1.SchemaView.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * The set of fields to return in the response. If not set, returns a Schema
      * with all fields filled out. Set to `BASIC` to omit the `definition`.
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @param value The view to set.
      * @return This builder for chaining.
      */
@@ -714,15 +633,12 @@ public Builder setView(com.google.pubsub.v1.SchemaView value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The set of fields to return in the response. If not set, returns a Schema
      * with all fields filled out. Set to `BASIC` to omit the `definition`.
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return This builder for chaining.
      */
     public Builder clearView() {
@@ -731,9 +647,9 @@ public Builder clearView() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -743,12 +659,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.GetSchemaRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.GetSchemaRequest)
   private static final com.google.pubsub.v1.GetSchemaRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.GetSchemaRequest();
   }
@@ -757,27 +673,27 @@ public static com.google.pubsub.v1.GetSchemaRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public GetSchemaRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public GetSchemaRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -792,4 +708,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.GetSchemaRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequestOrBuilder.java
similarity index 55%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequestOrBuilder.java
index 81fa8291f..9e0792eeb 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSchemaRequestOrBuilder.java
@@ -1,82 +1,51 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface GetSchemaRequestOrBuilder
-    extends
+public interface GetSchemaRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.GetSchemaRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the schema to get.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. The name of the schema to get.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * The set of fields to return in the response. If not set, returns a Schema
    * with all fields filled out. Set to `BASIC` to omit the `definition`.
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The enum numeric value on the wire for view.
    */
   int getViewValue();
   /**
-   *
-   *
    * 
            * The set of fields to return in the response. If not set, returns a Schema
    * with all fields filled out. Set to `BASIC` to omit the `definition`.
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The view.
    */
   com.google.pubsub.v1.SchemaView getView();
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequest.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequest.java
index 54051d611..7be33e78f 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the GetSnapshot method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.GetSnapshotRequest}
  */
-public final class GetSnapshotRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class GetSnapshotRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.GetSnapshotRequest)
     GetSnapshotRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use GetSnapshotRequest.newBuilder() to construct.
   private GetSnapshotRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private GetSnapshotRequest() {
     snapshot_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new GetSnapshotRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_GetSnapshotRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSnapshotRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_GetSnapshotRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSnapshotRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.GetSnapshotRequest.class,
-            com.google.pubsub.v1.GetSnapshotRequest.Builder.class);
+            com.google.pubsub.v1.GetSnapshotRequest.class, com.google.pubsub.v1.GetSnapshotRequest.Builder.class);
   }
 
   public static final int SNAPSHOT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object snapshot_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the snapshot to get.
    * Format is `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * 
-   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The snapshot.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getSnapshot() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       snapshot_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the snapshot to get.
    * Format is `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * 
-   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for snapshot.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSnapshotBytes() {
+  public com.google.protobuf.ByteString
+      getSnapshotBytes() {
     java.lang.Object ref = snapshot_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       snapshot_ = b;
       return b;
     } else {
@@ -120,7 +93,6 @@ public com.google.protobuf.ByteString getSnapshotBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -132,7 +104,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(snapshot_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, snapshot_);
     }
@@ -156,14 +129,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.GetSnapshotRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.GetSnapshotRequest other = (com.google.pubsub.v1.GetSnapshotRequest) obj;
 
-    if (!getSnapshot().equals(other.getSnapshot())) return false;
+    if (!getSnapshot()
+        .equals(other.getSnapshot())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -182,136 +156,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.GetSnapshotRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.GetSnapshotRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.GetSnapshotRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.GetSnapshotRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.GetSnapshotRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the GetSnapshot method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.GetSnapshotRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.GetSnapshotRequest)
       com.google.pubsub.v1.GetSnapshotRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetSnapshotRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSnapshotRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetSnapshotRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSnapshotRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.GetSnapshotRequest.class,
-              com.google.pubsub.v1.GetSnapshotRequest.Builder.class);
+              com.google.pubsub.v1.GetSnapshotRequest.class, com.google.pubsub.v1.GetSnapshotRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.GetSnapshotRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -321,9 +291,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetSnapshotRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSnapshotRequest_descriptor;
     }
 
     @java.lang.Override
@@ -342,11 +312,8 @@ public com.google.pubsub.v1.GetSnapshotRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.GetSnapshotRequest buildPartial() {
-      com.google.pubsub.v1.GetSnapshotRequest result =
-          new com.google.pubsub.v1.GetSnapshotRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.GetSnapshotRequest result = new com.google.pubsub.v1.GetSnapshotRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -362,39 +329,38 @@ private void buildPartial0(com.google.pubsub.v1.GetSnapshotRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.GetSnapshotRequest) {
-        return mergeFrom((com.google.pubsub.v1.GetSnapshotRequest) other);
+        return mergeFrom((com.google.pubsub.v1.GetSnapshotRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -434,19 +400,17 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                snapshot_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              snapshot_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -456,28 +420,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object snapshot_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to get.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The snapshot.
      */
     public java.lang.String getSnapshot() {
       java.lang.Object ref = snapshot_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         snapshot_ = s;
         return s;
@@ -486,24 +445,21 @@ public java.lang.String getSnapshot() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to get.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for snapshot.
      */
-    public com.google.protobuf.ByteString getSnapshotBytes() {
+    public com.google.protobuf.ByteString
+        getSnapshotBytes() {
       java.lang.Object ref = snapshot_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         snapshot_ = b;
         return b;
       } else {
@@ -511,41 +467,30 @@ public com.google.protobuf.ByteString getSnapshotBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to get.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The snapshot to set.
      * @return This builder for chaining.
      */
-    public Builder setSnapshot(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSnapshot(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       snapshot_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to get.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSnapshot() {
@@ -555,33 +500,27 @@ public Builder clearSnapshot() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the snapshot to get.
      * Format is `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * 
-     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for snapshot to set.
      * @return This builder for chaining.
      */
-    public Builder setSnapshotBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSnapshotBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       snapshot_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -591,12 +530,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.GetSnapshotRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.GetSnapshotRequest)
   private static final com.google.pubsub.v1.GetSnapshotRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.GetSnapshotRequest();
   }
@@ -605,27 +544,27 @@ public static com.google.pubsub.v1.GetSnapshotRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public GetSnapshotRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public GetSnapshotRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -640,4 +579,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.GetSnapshotRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequestOrBuilder.java
new file mode 100644
index 000000000..d0c929953
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequestOrBuilder.java
@@ -0,0 +1,31 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface GetSnapshotRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.GetSnapshotRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the snapshot to get.
+   * Format is `projects/{project}/snapshots/{snap}`.
+   * 
        
+   *
+   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The snapshot.
+   */
+  java.lang.String getSnapshot();
+  /**
+   * 
        +   * Required. The name of the snapshot to get.
+   * Format is `projects/{project}/snapshots/{snap}`.
+   * 
        
+   *
+   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for snapshot.
+   */
+  com.google.protobuf.ByteString
+      getSnapshotBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequest.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequest.java
index f2bfee161..bd7fe1c8d 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the GetSubscription method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.GetSubscriptionRequest}
  */
-public final class GetSubscriptionRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class GetSubscriptionRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.GetSubscriptionRequest)
     GetSubscriptionRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use GetSubscriptionRequest.newBuilder() to construct.
   private GetSubscriptionRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private GetSubscriptionRequest() {
     subscription_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new GetSubscriptionRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_GetSubscriptionRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSubscriptionRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_GetSubscriptionRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSubscriptionRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.GetSubscriptionRequest.class,
-            com.google.pubsub.v1.GetSubscriptionRequest.Builder.class);
+            com.google.pubsub.v1.GetSubscriptionRequest.class, com.google.pubsub.v1.GetSubscriptionRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the subscription to get.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the subscription to get.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -120,7 +93,6 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -132,7 +104,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
     }
@@ -156,15 +129,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.GetSubscriptionRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.GetSubscriptionRequest other =
-        (com.google.pubsub.v1.GetSubscriptionRequest) obj;
+    com.google.pubsub.v1.GetSubscriptionRequest other = (com.google.pubsub.v1.GetSubscriptionRequest) obj;
 
-    if (!getSubscription().equals(other.getSubscription())) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -183,136 +156,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.GetSubscriptionRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.GetSubscriptionRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.GetSubscriptionRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.GetSubscriptionRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.GetSubscriptionRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the GetSubscription method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.GetSubscriptionRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.GetSubscriptionRequest)
       com.google.pubsub.v1.GetSubscriptionRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetSubscriptionRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSubscriptionRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetSubscriptionRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSubscriptionRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.GetSubscriptionRequest.class,
-              com.google.pubsub.v1.GetSubscriptionRequest.Builder.class);
+              com.google.pubsub.v1.GetSubscriptionRequest.class, com.google.pubsub.v1.GetSubscriptionRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.GetSubscriptionRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -322,9 +291,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetSubscriptionRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetSubscriptionRequest_descriptor;
     }
 
     @java.lang.Override
@@ -343,11 +312,8 @@ public com.google.pubsub.v1.GetSubscriptionRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.GetSubscriptionRequest buildPartial() {
-      com.google.pubsub.v1.GetSubscriptionRequest result =
-          new com.google.pubsub.v1.GetSubscriptionRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.GetSubscriptionRequest result = new com.google.pubsub.v1.GetSubscriptionRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -363,39 +329,38 @@ private void buildPartial0(com.google.pubsub.v1.GetSubscriptionRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.GetSubscriptionRequest) {
-        return mergeFrom((com.google.pubsub.v1.GetSubscriptionRequest) other);
+        return mergeFrom((com.google.pubsub.v1.GetSubscriptionRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -435,19 +400,17 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -457,28 +420,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the subscription to get.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -487,24 +445,21 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription to get.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -512,41 +467,30 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription to get.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription to get.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -556,33 +500,27 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription to get.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -592,12 +530,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.GetSubscriptionRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.GetSubscriptionRequest)
   private static final com.google.pubsub.v1.GetSubscriptionRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.GetSubscriptionRequest();
   }
@@ -606,27 +544,27 @@ public static com.google.pubsub.v1.GetSubscriptionRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public GetSubscriptionRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public GetSubscriptionRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -641,4 +579,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.GetSubscriptionRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequestOrBuilder.java
new file mode 100644
index 000000000..1b1f6dccb
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequestOrBuilder.java
@@ -0,0 +1,31 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface GetSubscriptionRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.GetSubscriptionRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the subscription to get.
+   * Format is `projects/{project}/subscriptions/{sub}`.
+   * 
        
+   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The subscription.
+   */
+  java.lang.String getSubscription();
+  /**
+   * 
        +   * Required. The name of the subscription to get.
+   * Format is `projects/{project}/subscriptions/{sub}`.
+   * 
        
+   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for subscription.
+   */
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequest.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequest.java
index 2b801c10a..55f72d3fd 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the GetTopic method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.GetTopicRequest}
  */
-public final class GetTopicRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class GetTopicRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.GetTopicRequest)
     GetTopicRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use GetTopicRequest.newBuilder() to construct.
   private GetTopicRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private GetTopicRequest() {
     topic_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new GetTopicRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_GetTopicRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetTopicRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_GetTopicRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetTopicRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.GetTopicRequest.class,
-            com.google.pubsub.v1.GetTopicRequest.Builder.class);
+            com.google.pubsub.v1.GetTopicRequest.class, com.google.pubsub.v1.GetTopicRequest.Builder.class);
   }
 
   public static final int TOPIC_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object topic_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the topic to get.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getTopic() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       topic_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the topic to get.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getTopicBytes() {
+  public com.google.protobuf.ByteString
+      getTopicBytes() {
     java.lang.Object ref = topic_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       topic_ = b;
       return b;
     } else {
@@ -120,7 +93,6 @@ public com.google.protobuf.ByteString getTopicBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -132,7 +104,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(topic_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, topic_);
     }
@@ -156,14 +129,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.GetTopicRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.GetTopicRequest other = (com.google.pubsub.v1.GetTopicRequest) obj;
 
-    if (!getTopic().equals(other.getTopic())) return false;
+    if (!getTopic()
+        .equals(other.getTopic())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -182,135 +156,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.GetTopicRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.GetTopicRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetTopicRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.GetTopicRequest parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.GetTopicRequest parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetTopicRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetTopicRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.GetTopicRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetTopicRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.GetTopicRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.GetTopicRequest parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.GetTopicRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.GetTopicRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.GetTopicRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.GetTopicRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the GetTopic method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.GetTopicRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.GetTopicRequest)
       com.google.pubsub.v1.GetTopicRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetTopicRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetTopicRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetTopicRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetTopicRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.GetTopicRequest.class,
-              com.google.pubsub.v1.GetTopicRequest.Builder.class);
+              com.google.pubsub.v1.GetTopicRequest.class, com.google.pubsub.v1.GetTopicRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.GetTopicRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -320,9 +291,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_GetTopicRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_GetTopicRequest_descriptor;
     }
 
     @java.lang.Override
@@ -342,9 +313,7 @@ public com.google.pubsub.v1.GetTopicRequest build() {
     @java.lang.Override
     public com.google.pubsub.v1.GetTopicRequest buildPartial() {
       com.google.pubsub.v1.GetTopicRequest result = new com.google.pubsub.v1.GetTopicRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -360,39 +329,38 @@ private void buildPartial0(com.google.pubsub.v1.GetTopicRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.GetTopicRequest) {
-        return mergeFrom((com.google.pubsub.v1.GetTopicRequest) other);
+        return mergeFrom((com.google.pubsub.v1.GetTopicRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -432,19 +400,17 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                topic_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              topic_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -454,28 +420,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object topic_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the topic to get.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The topic.
      */
     public java.lang.String getTopic() {
       java.lang.Object ref = topic_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         topic_ = s;
         return s;
@@ -484,24 +445,21 @@ public java.lang.String getTopic() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic to get.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for topic.
      */
-    public com.google.protobuf.ByteString getTopicBytes() {
+    public com.google.protobuf.ByteString
+        getTopicBytes() {
       java.lang.Object ref = topic_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         topic_ = b;
         return b;
       } else {
@@ -509,41 +467,30 @@ public com.google.protobuf.ByteString getTopicBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic to get.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopic(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopic(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       topic_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic to get.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearTopic() {
@@ -553,33 +500,27 @@ public Builder clearTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic to get.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopicBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       topic_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -589,12 +530,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.GetTopicRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.GetTopicRequest)
   private static final com.google.pubsub.v1.GetTopicRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.GetTopicRequest();
   }
@@ -603,27 +544,27 @@ public static com.google.pubsub.v1.GetTopicRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public GetTopicRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public GetTopicRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -638,4 +579,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.GetTopicRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequestOrBuilder.java
new file mode 100644
index 000000000..f29eae1a6
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequestOrBuilder.java
@@ -0,0 +1,31 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface GetTopicRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.GetTopicRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the topic to get.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The topic.
+   */
+  java.lang.String getTopic();
+  /**
+   * 
        +   * Required. The name of the topic to get.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for topic.
+   */
+  com.google.protobuf.ByteString
+      getTopicBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettings.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettings.java
similarity index 70%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettings.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettings.java
index 04c354d8b..299613699 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettings.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettings.java
@@ -1,156 +1,115 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Settings for an ingestion data source on a topic.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.IngestionDataSourceSettings}
  */
-public final class IngestionDataSourceSettings extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class IngestionDataSourceSettings extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.IngestionDataSourceSettings)
     IngestionDataSourceSettingsOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use IngestionDataSourceSettings.newBuilder() to construct.
   private IngestionDataSourceSettings(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private IngestionDataSourceSettings() {}
+  private IngestionDataSourceSettings() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new IngestionDataSourceSettings();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_IngestionDataSourceSettings_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.IngestionDataSourceSettings.class,
-            com.google.pubsub.v1.IngestionDataSourceSettings.Builder.class);
+            com.google.pubsub.v1.IngestionDataSourceSettings.class, com.google.pubsub.v1.IngestionDataSourceSettings.Builder.class);
   }
 
-  public interface AwsKinesisOrBuilder
-      extends
+  public interface AwsKinesisOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis)
       com.google.protobuf.MessageOrBuilder {
 
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates the state of the Kinesis
      * ingestion source.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The enum numeric value on the wire for state.
      */
     int getStateValue();
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates the state of the Kinesis
      * ingestion source.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The state.
      */
     com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State getState();
 
     /**
-     *
-     *
      * 
              * Required. The Kinesis stream ARN to ingest data from.
      * 
        
      *
      * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The streamArn.
      */
     java.lang.String getStreamArn();
     /**
-     *
-     *
      * 
              * Required. The Kinesis stream ARN to ingest data from.
      * 
        
      *
      * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for streamArn.
      */
-    com.google.protobuf.ByteString getStreamArnBytes();
+    com.google.protobuf.ByteString
+        getStreamArnBytes();
 
     /**
-     *
-     *
      * 
              * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
      * Fan-Out mode. The consumer must be already created and ready to be used.
      * 
        
      *
      * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The consumerArn.
      */
     java.lang.String getConsumerArn();
     /**
-     *
-     *
      * 
              * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
      * Fan-Out mode. The consumer must be already created and ready to be used.
      * 
        
      *
      * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for consumerArn.
      */
-    com.google.protobuf.ByteString getConsumerArnBytes();
+    com.google.protobuf.ByteString
+        getConsumerArnBytes();
 
     /**
-     *
-     *
      * 
              * Required. AWS role ARN to be used for Federated Identity authentication
      * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -158,13 +117,10 @@ public interface AwsKinesisOrBuilder
      * 
        
      *
      * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The awsRoleArn.
      */
     java.lang.String getAwsRoleArn();
     /**
-     *
-     *
      * 
              * Required. AWS role ARN to be used for Federated Identity authentication
      * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -172,14 +128,12 @@ public interface AwsKinesisOrBuilder
      * 
        
      *
      * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for awsRoleArn.
      */
-    com.google.protobuf.ByteString getAwsRoleArnBytes();
+    com.google.protobuf.ByteString
+        getAwsRoleArnBytes();
 
     /**
-     *
-     *
      * 
              * Required. The GCP service account to be used for Federated Identity
      * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -188,13 +142,10 @@ public interface AwsKinesisOrBuilder
      * 
        
      *
      * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The gcpServiceAccount.
      */
     java.lang.String getGcpServiceAccount();
     /**
-     *
-     *
      * 
              * Required. The GCP service account to be used for Federated Identity
      * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -203,30 +154,27 @@ public interface AwsKinesisOrBuilder
      * 
        
      *
      * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for gcpServiceAccount.
      */
-    com.google.protobuf.ByteString getGcpServiceAccountBytes();
+    com.google.protobuf.ByteString
+        getGcpServiceAccountBytes();
   }
   /**
-   *
-   *
    * 
            * Ingestion settings for Amazon Kinesis Data Streams.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis}
    */
-  public static final class AwsKinesis extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class AwsKinesis extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis)
       AwsKinesisOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use AwsKinesis.newBuilder() to construct.
     private AwsKinesis(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
     private AwsKinesis() {
       state_ = 0;
       streamArn_ = "";
@@ -237,38 +185,34 @@ private AwsKinesis() {
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new AwsKinesis();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.class,
-              com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder.class);
+              com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.class, com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder.class);
     }
 
     /**
-     *
-     *
      * 
              * Possible states for managed ingestion from Amazon Kinesis Data Streams.
      * 
        
      *
      * Protobuf enum {@code google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State}
      */
-    public enum State implements com.google.protobuf.ProtocolMessageEnum {
+    public enum State
+        implements com.google.protobuf.ProtocolMessageEnum {
       /**
-       *
-       *
        * 
                * Default value. This value is unused.
        * 
        
@@ -277,8 +221,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       STATE_UNSPECIFIED(0),
       /**
-       *
-       *
        * 
                * Ingestion is active.
        * 
        
@@ -287,8 +229,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       ACTIVE(1),
       /**
-       *
-       *
        * 
                * Permission denied encountered while consuming data from Kinesis.
        * This can happen if:
@@ -305,8 +245,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       KINESIS_PERMISSION_DENIED(2),
       /**
-       *
-       *
        * 
                * Permission denied encountered while publishing to the topic. This can
        * happen due to Pub/Sub SA has not been granted the [appropriate publish
@@ -317,8 +255,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       PUBLISH_PERMISSION_DENIED(3),
       /**
-       *
-       *
        * 
                * The Kinesis stream does not exist.
        * 
        
@@ -327,8 +263,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       STREAM_NOT_FOUND(4),
       /**
-       *
-       *
        * 
                * The Kinesis consumer does not exist.
        * 
        
@@ -340,8 +274,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
       ;
 
       /**
-       *
-       *
        * 
                * Default value. This value is unused.
        * 
        
@@ -350,8 +282,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       public static final int STATE_UNSPECIFIED_VALUE = 0;
       /**
-       *
-       *
        * 
                * Ingestion is active.
        * 
        
@@ -360,8 +290,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       public static final int ACTIVE_VALUE = 1;
       /**
-       *
-       *
        * 
                * Permission denied encountered while consuming data from Kinesis.
        * This can happen if:
@@ -378,8 +306,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       public static final int KINESIS_PERMISSION_DENIED_VALUE = 2;
       /**
-       *
-       *
        * 
                * Permission denied encountered while publishing to the topic. This can
        * happen due to Pub/Sub SA has not been granted the [appropriate publish
@@ -390,8 +316,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       public static final int PUBLISH_PERMISSION_DENIED_VALUE = 3;
       /**
-       *
-       *
        * 
                * The Kinesis stream does not exist.
        * 
        
@@ -400,8 +324,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       public static final int STREAM_NOT_FOUND_VALUE = 4;
       /**
-       *
-       *
        * 
                * The Kinesis consumer does not exist.
        * 
        
@@ -410,6 +332,7 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
        */
       public static final int CONSUMER_NOT_FOUND_VALUE = 5;
 
+
       public final int getNumber() {
         if (this == UNRECOGNIZED) {
           throw new java.lang.IllegalArgumentException(
@@ -434,57 +357,52 @@ public static State valueOf(int value) {
        */
       public static State forNumber(int value) {
         switch (value) {
-          case 0:
-            return STATE_UNSPECIFIED;
-          case 1:
-            return ACTIVE;
-          case 2:
-            return KINESIS_PERMISSION_DENIED;
-          case 3:
-            return PUBLISH_PERMISSION_DENIED;
-          case 4:
-            return STREAM_NOT_FOUND;
-          case 5:
-            return CONSUMER_NOT_FOUND;
-          default:
-            return null;
+          case 0: return STATE_UNSPECIFIED;
+          case 1: return ACTIVE;
+          case 2: return KINESIS_PERMISSION_DENIED;
+          case 3: return PUBLISH_PERMISSION_DENIED;
+          case 4: return STREAM_NOT_FOUND;
+          case 5: return CONSUMER_NOT_FOUND;
+          default: return null;
         }
       }
 
-      public static com.google.protobuf.Internal.EnumLiteMap internalGetValueMap() {
+      public static com.google.protobuf.Internal.EnumLiteMap
+          internalGetValueMap() {
         return internalValueMap;
       }
+      private static final com.google.protobuf.Internal.EnumLiteMap<
+          State> internalValueMap =
+            new com.google.protobuf.Internal.EnumLiteMap() {
+              public State findValueByNumber(int number) {
+                return State.forNumber(number);
+              }
+            };
 
-      private static final com.google.protobuf.Internal.EnumLiteMap internalValueMap =
-          new com.google.protobuf.Internal.EnumLiteMap() {
-            public State findValueByNumber(int number) {
-              return State.forNumber(number);
-            }
-          };
-
-      public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+      public final com.google.protobuf.Descriptors.EnumValueDescriptor
+          getValueDescriptor() {
         if (this == UNRECOGNIZED) {
           throw new java.lang.IllegalStateException(
               "Can't get the descriptor of an unrecognized enum value.");
         }
         return getDescriptor().getValues().get(ordinal());
       }
-
-      public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+      public final com.google.protobuf.Descriptors.EnumDescriptor
+          getDescriptorForType() {
         return getDescriptor();
       }
-
-      public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
-        return com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDescriptor()
-            .getEnumTypes()
-            .get(0);
+      public static final com.google.protobuf.Descriptors.EnumDescriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDescriptor().getEnumTypes().get(0);
       }
 
       private static final State[] VALUES = values();
 
-      public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      public static State valueOf(
+          com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
         if (desc.getType() != getDescriptor()) {
-          throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+          throw new java.lang.IllegalArgumentException(
+            "EnumValueDescriptor is not for this type.");
         }
         if (desc.getIndex() == -1) {
           return UNRECOGNIZED;
@@ -504,59 +422,40 @@ private State(int value) {
     public static final int STATE_FIELD_NUMBER = 1;
     private int state_ = 0;
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates the state of the Kinesis
      * ingestion source.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The enum numeric value on the wire for state.
      */
-    @java.lang.Override
-    public int getStateValue() {
+    @java.lang.Override public int getStateValue() {
       return state_;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field that indicates the state of the Kinesis
      * ingestion source.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The state.
      */
-    @java.lang.Override
-    public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State getState() {
-      com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State result =
-          com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.forNumber(state_);
-      return result == null
-          ? com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.UNRECOGNIZED
-          : result;
+    @java.lang.Override public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State getState() {
+      com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State result = com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.forNumber(state_);
+      return result == null ? com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.UNRECOGNIZED : result;
     }
 
     public static final int STREAM_ARN_FIELD_NUMBER = 2;
-
     @SuppressWarnings("serial")
     private volatile java.lang.Object streamArn_ = "";
     /**
-     *
-     *
      * 
              * Required. The Kinesis stream ARN to ingest data from.
      * 
        
      *
      * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The streamArn.
      */
     @java.lang.Override
@@ -565,29 +464,29 @@ public java.lang.String getStreamArn() {
       if (ref instanceof java.lang.String) {
         return (java.lang.String) ref;
       } else {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         streamArn_ = s;
         return s;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The Kinesis stream ARN to ingest data from.
      * 
        
      *
      * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for streamArn.
      */
     @java.lang.Override
-    public com.google.protobuf.ByteString getStreamArnBytes() {
+    public com.google.protobuf.ByteString
+        getStreamArnBytes() {
       java.lang.Object ref = streamArn_;
       if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         streamArn_ = b;
         return b;
       } else {
@@ -596,19 +495,15 @@ public com.google.protobuf.ByteString getStreamArnBytes() {
     }
 
     public static final int CONSUMER_ARN_FIELD_NUMBER = 3;
-
     @SuppressWarnings("serial")
     private volatile java.lang.Object consumerArn_ = "";
     /**
-     *
-     *
      * 
              * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
      * Fan-Out mode. The consumer must be already created and ready to be used.
      * 
        
      *
      * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The consumerArn.
      */
     @java.lang.Override
@@ -617,30 +512,30 @@ public java.lang.String getConsumerArn() {
       if (ref instanceof java.lang.String) {
         return (java.lang.String) ref;
       } else {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         consumerArn_ = s;
         return s;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
      * Fan-Out mode. The consumer must be already created and ready to be used.
      * 
        
      *
      * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for consumerArn.
      */
     @java.lang.Override
-    public com.google.protobuf.ByteString getConsumerArnBytes() {
+    public com.google.protobuf.ByteString
+        getConsumerArnBytes() {
       java.lang.Object ref = consumerArn_;
       if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         consumerArn_ = b;
         return b;
       } else {
@@ -649,12 +544,9 @@ public com.google.protobuf.ByteString getConsumerArnBytes() {
     }
 
     public static final int AWS_ROLE_ARN_FIELD_NUMBER = 4;
-
     @SuppressWarnings("serial")
     private volatile java.lang.Object awsRoleArn_ = "";
     /**
-     *
-     *
      * 
              * Required. AWS role ARN to be used for Federated Identity authentication
      * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -662,7 +554,6 @@ public com.google.protobuf.ByteString getConsumerArnBytes() {
      * 
        
      *
      * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The awsRoleArn.
      */
     @java.lang.Override
@@ -671,15 +562,14 @@ public java.lang.String getAwsRoleArn() {
       if (ref instanceof java.lang.String) {
         return (java.lang.String) ref;
       } else {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         awsRoleArn_ = s;
         return s;
       }
     }
     /**
-     *
-     *
      * 
              * Required. AWS role ARN to be used for Federated Identity authentication
      * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -687,15 +577,16 @@ public java.lang.String getAwsRoleArn() {
      * 
        
      *
      * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for awsRoleArn.
      */
     @java.lang.Override
-    public com.google.protobuf.ByteString getAwsRoleArnBytes() {
+    public com.google.protobuf.ByteString
+        getAwsRoleArnBytes() {
       java.lang.Object ref = awsRoleArn_;
       if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         awsRoleArn_ = b;
         return b;
       } else {
@@ -704,12 +595,9 @@ public com.google.protobuf.ByteString getAwsRoleArnBytes() {
     }
 
     public static final int GCP_SERVICE_ACCOUNT_FIELD_NUMBER = 5;
-
     @SuppressWarnings("serial")
     private volatile java.lang.Object gcpServiceAccount_ = "";
     /**
-     *
-     *
      * 
              * Required. The GCP service account to be used for Federated Identity
      * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -718,7 +606,6 @@ public com.google.protobuf.ByteString getAwsRoleArnBytes() {
      * 
        
      *
      * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The gcpServiceAccount.
      */
     @java.lang.Override
@@ -727,15 +614,14 @@ public java.lang.String getGcpServiceAccount() {
       if (ref instanceof java.lang.String) {
         return (java.lang.String) ref;
       } else {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         gcpServiceAccount_ = s;
         return s;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The GCP service account to be used for Federated Identity
      * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -744,15 +630,16 @@ public java.lang.String getGcpServiceAccount() {
      * 
        
      *
      * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for gcpServiceAccount.
      */
     @java.lang.Override
-    public com.google.protobuf.ByteString getGcpServiceAccountBytes() {
+    public com.google.protobuf.ByteString
+        getGcpServiceAccountBytes() {
       java.lang.Object ref = gcpServiceAccount_;
       if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         gcpServiceAccount_ = b;
         return b;
       } else {
@@ -761,7 +648,6 @@ public com.google.protobuf.ByteString getGcpServiceAccountBytes() {
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -773,10 +659,9 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-      if (state_
-          != com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.STATE_UNSPECIFIED
-              .getNumber()) {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      if (state_ != com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.STATE_UNSPECIFIED.getNumber()) {
         output.writeEnum(1, state_);
       }
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(streamArn_)) {
@@ -800,10 +685,9 @@ public int getSerializedSize() {
       if (size != -1) return size;
 
       size = 0;
-      if (state_
-          != com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.STATE_UNSPECIFIED
-              .getNumber()) {
-        size += com.google.protobuf.CodedOutputStream.computeEnumSize(1, state_);
+      if (state_ != com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.STATE_UNSPECIFIED.getNumber()) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeEnumSize(1, state_);
       }
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(streamArn_)) {
         size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, streamArn_);
@@ -825,19 +709,22 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
       if (!(obj instanceof com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis other =
-          (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) obj;
+      com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis other = (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) obj;
 
       if (state_ != other.state_) return false;
-      if (!getStreamArn().equals(other.getStreamArn())) return false;
-      if (!getConsumerArn().equals(other.getConsumerArn())) return false;
-      if (!getAwsRoleArn().equals(other.getAwsRoleArn())) return false;
-      if (!getGcpServiceAccount().equals(other.getGcpServiceAccount())) return false;
+      if (!getStreamArn()
+          .equals(other.getStreamArn())) return false;
+      if (!getConsumerArn()
+          .equals(other.getConsumerArn())) return false;
+      if (!getAwsRoleArn()
+          .equals(other.getAwsRoleArn())) return false;
+      if (!getGcpServiceAccount()
+          .equals(other.getGcpServiceAccount())) return false;
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -865,94 +752,89 @@ public int hashCode() {
     }
 
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
-        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseDelimitedFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseDelimitedFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
-    public static Builder newBuilder(
-        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis prototype) {
+    public static Builder newBuilder(com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -962,41 +844,39 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * Ingestion settings for Amazon Kinesis Data Streams.
      * 
        
      *
      * Protobuf type {@code google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis)
         com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.class,
-                com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder.class);
+                com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.class, com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder.class);
       }
 
       // Construct using com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.newBuilder()
-      private Builder() {}
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
@@ -1010,14 +890,13 @@ public Builder clear() {
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor;
       }
 
       @java.lang.Override
-      public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis
-          getDefaultInstanceForType() {
+      public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis getDefaultInstanceForType() {
         return com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDefaultInstance();
       }
 
@@ -1032,17 +911,13 @@ public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis build() {
 
       @java.lang.Override
       public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis buildPartial() {
-        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis result =
-            new com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis(this);
-        if (bitField0_ != 0) {
-          buildPartial0(result);
-        }
+        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis result = new com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis(this);
+        if (bitField0_ != 0) { buildPartial0(result); }
         onBuilt();
         return result;
       }
 
-      private void buildPartial0(
-          com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis result) {
+      private void buildPartial0(com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis result) {
         int from_bitField0_ = bitField0_;
         if (((from_bitField0_ & 0x00000001) != 0)) {
           result.state_ = state_;
@@ -1065,41 +940,38 @@ private void buildPartial0(
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) {
-          return mergeFrom((com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) other);
+          return mergeFrom((com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis)other);
         } else {
           super.mergeFrom(other);
           return this;
@@ -1107,9 +979,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
       }
 
       public Builder mergeFrom(com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis other) {
-        if (other
-            == com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDefaultInstance())
-          return this;
+        if (other == com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDefaultInstance()) return this;
         if (other.state_ != 0) {
           setStateValue(other.getStateValue());
         }
@@ -1159,43 +1029,37 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              case 8:
-                {
-                  state_ = input.readEnum();
-                  bitField0_ |= 0x00000001;
-                  break;
-                } // case 8
-              case 18:
-                {
-                  streamArn_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000002;
-                  break;
-                } // case 18
-              case 26:
-                {
-                  consumerArn_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000004;
-                  break;
-                } // case 26
-              case 34:
-                {
-                  awsRoleArn_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000008;
-                  break;
-                } // case 34
-              case 42:
-                {
-                  gcpServiceAccount_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000010;
-                  break;
-                } // case 42
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              case 8: {
+                state_ = input.readEnum();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+              case 18: {
+                streamArn_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+              case 26: {
+                consumerArn_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000004;
+                break;
+              } // case 26
+              case 34: {
+                awsRoleArn_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000008;
+                break;
+              } // case 34
+              case 42: {
+                gcpServiceAccount_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000010;
+                break;
+              } // case 42
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1205,40 +1069,28 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       private int bitField0_;
 
       private int state_ = 0;
       /**
-       *
-       *
        * 
                * Output only. An output-only field that indicates the state of the Kinesis
        * ingestion source.
        * 
        
        *
-       * 
-       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-       * 
-       *
+       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
        * @return The enum numeric value on the wire for state.
        */
-      @java.lang.Override
-      public int getStateValue() {
+      @java.lang.Override public int getStateValue() {
         return state_;
       }
       /**
-       *
-       *
        * 
                * Output only. An output-only field that indicates the state of the Kinesis
        * ingestion source.
        * 
        
        *
-       * 
-       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-       * 
-       *
+       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
        * @param value The enum numeric value on the wire for state to set.
        * @return This builder for chaining.
        */
@@ -1249,44 +1101,30 @@ public Builder setStateValue(int value) {
         return this;
       }
       /**
-       *
-       *
        * 
                * Output only. An output-only field that indicates the state of the Kinesis
        * ingestion source.
        * 
        
        *
-       * 
-       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-       * 
-       *
+       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
        * @return The state.
        */
       @java.lang.Override
       public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State getState() {
-        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State result =
-            com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.forNumber(state_);
-        return result == null
-            ? com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.UNRECOGNIZED
-            : result;
+        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State result = com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.forNumber(state_);
+        return result == null ? com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State.UNRECOGNIZED : result;
       }
       /**
-       *
-       *
        * 
                * Output only. An output-only field that indicates the state of the Kinesis
        * ingestion source.
        * 
        
        *
-       * 
-       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-       * 
-       *
+       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
        * @param value The state to set.
        * @return This builder for chaining.
        */
-      public Builder setState(
-          com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State value) {
+      public Builder setState(com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State value) {
         if (value == null) {
           throw new NullPointerException();
         }
@@ -1296,17 +1134,12 @@ public Builder setState(
         return this;
       }
       /**
-       *
-       *
        * 
                * Output only. An output-only field that indicates the state of the Kinesis
        * ingestion source.
        * 
        
        *
-       * 
-       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
-       * 
-       *
+       * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.State state = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];
        * @return This builder for chaining.
        */
       public Builder clearState() {
@@ -1318,20 +1151,18 @@ public Builder clearState() {
 
       private java.lang.Object streamArn_ = "";
       /**
-       *
-       *
        * 
                * Required. The Kinesis stream ARN to ingest data from.
        * 
        
        *
        * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return The streamArn.
        */
       public java.lang.String getStreamArn() {
         java.lang.Object ref = streamArn_;
         if (!(ref instanceof java.lang.String)) {
-          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
           java.lang.String s = bs.toStringUtf8();
           streamArn_ = s;
           return s;
@@ -1340,21 +1171,20 @@ public java.lang.String getStreamArn() {
         }
       }
       /**
-       *
-       *
        * 
                * Required. The Kinesis stream ARN to ingest data from.
        * 
        
        *
        * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return The bytes for streamArn.
        */
-      public com.google.protobuf.ByteString getStreamArnBytes() {
+      public com.google.protobuf.ByteString
+          getStreamArnBytes() {
         java.lang.Object ref = streamArn_;
         if (ref instanceof String) {
-          com.google.protobuf.ByteString b =
-              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
           streamArn_ = b;
           return b;
         } else {
@@ -1362,35 +1192,28 @@ public com.google.protobuf.ByteString getStreamArnBytes() {
         }
       }
       /**
-       *
-       *
        * 
                * Required. The Kinesis stream ARN to ingest data from.
        * 
        
        *
        * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @param value The streamArn to set.
        * @return This builder for chaining.
        */
-      public Builder setStreamArn(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setStreamArn(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         streamArn_ = value;
         bitField0_ |= 0x00000002;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
                * Required. The Kinesis stream ARN to ingest data from.
        * 
        
        *
        * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return This builder for chaining.
        */
       public Builder clearStreamArn() {
@@ -1400,21 +1223,17 @@ public Builder clearStreamArn() {
         return this;
       }
       /**
-       *
-       *
        * 
                * Required. The Kinesis stream ARN to ingest data from.
        * 
        
        *
        * string stream_arn = 2 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @param value The bytes for streamArn to set.
        * @return This builder for chaining.
        */
-      public Builder setStreamArnBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setStreamArnBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         streamArn_ = value;
         bitField0_ |= 0x00000002;
@@ -1424,21 +1243,19 @@ public Builder setStreamArnBytes(com.google.protobuf.ByteString value) {
 
       private java.lang.Object consumerArn_ = "";
       /**
-       *
-       *
        * 
                * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
        * Fan-Out mode. The consumer must be already created and ready to be used.
        * 
        
        *
        * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return The consumerArn.
        */
       public java.lang.String getConsumerArn() {
         java.lang.Object ref = consumerArn_;
         if (!(ref instanceof java.lang.String)) {
-          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
           java.lang.String s = bs.toStringUtf8();
           consumerArn_ = s;
           return s;
@@ -1447,22 +1264,21 @@ public java.lang.String getConsumerArn() {
         }
       }
       /**
-       *
-       *
        * 
                * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
        * Fan-Out mode. The consumer must be already created and ready to be used.
        * 
        
        *
        * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return The bytes for consumerArn.
        */
-      public com.google.protobuf.ByteString getConsumerArnBytes() {
+      public com.google.protobuf.ByteString
+          getConsumerArnBytes() {
         java.lang.Object ref = consumerArn_;
         if (ref instanceof String) {
-          com.google.protobuf.ByteString b =
-              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
           consumerArn_ = b;
           return b;
         } else {
@@ -1470,37 +1286,30 @@ public com.google.protobuf.ByteString getConsumerArnBytes() {
         }
       }
       /**
-       *
-       *
        * 
                * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
        * Fan-Out mode. The consumer must be already created and ready to be used.
        * 
        
        *
        * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @param value The consumerArn to set.
        * @return This builder for chaining.
        */
-      public Builder setConsumerArn(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setConsumerArn(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         consumerArn_ = value;
         bitField0_ |= 0x00000004;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
                * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
        * Fan-Out mode. The consumer must be already created and ready to be used.
        * 
        
        *
        * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return This builder for chaining.
        */
       public Builder clearConsumerArn() {
@@ -1510,22 +1319,18 @@ public Builder clearConsumerArn() {
         return this;
       }
       /**
-       *
-       *
        * 
                * Required. The Kinesis consumer ARN to used for ingestion in Enhanced
        * Fan-Out mode. The consumer must be already created and ready to be used.
        * 
        
        *
        * string consumer_arn = 3 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @param value The bytes for consumerArn to set.
        * @return This builder for chaining.
        */
-      public Builder setConsumerArnBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setConsumerArnBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         consumerArn_ = value;
         bitField0_ |= 0x00000004;
@@ -1535,8 +1340,6 @@ public Builder setConsumerArnBytes(com.google.protobuf.ByteString value) {
 
       private java.lang.Object awsRoleArn_ = "";
       /**
-       *
-       *
        * 
                * Required. AWS role ARN to be used for Federated Identity authentication
        * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -1544,13 +1347,13 @@ public Builder setConsumerArnBytes(com.google.protobuf.ByteString value) {
        * 
        
        *
        * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return The awsRoleArn.
        */
       public java.lang.String getAwsRoleArn() {
         java.lang.Object ref = awsRoleArn_;
         if (!(ref instanceof java.lang.String)) {
-          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
           java.lang.String s = bs.toStringUtf8();
           awsRoleArn_ = s;
           return s;
@@ -1559,8 +1362,6 @@ public java.lang.String getAwsRoleArn() {
         }
       }
       /**
-       *
-       *
        * 
                * Required. AWS role ARN to be used for Federated Identity authentication
        * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -1568,14 +1369,15 @@ public java.lang.String getAwsRoleArn() {
        * 
        
        *
        * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return The bytes for awsRoleArn.
        */
-      public com.google.protobuf.ByteString getAwsRoleArnBytes() {
+      public com.google.protobuf.ByteString
+          getAwsRoleArnBytes() {
         java.lang.Object ref = awsRoleArn_;
         if (ref instanceof String) {
-          com.google.protobuf.ByteString b =
-              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
           awsRoleArn_ = b;
           return b;
         } else {
@@ -1583,8 +1385,6 @@ public com.google.protobuf.ByteString getAwsRoleArnBytes() {
         }
       }
       /**
-       *
-       *
        * 
                * Required. AWS role ARN to be used for Federated Identity authentication
        * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -1592,22 +1392,18 @@ public com.google.protobuf.ByteString getAwsRoleArnBytes() {
        * 
        
        *
        * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @param value The awsRoleArn to set.
        * @return This builder for chaining.
        */
-      public Builder setAwsRoleArn(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setAwsRoleArn(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         awsRoleArn_ = value;
         bitField0_ |= 0x00000008;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
                * Required. AWS role ARN to be used for Federated Identity authentication
        * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -1615,7 +1411,6 @@ public Builder setAwsRoleArn(java.lang.String value) {
        * 
        
        *
        * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return This builder for chaining.
        */
       public Builder clearAwsRoleArn() {
@@ -1625,8 +1420,6 @@ public Builder clearAwsRoleArn() {
         return this;
       }
       /**
-       *
-       *
        * 
                * Required. AWS role ARN to be used for Federated Identity authentication
        * with Kinesis. Check the Pub/Sub docs for how to set up this role and the
@@ -1634,14 +1427,12 @@ public Builder clearAwsRoleArn() {
        * 
        
        *
        * string aws_role_arn = 4 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @param value The bytes for awsRoleArn to set.
        * @return This builder for chaining.
        */
-      public Builder setAwsRoleArnBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setAwsRoleArnBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         awsRoleArn_ = value;
         bitField0_ |= 0x00000008;
@@ -1651,8 +1442,6 @@ public Builder setAwsRoleArnBytes(com.google.protobuf.ByteString value) {
 
       private java.lang.Object gcpServiceAccount_ = "";
       /**
-       *
-       *
        * 
                * Required. The GCP service account to be used for Federated Identity
        * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -1661,13 +1450,13 @@ public Builder setAwsRoleArnBytes(com.google.protobuf.ByteString value) {
        * 
        
        *
        * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return The gcpServiceAccount.
        */
       public java.lang.String getGcpServiceAccount() {
         java.lang.Object ref = gcpServiceAccount_;
         if (!(ref instanceof java.lang.String)) {
-          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
           java.lang.String s = bs.toStringUtf8();
           gcpServiceAccount_ = s;
           return s;
@@ -1676,8 +1465,6 @@ public java.lang.String getGcpServiceAccount() {
         }
       }
       /**
-       *
-       *
        * 
                * Required. The GCP service account to be used for Federated Identity
        * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -1686,14 +1473,15 @@ public java.lang.String getGcpServiceAccount() {
        * 
        
        *
        * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return The bytes for gcpServiceAccount.
        */
-      public com.google.protobuf.ByteString getGcpServiceAccountBytes() {
+      public com.google.protobuf.ByteString
+          getGcpServiceAccountBytes() {
         java.lang.Object ref = gcpServiceAccount_;
         if (ref instanceof String) {
-          com.google.protobuf.ByteString b =
-              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
           gcpServiceAccount_ = b;
           return b;
         } else {
@@ -1701,8 +1489,6 @@ public com.google.protobuf.ByteString getGcpServiceAccountBytes() {
         }
       }
       /**
-       *
-       *
        * 
                * Required. The GCP service account to be used for Federated Identity
        * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -1711,22 +1497,18 @@ public com.google.protobuf.ByteString getGcpServiceAccountBytes() {
        * 
        
        *
        * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @param value The gcpServiceAccount to set.
        * @return This builder for chaining.
        */
-      public Builder setGcpServiceAccount(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setGcpServiceAccount(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         gcpServiceAccount_ = value;
         bitField0_ |= 0x00000010;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
                * Required. The GCP service account to be used for Federated Identity
        * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -1735,7 +1517,6 @@ public Builder setGcpServiceAccount(java.lang.String value) {
        * 
        
        *
        * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @return This builder for chaining.
        */
       public Builder clearGcpServiceAccount() {
@@ -1745,8 +1526,6 @@ public Builder clearGcpServiceAccount() {
         return this;
       }
       /**
-       *
-       *
        * 
                * Required. The GCP service account to be used for Federated Identity
        * authentication with Kinesis (via a `AssumeRoleWithWebIdentity` call for
@@ -1755,21 +1534,18 @@ public Builder clearGcpServiceAccount() {
        * 
        
        *
        * string gcp_service_account = 5 [(.google.api.field_behavior) = REQUIRED];
-       *
        * @param value The bytes for gcpServiceAccount to set.
        * @return This builder for chaining.
        */
-      public Builder setGcpServiceAccountBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setGcpServiceAccountBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         gcpServiceAccount_ = value;
         bitField0_ |= 0x00000010;
         onChanged();
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -1782,13 +1558,12 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis)
-    private static final com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis
-        DEFAULT_INSTANCE;
-
+    private static final com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis DEFAULT_INSTANCE;
     static {
       DEFAULT_INSTANCE = new com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis();
     }
@@ -1797,28 +1572,27 @@ public static com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis getDef
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public AwsKinesis parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public AwsKinesis parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -1833,21 +1607,18 @@ public com.google.protobuf.Parser getParserForType() {
     public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
   private int sourceCase_ = 0;
-
   @SuppressWarnings("serial")
   private java.lang.Object source_;
-
   public enum SourceCase
-      implements
-          com.google.protobuf.Internal.EnumLite,
+      implements com.google.protobuf.Internal.EnumLite,
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     AWS_KINESIS(1),
     SOURCE_NOT_SET(0);
     private final int value;
-
     private SourceCase(int value) {
       this.value = value;
     }
@@ -1863,36 +1634,29 @@ public static SourceCase valueOf(int value) {
 
     public static SourceCase forNumber(int value) {
       switch (value) {
-        case 1:
-          return AWS_KINESIS;
-        case 0:
-          return SOURCE_NOT_SET;
-        default:
-          return null;
+        case 1: return AWS_KINESIS;
+        case 0: return SOURCE_NOT_SET;
+        default: return null;
       }
     }
-
     public int getNumber() {
       return this.value;
     }
   };
 
-  public SourceCase getSourceCase() {
-    return SourceCase.forNumber(sourceCase_);
+  public SourceCase
+  getSourceCase() {
+    return SourceCase.forNumber(
+        sourceCase_);
   }
 
   public static final int AWS_KINESIS_FIELD_NUMBER = 1;
   /**
-   *
-   *
    * 
            * Optional. Amazon Kinesis Data Streams.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
+   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the awsKinesis field is set.
    */
   @java.lang.Override
@@ -1900,47 +1664,36 @@ public boolean hasAwsKinesis() {
     return sourceCase_ == 1;
   }
   /**
-   *
-   *
    * 
            * Optional. Amazon Kinesis Data Streams.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
+   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The awsKinesis.
    */
   @java.lang.Override
   public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis getAwsKinesis() {
     if (sourceCase_ == 1) {
-      return (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_;
+       return (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_;
     }
     return com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDefaultInstance();
   }
   /**
-   *
-   *
    * 
            * Optional. Amazon Kinesis Data Streams.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * 
+   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder
-      getAwsKinesisOrBuilder() {
+  public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder getAwsKinesisOrBuilder() {
     if (sourceCase_ == 1) {
-      return (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_;
+       return (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_;
     }
     return com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDefaultInstance();
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -1952,7 +1705,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (sourceCase_ == 1) {
       output.writeMessage(1, (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_);
     }
@@ -1966,9 +1720,8 @@ public int getSerializedSize() {
 
     size = 0;
     if (sourceCase_ == 1) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              1, (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -1978,18 +1731,18 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.IngestionDataSourceSettings)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.IngestionDataSourceSettings other =
-        (com.google.pubsub.v1.IngestionDataSourceSettings) obj;
+    com.google.pubsub.v1.IngestionDataSourceSettings other = (com.google.pubsub.v1.IngestionDataSourceSettings) obj;
 
     if (!getSourceCase().equals(other.getSourceCase())) return false;
     switch (sourceCase_) {
       case 1:
-        if (!getAwsKinesis().equals(other.getAwsKinesis())) return false;
+        if (!getAwsKinesis()
+            .equals(other.getAwsKinesis())) return false;
         break;
       case 0:
       default:
@@ -2018,136 +1771,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.IngestionDataSourceSettings parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.IngestionDataSourceSettings parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.IngestionDataSourceSettings parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.IngestionDataSourceSettings prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Settings for an ingestion data source on a topic.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.IngestionDataSourceSettings}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.IngestionDataSourceSettings)
       com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_IngestionDataSourceSettings_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.IngestionDataSourceSettings.class,
-              com.google.pubsub.v1.IngestionDataSourceSettings.Builder.class);
+              com.google.pubsub.v1.IngestionDataSourceSettings.class, com.google.pubsub.v1.IngestionDataSourceSettings.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.IngestionDataSourceSettings.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -2161,9 +1910,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor;
     }
 
     @java.lang.Override
@@ -2182,11 +1931,8 @@ public com.google.pubsub.v1.IngestionDataSourceSettings build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.IngestionDataSourceSettings buildPartial() {
-      com.google.pubsub.v1.IngestionDataSourceSettings result =
-          new com.google.pubsub.v1.IngestionDataSourceSettings(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.IngestionDataSourceSettings result = new com.google.pubsub.v1.IngestionDataSourceSettings(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       buildPartialOneofs(result);
       onBuilt();
       return result;
@@ -2199,7 +1945,8 @@ private void buildPartial0(com.google.pubsub.v1.IngestionDataSourceSettings resu
     private void buildPartialOneofs(com.google.pubsub.v1.IngestionDataSourceSettings result) {
       result.sourceCase_ = sourceCase_;
       result.source_ = this.source_;
-      if (sourceCase_ == 1 && awsKinesisBuilder_ != null) {
+      if (sourceCase_ == 1 &&
+          awsKinesisBuilder_ != null) {
         result.source_ = awsKinesisBuilder_.build();
       }
     }
@@ -2208,39 +1955,38 @@ private void buildPartialOneofs(com.google.pubsub.v1.IngestionDataSourceSettings
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.IngestionDataSourceSettings) {
-        return mergeFrom((com.google.pubsub.v1.IngestionDataSourceSettings) other);
+        return mergeFrom((com.google.pubsub.v1.IngestionDataSourceSettings)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -2248,18 +1994,15 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     }
 
     public Builder mergeFrom(com.google.pubsub.v1.IngestionDataSourceSettings other) {
-      if (other == com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance())
-        return this;
+      if (other == com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance()) return this;
       switch (other.getSourceCase()) {
-        case AWS_KINESIS:
-          {
-            mergeAwsKinesis(other.getAwsKinesis());
-            break;
-          }
-        case SOURCE_NOT_SET:
-          {
-            break;
-          }
+        case AWS_KINESIS: {
+          mergeAwsKinesis(other.getAwsKinesis());
+          break;
+        }
+        case SOURCE_NOT_SET: {
+          break;
+        }
       }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
@@ -2287,19 +2030,19 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                input.readMessage(getAwsKinesisFieldBuilder().getBuilder(), extensionRegistry);
-                sourceCase_ = 1;
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              input.readMessage(
+                  getAwsKinesisFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              sourceCase_ = 1;
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -2309,12 +2052,12 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int sourceCase_ = 0;
     private java.lang.Object source_;
-
-    public SourceCase getSourceCase() {
-      return SourceCase.forNumber(sourceCase_);
+    public SourceCase
+        getSourceCase() {
+      return SourceCase.forNumber(
+          sourceCase_);
     }
 
     public Builder clearSource() {
@@ -2327,21 +2070,13 @@ public Builder clearSource() {
     private int bitField0_;
 
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis,
-            com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder,
-            com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder>
-        awsKinesisBuilder_;
+        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis, com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder, com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder> awsKinesisBuilder_;
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the awsKinesis field is set.
      */
     @java.lang.Override
@@ -2349,16 +2084,11 @@ public boolean hasAwsKinesis() {
       return sourceCase_ == 1;
     }
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The awsKinesis.
      */
     @java.lang.Override
@@ -2376,18 +2106,13 @@ public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis getAwsKinesis
       }
     }
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setAwsKinesis(
-        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis value) {
+    public Builder setAwsKinesis(com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis value) {
       if (awsKinesisBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -2401,15 +2126,11 @@ public Builder setAwsKinesis(
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setAwsKinesis(
         com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder builderForValue) {
@@ -2423,28 +2144,18 @@ public Builder setAwsKinesis(
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder mergeAwsKinesis(
-        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis value) {
+    public Builder mergeAwsKinesis(com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis value) {
       if (awsKinesisBuilder_ == null) {
-        if (sourceCase_ == 1
-            && source_
-                != com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis
-                    .getDefaultInstance()) {
-          source_ =
-              com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.newBuilder(
-                      (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_)
-                  .mergeFrom(value)
-                  .buildPartial();
+        if (sourceCase_ == 1 &&
+            source_ != com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDefaultInstance()) {
+          source_ = com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.newBuilder((com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_)
+              .mergeFrom(value).buildPartial();
         } else {
           source_ = value;
         }
@@ -2460,15 +2171,11 @@ public Builder mergeAwsKinesis(
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearAwsKinesis() {
       if (awsKinesisBuilder_ == null) {
@@ -2487,34 +2194,24 @@ public Builder clearAwsKinesis() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder
-        getAwsKinesisBuilder() {
+    public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder getAwsKinesisBuilder() {
       return getAwsKinesisFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder
-        getAwsKinesisOrBuilder() {
+    public com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder getAwsKinesisOrBuilder() {
       if ((sourceCase_ == 1) && (awsKinesisBuilder_ != null)) {
         return awsKinesisBuilder_.getMessageOrBuilder();
       } else {
@@ -2525,31 +2222,21 @@ public Builder clearAwsKinesis() {
       }
     }
     /**
-     *
-     *
      * 
              * Optional. Amazon Kinesis Data Streams.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis,
-            com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder,
-            com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder>
+        com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis, com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder, com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder> 
         getAwsKinesisFieldBuilder() {
       if (awsKinesisBuilder_ == null) {
         if (!(sourceCase_ == 1)) {
-          source_ =
-              com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDefaultInstance();
+          source_ = com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.getDefaultInstance();
         }
-        awsKinesisBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis,
-                com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder,
-                com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder>(
+        awsKinesisBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis, com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis.Builder, com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder>(
                 (com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis) source_,
                 getParentForChildren(),
                 isClean());
@@ -2559,9 +2246,9 @@ public Builder clearAwsKinesis() {
       onChanged();
       return awsKinesisBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -2571,12 +2258,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.IngestionDataSourceSettings)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.IngestionDataSourceSettings)
   private static final com.google.pubsub.v1.IngestionDataSourceSettings DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.IngestionDataSourceSettings();
   }
@@ -2585,27 +2272,27 @@ public static com.google.pubsub.v1.IngestionDataSourceSettings getDefaultInstanc
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public IngestionDataSourceSettings parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public IngestionDataSourceSettings parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -2620,4 +2307,6 @@ public com.google.protobuf.Parser getParserForType(
   public com.google.pubsub.v1.IngestionDataSourceSettings getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettingsOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettingsOrBuilder.java
new file mode 100644
index 000000000..bd2ff0aac
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettingsOrBuilder.java
@@ -0,0 +1,38 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface IngestionDataSourceSettingsOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.IngestionDataSourceSettings)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. Amazon Kinesis Data Streams.
+   * 
        
+   *
+   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the awsKinesis field is set.
+   */
+  boolean hasAwsKinesis();
+  /**
+   * 
        +   * Optional. Amazon Kinesis Data Streams.
+   * 
        
+   *
+   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The awsKinesis.
+   */
+  com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis getAwsKinesis();
+  /**
+   * 
        +   * Optional. Amazon Kinesis Data Streams.
+   * 
        
+   *
+   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder getAwsKinesisOrBuilder();
+
+  com.google.pubsub.v1.IngestionDataSourceSettings.SourceCase getSourceCase();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequest.java
similarity index 69%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequest.java
index 2831126cf..15c46032e 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ListSchemaRevisions` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListSchemaRevisionsRequest}
  */
-public final class ListSchemaRevisionsRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListSchemaRevisionsRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListSchemaRevisionsRequest)
     ListSchemaRevisionsRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListSchemaRevisionsRequest.newBuilder() to construct.
   private ListSchemaRevisionsRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListSchemaRevisionsRequest() {
     name_ = "";
     view_ = 0;
@@ -45,40 +27,33 @@ private ListSchemaRevisionsRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListSchemaRevisionsRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListSchemaRevisionsRequest.class,
-            com.google.pubsub.v1.ListSchemaRevisionsRequest.Builder.class);
+            com.google.pubsub.v1.ListSchemaRevisionsRequest.class, com.google.pubsub.v1.ListSchemaRevisionsRequest.Builder.class);
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the schema to list revisions for.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   @java.lang.Override
@@ -87,31 +62,29 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the schema to list revisions for.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -122,8 +95,6 @@ public com.google.protobuf.ByteString getNameBytes() {
   public static final int VIEW_FIELD_NUMBER = 2;
   private int view_ = 0;
   /**
-   *
-   *
    * 
            * The set of Schema fields to return in the response. If not set, returns
    * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -131,16 +102,12 @@ public com.google.protobuf.ByteString getNameBytes() {
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The enum numeric value on the wire for view.
    */
-  @java.lang.Override
-  public int getViewValue() {
+  @java.lang.Override public int getViewValue() {
     return view_;
   }
   /**
-   *
-   *
    * 
            * The set of Schema fields to return in the response. If not set, returns
    * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -148,11 +115,9 @@ public int getViewValue() {
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The view.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.SchemaView getView() {
+  @java.lang.Override public com.google.pubsub.v1.SchemaView getView() {
     com.google.pubsub.v1.SchemaView result = com.google.pubsub.v1.SchemaView.forNumber(view_);
     return result == null ? com.google.pubsub.v1.SchemaView.UNRECOGNIZED : result;
   }
@@ -160,14 +125,11 @@ public com.google.pubsub.v1.SchemaView getView() {
   public static final int PAGE_SIZE_FIELD_NUMBER = 3;
   private int pageSize_ = 0;
   /**
-   *
-   *
    * 
            * The maximum number of revisions to return per page.
    * 
        
    *
    * int32 page_size = 3;
-   *
    * @return The pageSize.
    */
   @java.lang.Override
@@ -176,19 +138,15 @@ public int getPageSize() {
   }
 
   public static final int PAGE_TOKEN_FIELD_NUMBER = 4;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object pageToken_ = "";
   /**
-   *
-   *
    * 
            * The page token, received from a previous ListSchemaRevisions call.
    * Provide this to retrieve the subsequent page.
    * 
        
    *
    * string page_token = 4;
-   *
    * @return The pageToken.
    */
   @java.lang.Override
@@ -197,30 +155,30 @@ public java.lang.String getPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       pageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * The page token, received from a previous ListSchemaRevisions call.
    * Provide this to retrieve the subsequent page.
    * 
        
    *
    * string page_token = 4;
-   *
    * @return The bytes for pageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getPageTokenBytes() {
     java.lang.Object ref = pageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       pageToken_ = b;
       return b;
     } else {
@@ -229,7 +187,6 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -241,7 +198,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -267,10 +225,12 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
     }
     if (view_ != com.google.pubsub.v1.SchemaView.SCHEMA_VIEW_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, view_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(2, view_);
     }
     if (pageSize_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, pageSize_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(3, pageSize_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, pageToken_);
@@ -283,18 +243,20 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListSchemaRevisionsRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListSchemaRevisionsRequest other =
-        (com.google.pubsub.v1.ListSchemaRevisionsRequest) obj;
+    com.google.pubsub.v1.ListSchemaRevisionsRequest other = (com.google.pubsub.v1.ListSchemaRevisionsRequest) obj;
 
-    if (!getName().equals(other.getName())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
     if (view_ != other.view_) return false;
-    if (getPageSize() != other.getPageSize()) return false;
-    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (getPageSize()
+        != other.getPageSize()) return false;
+    if (!getPageToken()
+        .equals(other.getPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -319,136 +281,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListSchemaRevisionsRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ListSchemaRevisions` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListSchemaRevisionsRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListSchemaRevisionsRequest)
       com.google.pubsub.v1.ListSchemaRevisionsRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListSchemaRevisionsRequest.class,
-              com.google.pubsub.v1.ListSchemaRevisionsRequest.Builder.class);
+              com.google.pubsub.v1.ListSchemaRevisionsRequest.class, com.google.pubsub.v1.ListSchemaRevisionsRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListSchemaRevisionsRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -461,9 +419,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor;
     }
 
     @java.lang.Override
@@ -482,11 +440,8 @@ public com.google.pubsub.v1.ListSchemaRevisionsRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListSchemaRevisionsRequest buildPartial() {
-      com.google.pubsub.v1.ListSchemaRevisionsRequest result =
-          new com.google.pubsub.v1.ListSchemaRevisionsRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListSchemaRevisionsRequest result = new com.google.pubsub.v1.ListSchemaRevisionsRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -511,39 +466,38 @@ private void buildPartial0(com.google.pubsub.v1.ListSchemaRevisionsRequest resul
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListSchemaRevisionsRequest) {
-        return mergeFrom((com.google.pubsub.v1.ListSchemaRevisionsRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ListSchemaRevisionsRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -551,8 +505,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     }
 
     public Builder mergeFrom(com.google.pubsub.v1.ListSchemaRevisionsRequest other) {
-      if (other == com.google.pubsub.v1.ListSchemaRevisionsRequest.getDefaultInstance())
-        return this;
+      if (other == com.google.pubsub.v1.ListSchemaRevisionsRequest.getDefaultInstance()) return this;
       if (!other.getName().isEmpty()) {
         name_ = other.name_;
         bitField0_ |= 0x00000001;
@@ -595,37 +548,32 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                view_ = input.readEnum();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 24:
-              {
-                pageSize_ = input.readInt32();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 24
-            case 34:
-              {
-                pageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 34
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              view_ = input.readEnum();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 24: {
+              pageSize_ = input.readInt32();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 24
+            case 34: {
+              pageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 34
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -635,27 +583,22 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the schema to list revisions for.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -664,23 +607,20 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema to list revisions for.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -688,39 +628,28 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema to list revisions for.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema to list revisions for.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -730,23 +659,17 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema to list revisions for.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -756,8 +679,6 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private int view_ = 0;
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -765,16 +686,12 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return The enum numeric value on the wire for view.
      */
-    @java.lang.Override
-    public int getViewValue() {
+    @java.lang.Override public int getViewValue() {
       return view_;
     }
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -782,7 +699,6 @@ public int getViewValue() {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @param value The enum numeric value on the wire for view to set.
      * @return This builder for chaining.
      */
@@ -793,8 +709,6 @@ public Builder setViewValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -802,7 +716,6 @@ public Builder setViewValue(int value) {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return The view.
      */
     @java.lang.Override
@@ -811,8 +724,6 @@ public com.google.pubsub.v1.SchemaView getView() {
       return result == null ? com.google.pubsub.v1.SchemaView.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -820,7 +731,6 @@ public com.google.pubsub.v1.SchemaView getView() {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @param value The view to set.
      * @return This builder for chaining.
      */
@@ -834,8 +744,6 @@ public Builder setView(com.google.pubsub.v1.SchemaView value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -843,7 +751,6 @@ public Builder setView(com.google.pubsub.v1.SchemaView value) {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return This builder for chaining.
      */
     public Builder clearView() {
@@ -853,16 +760,13 @@ public Builder clearView() {
       return this;
     }
 
-    private int pageSize_;
+    private int pageSize_ ;
     /**
-     *
-     *
      * 
              * The maximum number of revisions to return per page.
      * 
        
      *
      * int32 page_size = 3;
-     *
      * @return The pageSize.
      */
     @java.lang.Override
@@ -870,14 +774,11 @@ public int getPageSize() {
       return pageSize_;
     }
     /**
-     *
-     *
      * 
              * The maximum number of revisions to return per page.
      * 
        
      *
      * int32 page_size = 3;
-     *
      * @param value The pageSize to set.
      * @return This builder for chaining.
      */
@@ -889,14 +790,11 @@ public Builder setPageSize(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The maximum number of revisions to return per page.
      * 
        
      *
      * int32 page_size = 3;
-     *
      * @return This builder for chaining.
      */
     public Builder clearPageSize() {
@@ -908,21 +806,19 @@ public Builder clearPageSize() {
 
     private java.lang.Object pageToken_ = "";
     /**
-     *
-     *
      * 
              * The page token, received from a previous ListSchemaRevisions call.
      * Provide this to retrieve the subsequent page.
      * 
        
      *
      * string page_token = 4;
-     *
      * @return The pageToken.
      */
     public java.lang.String getPageToken() {
       java.lang.Object ref = pageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         pageToken_ = s;
         return s;
@@ -931,22 +827,21 @@ public java.lang.String getPageToken() {
       }
     }
     /**
-     *
-     *
      * 
              * The page token, received from a previous ListSchemaRevisions call.
      * Provide this to retrieve the subsequent page.
      * 
        
      *
      * string page_token = 4;
-     *
      * @return The bytes for pageToken.
      */
-    public com.google.protobuf.ByteString getPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getPageTokenBytes() {
       java.lang.Object ref = pageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         pageToken_ = b;
         return b;
       } else {
@@ -954,37 +849,30 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * The page token, received from a previous ListSchemaRevisions call.
      * Provide this to retrieve the subsequent page.
      * 
        
      *
      * string page_token = 4;
-     *
      * @param value The pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       pageToken_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * The page token, received from a previous ListSchemaRevisions call.
      * Provide this to retrieve the subsequent page.
      * 
        
      *
      * string page_token = 4;
-     *
      * @return This builder for chaining.
      */
     public Builder clearPageToken() {
@@ -994,31 +882,27 @@ public Builder clearPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
              * The page token, received from a previous ListSchemaRevisions call.
      * Provide this to retrieve the subsequent page.
      * 
        
      *
      * string page_token = 4;
-     *
      * @param value The bytes for pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       pageToken_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1028,12 +912,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListSchemaRevisionsRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListSchemaRevisionsRequest)
   private static final com.google.pubsub.v1.ListSchemaRevisionsRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListSchemaRevisionsRequest();
   }
@@ -1042,27 +926,27 @@ public static com.google.pubsub.v1.ListSchemaRevisionsRequest getDefaultInstance
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListSchemaRevisionsRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListSchemaRevisionsRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1077,4 +961,6 @@ public com.google.protobuf.Parser getParserForType()
   public com.google.pubsub.v1.ListSchemaRevisionsRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequestOrBuilder.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequestOrBuilder.java
index dbe66052f..2d98d5726 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsRequestOrBuilder.java
@@ -1,60 +1,33 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface ListSchemaRevisionsRequestOrBuilder
-    extends
+public interface ListSchemaRevisionsRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSchemaRevisionsRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the schema to list revisions for.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. The name of the schema to list revisions for.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * The set of Schema fields to return in the response. If not set, returns
    * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -62,13 +35,10 @@ public interface ListSchemaRevisionsRequestOrBuilder
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The enum numeric value on the wire for view.
    */
   int getViewValue();
   /**
-   *
-   *
    * 
            * The set of Schema fields to return in the response. If not set, returns
    * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -76,48 +46,39 @@ public interface ListSchemaRevisionsRequestOrBuilder
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The view.
    */
   com.google.pubsub.v1.SchemaView getView();
 
   /**
-   *
-   *
    * 
            * The maximum number of revisions to return per page.
    * 
        
    *
    * int32 page_size = 3;
-   *
    * @return The pageSize.
    */
   int getPageSize();
 
   /**
-   *
-   *
    * 
            * The page token, received from a previous ListSchemaRevisions call.
    * Provide this to retrieve the subsequent page.
    * 
        
    *
    * string page_token = 4;
-   *
    * @return The pageToken.
    */
   java.lang.String getPageToken();
   /**
-   *
-   *
    * 
            * The page token, received from a previous ListSchemaRevisions call.
    * Provide this to retrieve the subsequent page.
    * 
        
    *
    * string page_token = 4;
-   *
    * @return The bytes for pageToken.
    */
-  com.google.protobuf.ByteString getPageTokenBytes();
+  com.google.protobuf.ByteString
+      getPageTokenBytes();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponse.java
similarity index 70%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponse.java
index 924db9436..52ad2b5c9 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponse.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ListSchemaRevisions` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListSchemaRevisionsResponse}
  */
-public final class ListSchemaRevisionsResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListSchemaRevisionsResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListSchemaRevisionsResponse)
     ListSchemaRevisionsResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListSchemaRevisionsResponse.newBuilder() to construct.
   private ListSchemaRevisionsResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListSchemaRevisionsResponse() {
     schemas_ = java.util.Collections.emptyList();
     nextPageToken_ = "";
@@ -44,32 +26,28 @@ private ListSchemaRevisionsResponse() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListSchemaRevisionsResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListSchemaRevisionsResponse.class,
-            com.google.pubsub.v1.ListSchemaRevisionsResponse.Builder.class);
+            com.google.pubsub.v1.ListSchemaRevisionsResponse.class, com.google.pubsub.v1.ListSchemaRevisionsResponse.Builder.class);
   }
 
   public static final int SCHEMAS_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private java.util.List schemas_;
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
@@ -81,8 +59,6 @@ public java.util.List getSchemasList() {
     return schemas_;
   }
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
@@ -90,12 +66,11 @@ public java.util.List getSchemasList() {
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
   @java.lang.Override
-  public java.util.List getSchemasOrBuilderList() {
+  public java.util.List 
+      getSchemasOrBuilderList() {
     return schemas_;
   }
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
@@ -107,8 +82,6 @@ public int getSchemasCount() {
     return schemas_.size();
   }
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
@@ -120,8 +93,6 @@ public com.google.pubsub.v1.Schema getSchemas(int index) {
     return schemas_.get(index);
   }
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
@@ -129,24 +100,21 @@ public com.google.pubsub.v1.Schema getSchemas(int index) {
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
   @java.lang.Override
-  public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index) {
+  public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(
+      int index) {
     return schemas_.get(index);
   }
 
   public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object nextPageToken_ = "";
   /**
-   *
-   *
    * 
            * A token that can be sent as `page_token` to retrieve the next page.
    * If this field is empty, there are no subsequent pages.
    * 
        
    *
    * string next_page_token = 2;
-   *
    * @return The nextPageToken.
    */
   @java.lang.Override
@@ -155,30 +123,30 @@ public java.lang.String getNextPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       nextPageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * A token that can be sent as `page_token` to retrieve the next page.
    * If this field is empty, there are no subsequent pages.
    * 
        
    *
    * string next_page_token = 2;
-   *
    * @return The bytes for nextPageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getNextPageTokenBytes() {
     java.lang.Object ref = nextPageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       nextPageToken_ = b;
       return b;
     } else {
@@ -187,7 +155,6 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -199,7 +166,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < schemas_.size(); i++) {
       output.writeMessage(1, schemas_.get(i));
     }
@@ -216,7 +184,8 @@ public int getSerializedSize() {
 
     size = 0;
     for (int i = 0; i < schemas_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, schemas_.get(i));
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, schemas_.get(i));
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
@@ -229,16 +198,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListSchemaRevisionsResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListSchemaRevisionsResponse other =
-        (com.google.pubsub.v1.ListSchemaRevisionsResponse) obj;
+    com.google.pubsub.v1.ListSchemaRevisionsResponse other = (com.google.pubsub.v1.ListSchemaRevisionsResponse) obj;
 
-    if (!getSchemasList().equals(other.getSchemasList())) return false;
-    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getSchemasList()
+        .equals(other.getSchemasList())) return false;
+    if (!getNextPageToken()
+        .equals(other.getNextPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -261,136 +231,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSchemaRevisionsResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListSchemaRevisionsResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ListSchemaRevisions` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListSchemaRevisionsResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListSchemaRevisionsResponse)
       com.google.pubsub.v1.ListSchemaRevisionsResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListSchemaRevisionsResponse.class,
-              com.google.pubsub.v1.ListSchemaRevisionsResponse.Builder.class);
+              com.google.pubsub.v1.ListSchemaRevisionsResponse.class, com.google.pubsub.v1.ListSchemaRevisionsResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListSchemaRevisionsResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -407,9 +373,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor;
     }
 
     @java.lang.Override
@@ -428,18 +394,14 @@ public com.google.pubsub.v1.ListSchemaRevisionsResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListSchemaRevisionsResponse buildPartial() {
-      com.google.pubsub.v1.ListSchemaRevisionsResponse result =
-          new com.google.pubsub.v1.ListSchemaRevisionsResponse(this);
+      com.google.pubsub.v1.ListSchemaRevisionsResponse result = new com.google.pubsub.v1.ListSchemaRevisionsResponse(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
 
-    private void buildPartialRepeatedFields(
-        com.google.pubsub.v1.ListSchemaRevisionsResponse result) {
+    private void buildPartialRepeatedFields(com.google.pubsub.v1.ListSchemaRevisionsResponse result) {
       if (schemasBuilder_ == null) {
         if (((bitField0_ & 0x00000001) != 0)) {
           schemas_ = java.util.Collections.unmodifiableList(schemas_);
@@ -462,39 +424,38 @@ private void buildPartial0(com.google.pubsub.v1.ListSchemaRevisionsResponse resu
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListSchemaRevisionsResponse) {
-        return mergeFrom((com.google.pubsub.v1.ListSchemaRevisionsResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ListSchemaRevisionsResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -502,8 +463,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     }
 
     public Builder mergeFrom(com.google.pubsub.v1.ListSchemaRevisionsResponse other) {
-      if (other == com.google.pubsub.v1.ListSchemaRevisionsResponse.getDefaultInstance())
-        return this;
+      if (other == com.google.pubsub.v1.ListSchemaRevisionsResponse.getDefaultInstance()) return this;
       if (schemasBuilder_ == null) {
         if (!other.schemas_.isEmpty()) {
           if (schemas_.isEmpty()) {
@@ -522,10 +482,9 @@ public Builder mergeFrom(com.google.pubsub.v1.ListSchemaRevisionsResponse other)
             schemasBuilder_ = null;
             schemas_ = other.schemas_;
             bitField0_ = (bitField0_ & ~0x00000001);
-            schemasBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getSchemasFieldBuilder()
-                    : null;
+            schemasBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getSchemasFieldBuilder() : null;
           } else {
             schemasBuilder_.addAllMessages(other.schemas_);
           }
@@ -562,31 +521,30 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                com.google.pubsub.v1.Schema m =
-                    input.readMessage(com.google.pubsub.v1.Schema.parser(), extensionRegistry);
-                if (schemasBuilder_ == null) {
-                  ensureSchemasIsMutable();
-                  schemas_.add(m);
-                } else {
-                  schemasBuilder_.addMessage(m);
-                }
-                break;
-              } // case 10
-            case 18:
-              {
-                nextPageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              com.google.pubsub.v1.Schema m =
+                  input.readMessage(
+                      com.google.pubsub.v1.Schema.parser(),
+                      extensionRegistry);
+              if (schemasBuilder_ == null) {
+                ensureSchemasIsMutable();
+                schemas_.add(m);
+              } else {
+                schemasBuilder_.addMessage(m);
+              }
+              break;
+            } // case 10
+            case 18: {
+              nextPageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -596,28 +554,21 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.util.List schemas_ =
-        java.util.Collections.emptyList();
-
+      java.util.Collections.emptyList();
     private void ensureSchemasIsMutable() {
       if (!((bitField0_ & 0x00000001) != 0)) {
         schemas_ = new java.util.ArrayList(schemas_);
         bitField0_ |= 0x00000001;
-      }
+       }
     }
 
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
-        schemasBuilder_;
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> schemasBuilder_;
 
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
@@ -632,8 +583,6 @@ public java.util.List getSchemasList() {
       }
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
@@ -648,8 +597,6 @@ public int getSchemasCount() {
       }
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
@@ -664,15 +611,14 @@ public com.google.pubsub.v1.Schema getSchemas(int index) {
       }
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder setSchemas(int index, com.google.pubsub.v1.Schema value) {
+    public Builder setSchemas(
+        int index, com.google.pubsub.v1.Schema value) {
       if (schemasBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -686,15 +632,14 @@ public Builder setSchemas(int index, com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder setSchemas(int index, com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder setSchemas(
+        int index, com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemasBuilder_ == null) {
         ensureSchemasIsMutable();
         schemas_.set(index, builderForValue.build());
@@ -705,8 +650,6 @@ public Builder setSchemas(int index, com.google.pubsub.v1.Schema.Builder builder
       return this;
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
@@ -727,15 +670,14 @@ public Builder addSchemas(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder addSchemas(int index, com.google.pubsub.v1.Schema value) {
+    public Builder addSchemas(
+        int index, com.google.pubsub.v1.Schema value) {
       if (schemasBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -749,15 +691,14 @@ public Builder addSchemas(int index, com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder addSchemas(com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder addSchemas(
+        com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemasBuilder_ == null) {
         ensureSchemasIsMutable();
         schemas_.add(builderForValue.build());
@@ -768,15 +709,14 @@ public Builder addSchemas(com.google.pubsub.v1.Schema.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder addSchemas(int index, com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder addSchemas(
+        int index, com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemasBuilder_ == null) {
         ensureSchemasIsMutable();
         schemas_.add(index, builderForValue.build());
@@ -787,18 +727,18 @@ public Builder addSchemas(int index, com.google.pubsub.v1.Schema.Builder builder
       return this;
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder addAllSchemas(java.lang.Iterable values) {
+    public Builder addAllSchemas(
+        java.lang.Iterable values) {
       if (schemasBuilder_ == null) {
         ensureSchemasIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, schemas_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, schemas_);
         onChanged();
       } else {
         schemasBuilder_.addAllMessages(values);
@@ -806,8 +746,6 @@ public Builder addAllSchemas(java.lang.Iterable
      * The revisions of the schema.
      * 
        
@@ -825,8 +763,6 @@ public Builder clearSchemas() {
       return this;
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
@@ -844,44 +780,39 @@ public Builder removeSchemas(int index) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public com.google.pubsub.v1.Schema.Builder getSchemasBuilder(int index) {
+    public com.google.pubsub.v1.Schema.Builder getSchemasBuilder(
+        int index) {
       return getSchemasFieldBuilder().getBuilder(index);
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index) {
+    public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(
+        int index) {
       if (schemasBuilder_ == null) {
-        return schemas_.get(index);
-      } else {
+        return schemas_.get(index);  } else {
         return schemasBuilder_.getMessageOrBuilder(index);
       }
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public java.util.List
-        getSchemasOrBuilderList() {
+    public java.util.List 
+         getSchemasOrBuilderList() {
       if (schemasBuilder_ != null) {
         return schemasBuilder_.getMessageOrBuilderList();
       } else {
@@ -889,8 +820,6 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index) {
       }
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
@@ -898,46 +827,42 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index) {
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
     public com.google.pubsub.v1.Schema.Builder addSchemasBuilder() {
-      return getSchemasFieldBuilder().addBuilder(com.google.pubsub.v1.Schema.getDefaultInstance());
+      return getSchemasFieldBuilder().addBuilder(
+          com.google.pubsub.v1.Schema.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public com.google.pubsub.v1.Schema.Builder addSchemasBuilder(int index) {
-      return getSchemasFieldBuilder()
-          .addBuilder(index, com.google.pubsub.v1.Schema.getDefaultInstance());
+    public com.google.pubsub.v1.Schema.Builder addSchemasBuilder(
+        int index) {
+      return getSchemasFieldBuilder().addBuilder(
+          index, com.google.pubsub.v1.Schema.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
              * The revisions of the schema.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public java.util.List getSchemasBuilderList() {
+    public java.util.List 
+         getSchemasBuilderList() {
       return getSchemasFieldBuilder().getBuilderList();
     }
-
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> 
         getSchemasFieldBuilder() {
       if (schemasBuilder_ == null) {
-        schemasBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.pubsub.v1.Schema,
-                com.google.pubsub.v1.Schema.Builder,
-                com.google.pubsub.v1.SchemaOrBuilder>(
-                schemas_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        schemasBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder>(
+                schemas_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
         schemas_ = null;
       }
       return schemasBuilder_;
@@ -945,21 +870,19 @@ public java.util.List getSchemasBuilderList
 
     private java.lang.Object nextPageToken_ = "";
     /**
-     *
-     *
      * 
              * A token that can be sent as `page_token` to retrieve the next page.
      * If this field is empty, there are no subsequent pages.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @return The nextPageToken.
      */
     public java.lang.String getNextPageToken() {
       java.lang.Object ref = nextPageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         nextPageToken_ = s;
         return s;
@@ -968,22 +891,21 @@ public java.lang.String getNextPageToken() {
       }
     }
     /**
-     *
-     *
      * 
              * A token that can be sent as `page_token` to retrieve the next page.
      * If this field is empty, there are no subsequent pages.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @return The bytes for nextPageToken.
      */
-    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getNextPageTokenBytes() {
       java.lang.Object ref = nextPageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         nextPageToken_ = b;
         return b;
       } else {
@@ -991,37 +913,30 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * A token that can be sent as `page_token` to retrieve the next page.
      * If this field is empty, there are no subsequent pages.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @param value The nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * A token that can be sent as `page_token` to retrieve the next page.
      * If this field is empty, there are no subsequent pages.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @return This builder for chaining.
      */
     public Builder clearNextPageToken() {
@@ -1031,31 +946,27 @@ public Builder clearNextPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
              * A token that can be sent as `page_token` to retrieve the next page.
      * If this field is empty, there are no subsequent pages.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @param value The bytes for nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1065,12 +976,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListSchemaRevisionsResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListSchemaRevisionsResponse)
   private static final com.google.pubsub.v1.ListSchemaRevisionsResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListSchemaRevisionsResponse();
   }
@@ -1079,27 +990,27 @@ public static com.google.pubsub.v1.ListSchemaRevisionsResponse getDefaultInstanc
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListSchemaRevisionsResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListSchemaRevisionsResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1114,4 +1025,6 @@ public com.google.protobuf.Parser getParserForType(
   public com.google.pubsub.v1.ListSchemaRevisionsResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponseOrBuilder.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponseOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponseOrBuilder.java
index 062f6c84b..bfa347227 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponseOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemaRevisionsResponseOrBuilder.java
@@ -1,41 +1,22 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface ListSchemaRevisionsResponseOrBuilder
-    extends
+public interface ListSchemaRevisionsResponseOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSchemaRevisionsResponse)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
    *
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
-  java.util.List getSchemasList();
+  java.util.List 
+      getSchemasList();
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
@@ -44,8 +25,6 @@ public interface ListSchemaRevisionsResponseOrBuilder
    */
   com.google.pubsub.v1.Schema getSchemas(int index);
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
@@ -54,50 +33,43 @@ public interface ListSchemaRevisionsResponseOrBuilder
    */
   int getSchemasCount();
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
    *
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
-  java.util.List getSchemasOrBuilderList();
+  java.util.List 
+      getSchemasOrBuilderList();
   /**
-   *
-   *
    * 
            * The revisions of the schema.
    * 
        
    *
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
-  com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index);
+  com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(
+      int index);
 
   /**
-   *
-   *
    * 
            * A token that can be sent as `page_token` to retrieve the next page.
    * If this field is empty, there are no subsequent pages.
    * 
        
    *
    * string next_page_token = 2;
-   *
    * @return The nextPageToken.
    */
   java.lang.String getNextPageToken();
   /**
-   *
-   *
    * 
            * A token that can be sent as `page_token` to retrieve the next page.
    * If this field is empty, there are no subsequent pages.
    * 
        
    *
    * string next_page_token = 2;
-   *
    * @return The bytes for nextPageToken.
    */
-  com.google.protobuf.ByteString getNextPageTokenBytes();
+  com.google.protobuf.ByteString
+      getNextPageTokenBytes();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequest.java
similarity index 70%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequest.java
index 557437614..1448545f5 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ListSchemas` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListSchemasRequest}
  */
-public final class ListSchemasRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListSchemasRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListSchemasRequest)
     ListSchemasRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListSchemasRequest.newBuilder() to construct.
   private ListSchemasRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListSchemasRequest() {
     parent_ = "";
     view_ = 0;
@@ -45,41 +27,34 @@ private ListSchemasRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListSchemasRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ListSchemasRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ListSchemasRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListSchemasRequest.class,
-            com.google.pubsub.v1.ListSchemasRequest.Builder.class);
+            com.google.pubsub.v1.ListSchemasRequest.class, com.google.pubsub.v1.ListSchemasRequest.Builder.class);
   }
 
   public static final int PARENT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object parent_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The parent.
    */
   @java.lang.Override
@@ -88,32 +63,30 @@ public java.lang.String getParent() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       parent_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for parent.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getParentBytes() {
+  public com.google.protobuf.ByteString
+      getParentBytes() {
     java.lang.Object ref = parent_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       parent_ = b;
       return b;
     } else {
@@ -124,8 +97,6 @@ public com.google.protobuf.ByteString getParentBytes() {
   public static final int VIEW_FIELD_NUMBER = 2;
   private int view_ = 0;
   /**
-   *
-   *
    * 
            * The set of Schema fields to return in the response. If not set, returns
    * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -133,16 +104,12 @@ public com.google.protobuf.ByteString getParentBytes() {
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The enum numeric value on the wire for view.
    */
-  @java.lang.Override
-  public int getViewValue() {
+  @java.lang.Override public int getViewValue() {
     return view_;
   }
   /**
-   *
-   *
    * 
            * The set of Schema fields to return in the response. If not set, returns
    * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -150,11 +117,9 @@ public int getViewValue() {
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The view.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.SchemaView getView() {
+  @java.lang.Override public com.google.pubsub.v1.SchemaView getView() {
     com.google.pubsub.v1.SchemaView result = com.google.pubsub.v1.SchemaView.forNumber(view_);
     return result == null ? com.google.pubsub.v1.SchemaView.UNRECOGNIZED : result;
   }
@@ -162,14 +127,11 @@ public com.google.pubsub.v1.SchemaView getView() {
   public static final int PAGE_SIZE_FIELD_NUMBER = 3;
   private int pageSize_ = 0;
   /**
-   *
-   *
    * 
            * Maximum number of schemas to return.
    * 
        
    *
    * int32 page_size = 3;
-   *
    * @return The pageSize.
    */
   @java.lang.Override
@@ -178,12 +140,9 @@ public int getPageSize() {
   }
 
   public static final int PAGE_TOKEN_FIELD_NUMBER = 4;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object pageToken_ = "";
   /**
-   *
-   *
    * 
            * The value returned by the last `ListSchemasResponse`; indicates that
    * this is a continuation of a prior `ListSchemas` call, and that the
@@ -191,7 +150,6 @@ public int getPageSize() {
    * 
        
    *
    * string page_token = 4;
-   *
    * @return The pageToken.
    */
   @java.lang.Override
@@ -200,15 +158,14 @@ public java.lang.String getPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       pageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * The value returned by the last `ListSchemasResponse`; indicates that
    * this is a continuation of a prior `ListSchemas` call, and that the
@@ -216,15 +173,16 @@ public java.lang.String getPageToken() {
    * 
        
    *
    * string page_token = 4;
-   *
    * @return The bytes for pageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getPageTokenBytes() {
     java.lang.Object ref = pageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       pageToken_ = b;
       return b;
     } else {
@@ -233,7 +191,6 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -245,7 +202,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
     }
@@ -271,10 +229,12 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
     }
     if (view_ != com.google.pubsub.v1.SchemaView.SCHEMA_VIEW_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, view_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(2, view_);
     }
     if (pageSize_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, pageSize_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(3, pageSize_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, pageToken_);
@@ -287,17 +247,20 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListSchemasRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.ListSchemasRequest other = (com.google.pubsub.v1.ListSchemasRequest) obj;
 
-    if (!getParent().equals(other.getParent())) return false;
+    if (!getParent()
+        .equals(other.getParent())) return false;
     if (view_ != other.view_) return false;
-    if (getPageSize() != other.getPageSize()) return false;
-    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (getPageSize()
+        != other.getPageSize()) return false;
+    if (!getPageToken()
+        .equals(other.getPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -322,136 +285,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListSchemasRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListSchemasRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListSchemasRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSchemasRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListSchemasRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSchemasRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListSchemasRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ListSchemas` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListSchemasRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListSchemasRequest)
       com.google.pubsub.v1.ListSchemasRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemasRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemasRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListSchemasRequest.class,
-              com.google.pubsub.v1.ListSchemasRequest.Builder.class);
+              com.google.pubsub.v1.ListSchemasRequest.class, com.google.pubsub.v1.ListSchemasRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListSchemasRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -464,9 +423,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemasRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasRequest_descriptor;
     }
 
     @java.lang.Override
@@ -485,11 +444,8 @@ public com.google.pubsub.v1.ListSchemasRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListSchemasRequest buildPartial() {
-      com.google.pubsub.v1.ListSchemasRequest result =
-          new com.google.pubsub.v1.ListSchemasRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListSchemasRequest result = new com.google.pubsub.v1.ListSchemasRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -514,39 +470,38 @@ private void buildPartial0(com.google.pubsub.v1.ListSchemasRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListSchemasRequest) {
-        return mergeFrom((com.google.pubsub.v1.ListSchemasRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ListSchemasRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -597,37 +552,32 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                parent_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                view_ = input.readEnum();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 24:
-              {
-                pageSize_ = input.readInt32();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 24
-            case 34:
-              {
-                pageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 34
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              parent_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              view_ = input.readEnum();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 24: {
+              pageSize_ = input.readInt32();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 24
+            case 34: {
+              pageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 34
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -637,28 +587,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object parent_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The parent.
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         parent_ = s;
         return s;
@@ -667,24 +612,21 @@ public java.lang.String getParent() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for parent.
      */
-    public com.google.protobuf.ByteString getParentBytes() {
+    public com.google.protobuf.ByteString
+        getParentBytes() {
       java.lang.Object ref = parent_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         parent_ = b;
         return b;
       } else {
@@ -692,41 +634,30 @@ public com.google.protobuf.ByteString getParentBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The parent to set.
      * @return This builder for chaining.
      */
-    public Builder setParent(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setParent(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       parent_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearParent() {
@@ -736,24 +667,18 @@ public Builder clearParent() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for parent to set.
      * @return This builder for chaining.
      */
-    public Builder setParentBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setParentBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       parent_ = value;
       bitField0_ |= 0x00000001;
@@ -763,8 +688,6 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
 
     private int view_ = 0;
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -772,16 +695,12 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return The enum numeric value on the wire for view.
      */
-    @java.lang.Override
-    public int getViewValue() {
+    @java.lang.Override public int getViewValue() {
       return view_;
     }
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -789,7 +708,6 @@ public int getViewValue() {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @param value The enum numeric value on the wire for view to set.
      * @return This builder for chaining.
      */
@@ -800,8 +718,6 @@ public Builder setViewValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -809,7 +725,6 @@ public Builder setViewValue(int value) {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return The view.
      */
     @java.lang.Override
@@ -818,8 +733,6 @@ public com.google.pubsub.v1.SchemaView getView() {
       return result == null ? com.google.pubsub.v1.SchemaView.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -827,7 +740,6 @@ public com.google.pubsub.v1.SchemaView getView() {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @param value The view to set.
      * @return This builder for chaining.
      */
@@ -841,8 +753,6 @@ public Builder setView(com.google.pubsub.v1.SchemaView value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The set of Schema fields to return in the response. If not set, returns
      * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -850,7 +760,6 @@ public Builder setView(com.google.pubsub.v1.SchemaView value) {
      * 
        
      *
      * .google.pubsub.v1.SchemaView view = 2;
-     *
      * @return This builder for chaining.
      */
     public Builder clearView() {
@@ -860,16 +769,13 @@ public Builder clearView() {
       return this;
     }
 
-    private int pageSize_;
+    private int pageSize_ ;
     /**
-     *
-     *
      * 
              * Maximum number of schemas to return.
      * 
        
      *
      * int32 page_size = 3;
-     *
      * @return The pageSize.
      */
     @java.lang.Override
@@ -877,14 +783,11 @@ public int getPageSize() {
       return pageSize_;
     }
     /**
-     *
-     *
      * 
              * Maximum number of schemas to return.
      * 
        
      *
      * int32 page_size = 3;
-     *
      * @param value The pageSize to set.
      * @return This builder for chaining.
      */
@@ -896,14 +799,11 @@ public Builder setPageSize(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Maximum number of schemas to return.
      * 
        
      *
      * int32 page_size = 3;
-     *
      * @return This builder for chaining.
      */
     public Builder clearPageSize() {
@@ -915,8 +815,6 @@ public Builder clearPageSize() {
 
     private java.lang.Object pageToken_ = "";
     /**
-     *
-     *
      * 
              * The value returned by the last `ListSchemasResponse`; indicates that
      * this is a continuation of a prior `ListSchemas` call, and that the
@@ -924,13 +822,13 @@ public Builder clearPageSize() {
      * 
        
      *
      * string page_token = 4;
-     *
      * @return The pageToken.
      */
     public java.lang.String getPageToken() {
       java.lang.Object ref = pageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         pageToken_ = s;
         return s;
@@ -939,8 +837,6 @@ public java.lang.String getPageToken() {
       }
     }
     /**
-     *
-     *
      * 
              * The value returned by the last `ListSchemasResponse`; indicates that
      * this is a continuation of a prior `ListSchemas` call, and that the
@@ -948,14 +844,15 @@ public java.lang.String getPageToken() {
      * 
        
      *
      * string page_token = 4;
-     *
      * @return The bytes for pageToken.
      */
-    public com.google.protobuf.ByteString getPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getPageTokenBytes() {
       java.lang.Object ref = pageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         pageToken_ = b;
         return b;
       } else {
@@ -963,8 +860,6 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * The value returned by the last `ListSchemasResponse`; indicates that
      * this is a continuation of a prior `ListSchemas` call, and that the
@@ -972,22 +867,18 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
      * 
        
      *
      * string page_token = 4;
-     *
      * @param value The pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       pageToken_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * The value returned by the last `ListSchemasResponse`; indicates that
      * this is a continuation of a prior `ListSchemas` call, and that the
@@ -995,7 +886,6 @@ public Builder setPageToken(java.lang.String value) {
      * 
        
      *
      * string page_token = 4;
-     *
      * @return This builder for chaining.
      */
     public Builder clearPageToken() {
@@ -1005,8 +895,6 @@ public Builder clearPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
              * The value returned by the last `ListSchemasResponse`; indicates that
      * this is a continuation of a prior `ListSchemas` call, and that the
@@ -1014,23 +902,21 @@ public Builder clearPageToken() {
      * 
        
      *
      * string page_token = 4;
-     *
      * @param value The bytes for pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       pageToken_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1040,12 +926,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListSchemasRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListSchemasRequest)
   private static final com.google.pubsub.v1.ListSchemasRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListSchemasRequest();
   }
@@ -1054,27 +940,27 @@ public static com.google.pubsub.v1.ListSchemasRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListSchemasRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListSchemasRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1089,4 +975,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ListSchemasRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequestOrBuilder.java
similarity index 65%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequestOrBuilder.java
index d8728e999..49bdd3109 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasRequestOrBuilder.java
@@ -1,62 +1,35 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface ListSchemasRequestOrBuilder
-    extends
+public interface ListSchemasRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSchemasRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The parent.
    */
   java.lang.String getParent();
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for parent.
    */
-  com.google.protobuf.ByteString getParentBytes();
+  com.google.protobuf.ByteString
+      getParentBytes();
 
   /**
-   *
-   *
    * 
            * The set of Schema fields to return in the response. If not set, returns
    * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -64,13 +37,10 @@ public interface ListSchemasRequestOrBuilder
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The enum numeric value on the wire for view.
    */
   int getViewValue();
   /**
-   *
-   *
    * 
            * The set of Schema fields to return in the response. If not set, returns
    * Schemas with `name` and `type`, but not `definition`. Set to `FULL` to
@@ -78,27 +48,21 @@ public interface ListSchemasRequestOrBuilder
    * 
        
    *
    * .google.pubsub.v1.SchemaView view = 2;
-   *
    * @return The view.
    */
   com.google.pubsub.v1.SchemaView getView();
 
   /**
-   *
-   *
    * 
            * Maximum number of schemas to return.
    * 
        
    *
    * int32 page_size = 3;
-   *
    * @return The pageSize.
    */
   int getPageSize();
 
   /**
-   *
-   *
    * 
            * The value returned by the last `ListSchemasResponse`; indicates that
    * this is a continuation of a prior `ListSchemas` call, and that the
@@ -106,13 +70,10 @@ public interface ListSchemasRequestOrBuilder
    * 
        
    *
    * string page_token = 4;
-   *
    * @return The pageToken.
    */
   java.lang.String getPageToken();
   /**
-   *
-   *
    * 
            * The value returned by the last `ListSchemasResponse`; indicates that
    * this is a continuation of a prior `ListSchemas` call, and that the
@@ -120,8 +81,8 @@ public interface ListSchemasRequestOrBuilder
    * 
        
    *
    * string page_token = 4;
-   *
    * @return The bytes for pageToken.
    */
-  com.google.protobuf.ByteString getPageTokenBytes();
+  com.google.protobuf.ByteString
+      getPageTokenBytes();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponse.java
similarity index 71%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponse.java
index 44683e3f5..499535361 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponse.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ListSchemas` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListSchemasResponse}
  */
-public final class ListSchemasResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListSchemasResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListSchemasResponse)
     ListSchemasResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListSchemasResponse.newBuilder() to construct.
   private ListSchemasResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListSchemasResponse() {
     schemas_ = java.util.Collections.emptyList();
     nextPageToken_ = "";
@@ -44,32 +26,28 @@ private ListSchemasResponse() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListSchemasResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ListSchemasResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ListSchemasResponse_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListSchemasResponse.class,
-            com.google.pubsub.v1.ListSchemasResponse.Builder.class);
+            com.google.pubsub.v1.ListSchemasResponse.class, com.google.pubsub.v1.ListSchemasResponse.Builder.class);
   }
 
   public static final int SCHEMAS_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private java.util.List schemas_;
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
@@ -81,8 +59,6 @@ public java.util.List getSchemasList() {
     return schemas_;
   }
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
@@ -90,12 +66,11 @@ public java.util.List getSchemasList() {
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
   @java.lang.Override
-  public java.util.List getSchemasOrBuilderList() {
+  public java.util.List 
+      getSchemasOrBuilderList() {
     return schemas_;
   }
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
@@ -107,8 +82,6 @@ public int getSchemasCount() {
     return schemas_.size();
   }
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
@@ -120,8 +93,6 @@ public com.google.pubsub.v1.Schema getSchemas(int index) {
     return schemas_.get(index);
   }
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
@@ -129,24 +100,21 @@ public com.google.pubsub.v1.Schema getSchemas(int index) {
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
   @java.lang.Override
-  public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index) {
+  public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(
+      int index) {
     return schemas_.get(index);
   }
 
   public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object nextPageToken_ = "";
   /**
-   *
-   *
    * 
            * If not empty, indicates that there may be more schemas that match the
    * request; this value should be passed in a new `ListSchemasRequest`.
    * 
        
    *
    * string next_page_token = 2;
-   *
    * @return The nextPageToken.
    */
   @java.lang.Override
@@ -155,30 +123,30 @@ public java.lang.String getNextPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       nextPageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * If not empty, indicates that there may be more schemas that match the
    * request; this value should be passed in a new `ListSchemasRequest`.
    * 
        
    *
    * string next_page_token = 2;
-   *
    * @return The bytes for nextPageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getNextPageTokenBytes() {
     java.lang.Object ref = nextPageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       nextPageToken_ = b;
       return b;
     } else {
@@ -187,7 +155,6 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -199,7 +166,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < schemas_.size(); i++) {
       output.writeMessage(1, schemas_.get(i));
     }
@@ -216,7 +184,8 @@ public int getSerializedSize() {
 
     size = 0;
     for (int i = 0; i < schemas_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, schemas_.get(i));
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, schemas_.get(i));
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
@@ -229,15 +198,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListSchemasResponse)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.ListSchemasResponse other = (com.google.pubsub.v1.ListSchemasResponse) obj;
 
-    if (!getSchemasList().equals(other.getSchemasList())) return false;
-    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getSchemasList()
+        .equals(other.getSchemasList())) return false;
+    if (!getNextPageToken()
+        .equals(other.getNextPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -260,136 +231,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListSchemasResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListSchemasResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListSchemasResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSchemasResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListSchemasResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSchemasResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListSchemasResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ListSchemas` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListSchemasResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListSchemasResponse)
       com.google.pubsub.v1.ListSchemasResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemasResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemasResponse_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListSchemasResponse.class,
-              com.google.pubsub.v1.ListSchemasResponse.Builder.class);
+              com.google.pubsub.v1.ListSchemasResponse.class, com.google.pubsub.v1.ListSchemasResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListSchemasResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -406,9 +373,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ListSchemasResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ListSchemasResponse_descriptor;
     }
 
     @java.lang.Override
@@ -427,12 +394,9 @@ public com.google.pubsub.v1.ListSchemasResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListSchemasResponse buildPartial() {
-      com.google.pubsub.v1.ListSchemasResponse result =
-          new com.google.pubsub.v1.ListSchemasResponse(this);
+      com.google.pubsub.v1.ListSchemasResponse result = new com.google.pubsub.v1.ListSchemasResponse(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -460,39 +424,38 @@ private void buildPartial0(com.google.pubsub.v1.ListSchemasResponse result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListSchemasResponse) {
-        return mergeFrom((com.google.pubsub.v1.ListSchemasResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ListSchemasResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -519,10 +482,9 @@ public Builder mergeFrom(com.google.pubsub.v1.ListSchemasResponse other) {
             schemasBuilder_ = null;
             schemas_ = other.schemas_;
             bitField0_ = (bitField0_ & ~0x00000001);
-            schemasBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getSchemasFieldBuilder()
-                    : null;
+            schemasBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getSchemasFieldBuilder() : null;
           } else {
             schemasBuilder_.addAllMessages(other.schemas_);
           }
@@ -559,31 +521,30 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                com.google.pubsub.v1.Schema m =
-                    input.readMessage(com.google.pubsub.v1.Schema.parser(), extensionRegistry);
-                if (schemasBuilder_ == null) {
-                  ensureSchemasIsMutable();
-                  schemas_.add(m);
-                } else {
-                  schemasBuilder_.addMessage(m);
-                }
-                break;
-              } // case 10
-            case 18:
-              {
-                nextPageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              com.google.pubsub.v1.Schema m =
+                  input.readMessage(
+                      com.google.pubsub.v1.Schema.parser(),
+                      extensionRegistry);
+              if (schemasBuilder_ == null) {
+                ensureSchemasIsMutable();
+                schemas_.add(m);
+              } else {
+                schemasBuilder_.addMessage(m);
+              }
+              break;
+            } // case 10
+            case 18: {
+              nextPageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -593,28 +554,21 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.util.List schemas_ =
-        java.util.Collections.emptyList();
-
+      java.util.Collections.emptyList();
     private void ensureSchemasIsMutable() {
       if (!((bitField0_ & 0x00000001) != 0)) {
         schemas_ = new java.util.ArrayList(schemas_);
         bitField0_ |= 0x00000001;
-      }
+       }
     }
 
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
-        schemasBuilder_;
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> schemasBuilder_;
 
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
@@ -629,8 +583,6 @@ public java.util.List getSchemasList() {
       }
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
@@ -645,8 +597,6 @@ public int getSchemasCount() {
       }
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
@@ -661,15 +611,14 @@ public com.google.pubsub.v1.Schema getSchemas(int index) {
       }
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder setSchemas(int index, com.google.pubsub.v1.Schema value) {
+    public Builder setSchemas(
+        int index, com.google.pubsub.v1.Schema value) {
       if (schemasBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -683,15 +632,14 @@ public Builder setSchemas(int index, com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder setSchemas(int index, com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder setSchemas(
+        int index, com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemasBuilder_ == null) {
         ensureSchemasIsMutable();
         schemas_.set(index, builderForValue.build());
@@ -702,8 +650,6 @@ public Builder setSchemas(int index, com.google.pubsub.v1.Schema.Builder builder
       return this;
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
@@ -724,15 +670,14 @@ public Builder addSchemas(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder addSchemas(int index, com.google.pubsub.v1.Schema value) {
+    public Builder addSchemas(
+        int index, com.google.pubsub.v1.Schema value) {
       if (schemasBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -746,15 +691,14 @@ public Builder addSchemas(int index, com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder addSchemas(com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder addSchemas(
+        com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemasBuilder_ == null) {
         ensureSchemasIsMutable();
         schemas_.add(builderForValue.build());
@@ -765,15 +709,14 @@ public Builder addSchemas(com.google.pubsub.v1.Schema.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder addSchemas(int index, com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder addSchemas(
+        int index, com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemasBuilder_ == null) {
         ensureSchemasIsMutable();
         schemas_.add(index, builderForValue.build());
@@ -784,18 +727,18 @@ public Builder addSchemas(int index, com.google.pubsub.v1.Schema.Builder builder
       return this;
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public Builder addAllSchemas(java.lang.Iterable values) {
+    public Builder addAllSchemas(
+        java.lang.Iterable values) {
       if (schemasBuilder_ == null) {
         ensureSchemasIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, schemas_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, schemas_);
         onChanged();
       } else {
         schemasBuilder_.addAllMessages(values);
@@ -803,8 +746,6 @@ public Builder addAllSchemas(java.lang.Iterable
      * The resulting schemas.
      * 
        
@@ -822,8 +763,6 @@ public Builder clearSchemas() {
       return this;
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
@@ -841,44 +780,39 @@ public Builder removeSchemas(int index) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public com.google.pubsub.v1.Schema.Builder getSchemasBuilder(int index) {
+    public com.google.pubsub.v1.Schema.Builder getSchemasBuilder(
+        int index) {
       return getSchemasFieldBuilder().getBuilder(index);
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index) {
+    public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(
+        int index) {
       if (schemasBuilder_ == null) {
-        return schemas_.get(index);
-      } else {
+        return schemas_.get(index);  } else {
         return schemasBuilder_.getMessageOrBuilder(index);
       }
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public java.util.List
-        getSchemasOrBuilderList() {
+    public java.util.List 
+         getSchemasOrBuilderList() {
       if (schemasBuilder_ != null) {
         return schemasBuilder_.getMessageOrBuilderList();
       } else {
@@ -886,8 +820,6 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index) {
       }
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
@@ -895,46 +827,42 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index) {
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
     public com.google.pubsub.v1.Schema.Builder addSchemasBuilder() {
-      return getSchemasFieldBuilder().addBuilder(com.google.pubsub.v1.Schema.getDefaultInstance());
+      return getSchemasFieldBuilder().addBuilder(
+          com.google.pubsub.v1.Schema.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public com.google.pubsub.v1.Schema.Builder addSchemasBuilder(int index) {
-      return getSchemasFieldBuilder()
-          .addBuilder(index, com.google.pubsub.v1.Schema.getDefaultInstance());
+    public com.google.pubsub.v1.Schema.Builder addSchemasBuilder(
+        int index) {
+      return getSchemasFieldBuilder().addBuilder(
+          index, com.google.pubsub.v1.Schema.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
              * The resulting schemas.
      * 
        
      *
      * repeated .google.pubsub.v1.Schema schemas = 1;
      */
-    public java.util.List getSchemasBuilderList() {
+    public java.util.List 
+         getSchemasBuilderList() {
       return getSchemasFieldBuilder().getBuilderList();
     }
-
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> 
         getSchemasFieldBuilder() {
       if (schemasBuilder_ == null) {
-        schemasBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.pubsub.v1.Schema,
-                com.google.pubsub.v1.Schema.Builder,
-                com.google.pubsub.v1.SchemaOrBuilder>(
-                schemas_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        schemasBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder>(
+                schemas_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
         schemas_ = null;
       }
       return schemasBuilder_;
@@ -942,21 +870,19 @@ public java.util.List getSchemasBuilderList
 
     private java.lang.Object nextPageToken_ = "";
     /**
-     *
-     *
      * 
              * If not empty, indicates that there may be more schemas that match the
      * request; this value should be passed in a new `ListSchemasRequest`.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @return The nextPageToken.
      */
     public java.lang.String getNextPageToken() {
       java.lang.Object ref = nextPageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         nextPageToken_ = s;
         return s;
@@ -965,22 +891,21 @@ public java.lang.String getNextPageToken() {
       }
     }
     /**
-     *
-     *
      * 
              * If not empty, indicates that there may be more schemas that match the
      * request; this value should be passed in a new `ListSchemasRequest`.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @return The bytes for nextPageToken.
      */
-    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getNextPageTokenBytes() {
       java.lang.Object ref = nextPageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         nextPageToken_ = b;
         return b;
       } else {
@@ -988,37 +913,30 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * If not empty, indicates that there may be more schemas that match the
      * request; this value should be passed in a new `ListSchemasRequest`.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @param value The nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * If not empty, indicates that there may be more schemas that match the
      * request; this value should be passed in a new `ListSchemasRequest`.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @return This builder for chaining.
      */
     public Builder clearNextPageToken() {
@@ -1028,31 +946,27 @@ public Builder clearNextPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
              * If not empty, indicates that there may be more schemas that match the
      * request; this value should be passed in a new `ListSchemasRequest`.
      * 
        
      *
      * string next_page_token = 2;
-     *
      * @param value The bytes for nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1062,12 +976,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListSchemasResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListSchemasResponse)
   private static final com.google.pubsub.v1.ListSchemasResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListSchemasResponse();
   }
@@ -1076,27 +990,27 @@ public static com.google.pubsub.v1.ListSchemasResponse getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListSchemasResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListSchemasResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1111,4 +1025,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ListSchemasResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponseOrBuilder.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponseOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponseOrBuilder.java
index bbdfbc82d..aaa6844d5 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponseOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSchemasResponseOrBuilder.java
@@ -1,41 +1,22 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface ListSchemasResponseOrBuilder
-    extends
+public interface ListSchemasResponseOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSchemasResponse)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
    *
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
-  java.util.List getSchemasList();
+  java.util.List 
+      getSchemasList();
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
@@ -44,8 +25,6 @@ public interface ListSchemasResponseOrBuilder
    */
   com.google.pubsub.v1.Schema getSchemas(int index);
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
@@ -54,50 +33,43 @@ public interface ListSchemasResponseOrBuilder
    */
   int getSchemasCount();
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
    *
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
-  java.util.List getSchemasOrBuilderList();
+  java.util.List 
+      getSchemasOrBuilderList();
   /**
-   *
-   *
    * 
            * The resulting schemas.
    * 
        
    *
    * repeated .google.pubsub.v1.Schema schemas = 1;
    */
-  com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(int index);
+  com.google.pubsub.v1.SchemaOrBuilder getSchemasOrBuilder(
+      int index);
 
   /**
-   *
-   *
    * 
            * If not empty, indicates that there may be more schemas that match the
    * request; this value should be passed in a new `ListSchemasRequest`.
    * 
        
    *
    * string next_page_token = 2;
-   *
    * @return The nextPageToken.
    */
   java.lang.String getNextPageToken();
   /**
-   *
-   *
    * 
            * If not empty, indicates that there may be more schemas that match the
    * request; this value should be passed in a new `ListSchemasRequest`.
    * 
        
    *
    * string next_page_token = 2;
-   *
    * @return The bytes for nextPageToken.
    */
-  com.google.protobuf.ByteString getNextPageTokenBytes();
+  com.google.protobuf.ByteString
+      getNextPageTokenBytes();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequest.java
similarity index 60%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequest.java
index d274c3dbb..c81c37678 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ListSnapshots` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListSnapshotsRequest}
  */
-public final class ListSnapshotsRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListSnapshotsRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListSnapshotsRequest)
     ListSnapshotsRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListSnapshotsRequest.newBuilder() to construct.
   private ListSnapshotsRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListSnapshotsRequest() {
     project_ = "";
     pageToken_ = "";
@@ -44,41 +26,34 @@ private ListSnapshotsRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListSnapshotsRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListSnapshotsRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListSnapshotsRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListSnapshotsRequest.class,
-            com.google.pubsub.v1.ListSnapshotsRequest.Builder.class);
+            com.google.pubsub.v1.ListSnapshotsRequest.class, com.google.pubsub.v1.ListSnapshotsRequest.Builder.class);
   }
 
   public static final int PROJECT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object project_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list snapshots.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The project.
    */
   @java.lang.Override
@@ -87,32 +62,30 @@ public java.lang.String getProject() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       project_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list snapshots.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for project.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getProjectBytes() {
+  public com.google.protobuf.ByteString
+      getProjectBytes() {
     java.lang.Object ref = project_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       project_ = b;
       return b;
     } else {
@@ -123,14 +96,11 @@ public com.google.protobuf.ByteString getProjectBytes() {
   public static final int PAGE_SIZE_FIELD_NUMBER = 2;
   private int pageSize_ = 0;
   /**
-   *
-   *
    * 
        -   * Maximum number of snapshots to return.
+   * Optional. Maximum number of snapshots to return.
    * 
        
    *
-   * int32 page_size = 2;
-   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageSize.
    */
   @java.lang.Override
@@ -139,20 +109,16 @@ public int getPageSize() {
   }
 
   public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object pageToken_ = "";
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListSnapshotsResponse`; indicates that this
-   * is a continuation of a prior `ListSnapshots` call, and that the system
-   * should return the next page of data.
+   * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+   * that this is a continuation of a prior `ListSnapshots` call, and that the
+   * system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageToken.
    */
   @java.lang.Override
@@ -161,31 +127,31 @@ public java.lang.String getPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       pageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListSnapshotsResponse`; indicates that this
-   * is a continuation of a prior `ListSnapshots` call, and that the system
-   * should return the next page of data.
+   * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+   * that this is a continuation of a prior `ListSnapshots` call, and that the
+   * system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for pageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getPageTokenBytes() {
     java.lang.Object ref = pageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       pageToken_ = b;
       return b;
     } else {
@@ -194,7 +160,6 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -206,7 +171,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(project_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, project_);
     }
@@ -229,7 +195,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, project_);
     }
     if (pageSize_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, pageSize_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(2, pageSize_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, pageToken_);
@@ -242,17 +209,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListSnapshotsRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListSnapshotsRequest other =
-        (com.google.pubsub.v1.ListSnapshotsRequest) obj;
+    com.google.pubsub.v1.ListSnapshotsRequest other = (com.google.pubsub.v1.ListSnapshotsRequest) obj;
 
-    if (!getProject().equals(other.getProject())) return false;
-    if (getPageSize() != other.getPageSize()) return false;
-    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getProject()
+        .equals(other.getProject())) return false;
+    if (getPageSize()
+        != other.getPageSize()) return false;
+    if (!getPageToken()
+        .equals(other.getPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -275,136 +244,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListSnapshotsRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSnapshotsRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListSnapshotsRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListSnapshotsRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ListSnapshots` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListSnapshotsRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListSnapshotsRequest)
       com.google.pubsub.v1.ListSnapshotsRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSnapshotsRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSnapshotsRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListSnapshotsRequest.class,
-              com.google.pubsub.v1.ListSnapshotsRequest.Builder.class);
+              com.google.pubsub.v1.ListSnapshotsRequest.class, com.google.pubsub.v1.ListSnapshotsRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListSnapshotsRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -416,9 +381,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSnapshotsRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsRequest_descriptor;
     }
 
     @java.lang.Override
@@ -437,11 +402,8 @@ public com.google.pubsub.v1.ListSnapshotsRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListSnapshotsRequest buildPartial() {
-      com.google.pubsub.v1.ListSnapshotsRequest result =
-          new com.google.pubsub.v1.ListSnapshotsRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListSnapshotsRequest result = new com.google.pubsub.v1.ListSnapshotsRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -463,39 +425,38 @@ private void buildPartial0(com.google.pubsub.v1.ListSnapshotsRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListSnapshotsRequest) {
-        return mergeFrom((com.google.pubsub.v1.ListSnapshotsRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ListSnapshotsRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -543,31 +504,27 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                project_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                pageSize_ = input.readInt32();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 26:
-              {
-                pageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              project_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              pageSize_ = input.readInt32();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 26: {
+              pageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -577,28 +534,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object project_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list snapshots.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The project.
      */
     public java.lang.String getProject() {
       java.lang.Object ref = project_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         project_ = s;
         return s;
@@ -607,24 +559,21 @@ public java.lang.String getProject() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list snapshots.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for project.
      */
-    public com.google.protobuf.ByteString getProjectBytes() {
+    public com.google.protobuf.ByteString
+        getProjectBytes() {
       java.lang.Object ref = project_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         project_ = b;
         return b;
       } else {
@@ -632,41 +581,30 @@ public com.google.protobuf.ByteString getProjectBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list snapshots.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The project to set.
      * @return This builder for chaining.
      */
-    public Builder setProject(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setProject(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       project_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list snapshots.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearProject() {
@@ -676,24 +614,18 @@ public Builder clearProject() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list snapshots.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for project to set.
      * @return This builder for chaining.
      */
-    public Builder setProjectBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setProjectBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       project_ = value;
       bitField0_ |= 0x00000001;
@@ -701,16 +633,13 @@ public Builder setProjectBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private int pageSize_;
+    private int pageSize_ ;
     /**
-     *
-     *
      * 
        -     * Maximum number of snapshots to return.
+     * Optional. Maximum number of snapshots to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageSize.
      */
     @java.lang.Override
@@ -718,14 +647,11 @@ public int getPageSize() {
       return pageSize_;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of snapshots to return.
+     * Optional. Maximum number of snapshots to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageSize to set.
      * @return This builder for chaining.
      */
@@ -737,14 +663,11 @@ public Builder setPageSize(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of snapshots to return.
+     * Optional. Maximum number of snapshots to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageSize() {
@@ -756,22 +679,20 @@ public Builder clearPageSize() {
 
     private java.lang.Object pageToken_ = "";
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSnapshotsResponse`; indicates that this
-     * is a continuation of a prior `ListSnapshots` call, and that the system
-     * should return the next page of data.
+     * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+     * that this is a continuation of a prior `ListSnapshots` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageToken.
      */
     public java.lang.String getPageToken() {
       java.lang.Object ref = pageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         pageToken_ = s;
         return s;
@@ -780,23 +701,22 @@ public java.lang.String getPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSnapshotsResponse`; indicates that this
-     * is a continuation of a prior `ListSnapshots` call, and that the system
-     * should return the next page of data.
+     * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+     * that this is a continuation of a prior `ListSnapshots` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for pageToken.
      */
-    public com.google.protobuf.ByteString getPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getPageTokenBytes() {
       java.lang.Object ref = pageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         pageToken_ = b;
         return b;
       } else {
@@ -804,39 +724,32 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSnapshotsResponse`; indicates that this
-     * is a continuation of a prior `ListSnapshots` call, and that the system
-     * should return the next page of data.
+     * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+     * that this is a continuation of a prior `ListSnapshots` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSnapshotsResponse`; indicates that this
-     * is a continuation of a prior `ListSnapshots` call, and that the system
-     * should return the next page of data.
+     * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+     * that this is a continuation of a prior `ListSnapshots` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageToken() {
@@ -846,32 +759,28 @@ public Builder clearPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSnapshotsResponse`; indicates that this
-     * is a continuation of a prior `ListSnapshots` call, and that the system
-     * should return the next page of data.
+     * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+     * that this is a continuation of a prior `ListSnapshots` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -881,12 +790,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListSnapshotsRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListSnapshotsRequest)
   private static final com.google.pubsub.v1.ListSnapshotsRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListSnapshotsRequest();
   }
@@ -895,27 +804,27 @@ public static com.google.pubsub.v1.ListSnapshotsRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListSnapshotsRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListSnapshotsRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -930,4 +839,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ListSnapshotsRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequestOrBuilder.java
new file mode 100644
index 000000000..4d77d7d7d
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequestOrBuilder.java
@@ -0,0 +1,65 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListSnapshotsRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSnapshotsRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the project in which to list snapshots.
+   * Format is `projects/{project-id}`.
+   * 
        
+   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The project.
+   */
+  java.lang.String getProject();
+  /**
+   * 
        +   * Required. The name of the project in which to list snapshots.
+   * Format is `projects/{project-id}`.
+   * 
        
+   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for project.
+   */
+  com.google.protobuf.ByteString
+      getProjectBytes();
+
+  /**
+   * 
        +   * Optional. Maximum number of snapshots to return.
+   * 
        
+   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   * 
        +   * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+   * that this is a continuation of a prior `ListSnapshots` call, and that the
+   * system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+  /**
+   * 
        +   * Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+   * that this is a continuation of a prior `ListSnapshots` call, and that the
+   * system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString
+      getPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponse.java
similarity index 59%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponse.java
index bc557bcbf..7fade03c8 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponse.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ListSnapshots` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListSnapshotsResponse}
  */
-public final class ListSnapshotsResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListSnapshotsResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListSnapshotsResponse)
     ListSnapshotsResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListSnapshotsResponse.newBuilder() to construct.
   private ListSnapshotsResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListSnapshotsResponse() {
     snapshots_ = java.util.Collections.emptyList();
     nextPageToken_ = "";
@@ -44,110 +26,96 @@ private ListSnapshotsResponse() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListSnapshotsResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListSnapshotsResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListSnapshotsResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListSnapshotsResponse.class,
-            com.google.pubsub.v1.ListSnapshotsResponse.Builder.class);
+            com.google.pubsub.v1.ListSnapshotsResponse.class, com.google.pubsub.v1.ListSnapshotsResponse.Builder.class);
   }
 
   public static final int SNAPSHOTS_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private java.util.List snapshots_;
   /**
-   *
-   *
    * 
        -   * The resulting snapshots.
+   * Optional. The resulting snapshots.
    * 
        
    *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.List getSnapshotsList() {
     return snapshots_;
   }
   /**
-   *
-   *
    * 
        -   * The resulting snapshots.
+   * Optional. The resulting snapshots.
    * 
        
    *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.util.List
+  public java.util.List 
       getSnapshotsOrBuilderList() {
     return snapshots_;
   }
   /**
-   *
-   *
    * 
        -   * The resulting snapshots.
+   * Optional. The resulting snapshots.
    * 
        
    *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public int getSnapshotsCount() {
     return snapshots_.size();
   }
   /**
-   *
-   *
    * 
        -   * The resulting snapshots.
+   * Optional. The resulting snapshots.
    * 
        
    *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.Snapshot getSnapshots(int index) {
     return snapshots_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * The resulting snapshots.
+   * Optional. The resulting snapshots.
    * 
        
    *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.SnapshotOrBuilder getSnapshotsOrBuilder(int index) {
+  public com.google.pubsub.v1.SnapshotOrBuilder getSnapshotsOrBuilder(
+      int index) {
     return snapshots_.get(index);
   }
 
   public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object nextPageToken_ = "";
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more snapshot that match the
-   * request; this value should be passed in a new `ListSnapshotsRequest`.
+   * Optional. If not empty, indicates that there may be more snapshot that
+   * match the request; this value should be passed in a new
+   * `ListSnapshotsRequest`.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The nextPageToken.
    */
   @java.lang.Override
@@ -156,30 +124,31 @@ public java.lang.String getNextPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       nextPageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more snapshot that match the
-   * request; this value should be passed in a new `ListSnapshotsRequest`.
+   * Optional. If not empty, indicates that there may be more snapshot that
+   * match the request; this value should be passed in a new
+   * `ListSnapshotsRequest`.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for nextPageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getNextPageTokenBytes() {
     java.lang.Object ref = nextPageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       nextPageToken_ = b;
       return b;
     } else {
@@ -188,7 +157,6 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -200,7 +168,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < snapshots_.size(); i++) {
       output.writeMessage(1, snapshots_.get(i));
     }
@@ -217,7 +186,8 @@ public int getSerializedSize() {
 
     size = 0;
     for (int i = 0; i < snapshots_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, snapshots_.get(i));
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, snapshots_.get(i));
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
@@ -230,16 +200,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListSnapshotsResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListSnapshotsResponse other =
-        (com.google.pubsub.v1.ListSnapshotsResponse) obj;
+    com.google.pubsub.v1.ListSnapshotsResponse other = (com.google.pubsub.v1.ListSnapshotsResponse) obj;
 
-    if (!getSnapshotsList().equals(other.getSnapshotsList())) return false;
-    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getSnapshotsList()
+        .equals(other.getSnapshotsList())) return false;
+    if (!getNextPageToken()
+        .equals(other.getNextPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -262,136 +233,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListSnapshotsResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSnapshotsResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListSnapshotsResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSnapshotsResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListSnapshotsResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ListSnapshots` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListSnapshotsResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListSnapshotsResponse)
       com.google.pubsub.v1.ListSnapshotsResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSnapshotsResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSnapshotsResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListSnapshotsResponse.class,
-              com.google.pubsub.v1.ListSnapshotsResponse.Builder.class);
+              com.google.pubsub.v1.ListSnapshotsResponse.class, com.google.pubsub.v1.ListSnapshotsResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListSnapshotsResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -408,9 +375,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSnapshotsResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSnapshotsResponse_descriptor;
     }
 
     @java.lang.Override
@@ -429,12 +396,9 @@ public com.google.pubsub.v1.ListSnapshotsResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListSnapshotsResponse buildPartial() {
-      com.google.pubsub.v1.ListSnapshotsResponse result =
-          new com.google.pubsub.v1.ListSnapshotsResponse(this);
+      com.google.pubsub.v1.ListSnapshotsResponse result = new com.google.pubsub.v1.ListSnapshotsResponse(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -462,39 +426,38 @@ private void buildPartial0(com.google.pubsub.v1.ListSnapshotsResponse result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListSnapshotsResponse) {
-        return mergeFrom((com.google.pubsub.v1.ListSnapshotsResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ListSnapshotsResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -521,10 +484,9 @@ public Builder mergeFrom(com.google.pubsub.v1.ListSnapshotsResponse other) {
             snapshotsBuilder_ = null;
             snapshots_ = other.snapshots_;
             bitField0_ = (bitField0_ & ~0x00000001);
-            snapshotsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getSnapshotsFieldBuilder()
-                    : null;
+            snapshotsBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getSnapshotsFieldBuilder() : null;
           } else {
             snapshotsBuilder_.addAllMessages(other.snapshots_);
           }
@@ -561,31 +523,30 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                com.google.pubsub.v1.Snapshot m =
-                    input.readMessage(com.google.pubsub.v1.Snapshot.parser(), extensionRegistry);
-                if (snapshotsBuilder_ == null) {
-                  ensureSnapshotsIsMutable();
-                  snapshots_.add(m);
-                } else {
-                  snapshotsBuilder_.addMessage(m);
-                }
-                break;
-              } // case 10
-            case 18:
-              {
-                nextPageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              com.google.pubsub.v1.Snapshot m =
+                  input.readMessage(
+                      com.google.pubsub.v1.Snapshot.parser(),
+                      extensionRegistry);
+              if (snapshotsBuilder_ == null) {
+                ensureSnapshotsIsMutable();
+                snapshots_.add(m);
+              } else {
+                snapshotsBuilder_.addMessage(m);
+              }
+              break;
+            } // case 10
+            case 18: {
+              nextPageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -595,33 +556,26 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.util.List snapshots_ =
-        java.util.Collections.emptyList();
-
+      java.util.Collections.emptyList();
     private void ensureSnapshotsIsMutable() {
       if (!((bitField0_ & 0x00000001) != 0)) {
         snapshots_ = new java.util.ArrayList(snapshots_);
         bitField0_ |= 0x00000001;
-      }
+       }
     }
 
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Snapshot,
-            com.google.pubsub.v1.Snapshot.Builder,
-            com.google.pubsub.v1.SnapshotOrBuilder>
-        snapshotsBuilder_;
+        com.google.pubsub.v1.Snapshot, com.google.pubsub.v1.Snapshot.Builder, com.google.pubsub.v1.SnapshotOrBuilder> snapshotsBuilder_;
 
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public java.util.List getSnapshotsList() {
       if (snapshotsBuilder_ == null) {
@@ -631,13 +585,11 @@ public java.util.List getSnapshotsList() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public int getSnapshotsCount() {
       if (snapshotsBuilder_ == null) {
@@ -647,13 +599,11 @@ public int getSnapshotsCount() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.Snapshot getSnapshots(int index) {
       if (snapshotsBuilder_ == null) {
@@ -663,15 +613,14 @@ public com.google.pubsub.v1.Snapshot getSnapshots(int index) {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setSnapshots(int index, com.google.pubsub.v1.Snapshot value) {
+    public Builder setSnapshots(
+        int index, com.google.pubsub.v1.Snapshot value) {
       if (snapshotsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -685,15 +634,14 @@ public Builder setSnapshots(int index, com.google.pubsub.v1.Snapshot value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setSnapshots(int index, com.google.pubsub.v1.Snapshot.Builder builderForValue) {
+    public Builder setSnapshots(
+        int index, com.google.pubsub.v1.Snapshot.Builder builderForValue) {
       if (snapshotsBuilder_ == null) {
         ensureSnapshotsIsMutable();
         snapshots_.set(index, builderForValue.build());
@@ -704,13 +652,11 @@ public Builder setSnapshots(int index, com.google.pubsub.v1.Snapshot.Builder bui
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addSnapshots(com.google.pubsub.v1.Snapshot value) {
       if (snapshotsBuilder_ == null) {
@@ -726,15 +672,14 @@ public Builder addSnapshots(com.google.pubsub.v1.Snapshot value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addSnapshots(int index, com.google.pubsub.v1.Snapshot value) {
+    public Builder addSnapshots(
+        int index, com.google.pubsub.v1.Snapshot value) {
       if (snapshotsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -748,15 +693,14 @@ public Builder addSnapshots(int index, com.google.pubsub.v1.Snapshot value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addSnapshots(com.google.pubsub.v1.Snapshot.Builder builderForValue) {
+    public Builder addSnapshots(
+        com.google.pubsub.v1.Snapshot.Builder builderForValue) {
       if (snapshotsBuilder_ == null) {
         ensureSnapshotsIsMutable();
         snapshots_.add(builderForValue.build());
@@ -767,15 +711,14 @@ public Builder addSnapshots(com.google.pubsub.v1.Snapshot.Builder builderForValu
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addSnapshots(int index, com.google.pubsub.v1.Snapshot.Builder builderForValue) {
+    public Builder addSnapshots(
+        int index, com.google.pubsub.v1.Snapshot.Builder builderForValue) {
       if (snapshotsBuilder_ == null) {
         ensureSnapshotsIsMutable();
         snapshots_.add(index, builderForValue.build());
@@ -786,19 +729,18 @@ public Builder addSnapshots(int index, com.google.pubsub.v1.Snapshot.Builder bui
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addAllSnapshots(
         java.lang.Iterable values) {
       if (snapshotsBuilder_ == null) {
         ensureSnapshotsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, snapshots_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, snapshots_);
         onChanged();
       } else {
         snapshotsBuilder_.addAllMessages(values);
@@ -806,13 +748,11 @@ public Builder addAllSnapshots(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearSnapshots() {
       if (snapshotsBuilder_ == null) {
@@ -825,13 +765,11 @@ public Builder clearSnapshots() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder removeSnapshots(int index) {
       if (snapshotsBuilder_ == null) {
@@ -844,44 +782,39 @@ public Builder removeSnapshots(int index) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.Snapshot.Builder getSnapshotsBuilder(int index) {
+    public com.google.pubsub.v1.Snapshot.Builder getSnapshotsBuilder(
+        int index) {
       return getSnapshotsFieldBuilder().getBuilder(index);
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.SnapshotOrBuilder getSnapshotsOrBuilder(int index) {
+    public com.google.pubsub.v1.SnapshotOrBuilder getSnapshotsOrBuilder(
+        int index) {
       if (snapshotsBuilder_ == null) {
-        return snapshots_.get(index);
-      } else {
+        return snapshots_.get(index);  } else {
         return snapshotsBuilder_.getMessageOrBuilder(index);
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List
-        getSnapshotsOrBuilderList() {
+    public java.util.List 
+         getSnapshotsOrBuilderList() {
       if (snapshotsBuilder_ != null) {
         return snapshotsBuilder_.getMessageOrBuilderList();
       } else {
@@ -889,56 +822,49 @@ public com.google.pubsub.v1.SnapshotOrBuilder getSnapshotsOrBuilder(int index) {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.Snapshot.Builder addSnapshotsBuilder() {
-      return getSnapshotsFieldBuilder()
-          .addBuilder(com.google.pubsub.v1.Snapshot.getDefaultInstance());
+      return getSnapshotsFieldBuilder().addBuilder(
+          com.google.pubsub.v1.Snapshot.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.Snapshot.Builder addSnapshotsBuilder(int index) {
-      return getSnapshotsFieldBuilder()
-          .addBuilder(index, com.google.pubsub.v1.Snapshot.getDefaultInstance());
+    public com.google.pubsub.v1.Snapshot.Builder addSnapshotsBuilder(
+        int index) {
+      return getSnapshotsFieldBuilder().addBuilder(
+          index, com.google.pubsub.v1.Snapshot.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * The resulting snapshots.
+     * Optional. The resulting snapshots.
      * 
        
      *
-     * repeated .google.pubsub.v1.Snapshot snapshots = 1;
+     * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List getSnapshotsBuilderList() {
+    public java.util.List 
+         getSnapshotsBuilderList() {
       return getSnapshotsFieldBuilder().getBuilderList();
     }
-
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Snapshot,
-            com.google.pubsub.v1.Snapshot.Builder,
-            com.google.pubsub.v1.SnapshotOrBuilder>
+        com.google.pubsub.v1.Snapshot, com.google.pubsub.v1.Snapshot.Builder, com.google.pubsub.v1.SnapshotOrBuilder> 
         getSnapshotsFieldBuilder() {
       if (snapshotsBuilder_ == null) {
-        snapshotsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.pubsub.v1.Snapshot,
-                com.google.pubsub.v1.Snapshot.Builder,
-                com.google.pubsub.v1.SnapshotOrBuilder>(
-                snapshots_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        snapshotsBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.pubsub.v1.Snapshot, com.google.pubsub.v1.Snapshot.Builder, com.google.pubsub.v1.SnapshotOrBuilder>(
+                snapshots_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
         snapshots_ = null;
       }
       return snapshotsBuilder_;
@@ -946,21 +872,20 @@ public java.util.List getSnapshotsBuilder
 
     private java.lang.Object nextPageToken_ = "";
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshot that match the
-     * request; this value should be passed in a new `ListSnapshotsRequest`.
+     * Optional. If not empty, indicates that there may be more snapshot that
+     * match the request; this value should be passed in a new
+     * `ListSnapshotsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The nextPageToken.
      */
     public java.lang.String getNextPageToken() {
       java.lang.Object ref = nextPageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         nextPageToken_ = s;
         return s;
@@ -969,22 +894,22 @@ public java.lang.String getNextPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshot that match the
-     * request; this value should be passed in a new `ListSnapshotsRequest`.
+     * Optional. If not empty, indicates that there may be more snapshot that
+     * match the request; this value should be passed in a new
+     * `ListSnapshotsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for nextPageToken.
      */
-    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getNextPageTokenBytes() {
       java.lang.Object ref = nextPageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         nextPageToken_ = b;
         return b;
       } else {
@@ -992,37 +917,32 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshot that match the
-     * request; this value should be passed in a new `ListSnapshotsRequest`.
+     * Optional. If not empty, indicates that there may be more snapshot that
+     * match the request; this value should be passed in a new
+     * `ListSnapshotsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshot that match the
-     * request; this value should be passed in a new `ListSnapshotsRequest`.
+     * Optional. If not empty, indicates that there may be more snapshot that
+     * match the request; this value should be passed in a new
+     * `ListSnapshotsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearNextPageToken() {
@@ -1032,31 +952,28 @@ public Builder clearNextPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshot that match the
-     * request; this value should be passed in a new `ListSnapshotsRequest`.
+     * Optional. If not empty, indicates that there may be more snapshot that
+     * match the request; this value should be passed in a new
+     * `ListSnapshotsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1066,12 +983,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListSnapshotsResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListSnapshotsResponse)
   private static final com.google.pubsub.v1.ListSnapshotsResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListSnapshotsResponse();
   }
@@ -1080,27 +997,27 @@ public static com.google.pubsub.v1.ListSnapshotsResponse getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListSnapshotsResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListSnapshotsResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1115,4 +1032,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ListSnapshotsResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponseOrBuilder.java
new file mode 100644
index 000000000..e43d3f9f8
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponseOrBuilder.java
@@ -0,0 +1,77 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListSnapshotsResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSnapshotsResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The resulting snapshots.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.List 
+      getSnapshotsList();
+  /**
+   * 
        +   * Optional. The resulting snapshots.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.Snapshot getSnapshots(int index);
+  /**
+   * 
        +   * Optional. The resulting snapshots.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  int getSnapshotsCount();
+  /**
+   * 
        +   * Optional. The resulting snapshots.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.List 
+      getSnapshotsOrBuilderList();
+  /**
+   * 
        +   * Optional. The resulting snapshots.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Snapshot snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.SnapshotOrBuilder getSnapshotsOrBuilder(
+      int index);
+
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more snapshot that
+   * match the request; this value should be passed in a new
+   * `ListSnapshotsRequest`.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more snapshot that
+   * match the request; this value should be passed in a new
+   * `ListSnapshotsRequest`.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString
+      getNextPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequest.java
similarity index 60%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequest.java
index 988b9fb4e..a2fcaa492 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ListSubscriptions` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListSubscriptionsRequest}
  */
-public final class ListSubscriptionsRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListSubscriptionsRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListSubscriptionsRequest)
     ListSubscriptionsRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListSubscriptionsRequest.newBuilder() to construct.
   private ListSubscriptionsRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListSubscriptionsRequest() {
     project_ = "";
     pageToken_ = "";
@@ -44,41 +26,34 @@ private ListSubscriptionsRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListSubscriptionsRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListSubscriptionsRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListSubscriptionsRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListSubscriptionsRequest.class,
-            com.google.pubsub.v1.ListSubscriptionsRequest.Builder.class);
+            com.google.pubsub.v1.ListSubscriptionsRequest.class, com.google.pubsub.v1.ListSubscriptionsRequest.Builder.class);
   }
 
   public static final int PROJECT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object project_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list subscriptions.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The project.
    */
   @java.lang.Override
@@ -87,32 +62,30 @@ public java.lang.String getProject() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       project_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list subscriptions.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for project.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getProjectBytes() {
+  public com.google.protobuf.ByteString
+      getProjectBytes() {
     java.lang.Object ref = project_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       project_ = b;
       return b;
     } else {
@@ -123,14 +96,11 @@ public com.google.protobuf.ByteString getProjectBytes() {
   public static final int PAGE_SIZE_FIELD_NUMBER = 2;
   private int pageSize_ = 0;
   /**
-   *
-   *
    * 
        -   * Maximum number of subscriptions to return.
+   * Optional. Maximum number of subscriptions to return.
    * 
        
    *
-   * int32 page_size = 2;
-   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageSize.
    */
   @java.lang.Override
@@ -139,20 +109,16 @@ public int getPageSize() {
   }
 
   public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object pageToken_ = "";
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListSubscriptionsResponse`; indicates that
-   * this is a continuation of a prior `ListSubscriptions` call, and that the
-   * system should return the next page of data.
+   * Optional. The value returned by the last `ListSubscriptionsResponse`;
+   * indicates that this is a continuation of a prior `ListSubscriptions` call,
+   * and that the system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageToken.
    */
   @java.lang.Override
@@ -161,31 +127,31 @@ public java.lang.String getPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       pageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListSubscriptionsResponse`; indicates that
-   * this is a continuation of a prior `ListSubscriptions` call, and that the
-   * system should return the next page of data.
+   * Optional. The value returned by the last `ListSubscriptionsResponse`;
+   * indicates that this is a continuation of a prior `ListSubscriptions` call,
+   * and that the system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for pageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getPageTokenBytes() {
     java.lang.Object ref = pageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       pageToken_ = b;
       return b;
     } else {
@@ -194,7 +160,6 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -206,7 +171,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(project_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, project_);
     }
@@ -229,7 +195,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, project_);
     }
     if (pageSize_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, pageSize_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(2, pageSize_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, pageToken_);
@@ -242,17 +209,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListSubscriptionsRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListSubscriptionsRequest other =
-        (com.google.pubsub.v1.ListSubscriptionsRequest) obj;
+    com.google.pubsub.v1.ListSubscriptionsRequest other = (com.google.pubsub.v1.ListSubscriptionsRequest) obj;
 
-    if (!getProject().equals(other.getProject())) return false;
-    if (getPageSize() != other.getPageSize()) return false;
-    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getProject()
+        .equals(other.getProject())) return false;
+    if (getPageSize()
+        != other.getPageSize()) return false;
+    if (!getPageToken()
+        .equals(other.getPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -275,136 +244,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListSubscriptionsRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSubscriptionsRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListSubscriptionsRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ListSubscriptions` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListSubscriptionsRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListSubscriptionsRequest)
       com.google.pubsub.v1.ListSubscriptionsRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSubscriptionsRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSubscriptionsRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListSubscriptionsRequest.class,
-              com.google.pubsub.v1.ListSubscriptionsRequest.Builder.class);
+              com.google.pubsub.v1.ListSubscriptionsRequest.class, com.google.pubsub.v1.ListSubscriptionsRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListSubscriptionsRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -416,9 +381,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSubscriptionsRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsRequest_descriptor;
     }
 
     @java.lang.Override
@@ -437,11 +402,8 @@ public com.google.pubsub.v1.ListSubscriptionsRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListSubscriptionsRequest buildPartial() {
-      com.google.pubsub.v1.ListSubscriptionsRequest result =
-          new com.google.pubsub.v1.ListSubscriptionsRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListSubscriptionsRequest result = new com.google.pubsub.v1.ListSubscriptionsRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -463,39 +425,38 @@ private void buildPartial0(com.google.pubsub.v1.ListSubscriptionsRequest result)
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListSubscriptionsRequest) {
-        return mergeFrom((com.google.pubsub.v1.ListSubscriptionsRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ListSubscriptionsRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -543,31 +504,27 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                project_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                pageSize_ = input.readInt32();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 26:
-              {
-                pageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              project_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              pageSize_ = input.readInt32();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 26: {
+              pageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -577,28 +534,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object project_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list subscriptions.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The project.
      */
     public java.lang.String getProject() {
       java.lang.Object ref = project_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         project_ = s;
         return s;
@@ -607,24 +559,21 @@ public java.lang.String getProject() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list subscriptions.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for project.
      */
-    public com.google.protobuf.ByteString getProjectBytes() {
+    public com.google.protobuf.ByteString
+        getProjectBytes() {
       java.lang.Object ref = project_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         project_ = b;
         return b;
       } else {
@@ -632,41 +581,30 @@ public com.google.protobuf.ByteString getProjectBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list subscriptions.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The project to set.
      * @return This builder for chaining.
      */
-    public Builder setProject(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setProject(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       project_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list subscriptions.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearProject() {
@@ -676,24 +614,18 @@ public Builder clearProject() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list subscriptions.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for project to set.
      * @return This builder for chaining.
      */
-    public Builder setProjectBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setProjectBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       project_ = value;
       bitField0_ |= 0x00000001;
@@ -701,16 +633,13 @@ public Builder setProjectBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private int pageSize_;
+    private int pageSize_ ;
     /**
-     *
-     *
      * 
        -     * Maximum number of subscriptions to return.
+     * Optional. Maximum number of subscriptions to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageSize.
      */
     @java.lang.Override
@@ -718,14 +647,11 @@ public int getPageSize() {
       return pageSize_;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of subscriptions to return.
+     * Optional. Maximum number of subscriptions to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageSize to set.
      * @return This builder for chaining.
      */
@@ -737,14 +663,11 @@ public Builder setPageSize(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of subscriptions to return.
+     * Optional. Maximum number of subscriptions to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageSize() {
@@ -756,22 +679,20 @@ public Builder clearPageSize() {
 
     private java.lang.Object pageToken_ = "";
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSubscriptionsResponse`; indicates that
-     * this is a continuation of a prior `ListSubscriptions` call, and that the
-     * system should return the next page of data.
+     * Optional. The value returned by the last `ListSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListSubscriptions` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageToken.
      */
     public java.lang.String getPageToken() {
       java.lang.Object ref = pageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         pageToken_ = s;
         return s;
@@ -780,23 +701,22 @@ public java.lang.String getPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSubscriptionsResponse`; indicates that
-     * this is a continuation of a prior `ListSubscriptions` call, and that the
-     * system should return the next page of data.
+     * Optional. The value returned by the last `ListSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListSubscriptions` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for pageToken.
      */
-    public com.google.protobuf.ByteString getPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getPageTokenBytes() {
       java.lang.Object ref = pageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         pageToken_ = b;
         return b;
       } else {
@@ -804,39 +724,32 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSubscriptionsResponse`; indicates that
-     * this is a continuation of a prior `ListSubscriptions` call, and that the
-     * system should return the next page of data.
+     * Optional. The value returned by the last `ListSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListSubscriptions` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSubscriptionsResponse`; indicates that
-     * this is a continuation of a prior `ListSubscriptions` call, and that the
-     * system should return the next page of data.
+     * Optional. The value returned by the last `ListSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListSubscriptions` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageToken() {
@@ -846,32 +759,28 @@ public Builder clearPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListSubscriptionsResponse`; indicates that
-     * this is a continuation of a prior `ListSubscriptions` call, and that the
-     * system should return the next page of data.
+     * Optional. The value returned by the last `ListSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListSubscriptions` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -881,12 +790,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListSubscriptionsRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListSubscriptionsRequest)
   private static final com.google.pubsub.v1.ListSubscriptionsRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListSubscriptionsRequest();
   }
@@ -895,27 +804,27 @@ public static com.google.pubsub.v1.ListSubscriptionsRequest getDefaultInstance()
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListSubscriptionsRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListSubscriptionsRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -930,4 +839,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ListSubscriptionsRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequestOrBuilder.java
new file mode 100644
index 000000000..50c000191
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequestOrBuilder.java
@@ -0,0 +1,65 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListSubscriptionsRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSubscriptionsRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the project in which to list subscriptions.
+   * Format is `projects/{project-id}`.
+   * 
        
+   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The project.
+   */
+  java.lang.String getProject();
+  /**
+   * 
        +   * Required. The name of the project in which to list subscriptions.
+   * Format is `projects/{project-id}`.
+   * 
        
+   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for project.
+   */
+  com.google.protobuf.ByteString
+      getProjectBytes();
+
+  /**
+   * 
        +   * Optional. Maximum number of subscriptions to return.
+   * 
        
+   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   * 
        +   * Optional. The value returned by the last `ListSubscriptionsResponse`;
+   * indicates that this is a continuation of a prior `ListSubscriptions` call,
+   * and that the system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+  /**
+   * 
        +   * Optional. The value returned by the last `ListSubscriptionsResponse`;
+   * indicates that this is a continuation of a prior `ListSubscriptions` call,
+   * and that the system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString
+      getPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponse.java
similarity index 65%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponse.java
index c9df34aa1..4523202d3 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponse.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ListSubscriptions` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListSubscriptionsResponse}
  */
-public final class ListSubscriptionsResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListSubscriptionsResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListSubscriptionsResponse)
     ListSubscriptionsResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListSubscriptionsResponse.newBuilder() to construct.
   private ListSubscriptionsResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListSubscriptionsResponse() {
     subscriptions_ = java.util.Collections.emptyList();
     nextPageToken_ = "";
@@ -44,111 +26,96 @@ private ListSubscriptionsResponse() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListSubscriptionsResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListSubscriptionsResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListSubscriptionsResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListSubscriptionsResponse.class,
-            com.google.pubsub.v1.ListSubscriptionsResponse.Builder.class);
+            com.google.pubsub.v1.ListSubscriptionsResponse.class, com.google.pubsub.v1.ListSubscriptionsResponse.Builder.class);
   }
 
   public static final int SUBSCRIPTIONS_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private java.util.List subscriptions_;
   /**
-   *
-   *
    * 
        -   * The subscriptions that match the request.
+   * Optional. The subscriptions that match the request.
    * 
        
    *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.List getSubscriptionsList() {
     return subscriptions_;
   }
   /**
-   *
-   *
    * 
        -   * The subscriptions that match the request.
+   * Optional. The subscriptions that match the request.
    * 
        
    *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.util.List
+  public java.util.List 
       getSubscriptionsOrBuilderList() {
     return subscriptions_;
   }
   /**
-   *
-   *
    * 
        -   * The subscriptions that match the request.
+   * Optional. The subscriptions that match the request.
    * 
        
    *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public int getSubscriptionsCount() {
     return subscriptions_.size();
   }
   /**
-   *
-   *
    * 
        -   * The subscriptions that match the request.
+   * Optional. The subscriptions that match the request.
    * 
        
    *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.Subscription getSubscriptions(int index) {
     return subscriptions_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * The subscriptions that match the request.
+   * Optional. The subscriptions that match the request.
    * 
        
    *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionsOrBuilder(int index) {
+  public com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionsOrBuilder(
+      int index) {
     return subscriptions_.get(index);
   }
 
   public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object nextPageToken_ = "";
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more subscriptions that match
-   * the request; this value should be passed in a new
+   * Optional. If not empty, indicates that there may be more subscriptions that
+   * match the request; this value should be passed in a new
    * `ListSubscriptionsRequest` to get more subscriptions.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The nextPageToken.
    */
   @java.lang.Override
@@ -157,31 +124,31 @@ public java.lang.String getNextPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       nextPageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more subscriptions that match
-   * the request; this value should be passed in a new
+   * Optional. If not empty, indicates that there may be more subscriptions that
+   * match the request; this value should be passed in a new
    * `ListSubscriptionsRequest` to get more subscriptions.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for nextPageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getNextPageTokenBytes() {
     java.lang.Object ref = nextPageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       nextPageToken_ = b;
       return b;
     } else {
@@ -190,7 +157,6 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -202,7 +168,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < subscriptions_.size(); i++) {
       output.writeMessage(1, subscriptions_.get(i));
     }
@@ -219,7 +186,8 @@ public int getSerializedSize() {
 
     size = 0;
     for (int i = 0; i < subscriptions_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, subscriptions_.get(i));
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, subscriptions_.get(i));
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
@@ -232,16 +200,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListSubscriptionsResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListSubscriptionsResponse other =
-        (com.google.pubsub.v1.ListSubscriptionsResponse) obj;
+    com.google.pubsub.v1.ListSubscriptionsResponse other = (com.google.pubsub.v1.ListSubscriptionsResponse) obj;
 
-    if (!getSubscriptionsList().equals(other.getSubscriptionsList())) return false;
-    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getSubscriptionsList()
+        .equals(other.getSubscriptionsList())) return false;
+    if (!getNextPageToken()
+        .equals(other.getNextPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -264,136 +233,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListSubscriptionsResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListSubscriptionsResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListSubscriptionsResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListSubscriptionsResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ListSubscriptions` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListSubscriptionsResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListSubscriptionsResponse)
       com.google.pubsub.v1.ListSubscriptionsResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSubscriptionsResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSubscriptionsResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListSubscriptionsResponse.class,
-              com.google.pubsub.v1.ListSubscriptionsResponse.Builder.class);
+              com.google.pubsub.v1.ListSubscriptionsResponse.class, com.google.pubsub.v1.ListSubscriptionsResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListSubscriptionsResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -410,9 +375,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListSubscriptionsResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListSubscriptionsResponse_descriptor;
     }
 
     @java.lang.Override
@@ -431,12 +396,9 @@ public com.google.pubsub.v1.ListSubscriptionsResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListSubscriptionsResponse buildPartial() {
-      com.google.pubsub.v1.ListSubscriptionsResponse result =
-          new com.google.pubsub.v1.ListSubscriptionsResponse(this);
+      com.google.pubsub.v1.ListSubscriptionsResponse result = new com.google.pubsub.v1.ListSubscriptionsResponse(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -464,39 +426,38 @@ private void buildPartial0(com.google.pubsub.v1.ListSubscriptionsResponse result
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListSubscriptionsResponse) {
-        return mergeFrom((com.google.pubsub.v1.ListSubscriptionsResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ListSubscriptionsResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -523,10 +484,9 @@ public Builder mergeFrom(com.google.pubsub.v1.ListSubscriptionsResponse other) {
             subscriptionsBuilder_ = null;
             subscriptions_ = other.subscriptions_;
             bitField0_ = (bitField0_ & ~0x00000001);
-            subscriptionsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getSubscriptionsFieldBuilder()
-                    : null;
+            subscriptionsBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getSubscriptionsFieldBuilder() : null;
           } else {
             subscriptionsBuilder_.addAllMessages(other.subscriptions_);
           }
@@ -563,32 +523,30 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                com.google.pubsub.v1.Subscription m =
-                    input.readMessage(
-                        com.google.pubsub.v1.Subscription.parser(), extensionRegistry);
-                if (subscriptionsBuilder_ == null) {
-                  ensureSubscriptionsIsMutable();
-                  subscriptions_.add(m);
-                } else {
-                  subscriptionsBuilder_.addMessage(m);
-                }
-                break;
-              } // case 10
-            case 18:
-              {
-                nextPageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              com.google.pubsub.v1.Subscription m =
+                  input.readMessage(
+                      com.google.pubsub.v1.Subscription.parser(),
+                      extensionRegistry);
+              if (subscriptionsBuilder_ == null) {
+                ensureSubscriptionsIsMutable();
+                subscriptions_.add(m);
+              } else {
+                subscriptionsBuilder_.addMessage(m);
+              }
+              break;
+            } // case 10
+            case 18: {
+              nextPageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -598,33 +556,26 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.util.List subscriptions_ =
-        java.util.Collections.emptyList();
-
+      java.util.Collections.emptyList();
     private void ensureSubscriptionsIsMutable() {
       if (!((bitField0_ & 0x00000001) != 0)) {
         subscriptions_ = new java.util.ArrayList(subscriptions_);
         bitField0_ |= 0x00000001;
-      }
+       }
     }
 
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Subscription,
-            com.google.pubsub.v1.Subscription.Builder,
-            com.google.pubsub.v1.SubscriptionOrBuilder>
-        subscriptionsBuilder_;
+        com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription.Builder, com.google.pubsub.v1.SubscriptionOrBuilder> subscriptionsBuilder_;
 
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public java.util.List getSubscriptionsList() {
       if (subscriptionsBuilder_ == null) {
@@ -634,13 +585,11 @@ public java.util.List getSubscriptionsList()
       }
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public int getSubscriptionsCount() {
       if (subscriptionsBuilder_ == null) {
@@ -650,13 +599,11 @@ public int getSubscriptionsCount() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.Subscription getSubscriptions(int index) {
       if (subscriptionsBuilder_ == null) {
@@ -666,15 +613,14 @@ public com.google.pubsub.v1.Subscription getSubscriptions(int index) {
       }
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setSubscriptions(int index, com.google.pubsub.v1.Subscription value) {
+    public Builder setSubscriptions(
+        int index, com.google.pubsub.v1.Subscription value) {
       if (subscriptionsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -688,13 +634,11 @@ public Builder setSubscriptions(int index, com.google.pubsub.v1.Subscription val
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setSubscriptions(
         int index, com.google.pubsub.v1.Subscription.Builder builderForValue) {
@@ -708,13 +652,11 @@ public Builder setSubscriptions(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addSubscriptions(com.google.pubsub.v1.Subscription value) {
       if (subscriptionsBuilder_ == null) {
@@ -730,15 +672,14 @@ public Builder addSubscriptions(com.google.pubsub.v1.Subscription value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addSubscriptions(int index, com.google.pubsub.v1.Subscription value) {
+    public Builder addSubscriptions(
+        int index, com.google.pubsub.v1.Subscription value) {
       if (subscriptionsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -752,15 +693,14 @@ public Builder addSubscriptions(int index, com.google.pubsub.v1.Subscription val
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addSubscriptions(com.google.pubsub.v1.Subscription.Builder builderForValue) {
+    public Builder addSubscriptions(
+        com.google.pubsub.v1.Subscription.Builder builderForValue) {
       if (subscriptionsBuilder_ == null) {
         ensureSubscriptionsIsMutable();
         subscriptions_.add(builderForValue.build());
@@ -771,13 +711,11 @@ public Builder addSubscriptions(com.google.pubsub.v1.Subscription.Builder builde
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addSubscriptions(
         int index, com.google.pubsub.v1.Subscription.Builder builderForValue) {
@@ -791,19 +729,18 @@ public Builder addSubscriptions(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addAllSubscriptions(
         java.lang.Iterable values) {
       if (subscriptionsBuilder_ == null) {
         ensureSubscriptionsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, subscriptions_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, subscriptions_);
         onChanged();
       } else {
         subscriptionsBuilder_.addAllMessages(values);
@@ -811,13 +748,11 @@ public Builder addAllSubscriptions(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearSubscriptions() {
       if (subscriptionsBuilder_ == null) {
@@ -830,13 +765,11 @@ public Builder clearSubscriptions() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder removeSubscriptions(int index) {
       if (subscriptionsBuilder_ == null) {
@@ -849,44 +782,39 @@ public Builder removeSubscriptions(int index) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.Subscription.Builder getSubscriptionsBuilder(int index) {
+    public com.google.pubsub.v1.Subscription.Builder getSubscriptionsBuilder(
+        int index) {
       return getSubscriptionsFieldBuilder().getBuilder(index);
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionsOrBuilder(int index) {
+    public com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionsOrBuilder(
+        int index) {
       if (subscriptionsBuilder_ == null) {
-        return subscriptions_.get(index);
-      } else {
+        return subscriptions_.get(index);  } else {
         return subscriptionsBuilder_.getMessageOrBuilder(index);
       }
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List
-        getSubscriptionsOrBuilderList() {
+    public java.util.List 
+         getSubscriptionsOrBuilderList() {
       if (subscriptionsBuilder_ != null) {
         return subscriptionsBuilder_.getMessageOrBuilderList();
       } else {
@@ -894,55 +822,45 @@ public com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionsOrBuilder(int
       }
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.Subscription.Builder addSubscriptionsBuilder() {
-      return getSubscriptionsFieldBuilder()
-          .addBuilder(com.google.pubsub.v1.Subscription.getDefaultInstance());
+      return getSubscriptionsFieldBuilder().addBuilder(
+          com.google.pubsub.v1.Subscription.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.Subscription.Builder addSubscriptionsBuilder(int index) {
-      return getSubscriptionsFieldBuilder()
-          .addBuilder(index, com.google.pubsub.v1.Subscription.getDefaultInstance());
+    public com.google.pubsub.v1.Subscription.Builder addSubscriptionsBuilder(
+        int index) {
+      return getSubscriptionsFieldBuilder().addBuilder(
+          index, com.google.pubsub.v1.Subscription.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * The subscriptions that match the request.
+     * Optional. The subscriptions that match the request.
      * 
        
      *
-     * repeated .google.pubsub.v1.Subscription subscriptions = 1;
+     * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List getSubscriptionsBuilderList() {
+    public java.util.List 
+         getSubscriptionsBuilderList() {
       return getSubscriptionsFieldBuilder().getBuilderList();
     }
-
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Subscription,
-            com.google.pubsub.v1.Subscription.Builder,
-            com.google.pubsub.v1.SubscriptionOrBuilder>
+        com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription.Builder, com.google.pubsub.v1.SubscriptionOrBuilder> 
         getSubscriptionsFieldBuilder() {
       if (subscriptionsBuilder_ == null) {
-        subscriptionsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.pubsub.v1.Subscription,
-                com.google.pubsub.v1.Subscription.Builder,
-                com.google.pubsub.v1.SubscriptionOrBuilder>(
+        subscriptionsBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription.Builder, com.google.pubsub.v1.SubscriptionOrBuilder>(
                 subscriptions_,
                 ((bitField0_ & 0x00000001) != 0),
                 getParentForChildren(),
@@ -954,22 +872,20 @@ public java.util.List getSubscription
 
     private java.lang.Object nextPageToken_ = "";
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The nextPageToken.
      */
     public java.lang.String getNextPageToken() {
       java.lang.Object ref = nextPageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         nextPageToken_ = s;
         return s;
@@ -978,23 +894,22 @@ public java.lang.String getNextPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for nextPageToken.
      */
-    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getNextPageTokenBytes() {
       java.lang.Object ref = nextPageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         nextPageToken_ = b;
         return b;
       } else {
@@ -1002,39 +917,32 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearNextPageToken() {
@@ -1044,32 +952,28 @@ public Builder clearNextPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1079,12 +983,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListSubscriptionsResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListSubscriptionsResponse)
   private static final com.google.pubsub.v1.ListSubscriptionsResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListSubscriptionsResponse();
   }
@@ -1093,27 +997,27 @@ public static com.google.pubsub.v1.ListSubscriptionsResponse getDefaultInstance(
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListSubscriptionsResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListSubscriptionsResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1128,4 +1032,6 @@ public com.google.protobuf.Parser getParserForType()
   public com.google.pubsub.v1.ListSubscriptionsResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponseOrBuilder.java
new file mode 100644
index 000000000..1275f8dba
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponseOrBuilder.java
@@ -0,0 +1,77 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListSubscriptionsResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSubscriptionsResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The subscriptions that match the request.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.List 
+      getSubscriptionsList();
+  /**
+   * 
        +   * Optional. The subscriptions that match the request.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.Subscription getSubscriptions(int index);
+  /**
+   * 
        +   * Optional. The subscriptions that match the request.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  int getSubscriptionsCount();
+  /**
+   * 
        +   * Optional. The subscriptions that match the request.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.List 
+      getSubscriptionsOrBuilderList();
+  /**
+   * 
        +   * Optional. The subscriptions that match the request.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Subscription subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionsOrBuilder(
+      int index);
+
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more subscriptions that
+   * match the request; this value should be passed in a new
+   * `ListSubscriptionsRequest` to get more subscriptions.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more subscriptions that
+   * match the request; this value should be passed in a new
+   * `ListSubscriptionsRequest` to get more subscriptions.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString
+      getNextPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequest.java
similarity index 60%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequest.java
index f5efb7ccf..37b2a837f 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ListTopicSnapshots` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListTopicSnapshotsRequest}
  */
-public final class ListTopicSnapshotsRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListTopicSnapshotsRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListTopicSnapshotsRequest)
     ListTopicSnapshotsRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListTopicSnapshotsRequest.newBuilder() to construct.
   private ListTopicSnapshotsRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListTopicSnapshotsRequest() {
     topic_ = "";
     pageToken_ = "";
@@ -44,41 +26,34 @@ private ListTopicSnapshotsRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListTopicSnapshotsRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListTopicSnapshotsRequest.class,
-            com.google.pubsub.v1.ListTopicSnapshotsRequest.Builder.class);
+            com.google.pubsub.v1.ListTopicSnapshotsRequest.class, com.google.pubsub.v1.ListTopicSnapshotsRequest.Builder.class);
   }
 
   public static final int TOPIC_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object topic_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the topic that snapshots are attached to.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   @java.lang.Override
@@ -87,32 +62,30 @@ public java.lang.String getTopic() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       topic_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the topic that snapshots are attached to.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getTopicBytes() {
+  public com.google.protobuf.ByteString
+      getTopicBytes() {
     java.lang.Object ref = topic_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       topic_ = b;
       return b;
     } else {
@@ -123,14 +96,11 @@ public com.google.protobuf.ByteString getTopicBytes() {
   public static final int PAGE_SIZE_FIELD_NUMBER = 2;
   private int pageSize_ = 0;
   /**
-   *
-   *
    * 
        -   * Maximum number of snapshot names to return.
+   * Optional. Maximum number of snapshot names to return.
    * 
        
    *
-   * int32 page_size = 2;
-   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageSize.
    */
   @java.lang.Override
@@ -139,20 +109,16 @@ public int getPageSize() {
   }
 
   public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object pageToken_ = "";
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-   * that this is a continuation of a prior `ListTopicSnapshots` call, and
-   * that the system should return the next page of data.
+   * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+   * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+   * and that the system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageToken.
    */
   @java.lang.Override
@@ -161,31 +127,31 @@ public java.lang.String getPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       pageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-   * that this is a continuation of a prior `ListTopicSnapshots` call, and
-   * that the system should return the next page of data.
+   * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+   * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+   * and that the system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for pageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getPageTokenBytes() {
     java.lang.Object ref = pageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       pageToken_ = b;
       return b;
     } else {
@@ -194,7 +160,6 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -206,7 +171,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(topic_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, topic_);
     }
@@ -229,7 +195,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, topic_);
     }
     if (pageSize_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, pageSize_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(2, pageSize_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, pageToken_);
@@ -242,17 +209,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListTopicSnapshotsRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListTopicSnapshotsRequest other =
-        (com.google.pubsub.v1.ListTopicSnapshotsRequest) obj;
+    com.google.pubsub.v1.ListTopicSnapshotsRequest other = (com.google.pubsub.v1.ListTopicSnapshotsRequest) obj;
 
-    if (!getTopic().equals(other.getTopic())) return false;
-    if (getPageSize() != other.getPageSize()) return false;
-    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getTopic()
+        .equals(other.getTopic())) return false;
+    if (getPageSize()
+        != other.getPageSize()) return false;
+    if (!getPageToken()
+        .equals(other.getPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -275,136 +244,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListTopicSnapshotsRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ListTopicSnapshots` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListTopicSnapshotsRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListTopicSnapshotsRequest)
       com.google.pubsub.v1.ListTopicSnapshotsRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListTopicSnapshotsRequest.class,
-              com.google.pubsub.v1.ListTopicSnapshotsRequest.Builder.class);
+              com.google.pubsub.v1.ListTopicSnapshotsRequest.class, com.google.pubsub.v1.ListTopicSnapshotsRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListTopicSnapshotsRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -416,9 +381,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor;
     }
 
     @java.lang.Override
@@ -437,11 +402,8 @@ public com.google.pubsub.v1.ListTopicSnapshotsRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListTopicSnapshotsRequest buildPartial() {
-      com.google.pubsub.v1.ListTopicSnapshotsRequest result =
-          new com.google.pubsub.v1.ListTopicSnapshotsRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListTopicSnapshotsRequest result = new com.google.pubsub.v1.ListTopicSnapshotsRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -463,39 +425,38 @@ private void buildPartial0(com.google.pubsub.v1.ListTopicSnapshotsRequest result
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListTopicSnapshotsRequest) {
-        return mergeFrom((com.google.pubsub.v1.ListTopicSnapshotsRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ListTopicSnapshotsRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -543,31 +504,27 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                topic_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                pageSize_ = input.readInt32();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 26:
-              {
-                pageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              topic_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              pageSize_ = input.readInt32();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 26: {
+              pageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -577,28 +534,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object topic_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the topic that snapshots are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The topic.
      */
     public java.lang.String getTopic() {
       java.lang.Object ref = topic_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         topic_ = s;
         return s;
@@ -607,24 +559,21 @@ public java.lang.String getTopic() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic that snapshots are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for topic.
      */
-    public com.google.protobuf.ByteString getTopicBytes() {
+    public com.google.protobuf.ByteString
+        getTopicBytes() {
       java.lang.Object ref = topic_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         topic_ = b;
         return b;
       } else {
@@ -632,41 +581,30 @@ public com.google.protobuf.ByteString getTopicBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic that snapshots are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopic(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopic(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       topic_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic that snapshots are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearTopic() {
@@ -676,24 +614,18 @@ public Builder clearTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic that snapshots are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopicBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       topic_ = value;
       bitField0_ |= 0x00000001;
@@ -701,16 +633,13 @@ public Builder setTopicBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private int pageSize_;
+    private int pageSize_ ;
     /**
-     *
-     *
      * 
        -     * Maximum number of snapshot names to return.
+     * Optional. Maximum number of snapshot names to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageSize.
      */
     @java.lang.Override
@@ -718,14 +647,11 @@ public int getPageSize() {
       return pageSize_;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of snapshot names to return.
+     * Optional. Maximum number of snapshot names to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageSize to set.
      * @return This builder for chaining.
      */
@@ -737,14 +663,11 @@ public Builder setPageSize(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of snapshot names to return.
+     * Optional. Maximum number of snapshot names to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageSize() {
@@ -756,22 +679,20 @@ public Builder clearPageSize() {
 
     private java.lang.Object pageToken_ = "";
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSnapshots` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageToken.
      */
     public java.lang.String getPageToken() {
       java.lang.Object ref = pageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         pageToken_ = s;
         return s;
@@ -780,23 +701,22 @@ public java.lang.String getPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSnapshots` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for pageToken.
      */
-    public com.google.protobuf.ByteString getPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getPageTokenBytes() {
       java.lang.Object ref = pageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         pageToken_ = b;
         return b;
       } else {
@@ -804,39 +724,32 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSnapshots` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSnapshots` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageToken() {
@@ -846,32 +759,28 @@ public Builder clearPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSnapshots` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+     * and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -881,12 +790,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListTopicSnapshotsRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListTopicSnapshotsRequest)
   private static final com.google.pubsub.v1.ListTopicSnapshotsRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListTopicSnapshotsRequest();
   }
@@ -895,27 +804,27 @@ public static com.google.pubsub.v1.ListTopicSnapshotsRequest getDefaultInstance(
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListTopicSnapshotsRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListTopicSnapshotsRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -930,4 +839,6 @@ public com.google.protobuf.Parser getParserForType()
   public com.google.pubsub.v1.ListTopicSnapshotsRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequestOrBuilder.java
new file mode 100644
index 000000000..a5a5c8729
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequestOrBuilder.java
@@ -0,0 +1,65 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListTopicSnapshotsRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicSnapshotsRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the topic that snapshots are attached to.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The topic.
+   */
+  java.lang.String getTopic();
+  /**
+   * 
        +   * Required. The name of the topic that snapshots are attached to.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for topic.
+   */
+  com.google.protobuf.ByteString
+      getTopicBytes();
+
+  /**
+   * 
        +   * Optional. Maximum number of snapshot names to return.
+   * 
        
+   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   * 
        +   * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+   * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+   * and that the system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+  /**
+   * 
        +   * Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+   * indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+   * and that the system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString
+      getPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponse.java
similarity index 60%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponse.java
index 961e22e6b..c7a127b54 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponse.java
@@ -1,110 +1,83 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ListTopicSnapshots` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListTopicSnapshotsResponse}
  */
-public final class ListTopicSnapshotsResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListTopicSnapshotsResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListTopicSnapshotsResponse)
     ListTopicSnapshotsResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListTopicSnapshotsResponse.newBuilder() to construct.
   private ListTopicSnapshotsResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListTopicSnapshotsResponse() {
-    snapshots_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    snapshots_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
     nextPageToken_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListTopicSnapshotsResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListTopicSnapshotsResponse.class,
-            com.google.pubsub.v1.ListTopicSnapshotsResponse.Builder.class);
+            com.google.pubsub.v1.ListTopicSnapshotsResponse.class, com.google.pubsub.v1.ListTopicSnapshotsResponse.Builder.class);
   }
 
   public static final int SNAPSHOTS_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private com.google.protobuf.LazyStringArrayList snapshots_ =
       com.google.protobuf.LazyStringArrayList.emptyList();
   /**
-   *
-   *
    * 
        -   * The names of the snapshots that match the request.
+   * Optional. The names of the snapshots that match the request.
    * 
        
    *
-   * repeated string snapshots = 1;
-   *
+   * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return A list containing the snapshots.
    */
-  public com.google.protobuf.ProtocolStringList getSnapshotsList() {
+  public com.google.protobuf.ProtocolStringList
+      getSnapshotsList() {
     return snapshots_;
   }
   /**
-   *
-   *
    * 
        -   * The names of the snapshots that match the request.
+   * Optional. The names of the snapshots that match the request.
    * 
        
    *
-   * repeated string snapshots = 1;
-   *
+   * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The count of snapshots.
    */
   public int getSnapshotsCount() {
     return snapshots_.size();
   }
   /**
-   *
-   *
    * 
        -   * The names of the snapshots that match the request.
+   * Optional. The names of the snapshots that match the request.
    * 
        
    *
-   * repeated string snapshots = 1;
-   *
+   * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the element to return.
    * @return The snapshots at the given index.
    */
@@ -112,36 +85,30 @@ public java.lang.String getSnapshots(int index) {
     return snapshots_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * The names of the snapshots that match the request.
+   * Optional. The names of the snapshots that match the request.
    * 
        
    *
-   * repeated string snapshots = 1;
-   *
+   * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the value to return.
    * @return The bytes of the snapshots at the given index.
    */
-  public com.google.protobuf.ByteString getSnapshotsBytes(int index) {
+  public com.google.protobuf.ByteString
+      getSnapshotsBytes(int index) {
     return snapshots_.getByteString(index);
   }
 
   public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object nextPageToken_ = "";
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more snapshots that match
-   * the request; this value should be passed in a new
+   * Optional. If not empty, indicates that there may be more snapshots that
+   * match the request; this value should be passed in a new
    * `ListTopicSnapshotsRequest` to get more snapshots.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The nextPageToken.
    */
   @java.lang.Override
@@ -150,31 +117,31 @@ public java.lang.String getNextPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       nextPageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more snapshots that match
-   * the request; this value should be passed in a new
+   * Optional. If not empty, indicates that there may be more snapshots that
+   * match the request; this value should be passed in a new
    * `ListTopicSnapshotsRequest` to get more snapshots.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for nextPageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getNextPageTokenBytes() {
     java.lang.Object ref = nextPageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       nextPageToken_ = b;
       return b;
     } else {
@@ -183,7 +150,6 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -195,7 +161,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < snapshots_.size(); i++) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, snapshots_.getRaw(i));
     }
@@ -230,16 +197,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListTopicSnapshotsResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListTopicSnapshotsResponse other =
-        (com.google.pubsub.v1.ListTopicSnapshotsResponse) obj;
+    com.google.pubsub.v1.ListTopicSnapshotsResponse other = (com.google.pubsub.v1.ListTopicSnapshotsResponse) obj;
 
-    if (!getSnapshotsList().equals(other.getSnapshotsList())) return false;
-    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getSnapshotsList()
+        .equals(other.getSnapshotsList())) return false;
+    if (!getNextPageToken()
+        .equals(other.getNextPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -262,149 +230,146 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicSnapshotsResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListTopicSnapshotsResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ListTopicSnapshots` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListTopicSnapshotsResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListTopicSnapshotsResponse)
       com.google.pubsub.v1.ListTopicSnapshotsResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListTopicSnapshotsResponse.class,
-              com.google.pubsub.v1.ListTopicSnapshotsResponse.Builder.class);
+              com.google.pubsub.v1.ListTopicSnapshotsResponse.class, com.google.pubsub.v1.ListTopicSnapshotsResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListTopicSnapshotsResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
       bitField0_ = 0;
-      snapshots_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      snapshots_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
       nextPageToken_ = "";
       return this;
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor;
     }
 
     @java.lang.Override
@@ -423,11 +388,8 @@ public com.google.pubsub.v1.ListTopicSnapshotsResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListTopicSnapshotsResponse buildPartial() {
-      com.google.pubsub.v1.ListTopicSnapshotsResponse result =
-          new com.google.pubsub.v1.ListTopicSnapshotsResponse(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListTopicSnapshotsResponse result = new com.google.pubsub.v1.ListTopicSnapshotsResponse(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -447,39 +409,38 @@ private void buildPartial0(com.google.pubsub.v1.ListTopicSnapshotsResponse resul
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListTopicSnapshotsResponse) {
-        return mergeFrom((com.google.pubsub.v1.ListTopicSnapshotsResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ListTopicSnapshotsResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -487,8 +448,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     }
 
     public Builder mergeFrom(com.google.pubsub.v1.ListTopicSnapshotsResponse other) {
-      if (other == com.google.pubsub.v1.ListTopicSnapshotsResponse.getDefaultInstance())
-        return this;
+      if (other == com.google.pubsub.v1.ListTopicSnapshotsResponse.getDefaultInstance()) return this;
       if (!other.snapshots_.isEmpty()) {
         if (snapshots_.isEmpty()) {
           snapshots_ = other.snapshots_;
@@ -530,26 +490,23 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureSnapshotsIsMutable();
-                snapshots_.add(s);
-                break;
-              } // case 10
-            case 18:
-              {
-                nextPageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+              ensureSnapshotsIsMutable();
+              snapshots_.add(s);
+              break;
+            } // case 10
+            case 18: {
+              nextPageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -559,12 +516,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.protobuf.LazyStringArrayList snapshots_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
-
     private void ensureSnapshotsIsMutable() {
       if (!snapshots_.isModifiable()) {
         snapshots_ = new com.google.protobuf.LazyStringArrayList(snapshots_);
@@ -572,43 +527,35 @@ private void ensureSnapshotsIsMutable() {
       bitField0_ |= 0x00000001;
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the snapshots.
      */
-    public com.google.protobuf.ProtocolStringList getSnapshotsList() {
+    public com.google.protobuf.ProtocolStringList
+        getSnapshotsList() {
       snapshots_.makeImmutable();
       return snapshots_;
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of snapshots.
      */
     public int getSnapshotsCount() {
       return snapshots_.size();
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The snapshots at the given index.
      */
@@ -616,37 +563,31 @@ public java.lang.String getSnapshots(int index) {
       return snapshots_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the snapshots at the given index.
      */
-    public com.google.protobuf.ByteString getSnapshotsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getSnapshotsBytes(int index) {
       return snapshots_.getByteString(index);
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index to set the value at.
      * @param value The snapshots to set.
      * @return This builder for chaining.
      */
-    public Builder setSnapshots(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSnapshots(
+        int index, java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureSnapshotsIsMutable();
       snapshots_.set(index, value);
       bitField0_ |= 0x00000001;
@@ -654,21 +595,17 @@ public Builder setSnapshots(int index, java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The snapshots to add.
      * @return This builder for chaining.
      */
-    public Builder addSnapshots(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addSnapshots(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureSnapshotsIsMutable();
       snapshots_.add(value);
       bitField0_ |= 0x00000001;
@@ -676,58 +613,50 @@ public Builder addSnapshots(java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param values The snapshots to add.
      * @return This builder for chaining.
      */
-    public Builder addAllSnapshots(java.lang.Iterable values) {
+    public Builder addAllSnapshots(
+        java.lang.Iterable values) {
       ensureSnapshotsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, snapshots_);
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, snapshots_);
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearSnapshots() {
-      snapshots_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000001);
-      ;
+      snapshots_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000001);;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The names of the snapshots that match the request.
+     * Optional. The names of the snapshots that match the request.
      * 
        
      *
-     * repeated string snapshots = 1;
-     *
+     * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes of the snapshots to add.
      * @return This builder for chaining.
      */
-    public Builder addSnapshotsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addSnapshotsBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       ensureSnapshotsIsMutable();
       snapshots_.add(value);
@@ -738,22 +667,20 @@ public Builder addSnapshotsBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object nextPageToken_ = "";
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshots that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more snapshots that
+     * match the request; this value should be passed in a new
      * `ListTopicSnapshotsRequest` to get more snapshots.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The nextPageToken.
      */
     public java.lang.String getNextPageToken() {
       java.lang.Object ref = nextPageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         nextPageToken_ = s;
         return s;
@@ -762,23 +689,22 @@ public java.lang.String getNextPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshots that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more snapshots that
+     * match the request; this value should be passed in a new
      * `ListTopicSnapshotsRequest` to get more snapshots.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for nextPageToken.
      */
-    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getNextPageTokenBytes() {
       java.lang.Object ref = nextPageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         nextPageToken_ = b;
         return b;
       } else {
@@ -786,39 +712,32 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshots that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more snapshots that
+     * match the request; this value should be passed in a new
      * `ListTopicSnapshotsRequest` to get more snapshots.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshots that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more snapshots that
+     * match the request; this value should be passed in a new
      * `ListTopicSnapshotsRequest` to get more snapshots.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearNextPageToken() {
@@ -828,32 +747,28 @@ public Builder clearNextPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more snapshots that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more snapshots that
+     * match the request; this value should be passed in a new
      * `ListTopicSnapshotsRequest` to get more snapshots.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -863,12 +778,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListTopicSnapshotsResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListTopicSnapshotsResponse)
   private static final com.google.pubsub.v1.ListTopicSnapshotsResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListTopicSnapshotsResponse();
   }
@@ -877,27 +792,27 @@ public static com.google.pubsub.v1.ListTopicSnapshotsResponse getDefaultInstance
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListTopicSnapshotsResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListTopicSnapshotsResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -912,4 +827,6 @@ public com.google.protobuf.Parser getParserForType()
   public com.google.pubsub.v1.ListTopicSnapshotsResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponseOrBuilder.java
new file mode 100644
index 000000000..6a0c70ffb
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponseOrBuilder.java
@@ -0,0 +1,74 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListTopicSnapshotsResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicSnapshotsResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The names of the snapshots that match the request.
+   * 
        
+   *
+   * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return A list containing the snapshots.
+   */
+  java.util.List
+      getSnapshotsList();
+  /**
+   * 
        +   * Optional. The names of the snapshots that match the request.
+   * 
        
+   *
+   * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The count of snapshots.
+   */
+  int getSnapshotsCount();
+  /**
+   * 
        +   * Optional. The names of the snapshots that match the request.
+   * 
        
+   *
+   * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @param index The index of the element to return.
+   * @return The snapshots at the given index.
+   */
+  java.lang.String getSnapshots(int index);
+  /**
+   * 
        +   * Optional. The names of the snapshots that match the request.
+   * 
        
+   *
+   * repeated string snapshots = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @param index The index of the value to return.
+   * @return The bytes of the snapshots at the given index.
+   */
+  com.google.protobuf.ByteString
+      getSnapshotsBytes(int index);
+
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more snapshots that
+   * match the request; this value should be passed in a new
+   * `ListTopicSnapshotsRequest` to get more snapshots.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more snapshots that
+   * match the request; this value should be passed in a new
+   * `ListTopicSnapshotsRequest` to get more snapshots.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString
+      getNextPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequest.java
similarity index 60%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequest.java
index cabc50ce0..28371e252 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ListTopicSubscriptions` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListTopicSubscriptionsRequest}
  */
-public final class ListTopicSubscriptionsRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListTopicSubscriptionsRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListTopicSubscriptionsRequest)
     ListTopicSubscriptionsRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListTopicSubscriptionsRequest.newBuilder() to construct.
   private ListTopicSubscriptionsRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListTopicSubscriptionsRequest() {
     topic_ = "";
     pageToken_ = "";
@@ -44,41 +26,34 @@ private ListTopicSubscriptionsRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListTopicSubscriptionsRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListTopicSubscriptionsRequest.class,
-            com.google.pubsub.v1.ListTopicSubscriptionsRequest.Builder.class);
+            com.google.pubsub.v1.ListTopicSubscriptionsRequest.class, com.google.pubsub.v1.ListTopicSubscriptionsRequest.Builder.class);
   }
 
   public static final int TOPIC_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object topic_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the topic that subscriptions are attached to.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   @java.lang.Override
@@ -87,32 +62,30 @@ public java.lang.String getTopic() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       topic_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the topic that subscriptions are attached to.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getTopicBytes() {
+  public com.google.protobuf.ByteString
+      getTopicBytes() {
     java.lang.Object ref = topic_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       topic_ = b;
       return b;
     } else {
@@ -123,14 +96,11 @@ public com.google.protobuf.ByteString getTopicBytes() {
   public static final int PAGE_SIZE_FIELD_NUMBER = 2;
   private int pageSize_ = 0;
   /**
-   *
-   *
    * 
        -   * Maximum number of subscription names to return.
+   * Optional. Maximum number of subscription names to return.
    * 
        
    *
-   * int32 page_size = 2;
-   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageSize.
    */
   @java.lang.Override
@@ -139,20 +109,16 @@ public int getPageSize() {
   }
 
   public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object pageToken_ = "";
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-   * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-   * that the system should return the next page of data.
+   * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+   * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+   * call, and that the system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageToken.
    */
   @java.lang.Override
@@ -161,31 +127,31 @@ public java.lang.String getPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       pageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-   * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-   * that the system should return the next page of data.
+   * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+   * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+   * call, and that the system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for pageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getPageTokenBytes() {
     java.lang.Object ref = pageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       pageToken_ = b;
       return b;
     } else {
@@ -194,7 +160,6 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -206,7 +171,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(topic_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, topic_);
     }
@@ -229,7 +195,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, topic_);
     }
     if (pageSize_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, pageSize_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(2, pageSize_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, pageToken_);
@@ -242,17 +209,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListTopicSubscriptionsRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListTopicSubscriptionsRequest other =
-        (com.google.pubsub.v1.ListTopicSubscriptionsRequest) obj;
+    com.google.pubsub.v1.ListTopicSubscriptionsRequest other = (com.google.pubsub.v1.ListTopicSubscriptionsRequest) obj;
 
-    if (!getTopic().equals(other.getTopic())) return false;
-    if (getPageSize() != other.getPageSize()) return false;
-    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getTopic()
+        .equals(other.getTopic())) return false;
+    if (getPageSize()
+        != other.getPageSize()) return false;
+    if (!getPageToken()
+        .equals(other.getPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -276,135 +245,131 @@ public int hashCode() {
   }
 
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
-      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListTopicSubscriptionsRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ListTopicSubscriptions` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListTopicSubscriptionsRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListTopicSubscriptionsRequest)
       com.google.pubsub.v1.ListTopicSubscriptionsRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListTopicSubscriptionsRequest.class,
-              com.google.pubsub.v1.ListTopicSubscriptionsRequest.Builder.class);
+              com.google.pubsub.v1.ListTopicSubscriptionsRequest.class, com.google.pubsub.v1.ListTopicSubscriptionsRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListTopicSubscriptionsRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -416,9 +381,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor;
     }
 
     @java.lang.Override
@@ -437,11 +402,8 @@ public com.google.pubsub.v1.ListTopicSubscriptionsRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListTopicSubscriptionsRequest buildPartial() {
-      com.google.pubsub.v1.ListTopicSubscriptionsRequest result =
-          new com.google.pubsub.v1.ListTopicSubscriptionsRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListTopicSubscriptionsRequest result = new com.google.pubsub.v1.ListTopicSubscriptionsRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -463,39 +425,38 @@ private void buildPartial0(com.google.pubsub.v1.ListTopicSubscriptionsRequest re
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListTopicSubscriptionsRequest) {
-        return mergeFrom((com.google.pubsub.v1.ListTopicSubscriptionsRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ListTopicSubscriptionsRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -503,8 +464,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     }
 
     public Builder mergeFrom(com.google.pubsub.v1.ListTopicSubscriptionsRequest other) {
-      if (other == com.google.pubsub.v1.ListTopicSubscriptionsRequest.getDefaultInstance())
-        return this;
+      if (other == com.google.pubsub.v1.ListTopicSubscriptionsRequest.getDefaultInstance()) return this;
       if (!other.getTopic().isEmpty()) {
         topic_ = other.topic_;
         bitField0_ |= 0x00000001;
@@ -544,31 +504,27 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                topic_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                pageSize_ = input.readInt32();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 26:
-              {
-                pageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              topic_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              pageSize_ = input.readInt32();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 26: {
+              pageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -578,28 +534,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object topic_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the topic that subscriptions are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The topic.
      */
     public java.lang.String getTopic() {
       java.lang.Object ref = topic_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         topic_ = s;
         return s;
@@ -608,24 +559,21 @@ public java.lang.String getTopic() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic that subscriptions are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for topic.
      */
-    public com.google.protobuf.ByteString getTopicBytes() {
+    public com.google.protobuf.ByteString
+        getTopicBytes() {
       java.lang.Object ref = topic_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         topic_ = b;
         return b;
       } else {
@@ -633,41 +581,30 @@ public com.google.protobuf.ByteString getTopicBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic that subscriptions are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopic(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopic(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       topic_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic that subscriptions are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearTopic() {
@@ -677,24 +614,18 @@ public Builder clearTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic that subscriptions are attached to.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopicBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       topic_ = value;
       bitField0_ |= 0x00000001;
@@ -702,16 +633,13 @@ public Builder setTopicBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private int pageSize_;
+    private int pageSize_ ;
     /**
-     *
-     *
      * 
        -     * Maximum number of subscription names to return.
+     * Optional. Maximum number of subscription names to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageSize.
      */
     @java.lang.Override
@@ -719,14 +647,11 @@ public int getPageSize() {
       return pageSize_;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of subscription names to return.
+     * Optional. Maximum number of subscription names to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageSize to set.
      * @return This builder for chaining.
      */
@@ -738,14 +663,11 @@ public Builder setPageSize(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of subscription names to return.
+     * Optional. Maximum number of subscription names to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageSize() {
@@ -757,22 +679,20 @@ public Builder clearPageSize() {
 
     private java.lang.Object pageToken_ = "";
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+     * call, and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageToken.
      */
     public java.lang.String getPageToken() {
       java.lang.Object ref = pageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         pageToken_ = s;
         return s;
@@ -781,23 +701,22 @@ public java.lang.String getPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+     * call, and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for pageToken.
      */
-    public com.google.protobuf.ByteString getPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getPageTokenBytes() {
       java.lang.Object ref = pageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         pageToken_ = b;
         return b;
       } else {
@@ -805,39 +724,32 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+     * call, and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+     * call, and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageToken() {
@@ -847,32 +759,28 @@ public Builder clearPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-     * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-     * that the system should return the next page of data.
+     * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+     * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+     * call, and that the system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -882,12 +790,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListTopicSubscriptionsRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListTopicSubscriptionsRequest)
   private static final com.google.pubsub.v1.ListTopicSubscriptionsRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListTopicSubscriptionsRequest();
   }
@@ -896,27 +804,27 @@ public static com.google.pubsub.v1.ListTopicSubscriptionsRequest getDefaultInsta
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListTopicSubscriptionsRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListTopicSubscriptionsRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -931,4 +839,6 @@ public com.google.protobuf.Parser getParserForTyp
   public com.google.pubsub.v1.ListTopicSubscriptionsRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequestOrBuilder.java
new file mode 100644
index 000000000..052168486
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequestOrBuilder.java
@@ -0,0 +1,65 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListTopicSubscriptionsRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicSubscriptionsRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the topic that subscriptions are attached to.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The topic.
+   */
+  java.lang.String getTopic();
+  /**
+   * 
        +   * Required. The name of the topic that subscriptions are attached to.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for topic.
+   */
+  com.google.protobuf.ByteString
+      getTopicBytes();
+
+  /**
+   * 
        +   * Optional. Maximum number of subscription names to return.
+   * 
        
+   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   * 
        +   * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+   * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+   * call, and that the system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+  /**
+   * 
        +   * Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+   * indicates that this is a continuation of a prior `ListTopicSubscriptions`
+   * call, and that the system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString
+      getPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponse.java
similarity index 58%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponse.java
index 2c4b6bc28..4f4fb9c3d 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponse.java
@@ -1,111 +1,86 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ListTopicSubscriptions` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListTopicSubscriptionsResponse}
  */
-public final class ListTopicSubscriptionsResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListTopicSubscriptionsResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListTopicSubscriptionsResponse)
     ListTopicSubscriptionsResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListTopicSubscriptionsResponse.newBuilder() to construct.
-  private ListTopicSubscriptionsResponse(
-      com.google.protobuf.GeneratedMessageV3.Builder builder) {
+  private ListTopicSubscriptionsResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListTopicSubscriptionsResponse() {
-    subscriptions_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    subscriptions_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
     nextPageToken_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListTopicSubscriptionsResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListTopicSubscriptionsResponse.class,
-            com.google.pubsub.v1.ListTopicSubscriptionsResponse.Builder.class);
+            com.google.pubsub.v1.ListTopicSubscriptionsResponse.class, com.google.pubsub.v1.ListTopicSubscriptionsResponse.Builder.class);
   }
 
   public static final int SUBSCRIPTIONS_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private com.google.protobuf.LazyStringArrayList subscriptions_ =
       com.google.protobuf.LazyStringArrayList.emptyList();
   /**
-   *
-   *
    * 
        -   * The names of subscriptions attached to the topic specified in the request.
+   * Optional. The names of subscriptions attached to the topic specified in the
+   * request.
    * 
        
    *
-   * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-   *
+   * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return A list containing the subscriptions.
    */
-  public com.google.protobuf.ProtocolStringList getSubscriptionsList() {
+  public com.google.protobuf.ProtocolStringList
+      getSubscriptionsList() {
     return subscriptions_;
   }
   /**
-   *
-   *
    * 
        -   * The names of subscriptions attached to the topic specified in the request.
+   * Optional. The names of subscriptions attached to the topic specified in the
+   * request.
    * 
        
    *
-   * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-   *
+   * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The count of subscriptions.
    */
   public int getSubscriptionsCount() {
     return subscriptions_.size();
   }
   /**
-   *
-   *
    * 
        -   * The names of subscriptions attached to the topic specified in the request.
+   * Optional. The names of subscriptions attached to the topic specified in the
+   * request.
    * 
        
    *
-   * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-   *
+   * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @param index The index of the element to return.
    * @return The subscriptions at the given index.
    */
@@ -113,36 +88,31 @@ public java.lang.String getSubscriptions(int index) {
     return subscriptions_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * The names of subscriptions attached to the topic specified in the request.
+   * Optional. The names of subscriptions attached to the topic specified in the
+   * request.
    * 
        
    *
-   * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-   *
+   * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @param index The index of the value to return.
    * @return The bytes of the subscriptions at the given index.
    */
-  public com.google.protobuf.ByteString getSubscriptionsBytes(int index) {
+  public com.google.protobuf.ByteString
+      getSubscriptionsBytes(int index) {
     return subscriptions_.getByteString(index);
   }
 
   public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object nextPageToken_ = "";
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more subscriptions that match
-   * the request; this value should be passed in a new
+   * Optional. If not empty, indicates that there may be more subscriptions that
+   * match the request; this value should be passed in a new
    * `ListTopicSubscriptionsRequest` to get more subscriptions.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The nextPageToken.
    */
   @java.lang.Override
@@ -151,31 +121,31 @@ public java.lang.String getNextPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       nextPageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more subscriptions that match
-   * the request; this value should be passed in a new
+   * Optional. If not empty, indicates that there may be more subscriptions that
+   * match the request; this value should be passed in a new
    * `ListTopicSubscriptionsRequest` to get more subscriptions.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for nextPageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getNextPageTokenBytes() {
     java.lang.Object ref = nextPageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       nextPageToken_ = b;
       return b;
     } else {
@@ -184,7 +154,6 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -196,7 +165,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < subscriptions_.size(); i++) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscriptions_.getRaw(i));
     }
@@ -231,16 +201,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListTopicSubscriptionsResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ListTopicSubscriptionsResponse other =
-        (com.google.pubsub.v1.ListTopicSubscriptionsResponse) obj;
+    com.google.pubsub.v1.ListTopicSubscriptionsResponse other = (com.google.pubsub.v1.ListTopicSubscriptionsResponse) obj;
 
-    if (!getSubscriptionsList().equals(other.getSubscriptionsList())) return false;
-    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getSubscriptionsList()
+        .equals(other.getSubscriptionsList())) return false;
+    if (!getNextPageToken()
+        .equals(other.getNextPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -264,148 +235,145 @@ public int hashCode() {
   }
 
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
-      java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+      java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicSubscriptionsResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListTopicSubscriptionsResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ListTopicSubscriptions` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListTopicSubscriptionsResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListTopicSubscriptionsResponse)
       com.google.pubsub.v1.ListTopicSubscriptionsResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListTopicSubscriptionsResponse.class,
-              com.google.pubsub.v1.ListTopicSubscriptionsResponse.Builder.class);
+              com.google.pubsub.v1.ListTopicSubscriptionsResponse.class, com.google.pubsub.v1.ListTopicSubscriptionsResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListTopicSubscriptionsResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
       bitField0_ = 0;
-      subscriptions_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      subscriptions_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
       nextPageToken_ = "";
       return this;
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor;
     }
 
     @java.lang.Override
@@ -424,11 +392,8 @@ public com.google.pubsub.v1.ListTopicSubscriptionsResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListTopicSubscriptionsResponse buildPartial() {
-      com.google.pubsub.v1.ListTopicSubscriptionsResponse result =
-          new com.google.pubsub.v1.ListTopicSubscriptionsResponse(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListTopicSubscriptionsResponse result = new com.google.pubsub.v1.ListTopicSubscriptionsResponse(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -448,39 +413,38 @@ private void buildPartial0(com.google.pubsub.v1.ListTopicSubscriptionsResponse r
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListTopicSubscriptionsResponse) {
-        return mergeFrom((com.google.pubsub.v1.ListTopicSubscriptionsResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ListTopicSubscriptionsResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -488,8 +452,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
     }
 
     public Builder mergeFrom(com.google.pubsub.v1.ListTopicSubscriptionsResponse other) {
-      if (other == com.google.pubsub.v1.ListTopicSubscriptionsResponse.getDefaultInstance())
-        return this;
+      if (other == com.google.pubsub.v1.ListTopicSubscriptionsResponse.getDefaultInstance()) return this;
       if (!other.subscriptions_.isEmpty()) {
         if (subscriptions_.isEmpty()) {
           subscriptions_ = other.subscriptions_;
@@ -531,26 +494,23 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureSubscriptionsIsMutable();
-                subscriptions_.add(s);
-                break;
-              } // case 10
-            case 18:
-              {
-                nextPageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+              ensureSubscriptionsIsMutable();
+              subscriptions_.add(s);
+              break;
+            } // case 10
+            case 18: {
+              nextPageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -560,12 +520,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.protobuf.LazyStringArrayList subscriptions_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
-
     private void ensureSubscriptionsIsMutable() {
       if (!subscriptions_.isModifiable()) {
         subscriptions_ = new com.google.protobuf.LazyStringArrayList(subscriptions_);
@@ -573,43 +531,38 @@ private void ensureSubscriptionsIsMutable() {
       bitField0_ |= 0x00000001;
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return A list containing the subscriptions.
      */
-    public com.google.protobuf.ProtocolStringList getSubscriptionsList() {
+    public com.google.protobuf.ProtocolStringList
+        getSubscriptionsList() {
       subscriptions_.makeImmutable();
       return subscriptions_;
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return The count of subscriptions.
      */
     public int getSubscriptionsCount() {
       return subscriptions_.size();
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param index The index of the element to return.
      * @return The subscriptions at the given index.
      */
@@ -617,37 +570,33 @@ public java.lang.String getSubscriptions(int index) {
       return subscriptions_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param index The index of the value to return.
      * @return The bytes of the subscriptions at the given index.
      */
-    public com.google.protobuf.ByteString getSubscriptionsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getSubscriptionsBytes(int index) {
       return subscriptions_.getByteString(index);
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param index The index to set the value at.
      * @param value The subscriptions to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptions(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptions(
+        int index, java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureSubscriptionsIsMutable();
       subscriptions_.set(index, value);
       bitField0_ |= 0x00000001;
@@ -655,21 +604,18 @@ public Builder setSubscriptions(int index, java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param value The subscriptions to add.
      * @return This builder for chaining.
      */
-    public Builder addSubscriptions(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addSubscriptions(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureSubscriptionsIsMutable();
       subscriptions_.add(value);
       bitField0_ |= 0x00000001;
@@ -677,58 +623,53 @@ public Builder addSubscriptions(java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param values The subscriptions to add.
      * @return This builder for chaining.
      */
-    public Builder addAllSubscriptions(java.lang.Iterable values) {
+    public Builder addAllSubscriptions(
+        java.lang.Iterable values) {
       ensureSubscriptionsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, subscriptions_);
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, subscriptions_);
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscriptions() {
-      subscriptions_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000001);
-      ;
+      subscriptions_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000001);;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The names of subscriptions attached to the topic specified in the request.
+     * Optional. The names of subscriptions attached to the topic specified in the
+     * request.
      * 
        
      *
-     * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-     *
+     * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param value The bytes of the subscriptions to add.
      * @return This builder for chaining.
      */
-    public Builder addSubscriptionsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addSubscriptionsBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       ensureSubscriptionsIsMutable();
       subscriptions_.add(value);
@@ -739,22 +680,20 @@ public Builder addSubscriptionsBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object nextPageToken_ = "";
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListTopicSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The nextPageToken.
      */
     public java.lang.String getNextPageToken() {
       java.lang.Object ref = nextPageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         nextPageToken_ = s;
         return s;
@@ -763,23 +702,22 @@ public java.lang.String getNextPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListTopicSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for nextPageToken.
      */
-    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getNextPageTokenBytes() {
       java.lang.Object ref = nextPageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         nextPageToken_ = b;
         return b;
       } else {
@@ -787,39 +725,32 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListTopicSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListTopicSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearNextPageToken() {
@@ -829,32 +760,28 @@ public Builder clearNextPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more subscriptions that match
-     * the request; this value should be passed in a new
+     * Optional. If not empty, indicates that there may be more subscriptions that
+     * match the request; this value should be passed in a new
      * `ListTopicSubscriptionsRequest` to get more subscriptions.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -864,12 +791,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListTopicSubscriptionsResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListTopicSubscriptionsResponse)
   private static final com.google.pubsub.v1.ListTopicSubscriptionsResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListTopicSubscriptionsResponse();
   }
@@ -878,27 +805,27 @@ public static com.google.pubsub.v1.ListTopicSubscriptionsResponse getDefaultInst
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListTopicSubscriptionsResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListTopicSubscriptionsResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -913,4 +840,6 @@ public com.google.protobuf.Parser getParserForTy
   public com.google.pubsub.v1.ListTopicSubscriptionsResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponseOrBuilder.java
new file mode 100644
index 000000000..a0f4ddfba
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponseOrBuilder.java
@@ -0,0 +1,78 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListTopicSubscriptionsResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicSubscriptionsResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The names of subscriptions attached to the topic specified in the
+   * request.
+   * 
        
+   *
+   * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * @return A list containing the subscriptions.
+   */
+  java.util.List
+      getSubscriptionsList();
+  /**
+   * 
        +   * Optional. The names of subscriptions attached to the topic specified in the
+   * request.
+   * 
        
+   *
+   * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * @return The count of subscriptions.
+   */
+  int getSubscriptionsCount();
+  /**
+   * 
        +   * Optional. The names of subscriptions attached to the topic specified in the
+   * request.
+   * 
        
+   *
+   * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * @param index The index of the element to return.
+   * @return The subscriptions at the given index.
+   */
+  java.lang.String getSubscriptions(int index);
+  /**
+   * 
        +   * Optional. The names of subscriptions attached to the topic specified in the
+   * request.
+   * 
        
+   *
+   * repeated string subscriptions = 1 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
+   * @param index The index of the value to return.
+   * @return The bytes of the subscriptions at the given index.
+   */
+  com.google.protobuf.ByteString
+      getSubscriptionsBytes(int index);
+
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more subscriptions that
+   * match the request; this value should be passed in a new
+   * `ListTopicSubscriptionsRequest` to get more subscriptions.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more subscriptions that
+   * match the request; this value should be passed in a new
+   * `ListTopicSubscriptionsRequest` to get more subscriptions.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString
+      getNextPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequest.java
similarity index 60%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequest.java
index 97a3bd71e..92bf7cff4 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ListTopics` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListTopicsRequest}
  */
-public final class ListTopicsRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListTopicsRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListTopicsRequest)
     ListTopicsRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListTopicsRequest.newBuilder() to construct.
   private ListTopicsRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListTopicsRequest() {
     project_ = "";
     pageToken_ = "";
@@ -44,41 +26,34 @@ private ListTopicsRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListTopicsRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicsRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicsRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListTopicsRequest.class,
-            com.google.pubsub.v1.ListTopicsRequest.Builder.class);
+            com.google.pubsub.v1.ListTopicsRequest.class, com.google.pubsub.v1.ListTopicsRequest.Builder.class);
   }
 
   public static final int PROJECT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object project_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list topics.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The project.
    */
   @java.lang.Override
@@ -87,32 +62,30 @@ public java.lang.String getProject() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       project_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to list topics.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for project.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getProjectBytes() {
+  public com.google.protobuf.ByteString
+      getProjectBytes() {
     java.lang.Object ref = project_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       project_ = b;
       return b;
     } else {
@@ -123,14 +96,11 @@ public com.google.protobuf.ByteString getProjectBytes() {
   public static final int PAGE_SIZE_FIELD_NUMBER = 2;
   private int pageSize_ = 0;
   /**
-   *
-   *
    * 
        -   * Maximum number of topics to return.
+   * Optional. Maximum number of topics to return.
    * 
        
    *
-   * int32 page_size = 2;
-   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageSize.
    */
   @java.lang.Override
@@ -139,20 +109,16 @@ public int getPageSize() {
   }
 
   public static final int PAGE_TOKEN_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object pageToken_ = "";
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListTopicsResponse`; indicates that this is
-   * a continuation of a prior `ListTopics` call, and that the system should
-   * return the next page of data.
+   * Optional. The value returned by the last `ListTopicsResponse`; indicates
+   * that this is a continuation of a prior `ListTopics` call, and that the
+   * system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pageToken.
    */
   @java.lang.Override
@@ -161,31 +127,31 @@ public java.lang.String getPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       pageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The value returned by the last `ListTopicsResponse`; indicates that this is
-   * a continuation of a prior `ListTopics` call, and that the system should
-   * return the next page of data.
+   * Optional. The value returned by the last `ListTopicsResponse`; indicates
+   * that this is a continuation of a prior `ListTopics` call, and that the
+   * system should return the next page of data.
    * 
        
    *
-   * string page_token = 3;
-   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for pageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getPageTokenBytes() {
     java.lang.Object ref = pageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       pageToken_ = b;
       return b;
     } else {
@@ -194,7 +160,6 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -206,7 +171,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(project_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, project_);
     }
@@ -229,7 +195,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, project_);
     }
     if (pageSize_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(2, pageSize_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(2, pageSize_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, pageToken_);
@@ -242,16 +209,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListTopicsRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.ListTopicsRequest other = (com.google.pubsub.v1.ListTopicsRequest) obj;
 
-    if (!getProject().equals(other.getProject())) return false;
-    if (getPageSize() != other.getPageSize()) return false;
-    if (!getPageToken().equals(other.getPageToken())) return false;
+    if (!getProject()
+        .equals(other.getProject())) return false;
+    if (getPageSize()
+        != other.getPageSize()) return false;
+    if (!getPageToken()
+        .equals(other.getPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -274,136 +244,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListTopicsRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListTopicsRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.ListTopicsRequest parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListTopicsRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicsRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListTopicsRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ListTopics` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListTopicsRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListTopicsRequest)
       com.google.pubsub.v1.ListTopicsRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicsRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicsRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListTopicsRequest.class,
-              com.google.pubsub.v1.ListTopicsRequest.Builder.class);
+              com.google.pubsub.v1.ListTopicsRequest.class, com.google.pubsub.v1.ListTopicsRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListTopicsRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -415,9 +381,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicsRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsRequest_descriptor;
     }
 
     @java.lang.Override
@@ -436,11 +402,8 @@ public com.google.pubsub.v1.ListTopicsRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListTopicsRequest buildPartial() {
-      com.google.pubsub.v1.ListTopicsRequest result =
-          new com.google.pubsub.v1.ListTopicsRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ListTopicsRequest result = new com.google.pubsub.v1.ListTopicsRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -462,39 +425,38 @@ private void buildPartial0(com.google.pubsub.v1.ListTopicsRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListTopicsRequest) {
-        return mergeFrom((com.google.pubsub.v1.ListTopicsRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ListTopicsRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -542,31 +504,27 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                project_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                pageSize_ = input.readInt32();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 26:
-              {
-                pageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              project_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              pageSize_ = input.readInt32();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 26: {
+              pageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -576,28 +534,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object project_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list topics.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The project.
      */
     public java.lang.String getProject() {
       java.lang.Object ref = project_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         project_ = s;
         return s;
@@ -606,24 +559,21 @@ public java.lang.String getProject() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list topics.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for project.
      */
-    public com.google.protobuf.ByteString getProjectBytes() {
+    public com.google.protobuf.ByteString
+        getProjectBytes() {
       java.lang.Object ref = project_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         project_ = b;
         return b;
       } else {
@@ -631,41 +581,30 @@ public com.google.protobuf.ByteString getProjectBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list topics.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The project to set.
      * @return This builder for chaining.
      */
-    public Builder setProject(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setProject(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       project_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list topics.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearProject() {
@@ -675,24 +614,18 @@ public Builder clearProject() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to list topics.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for project to set.
      * @return This builder for chaining.
      */
-    public Builder setProjectBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setProjectBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       project_ = value;
       bitField0_ |= 0x00000001;
@@ -700,16 +633,13 @@ public Builder setProjectBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private int pageSize_;
+    private int pageSize_ ;
     /**
-     *
-     *
      * 
        -     * Maximum number of topics to return.
+     * Optional. Maximum number of topics to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageSize.
      */
     @java.lang.Override
@@ -717,14 +647,11 @@ public int getPageSize() {
       return pageSize_;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of topics to return.
+     * Optional. Maximum number of topics to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageSize to set.
      * @return This builder for chaining.
      */
@@ -736,14 +663,11 @@ public Builder setPageSize(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Maximum number of topics to return.
+     * Optional. Maximum number of topics to return.
      * 
        
      *
-     * int32 page_size = 2;
-     *
+     * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageSize() {
@@ -755,22 +679,20 @@ public Builder clearPageSize() {
 
     private java.lang.Object pageToken_ = "";
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicsResponse`; indicates that this is
-     * a continuation of a prior `ListTopics` call, and that the system should
-     * return the next page of data.
+     * Optional. The value returned by the last `ListTopicsResponse`; indicates
+     * that this is a continuation of a prior `ListTopics` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pageToken.
      */
     public java.lang.String getPageToken() {
       java.lang.Object ref = pageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         pageToken_ = s;
         return s;
@@ -779,23 +701,22 @@ public java.lang.String getPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicsResponse`; indicates that this is
-     * a continuation of a prior `ListTopics` call, and that the system should
-     * return the next page of data.
+     * Optional. The value returned by the last `ListTopicsResponse`; indicates
+     * that this is a continuation of a prior `ListTopics` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for pageToken.
      */
-    public com.google.protobuf.ByteString getPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getPageTokenBytes() {
       java.lang.Object ref = pageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         pageToken_ = b;
         return b;
       } else {
@@ -803,39 +724,32 @@ public com.google.protobuf.ByteString getPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicsResponse`; indicates that this is
-     * a continuation of a prior `ListTopics` call, and that the system should
-     * return the next page of data.
+     * Optional. The value returned by the last `ListTopicsResponse`; indicates
+     * that this is a continuation of a prior `ListTopics` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicsResponse`; indicates that this is
-     * a continuation of a prior `ListTopics` call, and that the system should
-     * return the next page of data.
+     * Optional. The value returned by the last `ListTopicsResponse`; indicates
+     * that this is a continuation of a prior `ListTopics` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPageToken() {
@@ -845,32 +759,28 @@ public Builder clearPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The value returned by the last `ListTopicsResponse`; indicates that this is
-     * a continuation of a prior `ListTopics` call, and that the system should
-     * return the next page of data.
+     * Optional. The value returned by the last `ListTopicsResponse`; indicates
+     * that this is a continuation of a prior `ListTopics` call, and that the
+     * system should return the next page of data.
      * 
        
      *
-     * string page_token = 3;
-     *
+     * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for pageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       pageToken_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -880,12 +790,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListTopicsRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListTopicsRequest)
   private static final com.google.pubsub.v1.ListTopicsRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListTopicsRequest();
   }
@@ -894,27 +804,27 @@ public static com.google.pubsub.v1.ListTopicsRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListTopicsRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListTopicsRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -929,4 +839,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ListTopicsRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequestOrBuilder.java
new file mode 100644
index 000000000..4b5b3e89a
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequestOrBuilder.java
@@ -0,0 +1,65 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListTopicsRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicsRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the project in which to list topics.
+   * Format is `projects/{project-id}`.
+   * 
        
+   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The project.
+   */
+  java.lang.String getProject();
+  /**
+   * 
        +   * Required. The name of the project in which to list topics.
+   * Format is `projects/{project-id}`.
+   * 
        
+   *
+   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for project.
+   */
+  com.google.protobuf.ByteString
+      getProjectBytes();
+
+  /**
+   * 
        +   * Optional. Maximum number of topics to return.
+   * 
        
+   *
+   * int32 page_size = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageSize.
+   */
+  int getPageSize();
+
+  /**
+   * 
        +   * Optional. The value returned by the last `ListTopicsResponse`; indicates
+   * that this is a continuation of a prior `ListTopics` call, and that the
+   * system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The pageToken.
+   */
+  java.lang.String getPageToken();
+  /**
+   * 
        +   * Optional. The value returned by the last `ListTopicsResponse`; indicates
+   * that this is a continuation of a prior `ListTopics` call, and that the
+   * system should return the next page of data.
+   * 
        
+   *
+   * string page_token = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for pageToken.
+   */
+  com.google.protobuf.ByteString
+      getPageTokenBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponse.java
similarity index 59%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponse.java
index 9cbb1a594..921420759 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponse.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ListTopics` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ListTopicsResponse}
  */
-public final class ListTopicsResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ListTopicsResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ListTopicsResponse)
     ListTopicsResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ListTopicsResponse.newBuilder() to construct.
   private ListTopicsResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ListTopicsResponse() {
     topics_ = java.util.Collections.emptyList();
     nextPageToken_ = "";
@@ -44,109 +26,95 @@ private ListTopicsResponse() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ListTopicsResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicsResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ListTopicsResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ListTopicsResponse.class,
-            com.google.pubsub.v1.ListTopicsResponse.Builder.class);
+            com.google.pubsub.v1.ListTopicsResponse.class, com.google.pubsub.v1.ListTopicsResponse.Builder.class);
   }
 
   public static final int TOPICS_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private java.util.List topics_;
   /**
-   *
-   *
    * 
        -   * The resulting topics.
+   * Optional. The resulting topics.
    * 
        
    *
-   * repeated .google.pubsub.v1.Topic topics = 1;
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.List getTopicsList() {
     return topics_;
   }
   /**
-   *
-   *
    * 
        -   * The resulting topics.
+   * Optional. The resulting topics.
    * 
        
    *
-   * repeated .google.pubsub.v1.Topic topics = 1;
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.util.List getTopicsOrBuilderList() {
+  public java.util.List 
+      getTopicsOrBuilderList() {
     return topics_;
   }
   /**
-   *
-   *
    * 
        -   * The resulting topics.
+   * Optional. The resulting topics.
    * 
        
    *
-   * repeated .google.pubsub.v1.Topic topics = 1;
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public int getTopicsCount() {
     return topics_.size();
   }
   /**
-   *
-   *
    * 
        -   * The resulting topics.
+   * Optional. The resulting topics.
    * 
        
    *
-   * repeated .google.pubsub.v1.Topic topics = 1;
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.Topic getTopics(int index) {
     return topics_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * The resulting topics.
+   * Optional. The resulting topics.
    * 
        
    *
-   * repeated .google.pubsub.v1.Topic topics = 1;
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.TopicOrBuilder getTopicsOrBuilder(int index) {
+  public com.google.pubsub.v1.TopicOrBuilder getTopicsOrBuilder(
+      int index) {
     return topics_.get(index);
   }
 
   public static final int NEXT_PAGE_TOKEN_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object nextPageToken_ = "";
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more topics that match the
-   * request; this value should be passed in a new `ListTopicsRequest`.
+   * Optional. If not empty, indicates that there may be more topics that match
+   * the request; this value should be passed in a new `ListTopicsRequest`.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The nextPageToken.
    */
   @java.lang.Override
@@ -155,30 +123,30 @@ public java.lang.String getNextPageToken() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       nextPageToken_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * If not empty, indicates that there may be more topics that match the
-   * request; this value should be passed in a new `ListTopicsRequest`.
+   * Optional. If not empty, indicates that there may be more topics that match
+   * the request; this value should be passed in a new `ListTopicsRequest`.
    * 
        
    *
-   * string next_page_token = 2;
-   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for nextPageToken.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNextPageTokenBytes() {
+  public com.google.protobuf.ByteString
+      getNextPageTokenBytes() {
     java.lang.Object ref = nextPageToken_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       nextPageToken_ = b;
       return b;
     } else {
@@ -187,7 +155,6 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -199,7 +166,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < topics_.size(); i++) {
       output.writeMessage(1, topics_.get(i));
     }
@@ -216,7 +184,8 @@ public int getSerializedSize() {
 
     size = 0;
     for (int i = 0; i < topics_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, topics_.get(i));
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, topics_.get(i));
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(nextPageToken_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, nextPageToken_);
@@ -229,15 +198,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ListTopicsResponse)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.ListTopicsResponse other = (com.google.pubsub.v1.ListTopicsResponse) obj;
 
-    if (!getTopicsList().equals(other.getTopicsList())) return false;
-    if (!getNextPageToken().equals(other.getNextPageToken())) return false;
+    if (!getTopicsList()
+        .equals(other.getTopicsList())) return false;
+    if (!getNextPageToken()
+        .equals(other.getNextPageToken())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -260,136 +231,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ListTopicsResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ListTopicsResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ListTopicsResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ListTopicsResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ListTopicsResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ListTopicsResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ListTopicsResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ListTopics` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ListTopicsResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ListTopicsResponse)
       com.google.pubsub.v1.ListTopicsResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicsResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicsResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ListTopicsResponse.class,
-              com.google.pubsub.v1.ListTopicsResponse.Builder.class);
+              com.google.pubsub.v1.ListTopicsResponse.class, com.google.pubsub.v1.ListTopicsResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ListTopicsResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -406,9 +373,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ListTopicsResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ListTopicsResponse_descriptor;
     }
 
     @java.lang.Override
@@ -427,12 +394,9 @@ public com.google.pubsub.v1.ListTopicsResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ListTopicsResponse buildPartial() {
-      com.google.pubsub.v1.ListTopicsResponse result =
-          new com.google.pubsub.v1.ListTopicsResponse(this);
+      com.google.pubsub.v1.ListTopicsResponse result = new com.google.pubsub.v1.ListTopicsResponse(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -460,39 +424,38 @@ private void buildPartial0(com.google.pubsub.v1.ListTopicsResponse result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ListTopicsResponse) {
-        return mergeFrom((com.google.pubsub.v1.ListTopicsResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ListTopicsResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -519,10 +482,9 @@ public Builder mergeFrom(com.google.pubsub.v1.ListTopicsResponse other) {
             topicsBuilder_ = null;
             topics_ = other.topics_;
             bitField0_ = (bitField0_ & ~0x00000001);
-            topicsBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getTopicsFieldBuilder()
-                    : null;
+            topicsBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getTopicsFieldBuilder() : null;
           } else {
             topicsBuilder_.addAllMessages(other.topics_);
           }
@@ -559,31 +521,30 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                com.google.pubsub.v1.Topic m =
-                    input.readMessage(com.google.pubsub.v1.Topic.parser(), extensionRegistry);
-                if (topicsBuilder_ == null) {
-                  ensureTopicsIsMutable();
-                  topics_.add(m);
-                } else {
-                  topicsBuilder_.addMessage(m);
-                }
-                break;
-              } // case 10
-            case 18:
-              {
-                nextPageToken_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              com.google.pubsub.v1.Topic m =
+                  input.readMessage(
+                      com.google.pubsub.v1.Topic.parser(),
+                      extensionRegistry);
+              if (topicsBuilder_ == null) {
+                ensureTopicsIsMutable();
+                topics_.add(m);
+              } else {
+                topicsBuilder_.addMessage(m);
+              }
+              break;
+            } // case 10
+            case 18: {
+              nextPageToken_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -593,32 +554,26 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
-    private java.util.List topics_ = java.util.Collections.emptyList();
-
+    private java.util.List topics_ =
+      java.util.Collections.emptyList();
     private void ensureTopicsIsMutable() {
       if (!((bitField0_ & 0x00000001) != 0)) {
         topics_ = new java.util.ArrayList(topics_);
         bitField0_ |= 0x00000001;
-      }
+       }
     }
 
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Topic,
-            com.google.pubsub.v1.Topic.Builder,
-            com.google.pubsub.v1.TopicOrBuilder>
-        topicsBuilder_;
+        com.google.pubsub.v1.Topic, com.google.pubsub.v1.Topic.Builder, com.google.pubsub.v1.TopicOrBuilder> topicsBuilder_;
 
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public java.util.List getTopicsList() {
       if (topicsBuilder_ == null) {
@@ -628,13 +583,11 @@ public java.util.List getTopicsList() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public int getTopicsCount() {
       if (topicsBuilder_ == null) {
@@ -644,13 +597,11 @@ public int getTopicsCount() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.Topic getTopics(int index) {
       if (topicsBuilder_ == null) {
@@ -660,15 +611,14 @@ public com.google.pubsub.v1.Topic getTopics(int index) {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setTopics(int index, com.google.pubsub.v1.Topic value) {
+    public Builder setTopics(
+        int index, com.google.pubsub.v1.Topic value) {
       if (topicsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -682,15 +632,14 @@ public Builder setTopics(int index, com.google.pubsub.v1.Topic value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setTopics(int index, com.google.pubsub.v1.Topic.Builder builderForValue) {
+    public Builder setTopics(
+        int index, com.google.pubsub.v1.Topic.Builder builderForValue) {
       if (topicsBuilder_ == null) {
         ensureTopicsIsMutable();
         topics_.set(index, builderForValue.build());
@@ -701,13 +650,11 @@ public Builder setTopics(int index, com.google.pubsub.v1.Topic.Builder builderFo
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addTopics(com.google.pubsub.v1.Topic value) {
       if (topicsBuilder_ == null) {
@@ -723,15 +670,14 @@ public Builder addTopics(com.google.pubsub.v1.Topic value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addTopics(int index, com.google.pubsub.v1.Topic value) {
+    public Builder addTopics(
+        int index, com.google.pubsub.v1.Topic value) {
       if (topicsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -745,15 +691,14 @@ public Builder addTopics(int index, com.google.pubsub.v1.Topic value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addTopics(com.google.pubsub.v1.Topic.Builder builderForValue) {
+    public Builder addTopics(
+        com.google.pubsub.v1.Topic.Builder builderForValue) {
       if (topicsBuilder_ == null) {
         ensureTopicsIsMutable();
         topics_.add(builderForValue.build());
@@ -764,15 +709,14 @@ public Builder addTopics(com.google.pubsub.v1.Topic.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addTopics(int index, com.google.pubsub.v1.Topic.Builder builderForValue) {
+    public Builder addTopics(
+        int index, com.google.pubsub.v1.Topic.Builder builderForValue) {
       if (topicsBuilder_ == null) {
         ensureTopicsIsMutable();
         topics_.add(index, builderForValue.build());
@@ -783,18 +727,18 @@ public Builder addTopics(int index, com.google.pubsub.v1.Topic.Builder builderFo
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addAllTopics(java.lang.Iterable values) {
+    public Builder addAllTopics(
+        java.lang.Iterable values) {
       if (topicsBuilder_ == null) {
         ensureTopicsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, topics_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, topics_);
         onChanged();
       } else {
         topicsBuilder_.addAllMessages(values);
@@ -802,13 +746,11 @@ public Builder addAllTopics(java.lang.Iterable
-     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearTopics() {
       if (topicsBuilder_ == null) {
@@ -821,13 +763,11 @@ public Builder clearTopics() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder removeTopics(int index) {
       if (topicsBuilder_ == null) {
@@ -840,43 +780,39 @@ public Builder removeTopics(int index) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.Topic.Builder getTopicsBuilder(int index) {
+    public com.google.pubsub.v1.Topic.Builder getTopicsBuilder(
+        int index) {
       return getTopicsFieldBuilder().getBuilder(index);
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.TopicOrBuilder getTopicsOrBuilder(int index) {
+    public com.google.pubsub.v1.TopicOrBuilder getTopicsOrBuilder(
+        int index) {
       if (topicsBuilder_ == null) {
-        return topics_.get(index);
-      } else {
+        return topics_.get(index);  } else {
         return topicsBuilder_.getMessageOrBuilder(index);
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List getTopicsOrBuilderList() {
+    public java.util.List 
+         getTopicsOrBuilderList() {
       if (topicsBuilder_ != null) {
         return topicsBuilder_.getMessageOrBuilderList();
       } else {
@@ -884,55 +820,49 @@ public java.util.List getTopicsOr
       }
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.Topic.Builder addTopicsBuilder() {
-      return getTopicsFieldBuilder().addBuilder(com.google.pubsub.v1.Topic.getDefaultInstance());
+      return getTopicsFieldBuilder().addBuilder(
+          com.google.pubsub.v1.Topic.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.Topic.Builder addTopicsBuilder(int index) {
-      return getTopicsFieldBuilder()
-          .addBuilder(index, com.google.pubsub.v1.Topic.getDefaultInstance());
+    public com.google.pubsub.v1.Topic.Builder addTopicsBuilder(
+        int index) {
+      return getTopicsFieldBuilder().addBuilder(
+          index, com.google.pubsub.v1.Topic.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * The resulting topics.
+     * Optional. The resulting topics.
      * 
        
      *
-     * repeated .google.pubsub.v1.Topic topics = 1;
+     * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List getTopicsBuilderList() {
+    public java.util.List 
+         getTopicsBuilderList() {
       return getTopicsFieldBuilder().getBuilderList();
     }
-
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.Topic,
-            com.google.pubsub.v1.Topic.Builder,
-            com.google.pubsub.v1.TopicOrBuilder>
+        com.google.pubsub.v1.Topic, com.google.pubsub.v1.Topic.Builder, com.google.pubsub.v1.TopicOrBuilder> 
         getTopicsFieldBuilder() {
       if (topicsBuilder_ == null) {
-        topicsBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.pubsub.v1.Topic,
-                com.google.pubsub.v1.Topic.Builder,
-                com.google.pubsub.v1.TopicOrBuilder>(
-                topics_, ((bitField0_ & 0x00000001) != 0), getParentForChildren(), isClean());
+        topicsBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.pubsub.v1.Topic, com.google.pubsub.v1.Topic.Builder, com.google.pubsub.v1.TopicOrBuilder>(
+                topics_,
+                ((bitField0_ & 0x00000001) != 0),
+                getParentForChildren(),
+                isClean());
         topics_ = null;
       }
       return topicsBuilder_;
@@ -940,21 +870,19 @@ public java.util.List getTopicsBuilderList()
 
     private java.lang.Object nextPageToken_ = "";
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more topics that match the
-     * request; this value should be passed in a new `ListTopicsRequest`.
+     * Optional. If not empty, indicates that there may be more topics that match
+     * the request; this value should be passed in a new `ListTopicsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The nextPageToken.
      */
     public java.lang.String getNextPageToken() {
       java.lang.Object ref = nextPageToken_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         nextPageToken_ = s;
         return s;
@@ -963,22 +891,21 @@ public java.lang.String getNextPageToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more topics that match the
-     * request; this value should be passed in a new `ListTopicsRequest`.
+     * Optional. If not empty, indicates that there may be more topics that match
+     * the request; this value should be passed in a new `ListTopicsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for nextPageToken.
      */
-    public com.google.protobuf.ByteString getNextPageTokenBytes() {
+    public com.google.protobuf.ByteString
+        getNextPageTokenBytes() {
       java.lang.Object ref = nextPageToken_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         nextPageToken_ = b;
         return b;
       } else {
@@ -986,37 +913,30 @@ public com.google.protobuf.ByteString getNextPageTokenBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more topics that match the
-     * request; this value should be passed in a new `ListTopicsRequest`.
+     * Optional. If not empty, indicates that there may be more topics that match
+     * the request; this value should be passed in a new `ListTopicsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageToken(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageToken(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more topics that match the
-     * request; this value should be passed in a new `ListTopicsRequest`.
+     * Optional. If not empty, indicates that there may be more topics that match
+     * the request; this value should be passed in a new `ListTopicsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearNextPageToken() {
@@ -1026,31 +946,27 @@ public Builder clearNextPageToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If not empty, indicates that there may be more topics that match the
-     * request; this value should be passed in a new `ListTopicsRequest`.
+     * Optional. If not empty, indicates that there may be more topics that match
+     * the request; this value should be passed in a new `ListTopicsRequest`.
      * 
        
      *
-     * string next_page_token = 2;
-     *
+     * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for nextPageToken to set.
      * @return This builder for chaining.
      */
-    public Builder setNextPageTokenBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNextPageTokenBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       nextPageToken_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1060,12 +976,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ListTopicsResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ListTopicsResponse)
   private static final com.google.pubsub.v1.ListTopicsResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ListTopicsResponse();
   }
@@ -1074,27 +990,27 @@ public static com.google.pubsub.v1.ListTopicsResponse getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ListTopicsResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ListTopicsResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1109,4 +1025,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ListTopicsResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponseOrBuilder.java
new file mode 100644
index 000000000..0273e4642
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponseOrBuilder.java
@@ -0,0 +1,75 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface ListTopicsResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicsResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The resulting topics.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.List 
+      getTopicsList();
+  /**
+   * 
        +   * Optional. The resulting topics.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.Topic getTopics(int index);
+  /**
+   * 
        +   * Optional. The resulting topics.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  int getTopicsCount();
+  /**
+   * 
        +   * Optional. The resulting topics.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.List 
+      getTopicsOrBuilderList();
+  /**
+   * 
        +   * Optional. The resulting topics.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.Topic topics = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.TopicOrBuilder getTopicsOrBuilder(
+      int index);
+
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more topics that match
+   * the request; this value should be passed in a new `ListTopicsRequest`.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The nextPageToken.
+   */
+  java.lang.String getNextPageToken();
+  /**
+   * 
        +   * Optional. If not empty, indicates that there may be more topics that match
+   * the request; this value should be passed in a new `ListTopicsRequest`.
+   * 
        
+   *
+   * string next_page_token = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for nextPageToken.
+   */
+  com.google.protobuf.ByteString
+      getNextPageTokenBytes();
+}
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicy.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicy.java
new file mode 100644
index 000000000..ece9de718
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicy.java
@@ -0,0 +1,818 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+/**
+ * 
        + * A policy constraining the storage of messages published to the topic.
+ * 
        
+ *
+ * Protobuf type {@code google.pubsub.v1.MessageStoragePolicy}
+ */
+public final class MessageStoragePolicy extends
+    com.google.protobuf.GeneratedMessageV3 implements
+    // @@protoc_insertion_point(message_implements:google.pubsub.v1.MessageStoragePolicy)
+    MessageStoragePolicyOrBuilder {
+private static final long serialVersionUID = 0L;
+  // Use MessageStoragePolicy.newBuilder() to construct.
+  private MessageStoragePolicy(com.google.protobuf.GeneratedMessageV3.Builder builder) {
+    super(builder);
+  }
+  private MessageStoragePolicy() {
+    allowedPersistenceRegions_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+  }
+
+  @java.lang.Override
+  @SuppressWarnings({"unused"})
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
+    return new MessageStoragePolicy();
+  }
+
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor;
+  }
+
+  @java.lang.Override
+  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internalGetFieldAccessorTable() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_MessageStoragePolicy_fieldAccessorTable
+        .ensureFieldAccessorsInitialized(
+            com.google.pubsub.v1.MessageStoragePolicy.class, com.google.pubsub.v1.MessageStoragePolicy.Builder.class);
+  }
+
+  public static final int ALLOWED_PERSISTENCE_REGIONS_FIELD_NUMBER = 1;
+  @SuppressWarnings("serial")
+  private com.google.protobuf.LazyStringArrayList allowedPersistenceRegions_ =
+      com.google.protobuf.LazyStringArrayList.emptyList();
+  /**
+   * 
        +   * Optional. A list of IDs of Google Cloud regions where messages that are
+   * published to the topic may be persisted in storage. Messages published by
+   * publishers running in non-allowed Google Cloud regions (or running outside
+   * of Google Cloud altogether) are routed for storage in one of the allowed
+   * regions. An empty list means that no regions are allowed, and is not a
+   * valid configuration.
+   * 
        
+   *
+   * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return A list containing the allowedPersistenceRegions.
+   */
+  public com.google.protobuf.ProtocolStringList
+      getAllowedPersistenceRegionsList() {
+    return allowedPersistenceRegions_;
+  }
+  /**
+   * 
        +   * Optional. A list of IDs of Google Cloud regions where messages that are
+   * published to the topic may be persisted in storage. Messages published by
+   * publishers running in non-allowed Google Cloud regions (or running outside
+   * of Google Cloud altogether) are routed for storage in one of the allowed
+   * regions. An empty list means that no regions are allowed, and is not a
+   * valid configuration.
+   * 
        
+   *
+   * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The count of allowedPersistenceRegions.
+   */
+  public int getAllowedPersistenceRegionsCount() {
+    return allowedPersistenceRegions_.size();
+  }
+  /**
+   * 
        +   * Optional. A list of IDs of Google Cloud regions where messages that are
+   * published to the topic may be persisted in storage. Messages published by
+   * publishers running in non-allowed Google Cloud regions (or running outside
+   * of Google Cloud altogether) are routed for storage in one of the allowed
+   * regions. An empty list means that no regions are allowed, and is not a
+   * valid configuration.
+   * 
        
+   *
+   * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @param index The index of the element to return.
+   * @return The allowedPersistenceRegions at the given index.
+   */
+  public java.lang.String getAllowedPersistenceRegions(int index) {
+    return allowedPersistenceRegions_.get(index);
+  }
+  /**
+   * 
        +   * Optional. A list of IDs of Google Cloud regions where messages that are
+   * published to the topic may be persisted in storage. Messages published by
+   * publishers running in non-allowed Google Cloud regions (or running outside
+   * of Google Cloud altogether) are routed for storage in one of the allowed
+   * regions. An empty list means that no regions are allowed, and is not a
+   * valid configuration.
+   * 
        
+   *
+   * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @param index The index of the value to return.
+   * @return The bytes of the allowedPersistenceRegions at the given index.
+   */
+  public com.google.protobuf.ByteString
+      getAllowedPersistenceRegionsBytes(int index) {
+    return allowedPersistenceRegions_.getByteString(index);
+  }
+
+  public static final int ENFORCE_IN_TRANSIT_FIELD_NUMBER = 2;
+  private boolean enforceInTransit_ = false;
+  /**
+   * 
        +   * Optional. If true, `allowed_persistence_regions` is also used to enforce
+   * in-transit guarantees for messages. That is, Pub/Sub will fail
+   * Publish operations on this topic and subscribe operations
+   * on any subscription attached to this topic in any region that is
+   * not in `allowed_persistence_regions`.
+   * 
        
+   *
+   * bool enforce_in_transit = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The enforceInTransit.
+   */
+  @java.lang.Override
+  public boolean getEnforceInTransit() {
+    return enforceInTransit_;
+  }
+
+  private byte memoizedIsInitialized = -1;
+  @java.lang.Override
+  public final boolean isInitialized() {
+    byte isInitialized = memoizedIsInitialized;
+    if (isInitialized == 1) return true;
+    if (isInitialized == 0) return false;
+
+    memoizedIsInitialized = 1;
+    return true;
+  }
+
+  @java.lang.Override
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
+    for (int i = 0; i < allowedPersistenceRegions_.size(); i++) {
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, allowedPersistenceRegions_.getRaw(i));
+    }
+    if (enforceInTransit_ != false) {
+      output.writeBool(2, enforceInTransit_);
+    }
+    getUnknownFields().writeTo(output);
+  }
+
+  @java.lang.Override
+  public int getSerializedSize() {
+    int size = memoizedSize;
+    if (size != -1) return size;
+
+    size = 0;
+    {
+      int dataSize = 0;
+      for (int i = 0; i < allowedPersistenceRegions_.size(); i++) {
+        dataSize += computeStringSizeNoTag(allowedPersistenceRegions_.getRaw(i));
+      }
+      size += dataSize;
+      size += 1 * getAllowedPersistenceRegionsList().size();
+    }
+    if (enforceInTransit_ != false) {
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(2, enforceInTransit_);
+    }
+    size += getUnknownFields().getSerializedSize();
+    memoizedSize = size;
+    return size;
+  }
+
+  @java.lang.Override
+  public boolean equals(final java.lang.Object obj) {
+    if (obj == this) {
+     return true;
+    }
+    if (!(obj instanceof com.google.pubsub.v1.MessageStoragePolicy)) {
+      return super.equals(obj);
+    }
+    com.google.pubsub.v1.MessageStoragePolicy other = (com.google.pubsub.v1.MessageStoragePolicy) obj;
+
+    if (!getAllowedPersistenceRegionsList()
+        .equals(other.getAllowedPersistenceRegionsList())) return false;
+    if (getEnforceInTransit()
+        != other.getEnforceInTransit()) return false;
+    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
+    return true;
+  }
+
+  @java.lang.Override
+  public int hashCode() {
+    if (memoizedHashCode != 0) {
+      return memoizedHashCode;
+    }
+    int hash = 41;
+    hash = (19 * hash) + getDescriptor().hashCode();
+    if (getAllowedPersistenceRegionsCount() > 0) {
+      hash = (37 * hash) + ALLOWED_PERSISTENCE_REGIONS_FIELD_NUMBER;
+      hash = (53 * hash) + getAllowedPersistenceRegionsList().hashCode();
+    }
+    hash = (37 * hash) + ENFORCE_IN_TRANSIT_FIELD_NUMBER;
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getEnforceInTransit());
+    hash = (29 * hash) + getUnknownFields().hashCode();
+    memoizedHashCode = hash;
+    return hash;
+  }
+
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
+      java.nio.ByteBuffer data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
+      com.google.protobuf.ByteString data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
+      com.google.protobuf.ByteString data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(byte[] data)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws com.google.protobuf.InvalidProtocolBufferException {
+    return PARSER.parseFrom(data, extensionRegistry);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+
+  public static com.google.pubsub.v1.MessageStoragePolicy parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
+  }
+
+  public static com.google.pubsub.v1.MessageStoragePolicy parseDelimitedFrom(
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
+  }
+  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
+      com.google.protobuf.CodedInputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
+  }
+
+  @java.lang.Override
+  public Builder newBuilderForType() { return newBuilder(); }
+  public static Builder newBuilder() {
+    return DEFAULT_INSTANCE.toBuilder();
+  }
+  public static Builder newBuilder(com.google.pubsub.v1.MessageStoragePolicy prototype) {
+    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
+  }
+  @java.lang.Override
+  public Builder toBuilder() {
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
+  }
+
+  @java.lang.Override
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+    Builder builder = new Builder(parent);
+    return builder;
+  }
+  /**
+   * 
        +   * A policy constraining the storage of messages published to the topic.
+   * 
        
+   *
+   * Protobuf type {@code google.pubsub.v1.MessageStoragePolicy}
+   */
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
+      // @@protoc_insertion_point(builder_implements:google.pubsub.v1.MessageStoragePolicy)
+      com.google.pubsub.v1.MessageStoragePolicyOrBuilder {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor;
+    }
+
+    @java.lang.Override
+    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_MessageStoragePolicy_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              com.google.pubsub.v1.MessageStoragePolicy.class, com.google.pubsub.v1.MessageStoragePolicy.Builder.class);
+    }
+
+    // Construct using com.google.pubsub.v1.MessageStoragePolicy.newBuilder()
+    private Builder() {
+
+    }
+
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
+    @java.lang.Override
+    public Builder clear() {
+      super.clear();
+      bitField0_ = 0;
+      allowedPersistenceRegions_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+      enforceInTransit_ = false;
+      return this;
+    }
+
+    @java.lang.Override
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor;
+    }
+
+    @java.lang.Override
+    public com.google.pubsub.v1.MessageStoragePolicy getDefaultInstanceForType() {
+      return com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance();
+    }
+
+    @java.lang.Override
+    public com.google.pubsub.v1.MessageStoragePolicy build() {
+      com.google.pubsub.v1.MessageStoragePolicy result = buildPartial();
+      if (!result.isInitialized()) {
+        throw newUninitializedMessageException(result);
+      }
+      return result;
+    }
+
+    @java.lang.Override
+    public com.google.pubsub.v1.MessageStoragePolicy buildPartial() {
+      com.google.pubsub.v1.MessageStoragePolicy result = new com.google.pubsub.v1.MessageStoragePolicy(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
+      onBuilt();
+      return result;
+    }
+
+    private void buildPartial0(com.google.pubsub.v1.MessageStoragePolicy result) {
+      int from_bitField0_ = bitField0_;
+      if (((from_bitField0_ & 0x00000001) != 0)) {
+        allowedPersistenceRegions_.makeImmutable();
+        result.allowedPersistenceRegions_ = allowedPersistenceRegions_;
+      }
+      if (((from_bitField0_ & 0x00000002) != 0)) {
+        result.enforceInTransit_ = enforceInTransit_;
+      }
+    }
+
+    @java.lang.Override
+    public Builder clone() {
+      return super.clone();
+    }
+    @java.lang.Override
+    public Builder setField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.setField(field, value);
+    }
+    @java.lang.Override
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
+      return super.clearField(field);
+    }
+    @java.lang.Override
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      return super.clearOneof(oneof);
+    }
+    @java.lang.Override
+    public Builder setRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
+      return super.setRepeatedField(field, index, value);
+    }
+    @java.lang.Override
+    public Builder addRepeatedField(
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
+      return super.addRepeatedField(field, value);
+    }
+    @java.lang.Override
+    public Builder mergeFrom(com.google.protobuf.Message other) {
+      if (other instanceof com.google.pubsub.v1.MessageStoragePolicy) {
+        return mergeFrom((com.google.pubsub.v1.MessageStoragePolicy)other);
+      } else {
+        super.mergeFrom(other);
+        return this;
+      }
+    }
+
+    public Builder mergeFrom(com.google.pubsub.v1.MessageStoragePolicy other) {
+      if (other == com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance()) return this;
+      if (!other.allowedPersistenceRegions_.isEmpty()) {
+        if (allowedPersistenceRegions_.isEmpty()) {
+          allowedPersistenceRegions_ = other.allowedPersistenceRegions_;
+          bitField0_ |= 0x00000001;
+        } else {
+          ensureAllowedPersistenceRegionsIsMutable();
+          allowedPersistenceRegions_.addAll(other.allowedPersistenceRegions_);
+        }
+        onChanged();
+      }
+      if (other.getEnforceInTransit() != false) {
+        setEnforceInTransit(other.getEnforceInTransit());
+      }
+      this.mergeUnknownFields(other.getUnknownFields());
+      onChanged();
+      return this;
+    }
+
+    @java.lang.Override
+    public final boolean isInitialized() {
+      return true;
+    }
+
+    @java.lang.Override
+    public Builder mergeFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      if (extensionRegistry == null) {
+        throw new java.lang.NullPointerException();
+      }
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+              ensureAllowedPersistenceRegionsIsMutable();
+              allowedPersistenceRegions_.add(s);
+              break;
+            } // case 10
+            case 16: {
+              enforceInTransit_ = input.readBool();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
+          } // switch (tag)
+        } // while (!done)
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.unwrapIOException();
+      } finally {
+        onChanged();
+      } // finally
+      return this;
+    }
+    private int bitField0_;
+
+    private com.google.protobuf.LazyStringArrayList allowedPersistenceRegions_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+    private void ensureAllowedPersistenceRegionsIsMutable() {
+      if (!allowedPersistenceRegions_.isModifiable()) {
+        allowedPersistenceRegions_ = new com.google.protobuf.LazyStringArrayList(allowedPersistenceRegions_);
+      }
+      bitField0_ |= 0x00000001;
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @return A list containing the allowedPersistenceRegions.
+     */
+    public com.google.protobuf.ProtocolStringList
+        getAllowedPersistenceRegionsList() {
+      allowedPersistenceRegions_.makeImmutable();
+      return allowedPersistenceRegions_;
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @return The count of allowedPersistenceRegions.
+     */
+    public int getAllowedPersistenceRegionsCount() {
+      return allowedPersistenceRegions_.size();
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @param index The index of the element to return.
+     * @return The allowedPersistenceRegions at the given index.
+     */
+    public java.lang.String getAllowedPersistenceRegions(int index) {
+      return allowedPersistenceRegions_.get(index);
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @param index The index of the value to return.
+     * @return The bytes of the allowedPersistenceRegions at the given index.
+     */
+    public com.google.protobuf.ByteString
+        getAllowedPersistenceRegionsBytes(int index) {
+      return allowedPersistenceRegions_.getByteString(index);
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @param index The index to set the value at.
+     * @param value The allowedPersistenceRegions to set.
+     * @return This builder for chaining.
+     */
+    public Builder setAllowedPersistenceRegions(
+        int index, java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
+      ensureAllowedPersistenceRegionsIsMutable();
+      allowedPersistenceRegions_.set(index, value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @param value The allowedPersistenceRegions to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllowedPersistenceRegions(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
+      ensureAllowedPersistenceRegionsIsMutable();
+      allowedPersistenceRegions_.add(value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @param values The allowedPersistenceRegions to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllAllowedPersistenceRegions(
+        java.lang.Iterable values) {
+      ensureAllowedPersistenceRegionsIsMutable();
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, allowedPersistenceRegions_);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @return This builder for chaining.
+     */
+    public Builder clearAllowedPersistenceRegions() {
+      allowedPersistenceRegions_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000001);;
+      onChanged();
+      return this;
+    }
+    /**
+     * 
        +     * Optional. A list of IDs of Google Cloud regions where messages that are
+     * published to the topic may be persisted in storage. Messages published by
+     * publishers running in non-allowed Google Cloud regions (or running outside
+     * of Google Cloud altogether) are routed for storage in one of the allowed
+     * regions. An empty list means that no regions are allowed, and is not a
+     * valid configuration.
+     * 
        
+     *
+     * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+     * @param value The bytes of the allowedPersistenceRegions to add.
+     * @return This builder for chaining.
+     */
+    public Builder addAllowedPersistenceRegionsBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
+      checkByteStringIsUtf8(value);
+      ensureAllowedPersistenceRegionsIsMutable();
+      allowedPersistenceRegions_.add(value);
+      bitField0_ |= 0x00000001;
+      onChanged();
+      return this;
+    }
+
+    private boolean enforceInTransit_ ;
+    /**
+     * 
        +     * Optional. If true, `allowed_persistence_regions` is also used to enforce
+     * in-transit guarantees for messages. That is, Pub/Sub will fail
+     * Publish operations on this topic and subscribe operations
+     * on any subscription attached to this topic in any region that is
+     * not in `allowed_persistence_regions`.
+     * 
        
+     *
+     * bool enforce_in_transit = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * @return The enforceInTransit.
+     */
+    @java.lang.Override
+    public boolean getEnforceInTransit() {
+      return enforceInTransit_;
+    }
+    /**
+     * 
        +     * Optional. If true, `allowed_persistence_regions` is also used to enforce
+     * in-transit guarantees for messages. That is, Pub/Sub will fail
+     * Publish operations on this topic and subscribe operations
+     * on any subscription attached to this topic in any region that is
+     * not in `allowed_persistence_regions`.
+     * 
        
+     *
+     * bool enforce_in_transit = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * @param value The enforceInTransit to set.
+     * @return This builder for chaining.
+     */
+    public Builder setEnforceInTransit(boolean value) {
+
+      enforceInTransit_ = value;
+      bitField0_ |= 0x00000002;
+      onChanged();
+      return this;
+    }
+    /**
+     * 
        +     * Optional. If true, `allowed_persistence_regions` is also used to enforce
+     * in-transit guarantees for messages. That is, Pub/Sub will fail
+     * Publish operations on this topic and subscribe operations
+     * on any subscription attached to this topic in any region that is
+     * not in `allowed_persistence_regions`.
+     * 
        
+     *
+     * bool enforce_in_transit = 2 [(.google.api.field_behavior) = OPTIONAL];
+     * @return This builder for chaining.
+     */
+    public Builder clearEnforceInTransit() {
+      bitField0_ = (bitField0_ & ~0x00000002);
+      enforceInTransit_ = false;
+      onChanged();
+      return this;
+    }
+    @java.lang.Override
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.setUnknownFields(unknownFields);
+    }
+
+    @java.lang.Override
+    public final Builder mergeUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
+      return super.mergeUnknownFields(unknownFields);
+    }
+
+
+    // @@protoc_insertion_point(builder_scope:google.pubsub.v1.MessageStoragePolicy)
+  }
+
+  // @@protoc_insertion_point(class_scope:google.pubsub.v1.MessageStoragePolicy)
+  private static final com.google.pubsub.v1.MessageStoragePolicy DEFAULT_INSTANCE;
+  static {
+    DEFAULT_INSTANCE = new com.google.pubsub.v1.MessageStoragePolicy();
+  }
+
+  public static com.google.pubsub.v1.MessageStoragePolicy getDefaultInstance() {
+    return DEFAULT_INSTANCE;
+  }
+
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public MessageStoragePolicy parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
+
+  public static com.google.protobuf.Parser parser() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.protobuf.Parser getParserForType() {
+    return PARSER;
+  }
+
+  @java.lang.Override
+  public com.google.pubsub.v1.MessageStoragePolicy getDefaultInstanceForType() {
+    return DEFAULT_INSTANCE;
+  }
+
+}
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicyOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicyOrBuilder.java
new file mode 100644
index 000000000..806c291d8
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicyOrBuilder.java
@@ -0,0 +1,84 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface MessageStoragePolicyOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.MessageStoragePolicy)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. A list of IDs of Google Cloud regions where messages that are
+   * published to the topic may be persisted in storage. Messages published by
+   * publishers running in non-allowed Google Cloud regions (or running outside
+   * of Google Cloud altogether) are routed for storage in one of the allowed
+   * regions. An empty list means that no regions are allowed, and is not a
+   * valid configuration.
+   * 
        
+   *
+   * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return A list containing the allowedPersistenceRegions.
+   */
+  java.util.List
+      getAllowedPersistenceRegionsList();
+  /**
+   * 
        +   * Optional. A list of IDs of Google Cloud regions where messages that are
+   * published to the topic may be persisted in storage. Messages published by
+   * publishers running in non-allowed Google Cloud regions (or running outside
+   * of Google Cloud altogether) are routed for storage in one of the allowed
+   * regions. An empty list means that no regions are allowed, and is not a
+   * valid configuration.
+   * 
        
+   *
+   * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The count of allowedPersistenceRegions.
+   */
+  int getAllowedPersistenceRegionsCount();
+  /**
+   * 
        +   * Optional. A list of IDs of Google Cloud regions where messages that are
+   * published to the topic may be persisted in storage. Messages published by
+   * publishers running in non-allowed Google Cloud regions (or running outside
+   * of Google Cloud altogether) are routed for storage in one of the allowed
+   * regions. An empty list means that no regions are allowed, and is not a
+   * valid configuration.
+   * 
        
+   *
+   * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @param index The index of the element to return.
+   * @return The allowedPersistenceRegions at the given index.
+   */
+  java.lang.String getAllowedPersistenceRegions(int index);
+  /**
+   * 
        +   * Optional. A list of IDs of Google Cloud regions where messages that are
+   * published to the topic may be persisted in storage. Messages published by
+   * publishers running in non-allowed Google Cloud regions (or running outside
+   * of Google Cloud altogether) are routed for storage in one of the allowed
+   * regions. An empty list means that no regions are allowed, and is not a
+   * valid configuration.
+   * 
        
+   *
+   * repeated string allowed_persistence_regions = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @param index The index of the value to return.
+   * @return The bytes of the allowedPersistenceRegions at the given index.
+   */
+  com.google.protobuf.ByteString
+      getAllowedPersistenceRegionsBytes(int index);
+
+  /**
+   * 
        +   * Optional. If true, `allowed_persistence_regions` is also used to enforce
+   * in-transit guarantees for messages. That is, Pub/Sub will fail
+   * Publish operations on this topic and subscribe operations
+   * on any subscription attached to this topic in any region that is
+   * not in `allowed_persistence_regions`.
+   * 
        
+   *
+   * bool enforce_in_transit = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The enforceInTransit.
+   */
+  boolean getEnforceInTransit();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequest.java
similarity index 69%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequest.java
index 2d772a124..d4ec681a4 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequest.java
@@ -1,84 +1,60 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the ModifyAckDeadline method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ModifyAckDeadlineRequest}
  */
-public final class ModifyAckDeadlineRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ModifyAckDeadlineRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ModifyAckDeadlineRequest)
     ModifyAckDeadlineRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ModifyAckDeadlineRequest.newBuilder() to construct.
   private ModifyAckDeadlineRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ModifyAckDeadlineRequest() {
     subscription_ = "";
-    ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    ackIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ModifyAckDeadlineRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ModifyAckDeadlineRequest.class,
-            com.google.pubsub.v1.ModifyAckDeadlineRequest.Builder.class);
+            com.google.pubsub.v1.ModifyAckDeadlineRequest.class, com.google.pubsub.v1.ModifyAckDeadlineRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the subscription.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -87,32 +63,30 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the subscription.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -121,47 +95,38 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   }
 
   public static final int ACK_IDS_FIELD_NUMBER = 4;
-
   @SuppressWarnings("serial")
   private com.google.protobuf.LazyStringArrayList ackIds_ =
       com.google.protobuf.LazyStringArrayList.emptyList();
   /**
-   *
-   *
    * 
            * Required. List of acknowledgment IDs.
    * 
        
    *
    * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return A list containing the ackIds.
    */
-  public com.google.protobuf.ProtocolStringList getAckIdsList() {
+  public com.google.protobuf.ProtocolStringList
+      getAckIdsList() {
     return ackIds_;
   }
   /**
-   *
-   *
    * 
            * Required. List of acknowledgment IDs.
    * 
        
    *
    * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The count of ackIds.
    */
   public int getAckIdsCount() {
     return ackIds_.size();
   }
   /**
-   *
-   *
    * 
            * Required. List of acknowledgment IDs.
    * 
        
    *
    * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @param index The index of the element to return.
    * @return The ackIds at the given index.
    */
@@ -169,26 +134,22 @@ public java.lang.String getAckIds(int index) {
     return ackIds_.get(index);
   }
   /**
-   *
-   *
    * 
            * Required. List of acknowledgment IDs.
    * 
        
    *
    * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @param index The index of the value to return.
    * @return The bytes of the ackIds at the given index.
    */
-  public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+  public com.google.protobuf.ByteString
+      getAckIdsBytes(int index) {
     return ackIds_.getByteString(index);
   }
 
   public static final int ACK_DEADLINE_SECONDS_FIELD_NUMBER = 3;
   private int ackDeadlineSeconds_ = 0;
   /**
-   *
-   *
    * 
            * Required. The new ack deadline with respect to the time this request was
    * sent to the Pub/Sub system. For example, if the value is 10, the new ack
@@ -197,11 +158,11 @@ public com.google.protobuf.ByteString getAckIdsBytes(int index) {
    * delivery to another subscriber client. This typically results in an
    * increase in the rate of message redeliveries (that is, duplicates).
    * The minimum deadline you can specify is 0 seconds.
-   * The maximum deadline you can specify is 600 seconds (10 minutes).
+   * The maximum deadline you can specify in a single request is 600 seconds
+   * (10 minutes).
    * 
        
    *
    * int32 ack_deadline_seconds = 3 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The ackDeadlineSeconds.
    */
   @java.lang.Override
@@ -210,7 +171,6 @@ public int getAckDeadlineSeconds() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -222,7 +182,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
     }
@@ -245,7 +206,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, subscription_);
     }
     if (ackDeadlineSeconds_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, ackDeadlineSeconds_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(3, ackDeadlineSeconds_);
     }
     {
       int dataSize = 0;
@@ -263,17 +225,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ModifyAckDeadlineRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ModifyAckDeadlineRequest other =
-        (com.google.pubsub.v1.ModifyAckDeadlineRequest) obj;
+    com.google.pubsub.v1.ModifyAckDeadlineRequest other = (com.google.pubsub.v1.ModifyAckDeadlineRequest) obj;
 
-    if (!getSubscription().equals(other.getSubscription())) return false;
-    if (!getAckIdsList().equals(other.getAckIdsList())) return false;
-    if (getAckDeadlineSeconds() != other.getAckDeadlineSeconds()) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
+    if (!getAckIdsList()
+        .equals(other.getAckIdsList())) return false;
+    if (getAckDeadlineSeconds()
+        != other.getAckDeadlineSeconds()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -298,150 +262,147 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ModifyAckDeadlineRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ModifyAckDeadlineRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the ModifyAckDeadline method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ModifyAckDeadlineRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ModifyAckDeadlineRequest)
       com.google.pubsub.v1.ModifyAckDeadlineRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ModifyAckDeadlineRequest.class,
-              com.google.pubsub.v1.ModifyAckDeadlineRequest.Builder.class);
+              com.google.pubsub.v1.ModifyAckDeadlineRequest.class, com.google.pubsub.v1.ModifyAckDeadlineRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ModifyAckDeadlineRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
       bitField0_ = 0;
       subscription_ = "";
-      ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      ackIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
       ackDeadlineSeconds_ = 0;
       return this;
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_descriptor;
     }
 
     @java.lang.Override
@@ -460,11 +421,8 @@ public com.google.pubsub.v1.ModifyAckDeadlineRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ModifyAckDeadlineRequest buildPartial() {
-      com.google.pubsub.v1.ModifyAckDeadlineRequest result =
-          new com.google.pubsub.v1.ModifyAckDeadlineRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ModifyAckDeadlineRequest result = new com.google.pubsub.v1.ModifyAckDeadlineRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -487,39 +445,38 @@ private void buildPartial0(com.google.pubsub.v1.ModifyAckDeadlineRequest result)
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ModifyAckDeadlineRequest) {
-        return mergeFrom((com.google.pubsub.v1.ModifyAckDeadlineRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ModifyAckDeadlineRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -572,32 +529,28 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 24:
-              {
-                ackDeadlineSeconds_ = input.readInt32();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 24
-            case 34:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureAckIdsIsMutable();
-                ackIds_.add(s);
-                break;
-              } // case 34
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 24: {
+              ackDeadlineSeconds_ = input.readInt32();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 24
+            case 34: {
+              java.lang.String s = input.readStringRequireUtf8();
+              ensureAckIdsIsMutable();
+              ackIds_.add(s);
+              break;
+            } // case 34
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -607,28 +560,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -637,24 +585,21 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -662,41 +607,30 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -706,24 +640,18 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
@@ -733,7 +661,6 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
 
     private com.google.protobuf.LazyStringArrayList ackIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
-
     private void ensureAckIdsIsMutable() {
       if (!ackIds_.isModifiable()) {
         ackIds_ = new com.google.protobuf.LazyStringArrayList(ackIds_);
@@ -741,43 +668,35 @@ private void ensureAckIdsIsMutable() {
       bitField0_ |= 0x00000002;
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return A list containing the ackIds.
      */
-    public com.google.protobuf.ProtocolStringList getAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getAckIdsList() {
       ackIds_.makeImmutable();
       return ackIds_;
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The count of ackIds.
      */
     public int getAckIdsCount() {
       return ackIds_.size();
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param index The index of the element to return.
      * @return The ackIds at the given index.
      */
@@ -785,37 +704,31 @@ public java.lang.String getAckIds(int index) {
       return ackIds_.get(index);
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param index The index of the value to return.
      * @return The bytes of the ackIds at the given index.
      */
-    public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getAckIdsBytes(int index) {
       return ackIds_.getByteString(index);
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param index The index to set the value at.
      * @param value The ackIds to set.
      * @return This builder for chaining.
      */
-    public Builder setAckIds(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setAckIds(
+        int index, java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureAckIdsIsMutable();
       ackIds_.set(index, value);
       bitField0_ |= 0x00000002;
@@ -823,21 +736,17 @@ public Builder setAckIds(int index, java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAckIds(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addAckIds(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureAckIdsIsMutable();
       ackIds_.add(value);
       bitField0_ |= 0x00000002;
@@ -845,58 +754,50 @@ public Builder addAckIds(java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param values The ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAllAckIds(java.lang.Iterable values) {
+    public Builder addAllAckIds(
+        java.lang.Iterable values) {
       ensureAckIdsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, ackIds_);
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, ackIds_);
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearAckIds() {
-      ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000002);
-      ;
+      ackIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000002);;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. List of acknowledgment IDs.
      * 
        
      *
      * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The bytes of the ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addAckIdsBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       ensureAckIdsIsMutable();
       ackIds_.add(value);
@@ -905,10 +806,8 @@ public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private int ackDeadlineSeconds_;
+    private int ackDeadlineSeconds_ ;
     /**
-     *
-     *
      * 
              * Required. The new ack deadline with respect to the time this request was
      * sent to the Pub/Sub system. For example, if the value is 10, the new ack
@@ -917,11 +816,11 @@ public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
      * delivery to another subscriber client. This typically results in an
      * increase in the rate of message redeliveries (that is, duplicates).
      * The minimum deadline you can specify is 0 seconds.
-     * The maximum deadline you can specify is 600 seconds (10 minutes).
+     * The maximum deadline you can specify in a single request is 600 seconds
+     * (10 minutes).
      * 
        
      *
      * int32 ack_deadline_seconds = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The ackDeadlineSeconds.
      */
     @java.lang.Override
@@ -929,8 +828,6 @@ public int getAckDeadlineSeconds() {
       return ackDeadlineSeconds_;
     }
     /**
-     *
-     *
      * 
              * Required. The new ack deadline with respect to the time this request was
      * sent to the Pub/Sub system. For example, if the value is 10, the new ack
@@ -939,11 +836,11 @@ public int getAckDeadlineSeconds() {
      * delivery to another subscriber client. This typically results in an
      * increase in the rate of message redeliveries (that is, duplicates).
      * The minimum deadline you can specify is 0 seconds.
-     * The maximum deadline you can specify is 600 seconds (10 minutes).
+     * The maximum deadline you can specify in a single request is 600 seconds
+     * (10 minutes).
      * 
        
      *
      * int32 ack_deadline_seconds = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The ackDeadlineSeconds to set.
      * @return This builder for chaining.
      */
@@ -955,8 +852,6 @@ public Builder setAckDeadlineSeconds(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The new ack deadline with respect to the time this request was
      * sent to the Pub/Sub system. For example, if the value is 10, the new ack
@@ -965,11 +860,11 @@ public Builder setAckDeadlineSeconds(int value) {
      * delivery to another subscriber client. This typically results in an
      * increase in the rate of message redeliveries (that is, duplicates).
      * The minimum deadline you can specify is 0 seconds.
-     * The maximum deadline you can specify is 600 seconds (10 minutes).
+     * The maximum deadline you can specify in a single request is 600 seconds
+     * (10 minutes).
      * 
        
      *
      * int32 ack_deadline_seconds = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearAckDeadlineSeconds() {
@@ -978,9 +873,9 @@ public Builder clearAckDeadlineSeconds() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -990,12 +885,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ModifyAckDeadlineRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ModifyAckDeadlineRequest)
   private static final com.google.pubsub.v1.ModifyAckDeadlineRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ModifyAckDeadlineRequest();
   }
@@ -1004,27 +899,27 @@ public static com.google.pubsub.v1.ModifyAckDeadlineRequest getDefaultInstance()
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ModifyAckDeadlineRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ModifyAckDeadlineRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1039,4 +934,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ModifyAckDeadlineRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequestOrBuilder.java
similarity index 65%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequestOrBuilder.java
index bf7387b59..0f83fc4a4 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyAckDeadlineRequestOrBuilder.java
@@ -1,113 +1,76 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface ModifyAckDeadlineRequestOrBuilder
-    extends
+public interface ModifyAckDeadlineRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ModifyAckDeadlineRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the subscription.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   java.lang.String getSubscription();
   /**
-   *
-   *
    * 
            * Required. The name of the subscription.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
-  com.google.protobuf.ByteString getSubscriptionBytes();
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
 
   /**
-   *
-   *
    * 
            * Required. List of acknowledgment IDs.
    * 
        
    *
    * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return A list containing the ackIds.
    */
-  java.util.List getAckIdsList();
+  java.util.List
+      getAckIdsList();
   /**
-   *
-   *
    * 
            * Required. List of acknowledgment IDs.
    * 
        
    *
    * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The count of ackIds.
    */
   int getAckIdsCount();
   /**
-   *
-   *
    * 
            * Required. List of acknowledgment IDs.
    * 
        
    *
    * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @param index The index of the element to return.
    * @return The ackIds at the given index.
    */
   java.lang.String getAckIds(int index);
   /**
-   *
-   *
    * 
            * Required. List of acknowledgment IDs.
    * 
        
    *
    * repeated string ack_ids = 4 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @param index The index of the value to return.
    * @return The bytes of the ackIds at the given index.
    */
-  com.google.protobuf.ByteString getAckIdsBytes(int index);
+  com.google.protobuf.ByteString
+      getAckIdsBytes(int index);
 
   /**
-   *
-   *
    * 
            * Required. The new ack deadline with respect to the time this request was
    * sent to the Pub/Sub system. For example, if the value is 10, the new ack
@@ -116,11 +79,11 @@ public interface ModifyAckDeadlineRequestOrBuilder
    * delivery to another subscriber client. This typically results in an
    * increase in the rate of message redeliveries (that is, duplicates).
    * The minimum deadline you can specify is 0 seconds.
-   * The maximum deadline you can specify is 600 seconds (10 minutes).
+   * The maximum deadline you can specify in a single request is 600 seconds
+   * (10 minutes).
    * 
        
    *
    * int32 ack_deadline_seconds = 3 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The ackDeadlineSeconds.
    */
   int getAckDeadlineSeconds();
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequest.java
similarity index 68%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequest.java
index 149b4c6b7..f59360b38 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the ModifyPushConfig method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ModifyPushConfigRequest}
  */
-public final class ModifyPushConfigRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ModifyPushConfigRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ModifyPushConfigRequest)
     ModifyPushConfigRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ModifyPushConfigRequest.newBuilder() to construct.
   private ModifyPushConfigRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ModifyPushConfigRequest() {
     subscription_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ModifyPushConfigRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ModifyPushConfigRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyPushConfigRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ModifyPushConfigRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyPushConfigRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ModifyPushConfigRequest.class,
-            com.google.pubsub.v1.ModifyPushConfigRequest.Builder.class);
+            com.google.pubsub.v1.ModifyPushConfigRequest.class, com.google.pubsub.v1.ModifyPushConfigRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the subscription.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the subscription.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -122,8 +95,6 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   public static final int PUSH_CONFIG_FIELD_NUMBER = 2;
   private com.google.pubsub.v1.PushConfig pushConfig_;
   /**
-   *
-   *
    * 
            * Required. The push configuration for future deliveries.
    *
@@ -133,9 +104,7 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
    * the subscription if `Pull` or `StreamingPull` is not called.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the pushConfig field is set.
    */
   @java.lang.Override
@@ -143,8 +112,6 @@ public boolean hasPushConfig() {
     return pushConfig_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. The push configuration for future deliveries.
    *
@@ -154,9 +121,7 @@ public boolean hasPushConfig() {
    * the subscription if `Pull` or `StreamingPull` is not called.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return The pushConfig.
    */
   @java.lang.Override
@@ -164,8 +129,6 @@ public com.google.pubsub.v1.PushConfig getPushConfig() {
     return pushConfig_ == null ? com.google.pubsub.v1.PushConfig.getDefaultInstance() : pushConfig_;
   }
   /**
-   *
-   *
    * 
            * Required. The push configuration for future deliveries.
    *
@@ -175,8 +138,7 @@ public com.google.pubsub.v1.PushConfig getPushConfig() {
    * the subscription if `Pull` or `StreamingPull` is not called.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
   public com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder() {
@@ -184,7 +146,6 @@ public com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -196,7 +157,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
     }
@@ -216,7 +178,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, subscription_);
     }
     if (pushConfig_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getPushConfig());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getPushConfig());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -226,18 +189,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ModifyPushConfigRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ModifyPushConfigRequest other =
-        (com.google.pubsub.v1.ModifyPushConfigRequest) obj;
+    com.google.pubsub.v1.ModifyPushConfigRequest other = (com.google.pubsub.v1.ModifyPushConfigRequest) obj;
 
-    if (!getSubscription().equals(other.getSubscription())) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
     if (hasPushConfig() != other.hasPushConfig()) return false;
     if (hasPushConfig()) {
-      if (!getPushConfig().equals(other.getPushConfig())) return false;
+      if (!getPushConfig()
+          .equals(other.getPushConfig())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -261,136 +225,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ModifyPushConfigRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ModifyPushConfigRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ModifyPushConfigRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ModifyPushConfigRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the ModifyPushConfig method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ModifyPushConfigRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ModifyPushConfigRequest)
       com.google.pubsub.v1.ModifyPushConfigRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ModifyPushConfigRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyPushConfigRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ModifyPushConfigRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyPushConfigRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ModifyPushConfigRequest.class,
-              com.google.pubsub.v1.ModifyPushConfigRequest.Builder.class);
+              com.google.pubsub.v1.ModifyPushConfigRequest.class, com.google.pubsub.v1.ModifyPushConfigRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ModifyPushConfigRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -405,9 +365,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ModifyPushConfigRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ModifyPushConfigRequest_descriptor;
     }
 
     @java.lang.Override
@@ -426,11 +386,8 @@ public com.google.pubsub.v1.ModifyPushConfigRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ModifyPushConfigRequest buildPartial() {
-      com.google.pubsub.v1.ModifyPushConfigRequest result =
-          new com.google.pubsub.v1.ModifyPushConfigRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ModifyPushConfigRequest result = new com.google.pubsub.v1.ModifyPushConfigRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -441,7 +398,9 @@ private void buildPartial0(com.google.pubsub.v1.ModifyPushConfigRequest result)
         result.subscription_ = subscription_;
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.pushConfig_ = pushConfigBuilder_ == null ? pushConfig_ : pushConfigBuilder_.build();
+        result.pushConfig_ = pushConfigBuilder_ == null
+            ? pushConfig_
+            : pushConfigBuilder_.build();
       }
     }
 
@@ -449,39 +408,38 @@ private void buildPartial0(com.google.pubsub.v1.ModifyPushConfigRequest result)
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ModifyPushConfigRequest) {
-        return mergeFrom((com.google.pubsub.v1.ModifyPushConfigRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ModifyPushConfigRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -524,25 +482,24 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getPushConfigFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getPushConfigFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -552,28 +509,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -582,24 +534,21 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -607,41 +556,30 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -651,24 +589,18 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
@@ -678,13 +610,8 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
 
     private com.google.pubsub.v1.PushConfig pushConfig_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig,
-            com.google.pubsub.v1.PushConfig.Builder,
-            com.google.pubsub.v1.PushConfigOrBuilder>
-        pushConfigBuilder_;
+        com.google.pubsub.v1.PushConfig, com.google.pubsub.v1.PushConfig.Builder, com.google.pubsub.v1.PushConfigOrBuilder> pushConfigBuilder_;
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -694,17 +621,13 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      * @return Whether the pushConfig field is set.
      */
     public boolean hasPushConfig() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -714,23 +637,17 @@ public boolean hasPushConfig() {
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      * @return The pushConfig.
      */
     public com.google.pubsub.v1.PushConfig getPushConfig() {
       if (pushConfigBuilder_ == null) {
-        return pushConfig_ == null
-            ? com.google.pubsub.v1.PushConfig.getDefaultInstance()
-            : pushConfig_;
+        return pushConfig_ == null ? com.google.pubsub.v1.PushConfig.getDefaultInstance() : pushConfig_;
       } else {
         return pushConfigBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -740,8 +657,7 @@ public com.google.pubsub.v1.PushConfig getPushConfig() {
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder setPushConfig(com.google.pubsub.v1.PushConfig value) {
       if (pushConfigBuilder_ == null) {
@@ -757,8 +673,6 @@ public Builder setPushConfig(com.google.pubsub.v1.PushConfig value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -768,10 +682,10 @@ public Builder setPushConfig(com.google.pubsub.v1.PushConfig value) {
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setPushConfig(com.google.pubsub.v1.PushConfig.Builder builderForValue) {
+    public Builder setPushConfig(
+        com.google.pubsub.v1.PushConfig.Builder builderForValue) {
       if (pushConfigBuilder_ == null) {
         pushConfig_ = builderForValue.build();
       } else {
@@ -782,8 +696,6 @@ public Builder setPushConfig(com.google.pubsub.v1.PushConfig.Builder builderForV
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -793,14 +705,13 @@ public Builder setPushConfig(com.google.pubsub.v1.PushConfig.Builder builderForV
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder mergePushConfig(com.google.pubsub.v1.PushConfig value) {
       if (pushConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && pushConfig_ != null
-            && pushConfig_ != com.google.pubsub.v1.PushConfig.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          pushConfig_ != null &&
+          pushConfig_ != com.google.pubsub.v1.PushConfig.getDefaultInstance()) {
           getPushConfigBuilder().mergeFrom(value);
         } else {
           pushConfig_ = value;
@@ -813,8 +724,6 @@ public Builder mergePushConfig(com.google.pubsub.v1.PushConfig value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -824,8 +733,7 @@ public Builder mergePushConfig(com.google.pubsub.v1.PushConfig value) {
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder clearPushConfig() {
       bitField0_ = (bitField0_ & ~0x00000002);
@@ -838,8 +746,6 @@ public Builder clearPushConfig() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -849,8 +755,7 @@ public Builder clearPushConfig() {
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.pubsub.v1.PushConfig.Builder getPushConfigBuilder() {
       bitField0_ |= 0x00000002;
@@ -858,8 +763,6 @@ public com.google.pubsub.v1.PushConfig.Builder getPushConfigBuilder() {
       return getPushConfigFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -869,21 +772,17 @@ public com.google.pubsub.v1.PushConfig.Builder getPushConfigBuilder() {
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder() {
       if (pushConfigBuilder_ != null) {
         return pushConfigBuilder_.getMessageOrBuilder();
       } else {
-        return pushConfig_ == null
-            ? com.google.pubsub.v1.PushConfig.getDefaultInstance()
-            : pushConfig_;
+        return pushConfig_ == null ?
+            com.google.pubsub.v1.PushConfig.getDefaultInstance() : pushConfig_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The push configuration for future deliveries.
      *
@@ -893,28 +792,24 @@ public com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder() {
      * the subscription if `Pull` or `StreamingPull` is not called.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig,
-            com.google.pubsub.v1.PushConfig.Builder,
-            com.google.pubsub.v1.PushConfigOrBuilder>
+        com.google.pubsub.v1.PushConfig, com.google.pubsub.v1.PushConfig.Builder, com.google.pubsub.v1.PushConfigOrBuilder> 
         getPushConfigFieldBuilder() {
       if (pushConfigBuilder_ == null) {
-        pushConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.PushConfig,
-                com.google.pubsub.v1.PushConfig.Builder,
-                com.google.pubsub.v1.PushConfigOrBuilder>(
-                getPushConfig(), getParentForChildren(), isClean());
+        pushConfigBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.PushConfig, com.google.pubsub.v1.PushConfig.Builder, com.google.pubsub.v1.PushConfigOrBuilder>(
+                getPushConfig(),
+                getParentForChildren(),
+                isClean());
         pushConfig_ = null;
       }
       return pushConfigBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -924,12 +819,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ModifyPushConfigRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ModifyPushConfigRequest)
   private static final com.google.pubsub.v1.ModifyPushConfigRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ModifyPushConfigRequest();
   }
@@ -938,27 +833,27 @@ public static com.google.pubsub.v1.ModifyPushConfigRequest getDefaultInstance()
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ModifyPushConfigRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ModifyPushConfigRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -973,4 +868,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ModifyPushConfigRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequestOrBuilder.java
similarity index 64%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequestOrBuilder.java
index 070e63226..9da0de7bf 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ModifyPushConfigRequestOrBuilder.java
@@ -1,62 +1,35 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface ModifyPushConfigRequestOrBuilder
-    extends
+public interface ModifyPushConfigRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ModifyPushConfigRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the subscription.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   java.lang.String getSubscription();
   /**
-   *
-   *
    * 
            * Required. The name of the subscription.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
-  com.google.protobuf.ByteString getSubscriptionBytes();
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
 
   /**
-   *
-   *
    * 
            * Required. The push configuration for future deliveries.
    *
@@ -66,15 +39,11 @@ public interface ModifyPushConfigRequestOrBuilder
    * the subscription if `Pull` or `StreamingPull` is not called.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the pushConfig field is set.
    */
   boolean hasPushConfig();
   /**
-   *
-   *
    * 
            * Required. The push configuration for future deliveries.
    *
@@ -84,15 +53,11 @@ public interface ModifyPushConfigRequestOrBuilder
    * the subscription if `Pull` or `StreamingPull` is not called.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return The pushConfig.
    */
   com.google.pubsub.v1.PushConfig getPushConfig();
   /**
-   *
-   *
    * 
            * Required. The push configuration for future deliveries.
    *
@@ -102,8 +67,7 @@ public interface ModifyPushConfigRequestOrBuilder
    * the subscription if `Pull` or `StreamingPull` is not called.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.pubsub.v1.PushConfig push_config = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ProjectName.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ProjectName.java
similarity index 100%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ProjectName.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ProjectName.java
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequest.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequest.java
index 69e13fab3..38717e4a1 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the Publish method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.PublishRequest}
  */
-public final class PublishRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class PublishRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.PublishRequest)
     PublishRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use PublishRequest.newBuilder() to construct.
   private PublishRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private PublishRequest() {
     topic_ = "";
     messages_ = java.util.Collections.emptyList();
@@ -44,41 +26,34 @@ private PublishRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new PublishRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PublishRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PublishRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.PublishRequest.class,
-            com.google.pubsub.v1.PublishRequest.Builder.class);
+            com.google.pubsub.v1.PublishRequest.class, com.google.pubsub.v1.PublishRequest.Builder.class);
   }
 
   public static final int TOPIC_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object topic_ = "";
   /**
-   *
-   *
    * 
            * Required. The messages in the request will be published on this topic.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   @java.lang.Override
@@ -87,32 +62,30 @@ public java.lang.String getTopic() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       topic_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The messages in the request will be published on this topic.
    * Format is `projects/{project}/topics/{topic}`.
    * 
        
    *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getTopicBytes() {
+  public com.google.protobuf.ByteString
+      getTopicBytes() {
     java.lang.Object ref = topic_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       topic_ = b;
       return b;
     } else {
@@ -121,88 +94,67 @@ public com.google.protobuf.ByteString getTopicBytes() {
   }
 
   public static final int MESSAGES_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private java.util.List messages_;
   /**
-   *
-   *
    * 
            * Required. The messages to publish.
    * 
        
    *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
   public java.util.List getMessagesList() {
     return messages_;
   }
   /**
-   *
-   *
    * 
            * Required. The messages to publish.
    * 
        
    *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
-  public java.util.List
+  public java.util.List 
       getMessagesOrBuilderList() {
     return messages_;
   }
   /**
-   *
-   *
    * 
            * Required. The messages to publish.
    * 
        
    *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
   public int getMessagesCount() {
     return messages_.size();
   }
   /**
-   *
-   *
    * 
            * Required. The messages to publish.
    * 
        
    *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
   public com.google.pubsub.v1.PubsubMessage getMessages(int index) {
     return messages_.get(index);
   }
   /**
-   *
-   *
    * 
            * Required. The messages to publish.
    * 
        
    *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.PubsubMessageOrBuilder getMessagesOrBuilder(int index) {
+  public com.google.pubsub.v1.PubsubMessageOrBuilder getMessagesOrBuilder(
+      int index) {
     return messages_.get(index);
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -214,7 +166,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(topic_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, topic_);
     }
@@ -234,7 +187,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, topic_);
     }
     for (int i = 0; i < messages_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, messages_.get(i));
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, messages_.get(i));
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -244,15 +198,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.PublishRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.PublishRequest other = (com.google.pubsub.v1.PublishRequest) obj;
 
-    if (!getTopic().equals(other.getTopic())) return false;
-    if (!getMessagesList().equals(other.getMessagesList())) return false;
+    if (!getTopic()
+        .equals(other.getTopic())) return false;
+    if (!getMessagesList()
+        .equals(other.getMessagesList())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -275,135 +231,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.PublishRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.PublishRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PublishRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.PublishRequest parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.PublishRequest parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PublishRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PublishRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PublishRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PublishRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PublishRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.PublishRequest parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.PublishRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PublishRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PublishRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.PublishRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the Publish method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.PublishRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PublishRequest)
       com.google.pubsub.v1.PublishRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PublishRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PublishRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.PublishRequest.class,
-              com.google.pubsub.v1.PublishRequest.Builder.class);
+              com.google.pubsub.v1.PublishRequest.class, com.google.pubsub.v1.PublishRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.PublishRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -420,9 +373,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PublishRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishRequest_descriptor;
     }
 
     @java.lang.Override
@@ -443,9 +396,7 @@ public com.google.pubsub.v1.PublishRequest build() {
     public com.google.pubsub.v1.PublishRequest buildPartial() {
       com.google.pubsub.v1.PublishRequest result = new com.google.pubsub.v1.PublishRequest(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -473,39 +424,38 @@ private void buildPartial0(com.google.pubsub.v1.PublishRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.PublishRequest) {
-        return mergeFrom((com.google.pubsub.v1.PublishRequest) other);
+        return mergeFrom((com.google.pubsub.v1.PublishRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -537,10 +487,9 @@ public Builder mergeFrom(com.google.pubsub.v1.PublishRequest other) {
             messagesBuilder_ = null;
             messages_ = other.messages_;
             bitField0_ = (bitField0_ & ~0x00000002);
-            messagesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getMessagesFieldBuilder()
-                    : null;
+            messagesBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getMessagesFieldBuilder() : null;
           } else {
             messagesBuilder_.addAllMessages(other.messages_);
           }
@@ -572,32 +521,30 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                topic_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                com.google.pubsub.v1.PubsubMessage m =
-                    input.readMessage(
-                        com.google.pubsub.v1.PubsubMessage.parser(), extensionRegistry);
-                if (messagesBuilder_ == null) {
-                  ensureMessagesIsMutable();
-                  messages_.add(m);
-                } else {
-                  messagesBuilder_.addMessage(m);
-                }
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              topic_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              com.google.pubsub.v1.PubsubMessage m =
+                  input.readMessage(
+                      com.google.pubsub.v1.PubsubMessage.parser(),
+                      extensionRegistry);
+              if (messagesBuilder_ == null) {
+                ensureMessagesIsMutable();
+                messages_.add(m);
+              } else {
+                messagesBuilder_.addMessage(m);
+              }
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -607,28 +554,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object topic_ = "";
     /**
-     *
-     *
      * 
              * Required. The messages in the request will be published on this topic.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The topic.
      */
     public java.lang.String getTopic() {
       java.lang.Object ref = topic_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         topic_ = s;
         return s;
@@ -637,24 +579,21 @@ public java.lang.String getTopic() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The messages in the request will be published on this topic.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for topic.
      */
-    public com.google.protobuf.ByteString getTopicBytes() {
+    public com.google.protobuf.ByteString
+        getTopicBytes() {
       java.lang.Object ref = topic_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         topic_ = b;
         return b;
       } else {
@@ -662,41 +601,30 @@ public com.google.protobuf.ByteString getTopicBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The messages in the request will be published on this topic.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopic(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopic(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       topic_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages in the request will be published on this topic.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearTopic() {
@@ -706,24 +634,18 @@ public Builder clearTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages in the request will be published on this topic.
      * Format is `projects/{project}/topics/{topic}`.
      * 
        
      *
-     * 
-     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopicBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       topic_ = value;
       bitField0_ |= 0x00000001;
@@ -732,31 +654,23 @@ public Builder setTopicBytes(com.google.protobuf.ByteString value) {
     }
 
     private java.util.List messages_ =
-        java.util.Collections.emptyList();
-
+      java.util.Collections.emptyList();
     private void ensureMessagesIsMutable() {
       if (!((bitField0_ & 0x00000002) != 0)) {
         messages_ = new java.util.ArrayList(messages_);
         bitField0_ |= 0x00000002;
-      }
+       }
     }
 
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.PubsubMessage,
-            com.google.pubsub.v1.PubsubMessage.Builder,
-            com.google.pubsub.v1.PubsubMessageOrBuilder>
-        messagesBuilder_;
+        com.google.pubsub.v1.PubsubMessage, com.google.pubsub.v1.PubsubMessage.Builder, com.google.pubsub.v1.PubsubMessageOrBuilder> messagesBuilder_;
 
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public java.util.List getMessagesList() {
       if (messagesBuilder_ == null) {
@@ -766,15 +680,11 @@ public java.util.List getMessagesList() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public int getMessagesCount() {
       if (messagesBuilder_ == null) {
@@ -784,15 +694,11 @@ public int getMessagesCount() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.pubsub.v1.PubsubMessage getMessages(int index) {
       if (messagesBuilder_ == null) {
@@ -802,17 +708,14 @@ public com.google.pubsub.v1.PubsubMessage getMessages(int index) {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setMessages(int index, com.google.pubsub.v1.PubsubMessage value) {
+    public Builder setMessages(
+        int index, com.google.pubsub.v1.PubsubMessage value) {
       if (messagesBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -826,15 +729,11 @@ public Builder setMessages(int index, com.google.pubsub.v1.PubsubMessage value)
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder setMessages(
         int index, com.google.pubsub.v1.PubsubMessage.Builder builderForValue) {
@@ -848,15 +747,11 @@ public Builder setMessages(
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder addMessages(com.google.pubsub.v1.PubsubMessage value) {
       if (messagesBuilder_ == null) {
@@ -872,17 +767,14 @@ public Builder addMessages(com.google.pubsub.v1.PubsubMessage value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder addMessages(int index, com.google.pubsub.v1.PubsubMessage value) {
+    public Builder addMessages(
+        int index, com.google.pubsub.v1.PubsubMessage value) {
       if (messagesBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -896,17 +788,14 @@ public Builder addMessages(int index, com.google.pubsub.v1.PubsubMessage value)
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder addMessages(com.google.pubsub.v1.PubsubMessage.Builder builderForValue) {
+    public Builder addMessages(
+        com.google.pubsub.v1.PubsubMessage.Builder builderForValue) {
       if (messagesBuilder_ == null) {
         ensureMessagesIsMutable();
         messages_.add(builderForValue.build());
@@ -917,15 +806,11 @@ public Builder addMessages(com.google.pubsub.v1.PubsubMessage.Builder builderFor
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder addMessages(
         int index, com.google.pubsub.v1.PubsubMessage.Builder builderForValue) {
@@ -939,21 +824,18 @@ public Builder addMessages(
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder addAllMessages(
         java.lang.Iterable values) {
       if (messagesBuilder_ == null) {
         ensureMessagesIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, messages_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, messages_);
         onChanged();
       } else {
         messagesBuilder_.addAllMessages(values);
@@ -961,15 +843,11 @@ public Builder addAllMessages(
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder clearMessages() {
       if (messagesBuilder_ == null) {
@@ -982,15 +860,11 @@ public Builder clearMessages() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder removeMessages(int index) {
       if (messagesBuilder_ == null) {
@@ -1003,50 +877,39 @@ public Builder removeMessages(int index) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public com.google.pubsub.v1.PubsubMessage.Builder getMessagesBuilder(int index) {
+    public com.google.pubsub.v1.PubsubMessage.Builder getMessagesBuilder(
+        int index) {
       return getMessagesFieldBuilder().getBuilder(index);
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public com.google.pubsub.v1.PubsubMessageOrBuilder getMessagesOrBuilder(int index) {
+    public com.google.pubsub.v1.PubsubMessageOrBuilder getMessagesOrBuilder(
+        int index) {
       if (messagesBuilder_ == null) {
-        return messages_.get(index);
-      } else {
+        return messages_.get(index);  } else {
         return messagesBuilder_.getMessageOrBuilder(index);
       }
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public java.util.List
-        getMessagesOrBuilderList() {
+    public java.util.List 
+         getMessagesOrBuilderList() {
       if (messagesBuilder_ != null) {
         return messagesBuilder_.getMessageOrBuilderList();
       } else {
@@ -1054,69 +917,56 @@ public com.google.pubsub.v1.PubsubMessageOrBuilder getMessagesOrBuilder(int inde
       }
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.pubsub.v1.PubsubMessage.Builder addMessagesBuilder() {
-      return getMessagesFieldBuilder()
-          .addBuilder(com.google.pubsub.v1.PubsubMessage.getDefaultInstance());
+      return getMessagesFieldBuilder().addBuilder(
+          com.google.pubsub.v1.PubsubMessage.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public com.google.pubsub.v1.PubsubMessage.Builder addMessagesBuilder(int index) {
-      return getMessagesFieldBuilder()
-          .addBuilder(index, com.google.pubsub.v1.PubsubMessage.getDefaultInstance());
+    public com.google.pubsub.v1.PubsubMessage.Builder addMessagesBuilder(
+        int index) {
+      return getMessagesFieldBuilder().addBuilder(
+          index, com.google.pubsub.v1.PubsubMessage.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
              * Required. The messages to publish.
      * 
        
      *
-     * 
-     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public java.util.List getMessagesBuilderList() {
+    public java.util.List 
+         getMessagesBuilderList() {
       return getMessagesFieldBuilder().getBuilderList();
     }
-
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.PubsubMessage,
-            com.google.pubsub.v1.PubsubMessage.Builder,
-            com.google.pubsub.v1.PubsubMessageOrBuilder>
+        com.google.pubsub.v1.PubsubMessage, com.google.pubsub.v1.PubsubMessage.Builder, com.google.pubsub.v1.PubsubMessageOrBuilder> 
         getMessagesFieldBuilder() {
       if (messagesBuilder_ == null) {
-        messagesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.pubsub.v1.PubsubMessage,
-                com.google.pubsub.v1.PubsubMessage.Builder,
-                com.google.pubsub.v1.PubsubMessageOrBuilder>(
-                messages_, ((bitField0_ & 0x00000002) != 0), getParentForChildren(), isClean());
+        messagesBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.pubsub.v1.PubsubMessage, com.google.pubsub.v1.PubsubMessage.Builder, com.google.pubsub.v1.PubsubMessageOrBuilder>(
+                messages_,
+                ((bitField0_ & 0x00000002) != 0),
+                getParentForChildren(),
+                isClean());
         messages_ = null;
       }
       return messagesBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1126,12 +976,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PublishRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.PublishRequest)
   private static final com.google.pubsub.v1.PublishRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.PublishRequest();
   }
@@ -1140,27 +990,27 @@ public static com.google.pubsub.v1.PublishRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public PublishRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public PublishRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1175,4 +1025,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.PublishRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequestOrBuilder.java
new file mode 100644
index 000000000..96eba7dc9
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequestOrBuilder.java
@@ -0,0 +1,75 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface PublishRequestOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PublishRequest)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The messages in the request will be published on this topic.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The topic.
+   */
+  java.lang.String getTopic();
+  /**
+   * 
        +   * Required. The messages in the request will be published on this topic.
+   * Format is `projects/{project}/topics/{topic}`.
+   * 
        
+   *
+   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for topic.
+   */
+  com.google.protobuf.ByteString
+      getTopicBytes();
+
+  /**
+   * 
        +   * Required. The messages to publish.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
+   */
+  java.util.List 
+      getMessagesList();
+  /**
+   * 
        +   * Required. The messages to publish.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
+   */
+  com.google.pubsub.v1.PubsubMessage getMessages(int index);
+  /**
+   * 
        +   * Required. The messages to publish.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
+   */
+  int getMessagesCount();
+  /**
+   * 
        +   * Required. The messages to publish.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
+   */
+  java.util.List 
+      getMessagesOrBuilderList();
+  /**
+   * 
        +   * Required. The messages to publish.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
+   */
+  com.google.pubsub.v1.PubsubMessageOrBuilder getMessagesOrBuilder(
+      int index);
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponse.java
similarity index 57%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponse.java
index eef00eb06..5129615ce 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponse.java
@@ -1,115 +1,88 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `Publish` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.PublishResponse}
  */
-public final class PublishResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class PublishResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.PublishResponse)
     PublishResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use PublishResponse.newBuilder() to construct.
   private PublishResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private PublishResponse() {
-    messageIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    messageIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new PublishResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PublishResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PublishResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.PublishResponse.class,
-            com.google.pubsub.v1.PublishResponse.Builder.class);
+            com.google.pubsub.v1.PublishResponse.class, com.google.pubsub.v1.PublishResponse.Builder.class);
   }
 
   public static final int MESSAGE_IDS_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private com.google.protobuf.LazyStringArrayList messageIds_ =
       com.google.protobuf.LazyStringArrayList.emptyList();
   /**
-   *
-   *
    * 
        -   * The server-assigned ID of each published message, in the same order as
-   * the messages in the request. IDs are guaranteed to be unique within
-   * the topic.
+   * Optional. The server-assigned ID of each published message, in the same
+   * order as the messages in the request. IDs are guaranteed to be unique
+   * within the topic.
    * 
        
    *
-   * repeated string message_ids = 1;
-   *
+   * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return A list containing the messageIds.
    */
-  public com.google.protobuf.ProtocolStringList getMessageIdsList() {
+  public com.google.protobuf.ProtocolStringList
+      getMessageIdsList() {
     return messageIds_;
   }
   /**
-   *
-   *
    * 
        -   * The server-assigned ID of each published message, in the same order as
-   * the messages in the request. IDs are guaranteed to be unique within
-   * the topic.
+   * Optional. The server-assigned ID of each published message, in the same
+   * order as the messages in the request. IDs are guaranteed to be unique
+   * within the topic.
    * 
        
    *
-   * repeated string message_ids = 1;
-   *
+   * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The count of messageIds.
    */
   public int getMessageIdsCount() {
     return messageIds_.size();
   }
   /**
-   *
-   *
    * 
        -   * The server-assigned ID of each published message, in the same order as
-   * the messages in the request. IDs are guaranteed to be unique within
-   * the topic.
+   * Optional. The server-assigned ID of each published message, in the same
+   * order as the messages in the request. IDs are guaranteed to be unique
+   * within the topic.
    * 
        
    *
-   * repeated string message_ids = 1;
-   *
+   * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the element to return.
    * @return The messageIds at the given index.
    */
@@ -117,25 +90,22 @@ public java.lang.String getMessageIds(int index) {
     return messageIds_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * The server-assigned ID of each published message, in the same order as
-   * the messages in the request. IDs are guaranteed to be unique within
-   * the topic.
+   * Optional. The server-assigned ID of each published message, in the same
+   * order as the messages in the request. IDs are guaranteed to be unique
+   * within the topic.
    * 
        
    *
-   * repeated string message_ids = 1;
-   *
+   * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the value to return.
    * @return The bytes of the messageIds at the given index.
    */
-  public com.google.protobuf.ByteString getMessageIdsBytes(int index) {
+  public com.google.protobuf.ByteString
+      getMessageIdsBytes(int index) {
     return messageIds_.getByteString(index);
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -147,7 +117,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < messageIds_.size(); i++) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, messageIds_.getRaw(i));
     }
@@ -176,14 +147,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.PublishResponse)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.PublishResponse other = (com.google.pubsub.v1.PublishResponse) obj;
 
-    if (!getMessageIdsList().equals(other.getMessageIdsList())) return false;
+    if (!getMessageIdsList()
+        .equals(other.getMessageIdsList())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -204,147 +176,145 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.PublishResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.PublishResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PublishResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.PublishResponse parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.PublishResponse parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PublishResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PublishResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PublishResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PublishResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PublishResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.PublishResponse parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.PublishResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PublishResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PublishResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.PublishResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `Publish` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.PublishResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PublishResponse)
       com.google.pubsub.v1.PublishResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PublishResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PublishResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.PublishResponse.class,
-              com.google.pubsub.v1.PublishResponse.Builder.class);
+              com.google.pubsub.v1.PublishResponse.class, com.google.pubsub.v1.PublishResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.PublishResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
       bitField0_ = 0;
-      messageIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      messageIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
       return this;
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PublishResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PublishResponse_descriptor;
     }
 
     @java.lang.Override
@@ -364,9 +334,7 @@ public com.google.pubsub.v1.PublishResponse build() {
     @java.lang.Override
     public com.google.pubsub.v1.PublishResponse buildPartial() {
       com.google.pubsub.v1.PublishResponse result = new com.google.pubsub.v1.PublishResponse(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -383,39 +351,38 @@ private void buildPartial0(com.google.pubsub.v1.PublishResponse result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.PublishResponse) {
-        return mergeFrom((com.google.pubsub.v1.PublishResponse) other);
+        return mergeFrom((com.google.pubsub.v1.PublishResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -460,20 +427,18 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureMessageIdsIsMutable();
-                messageIds_.add(s);
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              java.lang.String s = input.readStringRequireUtf8();
+              ensureMessageIdsIsMutable();
+              messageIds_.add(s);
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -483,12 +448,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.protobuf.LazyStringArrayList messageIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
-
     private void ensureMessageIdsIsMutable() {
       if (!messageIds_.isModifiable()) {
         messageIds_ = new com.google.protobuf.LazyStringArrayList(messageIds_);
@@ -496,49 +459,41 @@ private void ensureMessageIdsIsMutable() {
       bitField0_ |= 0x00000001;
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the messageIds.
      */
-    public com.google.protobuf.ProtocolStringList getMessageIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getMessageIdsList() {
       messageIds_.makeImmutable();
       return messageIds_;
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of messageIds.
      */
     public int getMessageIdsCount() {
       return messageIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The messageIds at the given index.
      */
@@ -546,41 +501,35 @@ public java.lang.String getMessageIds(int index) {
       return messageIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the messageIds at the given index.
      */
-    public com.google.protobuf.ByteString getMessageIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getMessageIdsBytes(int index) {
       return messageIds_.getByteString(index);
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index to set the value at.
      * @param value The messageIds to set.
      * @return This builder for chaining.
      */
-    public Builder setMessageIds(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setMessageIds(
+        int index, java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureMessageIdsIsMutable();
       messageIds_.set(index, value);
       bitField0_ |= 0x00000001;
@@ -588,23 +537,19 @@ public Builder setMessageIds(int index, java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The messageIds to add.
      * @return This builder for chaining.
      */
-    public Builder addMessageIds(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addMessageIds(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureMessageIdsIsMutable();
       messageIds_.add(value);
       bitField0_ |= 0x00000001;
@@ -612,64 +557,56 @@ public Builder addMessageIds(java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param values The messageIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAllMessageIds(java.lang.Iterable values) {
+    public Builder addAllMessageIds(
+        java.lang.Iterable values) {
       ensureMessageIdsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, messageIds_);
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, messageIds_);
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearMessageIds() {
-      messageIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000001);
-      ;
+      messageIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000001);;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The server-assigned ID of each published message, in the same order as
-     * the messages in the request. IDs are guaranteed to be unique within
-     * the topic.
+     * Optional. The server-assigned ID of each published message, in the same
+     * order as the messages in the request. IDs are guaranteed to be unique
+     * within the topic.
      * 
        
      *
-     * repeated string message_ids = 1;
-     *
+     * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes of the messageIds to add.
      * @return This builder for chaining.
      */
-    public Builder addMessageIdsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addMessageIdsBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       ensureMessageIdsIsMutable();
       messageIds_.add(value);
@@ -677,9 +614,9 @@ public Builder addMessageIdsBytes(com.google.protobuf.ByteString value) {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -689,12 +626,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PublishResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.PublishResponse)
   private static final com.google.pubsub.v1.PublishResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.PublishResponse();
   }
@@ -703,27 +640,27 @@ public static com.google.pubsub.v1.PublishResponse getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public PublishResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public PublishResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -738,4 +675,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.PublishResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponseOrBuilder.java
new file mode 100644
index 000000000..38513f524
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponseOrBuilder.java
@@ -0,0 +1,58 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface PublishResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PublishResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The server-assigned ID of each published message, in the same
+   * order as the messages in the request. IDs are guaranteed to be unique
+   * within the topic.
+   * 
        
+   *
+   * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return A list containing the messageIds.
+   */
+  java.util.List
+      getMessageIdsList();
+  /**
+   * 
        +   * Optional. The server-assigned ID of each published message, in the same
+   * order as the messages in the request. IDs are guaranteed to be unique
+   * within the topic.
+   * 
        
+   *
+   * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The count of messageIds.
+   */
+  int getMessageIdsCount();
+  /**
+   * 
        +   * Optional. The server-assigned ID of each published message, in the same
+   * order as the messages in the request. IDs are guaranteed to be unique
+   * within the topic.
+   * 
        
+   *
+   * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @param index The index of the element to return.
+   * @return The messageIds at the given index.
+   */
+  java.lang.String getMessageIds(int index);
+  /**
+   * 
        +   * Optional. The server-assigned ID of each published message, in the same
+   * order as the messages in the request. IDs are guaranteed to be unique
+   * within the topic.
+   * 
        
+   *
+   * repeated string message_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @param index The index of the value to return.
+   * @return The bytes of the messageIds at the given index.
+   */
+  com.google.protobuf.ByteString
+      getMessageIdsBytes(int index);
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessage.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessage.java
similarity index 59%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessage.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessage.java
index 4c91f9122..653880c9d 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessage.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessage.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * A message that is published by publishers and consumed by subscribers. The
  * message must contain either a non-empty data field or at least one attribute.
@@ -34,16 +17,15 @@
  *
  * Protobuf type {@code google.pubsub.v1.PubsubMessage}
  */
-public final class PubsubMessage extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class PubsubMessage extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.PubsubMessage)
     PubsubMessageOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use PubsubMessage.newBuilder() to construct.
   private PubsubMessage(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private PubsubMessage() {
     data_ = com.google.protobuf.ByteString.EMPTY;
     messageId_ = "";
@@ -52,48 +34,45 @@ private PubsubMessage() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new PubsubMessage();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PubsubMessage_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PubsubMessage_descriptor;
   }
 
   @SuppressWarnings({"rawtypes"})
   @java.lang.Override
-  protected com.google.protobuf.MapField internalGetMapField(int number) {
+  protected com.google.protobuf.MapField internalGetMapField(
+      int number) {
     switch (number) {
       case 2:
         return internalGetAttributes();
       default:
-        throw new RuntimeException("Invalid map field number: " + number);
+        throw new RuntimeException(
+            "Invalid map field number: " + number);
     }
   }
-
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PubsubMessage_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PubsubMessage_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.PubsubMessage.class,
-            com.google.pubsub.v1.PubsubMessage.Builder.class);
+            com.google.pubsub.v1.PubsubMessage.class, com.google.pubsub.v1.PubsubMessage.Builder.class);
   }
 
   public static final int DATA_FIELD_NUMBER = 1;
   private com.google.protobuf.ByteString data_ = com.google.protobuf.ByteString.EMPTY;
   /**
-   *
-   *
    * 
        -   * The message data field. If this field is empty, the message must contain
-   * at least one attribute.
+   * Optional. The message data field. If this field is empty, the message must
+   * contain at least one attribute.
    * 
        
    *
-   * bytes data = 1;
-   *
+   * bytes data = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The data.
    */
   @java.lang.Override
@@ -102,109 +81,102 @@ public com.google.protobuf.ByteString getData() {
   }
 
   public static final int ATTRIBUTES_FIELD_NUMBER = 2;
-
   private static final class AttributesDefaultEntryHolder {
-    static final com.google.protobuf.MapEntry defaultEntry =
-        com.google.protobuf.MapEntry.newDefaultInstance(
-            com.google.pubsub.v1.PubsubProto
-                .internal_static_google_pubsub_v1_PubsubMessage_AttributesEntry_descriptor,
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "",
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "");
+    static final com.google.protobuf.MapEntry<
+        java.lang.String, java.lang.String> defaultEntry =
+            com.google.protobuf.MapEntry
+            .newDefaultInstance(
+                com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PubsubMessage_AttributesEntry_descriptor, 
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "",
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "");
   }
-
   @SuppressWarnings("serial")
-  private com.google.protobuf.MapField attributes_;
-
-  private com.google.protobuf.MapField internalGetAttributes() {
+  private com.google.protobuf.MapField<
+      java.lang.String, java.lang.String> attributes_;
+  private com.google.protobuf.MapField
+  internalGetAttributes() {
     if (attributes_ == null) {
-      return com.google.protobuf.MapField.emptyMapField(AttributesDefaultEntryHolder.defaultEntry);
+      return com.google.protobuf.MapField.emptyMapField(
+          AttributesDefaultEntryHolder.defaultEntry);
     }
     return attributes_;
   }
-
   public int getAttributesCount() {
     return internalGetAttributes().getMap().size();
   }
   /**
-   *
-   *
    * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
+   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
    * subscription.
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public boolean containsAttributes(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
+  public boolean containsAttributes(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
     return internalGetAttributes().getMap().containsKey(key);
   }
-  /** Use {@link #getAttributesMap()} instead. */
+  /**
+   * Use {@link #getAttributesMap()} instead.
+   */
   @java.lang.Override
   @java.lang.Deprecated
   public java.util.Map getAttributes() {
     return getAttributesMap();
   }
   /**
-   *
-   *
    * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
+   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
    * subscription.
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.Map getAttributesMap() {
     return internalGetAttributes().getMap();
   }
   /**
-   *
-   *
    * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
+   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
    * subscription.
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public /* nullable */ java.lang.String getAttributesOrDefault(
+  public /* nullable */
+java.lang.String getAttributesOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetAttributes().getMap();
+java.lang.String defaultValue) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetAttributes().getMap();
     return map.containsKey(key) ? map.get(key) : defaultValue;
   }
   /**
-   *
-   *
    * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
+   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
    * subscription.
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.lang.String getAttributesOrThrow(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetAttributes().getMap();
+  public java.lang.String getAttributesOrThrow(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetAttributes().getMap();
     if (!map.containsKey(key)) {
       throw new java.lang.IllegalArgumentException();
     }
@@ -212,12 +184,9 @@ public java.lang.String getAttributesOrThrow(java.lang.String key) {
   }
 
   public static final int MESSAGE_ID_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object messageId_ = "";
   /**
-   *
-   *
    * 
            * ID of this message, assigned by the server when the message is published.
    * Guaranteed to be unique within the topic. This value may be read by a
@@ -226,7 +195,6 @@ public java.lang.String getAttributesOrThrow(java.lang.String key) {
    * 
        
    *
    * string message_id = 3;
-   *
    * @return The messageId.
    */
   @java.lang.Override
@@ -235,15 +203,14 @@ public java.lang.String getMessageId() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       messageId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * ID of this message, assigned by the server when the message is published.
    * Guaranteed to be unique within the topic. This value may be read by a
@@ -252,15 +219,16 @@ public java.lang.String getMessageId() {
    * 
        
    *
    * string message_id = 3;
-   *
    * @return The bytes for messageId.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getMessageIdBytes() {
+  public com.google.protobuf.ByteString
+      getMessageIdBytes() {
     java.lang.Object ref = messageId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       messageId_ = b;
       return b;
     } else {
@@ -271,8 +239,6 @@ public com.google.protobuf.ByteString getMessageIdBytes() {
   public static final int PUBLISH_TIME_FIELD_NUMBER = 4;
   private com.google.protobuf.Timestamp publishTime_;
   /**
-   *
-   *
    * 
            * The time at which the message was published, populated by the server when
    * it receives the `Publish` call. It must not be populated by the
@@ -280,7 +246,6 @@ public com.google.protobuf.ByteString getMessageIdBytes() {
    * 
        
    *
    * .google.protobuf.Timestamp publish_time = 4;
-   *
    * @return Whether the publishTime field is set.
    */
   @java.lang.Override
@@ -288,8 +253,6 @@ public boolean hasPublishTime() {
     return publishTime_ != null;
   }
   /**
-   *
-   *
    * 
            * The time at which the message was published, populated by the server when
    * it receives the `Publish` call. It must not be populated by the
@@ -297,7 +260,6 @@ public boolean hasPublishTime() {
    * 
        
    *
    * .google.protobuf.Timestamp publish_time = 4;
-   *
    * @return The publishTime.
    */
   @java.lang.Override
@@ -305,8 +267,6 @@ public com.google.protobuf.Timestamp getPublishTime() {
     return publishTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : publishTime_;
   }
   /**
-   *
-   *
    * 
            * The time at which the message was published, populated by the server when
    * it receives the `Publish` call. It must not be populated by the
@@ -321,25 +281,21 @@ public com.google.protobuf.TimestampOrBuilder getPublishTimeOrBuilder() {
   }
 
   public static final int ORDERING_KEY_FIELD_NUMBER = 5;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object orderingKey_ = "";
   /**
-   *
-   *
    * 
        -   * If non-empty, identifies related messages for which publish order should be
-   * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-   * messages published with the same non-empty `ordering_key` value will be
-   * delivered to subscribers in the order in which they are received by the
-   * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-   * must specify the same `ordering_key` value.
-   * For more information, see [ordering
+   * Optional. If non-empty, identifies related messages for which publish order
+   * should be respected. If a `Subscription` has `enable_message_ordering` set
+   * to `true`, messages published with the same non-empty `ordering_key` value
+   * will be delivered to subscribers in the order in which they are received by
+   * the Pub/Sub system. All `PubsubMessage`s published in a given
+   * `PublishRequest` must specify the same `ordering_key` value. For more
+   * information, see [ordering
    * messages](https://cloud.google.com/pubsub/docs/ordering).
    * 
        
    *
-   * string ordering_key = 5;
-   *
+   * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The orderingKey.
    */
   @java.lang.Override
@@ -348,36 +304,36 @@ public java.lang.String getOrderingKey() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       orderingKey_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * If non-empty, identifies related messages for which publish order should be
-   * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-   * messages published with the same non-empty `ordering_key` value will be
-   * delivered to subscribers in the order in which they are received by the
-   * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-   * must specify the same `ordering_key` value.
-   * For more information, see [ordering
+   * Optional. If non-empty, identifies related messages for which publish order
+   * should be respected. If a `Subscription` has `enable_message_ordering` set
+   * to `true`, messages published with the same non-empty `ordering_key` value
+   * will be delivered to subscribers in the order in which they are received by
+   * the Pub/Sub system. All `PubsubMessage`s published in a given
+   * `PublishRequest` must specify the same `ordering_key` value. For more
+   * information, see [ordering
    * messages](https://cloud.google.com/pubsub/docs/ordering).
    * 
        
    *
-   * string ordering_key = 5;
-   *
+   * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for orderingKey.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getOrderingKeyBytes() {
+  public com.google.protobuf.ByteString
+      getOrderingKeyBytes() {
     java.lang.Object ref = orderingKey_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       orderingKey_ = b;
       return b;
     } else {
@@ -386,7 +342,6 @@ public com.google.protobuf.ByteString getOrderingKeyBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -398,12 +353,17 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!data_.isEmpty()) {
       output.writeBytes(1, data_);
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
-        output, internalGetAttributes(), AttributesDefaultEntryHolder.defaultEntry, 2);
+    com.google.protobuf.GeneratedMessageV3
+      .serializeStringMapTo(
+        output,
+        internalGetAttributes(),
+        AttributesDefaultEntryHolder.defaultEntry,
+        2);
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(messageId_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 3, messageId_);
     }
@@ -423,23 +383,25 @@ public int getSerializedSize() {
 
     size = 0;
     if (!data_.isEmpty()) {
-      size += com.google.protobuf.CodedOutputStream.computeBytesSize(1, data_);
-    }
-    for (java.util.Map.Entry entry :
-        internalGetAttributes().getMap().entrySet()) {
-      com.google.protobuf.MapEntry attributes__ =
-          AttributesDefaultEntryHolder.defaultEntry
-              .newBuilderForType()
-              .setKey(entry.getKey())
-              .setValue(entry.getValue())
-              .build();
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, attributes__);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBytesSize(1, data_);
+    }
+    for (java.util.Map.Entry entry
+         : internalGetAttributes().getMap().entrySet()) {
+      com.google.protobuf.MapEntry
+      attributes__ = AttributesDefaultEntryHolder.defaultEntry.newBuilderForType()
+          .setKey(entry.getKey())
+          .setValue(entry.getValue())
+          .build();
+      size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(2, attributes__);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(messageId_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, messageId_);
     }
     if (publishTime_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getPublishTime());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(4, getPublishTime());
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(orderingKey_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, orderingKey_);
@@ -452,21 +414,26 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.PubsubMessage)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.PubsubMessage other = (com.google.pubsub.v1.PubsubMessage) obj;
 
-    if (!getData().equals(other.getData())) return false;
-    if (!internalGetAttributes().equals(other.internalGetAttributes())) return false;
-    if (!getMessageId().equals(other.getMessageId())) return false;
+    if (!getData()
+        .equals(other.getData())) return false;
+    if (!internalGetAttributes().equals(
+        other.internalGetAttributes())) return false;
+    if (!getMessageId()
+        .equals(other.getMessageId())) return false;
     if (hasPublishTime() != other.hasPublishTime()) return false;
     if (hasPublishTime()) {
-      if (!getPublishTime().equals(other.getPublishTime())) return false;
+      if (!getPublishTime()
+          .equals(other.getPublishTime())) return false;
     }
-    if (!getOrderingKey().equals(other.getOrderingKey())) return false;
+    if (!getOrderingKey()
+        .equals(other.getOrderingKey())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -497,103 +464,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.PubsubMessage parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.PubsubMessage parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PubsubMessage parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.PubsubMessage parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.PubsubMessage parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PubsubMessage parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PubsubMessage parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PubsubMessage parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PubsubMessage parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PubsubMessage parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.PubsubMessage parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.PubsubMessage parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PubsubMessage parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PubsubMessage parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.PubsubMessage prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * A message that is published by publishers and consumed by subscribers. The
    * message must contain either a non-empty data field or at least one attribute.
@@ -607,52 +570,55 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.PubsubMessage}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PubsubMessage)
       com.google.pubsub.v1.PubsubMessageOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PubsubMessage_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PubsubMessage_descriptor;
     }
 
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMapField(
+        int number) {
       switch (number) {
         case 2:
           return internalGetAttributes();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMutableMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMutableMapField(
+        int number) {
       switch (number) {
         case 2:
           return internalGetMutableAttributes();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PubsubMessage_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PubsubMessage_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.PubsubMessage.class,
-              com.google.pubsub.v1.PubsubMessage.Builder.class);
+              com.google.pubsub.v1.PubsubMessage.class, com.google.pubsub.v1.PubsubMessage.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.PubsubMessage.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -670,9 +636,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PubsubMessage_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PubsubMessage_descriptor;
     }
 
     @java.lang.Override
@@ -692,9 +658,7 @@ public com.google.pubsub.v1.PubsubMessage build() {
     @java.lang.Override
     public com.google.pubsub.v1.PubsubMessage buildPartial() {
       com.google.pubsub.v1.PubsubMessage result = new com.google.pubsub.v1.PubsubMessage(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -712,8 +676,9 @@ private void buildPartial0(com.google.pubsub.v1.PubsubMessage result) {
         result.messageId_ = messageId_;
       }
       if (((from_bitField0_ & 0x00000008) != 0)) {
-        result.publishTime_ =
-            publishTimeBuilder_ == null ? publishTime_ : publishTimeBuilder_.build();
+        result.publishTime_ = publishTimeBuilder_ == null
+            ? publishTime_
+            : publishTimeBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000010) != 0)) {
         result.orderingKey_ = orderingKey_;
@@ -724,39 +689,38 @@ private void buildPartial0(com.google.pubsub.v1.PubsubMessage result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.PubsubMessage) {
-        return mergeFrom((com.google.pubsub.v1.PubsubMessage) other);
+        return mergeFrom((com.google.pubsub.v1.PubsubMessage)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -768,7 +732,8 @@ public Builder mergeFrom(com.google.pubsub.v1.PubsubMessage other) {
       if (other.getData() != com.google.protobuf.ByteString.EMPTY) {
         setData(other.getData());
       }
-      internalGetMutableAttributes().mergeFrom(other.internalGetAttributes());
+      internalGetMutableAttributes().mergeFrom(
+          other.internalGetAttributes());
       bitField0_ |= 0x00000002;
       if (!other.getMessageId().isEmpty()) {
         messageId_ = other.messageId_;
@@ -809,49 +774,43 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                data_ = input.readBytes();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                com.google.protobuf.MapEntry attributes__ =
-                    input.readMessage(
-                        AttributesDefaultEntryHolder.defaultEntry.getParserForType(),
-                        extensionRegistry);
-                internalGetMutableAttributes()
-                    .getMutableMap()
-                    .put(attributes__.getKey(), attributes__.getValue());
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 26:
-              {
-                messageId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            case 34:
-              {
-                input.readMessage(getPublishTimeFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 34
-            case 42:
-              {
-                orderingKey_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 42
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              data_ = input.readBytes();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              com.google.protobuf.MapEntry
+              attributes__ = input.readMessage(
+                  AttributesDefaultEntryHolder.defaultEntry.getParserForType(), extensionRegistry);
+              internalGetMutableAttributes().getMutableMap().put(
+                  attributes__.getKey(), attributes__.getValue());
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 26: {
+              messageId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            case 34: {
+              input.readMessage(
+                  getPublishTimeFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 34
+            case 42: {
+              orderingKey_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000010;
+              break;
+            } // case 42
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -861,20 +820,16 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.protobuf.ByteString data_ = com.google.protobuf.ByteString.EMPTY;
     /**
-     *
-     *
      * 
        -     * The message data field. If this field is empty, the message must contain
-     * at least one attribute.
+     * Optional. The message data field. If this field is empty, the message must
+     * contain at least one attribute.
      * 
        
      *
-     * bytes data = 1;
-     *
+     * bytes data = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The data.
      */
     @java.lang.Override
@@ -882,37 +837,29 @@ public com.google.protobuf.ByteString getData() {
       return data_;
     }
     /**
-     *
-     *
      * 
        -     * The message data field. If this field is empty, the message must contain
-     * at least one attribute.
+     * Optional. The message data field. If this field is empty, the message must
+     * contain at least one attribute.
      * 
        
      *
-     * bytes data = 1;
-     *
+     * bytes data = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The data to set.
      * @return This builder for chaining.
      */
     public Builder setData(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+      if (value == null) { throw new NullPointerException(); }
       data_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The message data field. If this field is empty, the message must contain
-     * at least one attribute.
+     * Optional. The message data field. If this field is empty, the message must
+     * contain at least one attribute.
      * 
        
      *
-     * bytes data = 1;
-     *
+     * bytes data = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearData() {
@@ -922,8 +869,8 @@ public Builder clearData() {
       return this;
     }
 
-    private com.google.protobuf.MapField attributes_;
-
+    private com.google.protobuf.MapField<
+        java.lang.String, java.lang.String> attributes_;
     private com.google.protobuf.MapField
         internalGetAttributes() {
       if (attributes_ == null) {
@@ -932,12 +879,11 @@ public Builder clearData() {
       }
       return attributes_;
     }
-
     private com.google.protobuf.MapField
         internalGetMutableAttributes() {
       if (attributes_ == null) {
-        attributes_ =
-            com.google.protobuf.MapField.newMapField(AttributesDefaultEntryHolder.defaultEntry);
+        attributes_ = com.google.protobuf.MapField.newMapField(
+            AttributesDefaultEntryHolder.defaultEntry);
       }
       if (!attributes_.isMutable()) {
         attributes_ = attributes_.copy();
@@ -946,166 +892,154 @@ public Builder clearData() {
       onChanged();
       return attributes_;
     }
-
     public int getAttributesCount() {
       return internalGetAttributes().getMap().size();
     }
     /**
-     *
-     *
      * 
        -     * Attributes for this message. If this field is empty, the message must
-     * contain non-empty data. This can be used to filter messages on the
+     * Optional. Attributes for this message. If this field is empty, the message
+     * must contain non-empty data. This can be used to filter messages on the
      * subscription.
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public boolean containsAttributes(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
+    public boolean containsAttributes(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
       return internalGetAttributes().getMap().containsKey(key);
     }
-    /** Use {@link #getAttributesMap()} instead. */
+    /**
+     * Use {@link #getAttributesMap()} instead.
+     */
     @java.lang.Override
     @java.lang.Deprecated
     public java.util.Map getAttributes() {
       return getAttributesMap();
     }
     /**
-     *
-     *
      * 
        -     * Attributes for this message. If this field is empty, the message must
-     * contain non-empty data. This can be used to filter messages on the
+     * Optional. Attributes for this message. If this field is empty, the message
+     * must contain non-empty data. This can be used to filter messages on the
      * subscription.
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public java.util.Map getAttributesMap() {
       return internalGetAttributes().getMap();
     }
     /**
-     *
-     *
      * 
        -     * Attributes for this message. If this field is empty, the message must
-     * contain non-empty data. This can be used to filter messages on the
+     * Optional. Attributes for this message. If this field is empty, the message
+     * must contain non-empty data. This can be used to filter messages on the
      * subscription.
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public /* nullable */ java.lang.String getAttributesOrDefault(
+    public /* nullable */
+java.lang.String getAttributesOrDefault(
         java.lang.String key,
         /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetAttributes().getMap();
+java.lang.String defaultValue) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetAttributes().getMap();
       return map.containsKey(key) ? map.get(key) : defaultValue;
     }
     /**
-     *
-     *
      * 
        -     * Attributes for this message. If this field is empty, the message must
-     * contain non-empty data. This can be used to filter messages on the
+     * Optional. Attributes for this message. If this field is empty, the message
+     * must contain non-empty data. This can be used to filter messages on the
      * subscription.
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public java.lang.String getAttributesOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetAttributes().getMap();
+    public java.lang.String getAttributesOrThrow(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetAttributes().getMap();
       if (!map.containsKey(key)) {
         throw new java.lang.IllegalArgumentException();
       }
       return map.get(key);
     }
-
     public Builder clearAttributes() {
       bitField0_ = (bitField0_ & ~0x00000002);
-      internalGetMutableAttributes().getMutableMap().clear();
+      internalGetMutableAttributes().getMutableMap()
+          .clear();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Attributes for this message. If this field is empty, the message must
-     * contain non-empty data. This can be used to filter messages on the
+     * Optional. Attributes for this message. If this field is empty, the message
+     * must contain non-empty data. This can be used to filter messages on the
      * subscription.
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder removeAttributes(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableAttributes().getMutableMap().remove(key);
+    public Builder removeAttributes(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      internalGetMutableAttributes().getMutableMap()
+          .remove(key);
       return this;
     }
-    /** Use alternate mutation accessors instead. */
+    /**
+     * Use alternate mutation accessors instead.
+     */
     @java.lang.Deprecated
-    public java.util.Map getMutableAttributes() {
+    public java.util.Map
+        getMutableAttributes() {
       bitField0_ |= 0x00000002;
       return internalGetMutableAttributes().getMutableMap();
     }
     /**
-     *
-     *
      * 
        -     * Attributes for this message. If this field is empty, the message must
-     * contain non-empty data. This can be used to filter messages on the
+     * Optional. Attributes for this message. If this field is empty, the message
+     * must contain non-empty data. This can be used to filter messages on the
      * subscription.
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putAttributes(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      if (value == null) {
-        throw new NullPointerException("map value");
-      }
-      internalGetMutableAttributes().getMutableMap().put(key, value);
+    public Builder putAttributes(
+        java.lang.String key,
+        java.lang.String value) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      if (value == null) { throw new NullPointerException("map value"); }
+      internalGetMutableAttributes().getMutableMap()
+          .put(key, value);
       bitField0_ |= 0x00000002;
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Attributes for this message. If this field is empty, the message must
-     * contain non-empty data. This can be used to filter messages on the
+     * Optional. Attributes for this message. If this field is empty, the message
+     * must contain non-empty data. This can be used to filter messages on the
      * subscription.
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putAllAttributes(java.util.Map values) {
-      internalGetMutableAttributes().getMutableMap().putAll(values);
+    public Builder putAllAttributes(
+        java.util.Map values) {
+      internalGetMutableAttributes().getMutableMap()
+          .putAll(values);
       bitField0_ |= 0x00000002;
       return this;
     }
 
     private java.lang.Object messageId_ = "";
     /**
-     *
-     *
      * 
              * ID of this message, assigned by the server when the message is published.
      * Guaranteed to be unique within the topic. This value may be read by a
@@ -1114,13 +1048,13 @@ public Builder putAllAttributes(java.util.Map
      *
      * string message_id = 3;
-     *
      * @return The messageId.
      */
     public java.lang.String getMessageId() {
       java.lang.Object ref = messageId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         messageId_ = s;
         return s;
@@ -1129,8 +1063,6 @@ public java.lang.String getMessageId() {
       }
     }
     /**
-     *
-     *
      * 
              * ID of this message, assigned by the server when the message is published.
      * Guaranteed to be unique within the topic. This value may be read by a
@@ -1139,14 +1071,15 @@ public java.lang.String getMessageId() {
      * 
        
      *
      * string message_id = 3;
-     *
      * @return The bytes for messageId.
      */
-    public com.google.protobuf.ByteString getMessageIdBytes() {
+    public com.google.protobuf.ByteString
+        getMessageIdBytes() {
       java.lang.Object ref = messageId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         messageId_ = b;
         return b;
       } else {
@@ -1154,8 +1087,6 @@ public com.google.protobuf.ByteString getMessageIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * ID of this message, assigned by the server when the message is published.
      * Guaranteed to be unique within the topic. This value may be read by a
@@ -1164,22 +1095,18 @@ public com.google.protobuf.ByteString getMessageIdBytes() {
      * 
        
      *
      * string message_id = 3;
-     *
      * @param value The messageId to set.
      * @return This builder for chaining.
      */
-    public Builder setMessageId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setMessageId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       messageId_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * ID of this message, assigned by the server when the message is published.
      * Guaranteed to be unique within the topic. This value may be read by a
@@ -1188,7 +1115,6 @@ public Builder setMessageId(java.lang.String value) {
      * 
        
      *
      * string message_id = 3;
-     *
      * @return This builder for chaining.
      */
     public Builder clearMessageId() {
@@ -1198,8 +1124,6 @@ public Builder clearMessageId() {
       return this;
     }
     /**
-     *
-     *
      * 
              * ID of this message, assigned by the server when the message is published.
      * Guaranteed to be unique within the topic. This value may be read by a
@@ -1208,14 +1132,12 @@ public Builder clearMessageId() {
      * 
        
      *
      * string message_id = 3;
-     *
      * @param value The bytes for messageId to set.
      * @return This builder for chaining.
      */
-    public Builder setMessageIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setMessageIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       messageId_ = value;
       bitField0_ |= 0x00000004;
@@ -1225,13 +1147,8 @@ public Builder setMessageIdBytes(com.google.protobuf.ByteString value) {
 
     private com.google.protobuf.Timestamp publishTime_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        publishTimeBuilder_;
+        com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder> publishTimeBuilder_;
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1239,15 +1156,12 @@ public Builder setMessageIdBytes(com.google.protobuf.ByteString value) {
      * 
        
      *
      * .google.protobuf.Timestamp publish_time = 4;
-     *
      * @return Whether the publishTime field is set.
      */
     public boolean hasPublishTime() {
       return ((bitField0_ & 0x00000008) != 0);
     }
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1255,21 +1169,16 @@ public boolean hasPublishTime() {
      * 
        
      *
      * .google.protobuf.Timestamp publish_time = 4;
-     *
      * @return The publishTime.
      */
     public com.google.protobuf.Timestamp getPublishTime() {
       if (publishTimeBuilder_ == null) {
-        return publishTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : publishTime_;
+        return publishTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : publishTime_;
       } else {
         return publishTimeBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1292,8 +1201,6 @@ public Builder setPublishTime(com.google.protobuf.Timestamp value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1302,7 +1209,8 @@ public Builder setPublishTime(com.google.protobuf.Timestamp value) {
      *
      * .google.protobuf.Timestamp publish_time = 4;
      */
-    public Builder setPublishTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+    public Builder setPublishTime(
+        com.google.protobuf.Timestamp.Builder builderForValue) {
       if (publishTimeBuilder_ == null) {
         publishTime_ = builderForValue.build();
       } else {
@@ -1313,8 +1221,6 @@ public Builder setPublishTime(com.google.protobuf.Timestamp.Builder builderForVa
       return this;
     }
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1325,9 +1231,9 @@ public Builder setPublishTime(com.google.protobuf.Timestamp.Builder builderForVa
      */
     public Builder mergePublishTime(com.google.protobuf.Timestamp value) {
       if (publishTimeBuilder_ == null) {
-        if (((bitField0_ & 0x00000008) != 0)
-            && publishTime_ != null
-            && publishTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000008) != 0) &&
+          publishTime_ != null &&
+          publishTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
           getPublishTimeBuilder().mergeFrom(value);
         } else {
           publishTime_ = value;
@@ -1340,8 +1246,6 @@ public Builder mergePublishTime(com.google.protobuf.Timestamp value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1361,8 +1265,6 @@ public Builder clearPublishTime() {
       return this;
     }
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1377,8 +1279,6 @@ public com.google.protobuf.Timestamp.Builder getPublishTimeBuilder() {
       return getPublishTimeFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1391,14 +1291,11 @@ public com.google.protobuf.TimestampOrBuilder getPublishTimeOrBuilder() {
       if (publishTimeBuilder_ != null) {
         return publishTimeBuilder_.getMessageOrBuilder();
       } else {
-        return publishTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : publishTime_;
+        return publishTime_ == null ?
+            com.google.protobuf.Timestamp.getDefaultInstance() : publishTime_;
       }
     }
     /**
-     *
-     *
      * 
              * The time at which the message was published, populated by the server when
      * it receives the `Publish` call. It must not be populated by the
@@ -1408,17 +1305,14 @@ public com.google.protobuf.TimestampOrBuilder getPublishTimeOrBuilder() {
      * .google.protobuf.Timestamp publish_time = 4;
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
+        com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder> 
         getPublishTimeFieldBuilder() {
       if (publishTimeBuilder_ == null) {
-        publishTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Timestamp,
-                com.google.protobuf.Timestamp.Builder,
-                com.google.protobuf.TimestampOrBuilder>(
-                getPublishTime(), getParentForChildren(), isClean());
+        publishTimeBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder>(
+                getPublishTime(),
+                getParentForChildren(),
+                isClean());
         publishTime_ = null;
       }
       return publishTimeBuilder_;
@@ -1426,27 +1320,25 @@ public com.google.protobuf.TimestampOrBuilder getPublishTimeOrBuilder() {
 
     private java.lang.Object orderingKey_ = "";
     /**
-     *
-     *
      * 
        -     * If non-empty, identifies related messages for which publish order should be
-     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-     * messages published with the same non-empty `ordering_key` value will be
-     * delivered to subscribers in the order in which they are received by the
-     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-     * must specify the same `ordering_key` value.
-     * For more information, see [ordering
+     * Optional. If non-empty, identifies related messages for which publish order
+     * should be respected. If a `Subscription` has `enable_message_ordering` set
+     * to `true`, messages published with the same non-empty `ordering_key` value
+     * will be delivered to subscribers in the order in which they are received by
+     * the Pub/Sub system. All `PubsubMessage`s published in a given
+     * `PublishRequest` must specify the same `ordering_key` value. For more
+     * information, see [ordering
      * messages](https://cloud.google.com/pubsub/docs/ordering).
      * 
        
      *
-     * string ordering_key = 5;
-     *
+     * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return The orderingKey.
      */
     public java.lang.String getOrderingKey() {
       java.lang.Object ref = orderingKey_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         orderingKey_ = s;
         return s;
@@ -1455,28 +1347,27 @@ public java.lang.String getOrderingKey() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If non-empty, identifies related messages for which publish order should be
-     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-     * messages published with the same non-empty `ordering_key` value will be
-     * delivered to subscribers in the order in which they are received by the
-     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-     * must specify the same `ordering_key` value.
-     * For more information, see [ordering
+     * Optional. If non-empty, identifies related messages for which publish order
+     * should be respected. If a `Subscription` has `enable_message_ordering` set
+     * to `true`, messages published with the same non-empty `ordering_key` value
+     * will be delivered to subscribers in the order in which they are received by
+     * the Pub/Sub system. All `PubsubMessage`s published in a given
+     * `PublishRequest` must specify the same `ordering_key` value. For more
+     * information, see [ordering
      * messages](https://cloud.google.com/pubsub/docs/ordering).
      * 
        
      *
-     * string ordering_key = 5;
-     *
+     * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for orderingKey.
      */
-    public com.google.protobuf.ByteString getOrderingKeyBytes() {
+    public com.google.protobuf.ByteString
+        getOrderingKeyBytes() {
       java.lang.Object ref = orderingKey_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         orderingKey_ = b;
         return b;
       } else {
@@ -1484,49 +1375,42 @@ public com.google.protobuf.ByteString getOrderingKeyBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If non-empty, identifies related messages for which publish order should be
-     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-     * messages published with the same non-empty `ordering_key` value will be
-     * delivered to subscribers in the order in which they are received by the
-     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-     * must specify the same `ordering_key` value.
-     * For more information, see [ordering
+     * Optional. If non-empty, identifies related messages for which publish order
+     * should be respected. If a `Subscription` has `enable_message_ordering` set
+     * to `true`, messages published with the same non-empty `ordering_key` value
+     * will be delivered to subscribers in the order in which they are received by
+     * the Pub/Sub system. All `PubsubMessage`s published in a given
+     * `PublishRequest` must specify the same `ordering_key` value. For more
+     * information, see [ordering
      * messages](https://cloud.google.com/pubsub/docs/ordering).
      * 
        
      *
-     * string ordering_key = 5;
-     *
+     * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The orderingKey to set.
      * @return This builder for chaining.
      */
-    public Builder setOrderingKey(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setOrderingKey(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       orderingKey_ = value;
       bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If non-empty, identifies related messages for which publish order should be
-     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-     * messages published with the same non-empty `ordering_key` value will be
-     * delivered to subscribers in the order in which they are received by the
-     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-     * must specify the same `ordering_key` value.
-     * For more information, see [ordering
+     * Optional. If non-empty, identifies related messages for which publish order
+     * should be respected. If a `Subscription` has `enable_message_ordering` set
+     * to `true`, messages published with the same non-empty `ordering_key` value
+     * will be delivered to subscribers in the order in which they are received by
+     * the Pub/Sub system. All `PubsubMessage`s published in a given
+     * `PublishRequest` must specify the same `ordering_key` value. For more
+     * information, see [ordering
      * messages](https://cloud.google.com/pubsub/docs/ordering).
      * 
        
      *
-     * string ordering_key = 5;
-     *
+     * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearOrderingKey() {
@@ -1536,37 +1420,33 @@ public Builder clearOrderingKey() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If non-empty, identifies related messages for which publish order should be
-     * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-     * messages published with the same non-empty `ordering_key` value will be
-     * delivered to subscribers in the order in which they are received by the
-     * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-     * must specify the same `ordering_key` value.
-     * For more information, see [ordering
+     * Optional. If non-empty, identifies related messages for which publish order
+     * should be respected. If a `Subscription` has `enable_message_ordering` set
+     * to `true`, messages published with the same non-empty `ordering_key` value
+     * will be delivered to subscribers in the order in which they are received by
+     * the Pub/Sub system. All `PubsubMessage`s published in a given
+     * `PublishRequest` must specify the same `ordering_key` value. For more
+     * information, see [ordering
      * messages](https://cloud.google.com/pubsub/docs/ordering).
      * 
        
      *
-     * string ordering_key = 5;
-     *
+     * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for orderingKey to set.
      * @return This builder for chaining.
      */
-    public Builder setOrderingKeyBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setOrderingKeyBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       orderingKey_ = value;
       bitField0_ |= 0x00000010;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1576,12 +1456,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PubsubMessage)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.PubsubMessage)
   private static final com.google.pubsub.v1.PubsubMessage DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.PubsubMessage();
   }
@@ -1590,27 +1470,27 @@ public static com.google.pubsub.v1.PubsubMessage getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public PubsubMessage parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public PubsubMessage parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1625,4 +1505,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.PubsubMessage getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessageOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessageOrBuilder.java
new file mode 100644
index 000000000..479e406bb
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessageOrBuilder.java
@@ -0,0 +1,177 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface PubsubMessageOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PubsubMessage)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The message data field. If this field is empty, the message must
+   * contain at least one attribute.
+   * 
        
+   *
+   * bytes data = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The data.
+   */
+  com.google.protobuf.ByteString getData();
+
+  /**
+   * 
        +   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
+   * subscription.
+   * 
        
+   *
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  int getAttributesCount();
+  /**
+   * 
        +   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
+   * subscription.
+   * 
        
+   *
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  boolean containsAttributes(
+      java.lang.String key);
+  /**
+   * Use {@link #getAttributesMap()} instead.
+   */
+  @java.lang.Deprecated
+  java.util.Map
+  getAttributes();
+  /**
+   * 
        +   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
+   * subscription.
+   * 
        
+   *
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.Map
+  getAttributesMap();
+  /**
+   * 
        +   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
+   * subscription.
+   * 
        
+   *
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  /* nullable */
+java.lang.String getAttributesOrDefault(
+      java.lang.String key,
+      /* nullable */
+java.lang.String defaultValue);
+  /**
+   * 
        +   * Optional. Attributes for this message. If this field is empty, the message
+   * must contain non-empty data. This can be used to filter messages on the
+   * subscription.
+   * 
        
+   *
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.lang.String getAttributesOrThrow(
+      java.lang.String key);
+
+  /**
+   * 
        +   * ID of this message, assigned by the server when the message is published.
+   * Guaranteed to be unique within the topic. This value may be read by a
+   * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
+   * delivery. It must not be populated by the publisher in a `Publish` call.
+   * 
        
+   *
+   * string message_id = 3;
+   * @return The messageId.
+   */
+  java.lang.String getMessageId();
+  /**
+   * 
        +   * ID of this message, assigned by the server when the message is published.
+   * Guaranteed to be unique within the topic. This value may be read by a
+   * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
+   * delivery. It must not be populated by the publisher in a `Publish` call.
+   * 
        
+   *
+   * string message_id = 3;
+   * @return The bytes for messageId.
+   */
+  com.google.protobuf.ByteString
+      getMessageIdBytes();
+
+  /**
+   * 
        +   * The time at which the message was published, populated by the server when
+   * it receives the `Publish` call. It must not be populated by the
+   * publisher in a `Publish` call.
+   * 
        
+   *
+   * .google.protobuf.Timestamp publish_time = 4;
+   * @return Whether the publishTime field is set.
+   */
+  boolean hasPublishTime();
+  /**
+   * 
        +   * The time at which the message was published, populated by the server when
+   * it receives the `Publish` call. It must not be populated by the
+   * publisher in a `Publish` call.
+   * 
        
+   *
+   * .google.protobuf.Timestamp publish_time = 4;
+   * @return The publishTime.
+   */
+  com.google.protobuf.Timestamp getPublishTime();
+  /**
+   * 
        +   * The time at which the message was published, populated by the server when
+   * it receives the `Publish` call. It must not be populated by the
+   * publisher in a `Publish` call.
+   * 
        
+   *
+   * .google.protobuf.Timestamp publish_time = 4;
+   */
+  com.google.protobuf.TimestampOrBuilder getPublishTimeOrBuilder();
+
+  /**
+   * 
        +   * Optional. If non-empty, identifies related messages for which publish order
+   * should be respected. If a `Subscription` has `enable_message_ordering` set
+   * to `true`, messages published with the same non-empty `ordering_key` value
+   * will be delivered to subscribers in the order in which they are received by
+   * the Pub/Sub system. All `PubsubMessage`s published in a given
+   * `PublishRequest` must specify the same `ordering_key` value. For more
+   * information, see [ordering
+   * messages](https://cloud.google.com/pubsub/docs/ordering).
+   * 
        
+   *
+   * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The orderingKey.
+   */
+  java.lang.String getOrderingKey();
+  /**
+   * 
        +   * Optional. If non-empty, identifies related messages for which publish order
+   * should be respected. If a `Subscription` has `enable_message_ordering` set
+   * to `true`, messages published with the same non-empty `ordering_key` value
+   * will be delivered to subscribers in the order in which they are received by
+   * the Pub/Sub system. All `PubsubMessage`s published in a given
+   * `PublishRequest` must specify the same `ordering_key` value. For more
+   * information, see [ordering
+   * messages](https://cloud.google.com/pubsub/docs/ordering).
+   * 
        
+   *
+   * string ordering_key = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for orderingKey.
+   */
+  com.google.protobuf.ByteString
+      getOrderingKeyBytes();
+}
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubProto.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubProto.java
new file mode 100644
index 000000000..c95289282
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubProto.java
@@ -0,0 +1,1113 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public final class PubsubProto {
+  private PubsubProto() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_MessageStoragePolicy_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_SchemaSettings_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_SchemaSettings_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_IngestionDataSourceSettings_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_Topic_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_Topic_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_Topic_LabelsEntry_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_Topic_LabelsEntry_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PubsubMessage_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PubsubMessage_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PubsubMessage_AttributesEntry_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PubsubMessage_AttributesEntry_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_GetTopicRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_GetTopicRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_UpdateTopicRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PublishRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PublishRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PublishResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PublishResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListTopicsRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListTopicsRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListTopicsResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListTopicsResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_DeleteTopicRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_DetachSubscriptionRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_DetachSubscriptionResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_Subscription_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_Subscription_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_Subscription_LabelsEntry_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_Subscription_LabelsEntry_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_RetryPolicy_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_RetryPolicy_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_DeadLetterPolicy_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ExpirationPolicy_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ExpirationPolicy_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PushConfig_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PushConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PushConfig_OidcToken_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PushConfig_NoWrapper_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_PushConfig_AttributesEntry_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_PushConfig_AttributesEntry_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_BigQueryConfig_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_BigQueryConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_CloudStorageConfig_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_CloudStorageConfig_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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+      "\n\035google/pubsub/v1/pubsub.proto\022\020google." +
+      "pubsub.v1\032\034google/api/annotations.proto\032" +
+      "\027google/api/client.proto\032\037google/api/fie" +
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+      "subscriptions/*}\022\273\001\n\022UpdateSubscription\022" +
+      "+.google.pubsub.v1.UpdateSubscriptionReq" +
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+      "e.pubsub.v1.ListSubscriptionsResponse\"8\332" +
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+      "}/subscriptions\022\237\001\n\022DeleteSubscription\022+" +
+      ".google.pubsub.v1.DeleteSubscriptionRequ" +
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+      "\001\n\004Pull\022\035.google.pubsub.v1.PullRequest\032\036" +
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+      "difyPushConfig\022).google.pubsub.v1.Modify" +
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+      "/*}\022\226\001\n\rListSnapshots\022&.google.pubsub.v1" +
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+      ".ListSnapshotsResponse\"4\332A\007project\202\323\344\223\002$" +
+      "\022\"/v1/{project=projects/*}/snapshots\022\227\001\n" +
+      "\016CreateSnapshot\022\'.google.pubsub.v1.Creat" +
+      "eSnapshotRequest\032\032.google.pubsub.v1.Snap" +
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+      "ame=projects/*/snapshots/*}:\001*\022\243\001\n\016Updat" +
+      "eSnapshot\022\'.google.pubsub.v1.UpdateSnaps" +
+      "hotRequest\032\032.google.pubsub.v1.Snapshot\"L" +
+      "\332A\024snapshot,update_mask\202\323\344\223\002/2*/v1/{snap" +
+      "shot.name=projects/*/snapshots/*}:\001*\022\213\001\n" +
+      "\016DeleteSnapshot\022\'.google.pubsub.v1.Delet" +
+      "eSnapshotRequest\032\026.google.protobuf.Empty" +
+      "\"8\332A\010snapshot\202\323\344\223\002\'*%/v1/{snapshot=proje" +
+      "cts/*/snapshots/*}\022\204\001\n\004Seek\022\035.google.pub" +
+      "sub.v1.SeekRequest\032\036.google.pubsub.v1.Se" +
+      "ekResponse\"=\202\323\344\223\0027\"2/v1/{subscription=pr" +
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+      "ud\\PubSub\\V1\352\002\031Google::Cloud::PubSub::V1" +
+      "b\006proto3"
+    };
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+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+          com.google.api.AnnotationsProto.getDescriptor(),
+          com.google.api.ClientProto.getDescriptor(),
+          com.google.api.FieldBehaviorProto.getDescriptor(),
+          com.google.api.ResourceProto.getDescriptor(),
+          com.google.protobuf.DurationProto.getDescriptor(),
+          com.google.protobuf.EmptyProto.getDescriptor(),
+          com.google.protobuf.FieldMaskProto.getDescriptor(),
+          com.google.protobuf.TimestampProto.getDescriptor(),
+          com.google.pubsub.v1.SchemaProto.getDescriptor(),
+        });
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+      getDescriptor().getMessageTypes().get(0);
+    internal_static_google_pubsub_v1_MessageStoragePolicy_fieldAccessorTable = new
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+        internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor,
+        new java.lang.String[] { "AllowedPersistenceRegions", "EnforceInTransit", });
+    internal_static_google_pubsub_v1_SchemaSettings_descriptor =
+      getDescriptor().getMessageTypes().get(1);
+    internal_static_google_pubsub_v1_SchemaSettings_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_SchemaSettings_descriptor,
+        new java.lang.String[] { "Schema", "Encoding", "FirstRevisionId", "LastRevisionId", });
+    internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor =
+      getDescriptor().getMessageTypes().get(2);
+    internal_static_google_pubsub_v1_IngestionDataSourceSettings_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor,
+        new java.lang.String[] { "AwsKinesis", "Source", });
+    internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor =
+      internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_fieldAccessorTable = new
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+        internal_static_google_pubsub_v1_IngestionDataSourceSettings_AwsKinesis_descriptor,
+        new java.lang.String[] { "State", "StreamArn", "ConsumerArn", "AwsRoleArn", "GcpServiceAccount", });
+    internal_static_google_pubsub_v1_Topic_descriptor =
+      getDescriptor().getMessageTypes().get(3);
+    internal_static_google_pubsub_v1_Topic_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_Topic_descriptor,
+        new java.lang.String[] { "Name", "Labels", "MessageStoragePolicy", "KmsKeyName", "SchemaSettings", "SatisfiesPzs", "MessageRetentionDuration", "State", "IngestionDataSourceSettings", });
+    internal_static_google_pubsub_v1_Topic_LabelsEntry_descriptor =
+      internal_static_google_pubsub_v1_Topic_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_Topic_LabelsEntry_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_Topic_LabelsEntry_descriptor,
+        new java.lang.String[] { "Key", "Value", });
+    internal_static_google_pubsub_v1_PubsubMessage_descriptor =
+      getDescriptor().getMessageTypes().get(4);
+    internal_static_google_pubsub_v1_PubsubMessage_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PubsubMessage_descriptor,
+        new java.lang.String[] { "Data", "Attributes", "MessageId", "PublishTime", "OrderingKey", });
+    internal_static_google_pubsub_v1_PubsubMessage_AttributesEntry_descriptor =
+      internal_static_google_pubsub_v1_PubsubMessage_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_PubsubMessage_AttributesEntry_fieldAccessorTable = new
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+        new java.lang.String[] { "Key", "Value", });
+    internal_static_google_pubsub_v1_GetTopicRequest_descriptor =
+      getDescriptor().getMessageTypes().get(5);
+    internal_static_google_pubsub_v1_GetTopicRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_GetTopicRequest_descriptor,
+        new java.lang.String[] { "Topic", });
+    internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor =
+      getDescriptor().getMessageTypes().get(6);
+    internal_static_google_pubsub_v1_UpdateTopicRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor,
+        new java.lang.String[] { "Topic", "UpdateMask", });
+    internal_static_google_pubsub_v1_PublishRequest_descriptor =
+      getDescriptor().getMessageTypes().get(7);
+    internal_static_google_pubsub_v1_PublishRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PublishRequest_descriptor,
+        new java.lang.String[] { "Topic", "Messages", });
+    internal_static_google_pubsub_v1_PublishResponse_descriptor =
+      getDescriptor().getMessageTypes().get(8);
+    internal_static_google_pubsub_v1_PublishResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PublishResponse_descriptor,
+        new java.lang.String[] { "MessageIds", });
+    internal_static_google_pubsub_v1_ListTopicsRequest_descriptor =
+      getDescriptor().getMessageTypes().get(9);
+    internal_static_google_pubsub_v1_ListTopicsRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListTopicsRequest_descriptor,
+        new java.lang.String[] { "Project", "PageSize", "PageToken", });
+    internal_static_google_pubsub_v1_ListTopicsResponse_descriptor =
+      getDescriptor().getMessageTypes().get(10);
+    internal_static_google_pubsub_v1_ListTopicsResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListTopicsResponse_descriptor,
+        new java.lang.String[] { "Topics", "NextPageToken", });
+    internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor =
+      getDescriptor().getMessageTypes().get(11);
+    internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListTopicSubscriptionsRequest_descriptor,
+        new java.lang.String[] { "Topic", "PageSize", "PageToken", });
+    internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor =
+      getDescriptor().getMessageTypes().get(12);
+    internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListTopicSubscriptionsResponse_descriptor,
+        new java.lang.String[] { "Subscriptions", "NextPageToken", });
+    internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor =
+      getDescriptor().getMessageTypes().get(13);
+    internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListTopicSnapshotsRequest_descriptor,
+        new java.lang.String[] { "Topic", "PageSize", "PageToken", });
+    internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor =
+      getDescriptor().getMessageTypes().get(14);
+    internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListTopicSnapshotsResponse_descriptor,
+        new java.lang.String[] { "Snapshots", "NextPageToken", });
+    internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor =
+      getDescriptor().getMessageTypes().get(15);
+    internal_static_google_pubsub_v1_DeleteTopicRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_DeleteTopicRequest_descriptor,
+        new java.lang.String[] { "Topic", });
+    internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor =
+      getDescriptor().getMessageTypes().get(16);
+    internal_static_google_pubsub_v1_DetachSubscriptionRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_DetachSubscriptionRequest_descriptor,
+        new java.lang.String[] { "Subscription", });
+    internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor =
+      getDescriptor().getMessageTypes().get(17);
+    internal_static_google_pubsub_v1_DetachSubscriptionResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_DetachSubscriptionResponse_descriptor,
+        new java.lang.String[] { });
+    internal_static_google_pubsub_v1_Subscription_descriptor =
+      getDescriptor().getMessageTypes().get(18);
+    internal_static_google_pubsub_v1_Subscription_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_Subscription_descriptor,
+        new java.lang.String[] { "Name", "Topic", "PushConfig", "BigqueryConfig", "CloudStorageConfig", "AckDeadlineSeconds", "RetainAckedMessages", "MessageRetentionDuration", "Labels", "EnableMessageOrdering", "ExpirationPolicy", "Filter", "DeadLetterPolicy", "RetryPolicy", "Detached", "EnableExactlyOnceDelivery", "TopicMessageRetentionDuration", "State", });
+    internal_static_google_pubsub_v1_Subscription_LabelsEntry_descriptor =
+      internal_static_google_pubsub_v1_Subscription_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_Subscription_LabelsEntry_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_Subscription_LabelsEntry_descriptor,
+        new java.lang.String[] { "Key", "Value", });
+    internal_static_google_pubsub_v1_RetryPolicy_descriptor =
+      getDescriptor().getMessageTypes().get(19);
+    internal_static_google_pubsub_v1_RetryPolicy_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_RetryPolicy_descriptor,
+        new java.lang.String[] { "MinimumBackoff", "MaximumBackoff", });
+    internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor =
+      getDescriptor().getMessageTypes().get(20);
+    internal_static_google_pubsub_v1_DeadLetterPolicy_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_DeadLetterPolicy_descriptor,
+        new java.lang.String[] { "DeadLetterTopic", "MaxDeliveryAttempts", });
+    internal_static_google_pubsub_v1_ExpirationPolicy_descriptor =
+      getDescriptor().getMessageTypes().get(21);
+    internal_static_google_pubsub_v1_ExpirationPolicy_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ExpirationPolicy_descriptor,
+        new java.lang.String[] { "Ttl", });
+    internal_static_google_pubsub_v1_PushConfig_descriptor =
+      getDescriptor().getMessageTypes().get(22);
+    internal_static_google_pubsub_v1_PushConfig_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PushConfig_descriptor,
+        new java.lang.String[] { "PushEndpoint", "Attributes", "OidcToken", "PubsubWrapper", "NoWrapper", "AuthenticationMethod", "Wrapper", });
+    internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor =
+      internal_static_google_pubsub_v1_PushConfig_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_PushConfig_OidcToken_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor,
+        new java.lang.String[] { "ServiceAccountEmail", "Audience", });
+    internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor =
+      internal_static_google_pubsub_v1_PushConfig_descriptor.getNestedTypes().get(1);
+    internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor,
+        new java.lang.String[] { });
+    internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor =
+      internal_static_google_pubsub_v1_PushConfig_descriptor.getNestedTypes().get(2);
+    internal_static_google_pubsub_v1_PushConfig_NoWrapper_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor,
+        new java.lang.String[] { "WriteMetadata", });
+    internal_static_google_pubsub_v1_PushConfig_AttributesEntry_descriptor =
+      internal_static_google_pubsub_v1_PushConfig_descriptor.getNestedTypes().get(3);
+    internal_static_google_pubsub_v1_PushConfig_AttributesEntry_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PushConfig_AttributesEntry_descriptor,
+        new java.lang.String[] { "Key", "Value", });
+    internal_static_google_pubsub_v1_BigQueryConfig_descriptor =
+      getDescriptor().getMessageTypes().get(23);
+    internal_static_google_pubsub_v1_BigQueryConfig_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_BigQueryConfig_descriptor,
+        new java.lang.String[] { "Table", "UseTopicSchema", "WriteMetadata", "DropUnknownFields", "State", "UseTableSchema", });
+    internal_static_google_pubsub_v1_CloudStorageConfig_descriptor =
+      getDescriptor().getMessageTypes().get(24);
+    internal_static_google_pubsub_v1_CloudStorageConfig_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_CloudStorageConfig_descriptor,
+        new java.lang.String[] { "Bucket", "FilenamePrefix", "FilenameSuffix", "TextConfig", "AvroConfig", "MaxDuration", "MaxBytes", "State", "OutputFormat", });
+    internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor =
+      internal_static_google_pubsub_v1_CloudStorageConfig_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_CloudStorageConfig_TextConfig_descriptor,
+        new java.lang.String[] { });
+    internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_descriptor =
+      internal_static_google_pubsub_v1_CloudStorageConfig_descriptor.getNestedTypes().get(1);
+    internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_CloudStorageConfig_AvroConfig_descriptor,
+        new java.lang.String[] { "WriteMetadata", });
+    internal_static_google_pubsub_v1_ReceivedMessage_descriptor =
+      getDescriptor().getMessageTypes().get(25);
+    internal_static_google_pubsub_v1_ReceivedMessage_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ReceivedMessage_descriptor,
+        new java.lang.String[] { "AckId", "Message", "DeliveryAttempt", });
+    internal_static_google_pubsub_v1_GetSubscriptionRequest_descriptor =
+      getDescriptor().getMessageTypes().get(26);
+    internal_static_google_pubsub_v1_GetSubscriptionRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_GetSubscriptionRequest_descriptor,
+        new java.lang.String[] { "Subscription", });
+    internal_static_google_pubsub_v1_UpdateSubscriptionRequest_descriptor =
+      getDescriptor().getMessageTypes().get(27);
+    internal_static_google_pubsub_v1_UpdateSubscriptionRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_UpdateSubscriptionRequest_descriptor,
+        new java.lang.String[] { "Subscription", "UpdateMask", });
+    internal_static_google_pubsub_v1_ListSubscriptionsRequest_descriptor =
+      getDescriptor().getMessageTypes().get(28);
+    internal_static_google_pubsub_v1_ListSubscriptionsRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListSubscriptionsRequest_descriptor,
+        new java.lang.String[] { "Project", "PageSize", "PageToken", });
+    internal_static_google_pubsub_v1_ListSubscriptionsResponse_descriptor =
+      getDescriptor().getMessageTypes().get(29);
+    internal_static_google_pubsub_v1_ListSubscriptionsResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListSubscriptionsResponse_descriptor,
+        new java.lang.String[] { "Subscriptions", "NextPageToken", });
+    internal_static_google_pubsub_v1_DeleteSubscriptionRequest_descriptor =
+      getDescriptor().getMessageTypes().get(30);
+    internal_static_google_pubsub_v1_DeleteSubscriptionRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_DeleteSubscriptionRequest_descriptor,
+        new java.lang.String[] { "Subscription", });
+    internal_static_google_pubsub_v1_ModifyPushConfigRequest_descriptor =
+      getDescriptor().getMessageTypes().get(31);
+    internal_static_google_pubsub_v1_ModifyPushConfigRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ModifyPushConfigRequest_descriptor,
+        new java.lang.String[] { "Subscription", "PushConfig", });
+    internal_static_google_pubsub_v1_PullRequest_descriptor =
+      getDescriptor().getMessageTypes().get(32);
+    internal_static_google_pubsub_v1_PullRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PullRequest_descriptor,
+        new java.lang.String[] { "Subscription", "ReturnImmediately", "MaxMessages", });
+    internal_static_google_pubsub_v1_PullResponse_descriptor =
+      getDescriptor().getMessageTypes().get(33);
+    internal_static_google_pubsub_v1_PullResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_PullResponse_descriptor,
+        new java.lang.String[] { "ReceivedMessages", });
+    internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_descriptor =
+      getDescriptor().getMessageTypes().get(34);
+    internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ModifyAckDeadlineRequest_descriptor,
+        new java.lang.String[] { "Subscription", "AckIds", "AckDeadlineSeconds", });
+    internal_static_google_pubsub_v1_AcknowledgeRequest_descriptor =
+      getDescriptor().getMessageTypes().get(35);
+    internal_static_google_pubsub_v1_AcknowledgeRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_AcknowledgeRequest_descriptor,
+        new java.lang.String[] { "Subscription", "AckIds", });
+    internal_static_google_pubsub_v1_StreamingPullRequest_descriptor =
+      getDescriptor().getMessageTypes().get(36);
+    internal_static_google_pubsub_v1_StreamingPullRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_StreamingPullRequest_descriptor,
+        new java.lang.String[] { "Subscription", "AckIds", "ModifyDeadlineSeconds", "ModifyDeadlineAckIds", "StreamAckDeadlineSeconds", "ClientId", "MaxOutstandingMessages", "MaxOutstandingBytes", });
+    internal_static_google_pubsub_v1_StreamingPullResponse_descriptor =
+      getDescriptor().getMessageTypes().get(37);
+    internal_static_google_pubsub_v1_StreamingPullResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_StreamingPullResponse_descriptor,
+        new java.lang.String[] { "ReceivedMessages", "AcknowledgeConfirmation", "ModifyAckDeadlineConfirmation", "SubscriptionProperties", });
+    internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_descriptor =
+      internal_static_google_pubsub_v1_StreamingPullResponse_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_descriptor,
+        new java.lang.String[] { "AckIds", "InvalidAckIds", "UnorderedAckIds", "TemporaryFailedAckIds", });
+    internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_descriptor =
+      internal_static_google_pubsub_v1_StreamingPullResponse_descriptor.getNestedTypes().get(1);
+    internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_descriptor,
+        new java.lang.String[] { "AckIds", "InvalidAckIds", "TemporaryFailedAckIds", });
+    internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_descriptor =
+      internal_static_google_pubsub_v1_StreamingPullResponse_descriptor.getNestedTypes().get(2);
+    internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_descriptor,
+        new java.lang.String[] { "ExactlyOnceDeliveryEnabled", "MessageOrderingEnabled", });
+    internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor =
+      getDescriptor().getMessageTypes().get(38);
+    internal_static_google_pubsub_v1_CreateSnapshotRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor,
+        new java.lang.String[] { "Name", "Subscription", "Labels", });
+    internal_static_google_pubsub_v1_CreateSnapshotRequest_LabelsEntry_descriptor =
+      internal_static_google_pubsub_v1_CreateSnapshotRequest_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_CreateSnapshotRequest_LabelsEntry_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_CreateSnapshotRequest_LabelsEntry_descriptor,
+        new java.lang.String[] { "Key", "Value", });
+    internal_static_google_pubsub_v1_UpdateSnapshotRequest_descriptor =
+      getDescriptor().getMessageTypes().get(39);
+    internal_static_google_pubsub_v1_UpdateSnapshotRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_UpdateSnapshotRequest_descriptor,
+        new java.lang.String[] { "Snapshot", "UpdateMask", });
+    internal_static_google_pubsub_v1_Snapshot_descriptor =
+      getDescriptor().getMessageTypes().get(40);
+    internal_static_google_pubsub_v1_Snapshot_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_Snapshot_descriptor,
+        new java.lang.String[] { "Name", "Topic", "ExpireTime", "Labels", });
+    internal_static_google_pubsub_v1_Snapshot_LabelsEntry_descriptor =
+      internal_static_google_pubsub_v1_Snapshot_descriptor.getNestedTypes().get(0);
+    internal_static_google_pubsub_v1_Snapshot_LabelsEntry_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_Snapshot_LabelsEntry_descriptor,
+        new java.lang.String[] { "Key", "Value", });
+    internal_static_google_pubsub_v1_GetSnapshotRequest_descriptor =
+      getDescriptor().getMessageTypes().get(41);
+    internal_static_google_pubsub_v1_GetSnapshotRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_GetSnapshotRequest_descriptor,
+        new java.lang.String[] { "Snapshot", });
+    internal_static_google_pubsub_v1_ListSnapshotsRequest_descriptor =
+      getDescriptor().getMessageTypes().get(42);
+    internal_static_google_pubsub_v1_ListSnapshotsRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListSnapshotsRequest_descriptor,
+        new java.lang.String[] { "Project", "PageSize", "PageToken", });
+    internal_static_google_pubsub_v1_ListSnapshotsResponse_descriptor =
+      getDescriptor().getMessageTypes().get(43);
+    internal_static_google_pubsub_v1_ListSnapshotsResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListSnapshotsResponse_descriptor,
+        new java.lang.String[] { "Snapshots", "NextPageToken", });
+    internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor =
+      getDescriptor().getMessageTypes().get(44);
+    internal_static_google_pubsub_v1_DeleteSnapshotRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor,
+        new java.lang.String[] { "Snapshot", });
+    internal_static_google_pubsub_v1_SeekRequest_descriptor =
+      getDescriptor().getMessageTypes().get(45);
+    internal_static_google_pubsub_v1_SeekRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_SeekRequest_descriptor,
+        new java.lang.String[] { "Subscription", "Time", "Snapshot", "Target", });
+    internal_static_google_pubsub_v1_SeekResponse_descriptor =
+      getDescriptor().getMessageTypes().get(46);
+    internal_static_google_pubsub_v1_SeekResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_SeekResponse_descriptor,
+        new java.lang.String[] { });
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.ClientProto.defaultHost);
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.AnnotationsProto.http);
+    registry.add(com.google.api.ClientProto.methodSignature);
+    registry.add(com.google.api.ClientProto.oauthScopes);
+    registry.add(com.google.api.ResourceProto.resource);
+    registry.add(com.google.api.ResourceProto.resourceReference);
+    com.google.protobuf.Descriptors.FileDescriptor
+        .internalUpdateFileDescriptor(descriptor, registry);
+    com.google.api.AnnotationsProto.getDescriptor();
+    com.google.api.ClientProto.getDescriptor();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.protobuf.DurationProto.getDescriptor();
+    com.google.protobuf.EmptyProto.getDescriptor();
+    com.google.protobuf.FieldMaskProto.getDescriptor();
+    com.google.protobuf.TimestampProto.getDescriptor();
+    com.google.pubsub.v1.SchemaProto.getDescriptor();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequest.java
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequest.java
index b0f5374ec..d4d647ae6 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequest.java
@@ -1,81 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `Pull` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.PullRequest}
  */
-public final class PullRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class PullRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.PullRequest)
     PullRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use PullRequest.newBuilder() to construct.
   private PullRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private PullRequest() {
     subscription_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new PullRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
     return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PullRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
             com.google.pubsub.v1.PullRequest.class, com.google.pubsub.v1.PullRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The subscription from which messages should be pulled.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -84,32 +61,30 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The subscription from which messages should be pulled.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -120,8 +95,6 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   public static final int RETURN_IMMEDIATELY_FIELD_NUMBER = 2;
   private boolean returnImmediately_ = false;
   /**
-   *
-   *
    * 
            * Optional. If this field set to true, the system will respond immediately
    * even if it there are no messages available to return in the `Pull`
@@ -132,24 +105,19 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
    * not set this field.
    * 
        
    *
-   * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
-   * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated. See
-   *     google/pubsub/v1/pubsub.proto;l=1320
+   * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+   * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated.
+   *     See google/pubsub/v1/pubsub.proto;l=1359
    * @return The returnImmediately.
    */
   @java.lang.Override
-  @java.lang.Deprecated
-  public boolean getReturnImmediately() {
+  @java.lang.Deprecated public boolean getReturnImmediately() {
     return returnImmediately_;
   }
 
   public static final int MAX_MESSAGES_FIELD_NUMBER = 3;
   private int maxMessages_ = 0;
   /**
-   *
-   *
    * 
            * Required. The maximum number of messages to return for this request. Must
    * be a positive integer. The Pub/Sub system may return fewer than the number
@@ -157,7 +125,6 @@ public boolean getReturnImmediately() {
    * 
        
    *
    * int32 max_messages = 3 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The maxMessages.
    */
   @java.lang.Override
@@ -166,7 +133,6 @@ public int getMaxMessages() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -178,7 +144,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
     }
@@ -201,10 +168,12 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, subscription_);
     }
     if (returnImmediately_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(2, returnImmediately_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(2, returnImmediately_);
     }
     if (maxMessages_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, maxMessages_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(3, maxMessages_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -214,16 +183,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.PullRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.PullRequest other = (com.google.pubsub.v1.PullRequest) obj;
 
-    if (!getSubscription().equals(other.getSubscription())) return false;
-    if (getReturnImmediately() != other.getReturnImmediately()) return false;
-    if (getMaxMessages() != other.getMaxMessages()) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
+    if (getReturnImmediately()
+        != other.getReturnImmediately()) return false;
+    if (getMaxMessages()
+        != other.getMaxMessages()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -238,7 +210,8 @@ public int hashCode() {
     hash = (37 * hash) + SUBSCRIPTION_FIELD_NUMBER;
     hash = (53 * hash) + getSubscription().hashCode();
     hash = (37 * hash) + RETURN_IMMEDIATELY_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getReturnImmediately());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getReturnImmediately());
     hash = (37 * hash) + MAX_MESSAGES_FIELD_NUMBER;
     hash = (53 * hash) + getMaxMessages();
     hash = (29 * hash) + getUnknownFields().hashCode();
@@ -246,135 +219,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.PullRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.PullRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PullRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.PullRequest parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.PullRequest parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PullRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PullRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PullRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PullRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PullRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.PullRequest parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.PullRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PullRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PullRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.PullRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `Pull` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.PullRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PullRequest)
       com.google.pubsub.v1.PullRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PullRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PullRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.PullRequest.class,
-              com.google.pubsub.v1.PullRequest.Builder.class);
+              com.google.pubsub.v1.PullRequest.class, com.google.pubsub.v1.PullRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.PullRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -386,9 +356,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PullRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullRequest_descriptor;
     }
 
     @java.lang.Override
@@ -408,9 +378,7 @@ public com.google.pubsub.v1.PullRequest build() {
     @java.lang.Override
     public com.google.pubsub.v1.PullRequest buildPartial() {
       com.google.pubsub.v1.PullRequest result = new com.google.pubsub.v1.PullRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -432,39 +400,38 @@ private void buildPartial0(com.google.pubsub.v1.PullRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.PullRequest) {
-        return mergeFrom((com.google.pubsub.v1.PullRequest) other);
+        return mergeFrom((com.google.pubsub.v1.PullRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -510,31 +477,27 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                returnImmediately_ = input.readBool();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 24:
-              {
-                maxMessages_ = input.readInt32();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 24
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              returnImmediately_ = input.readBool();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 24: {
+              maxMessages_ = input.readInt32();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 24
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -544,28 +507,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The subscription from which messages should be pulled.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -574,24 +532,21 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription from which messages should be pulled.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -599,41 +554,30 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription from which messages should be pulled.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription from which messages should be pulled.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -643,24 +587,18 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription from which messages should be pulled.
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
@@ -668,10 +606,8 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private boolean returnImmediately_;
+    private boolean returnImmediately_ ;
     /**
-     *
-     *
      * 
              * Optional. If this field set to true, the system will respond immediately
      * even if it there are no messages available to return in the `Pull`
@@ -682,22 +618,16 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
      * not set this field.
      * 
        
      *
-     * 
-     * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
-     * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated. See
-     *     google/pubsub/v1/pubsub.proto;l=1320
+     * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+     * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated.
+     *     See google/pubsub/v1/pubsub.proto;l=1359
      * @return The returnImmediately.
      */
     @java.lang.Override
-    @java.lang.Deprecated
-    public boolean getReturnImmediately() {
+    @java.lang.Deprecated public boolean getReturnImmediately() {
       return returnImmediately_;
     }
     /**
-     *
-     *
      * 
              * Optional. If this field set to true, the system will respond immediately
      * even if it there are no messages available to return in the `Pull`
@@ -708,17 +638,13 @@ public boolean getReturnImmediately() {
      * not set this field.
      * 
        
      *
-     * 
-     * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
-     * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated. See
-     *     google/pubsub/v1/pubsub.proto;l=1320
+     * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+     * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated.
+     *     See google/pubsub/v1/pubsub.proto;l=1359
      * @param value The returnImmediately to set.
      * @return This builder for chaining.
      */
-    @java.lang.Deprecated
-    public Builder setReturnImmediately(boolean value) {
+    @java.lang.Deprecated public Builder setReturnImmediately(boolean value) {
 
       returnImmediately_ = value;
       bitField0_ |= 0x00000002;
@@ -726,8 +652,6 @@ public Builder setReturnImmediately(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. If this field set to true, the system will respond immediately
      * even if it there are no messages available to return in the `Pull`
@@ -738,26 +662,20 @@ public Builder setReturnImmediately(boolean value) {
      * not set this field.
      * 
        
      *
-     * 
-     * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
-     * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated. See
-     *     google/pubsub/v1/pubsub.proto;l=1320
+     * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+     * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated.
+     *     See google/pubsub/v1/pubsub.proto;l=1359
      * @return This builder for chaining.
      */
-    @java.lang.Deprecated
-    public Builder clearReturnImmediately() {
+    @java.lang.Deprecated public Builder clearReturnImmediately() {
       bitField0_ = (bitField0_ & ~0x00000002);
       returnImmediately_ = false;
       onChanged();
       return this;
     }
 
-    private int maxMessages_;
+    private int maxMessages_ ;
     /**
-     *
-     *
      * 
              * Required. The maximum number of messages to return for this request. Must
      * be a positive integer. The Pub/Sub system may return fewer than the number
@@ -765,7 +683,6 @@ public Builder clearReturnImmediately() {
      * 
        
      *
      * int32 max_messages = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The maxMessages.
      */
     @java.lang.Override
@@ -773,8 +690,6 @@ public int getMaxMessages() {
       return maxMessages_;
     }
     /**
-     *
-     *
      * 
              * Required. The maximum number of messages to return for this request. Must
      * be a positive integer. The Pub/Sub system may return fewer than the number
@@ -782,7 +697,6 @@ public int getMaxMessages() {
      * 
        
      *
      * int32 max_messages = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The maxMessages to set.
      * @return This builder for chaining.
      */
@@ -794,8 +708,6 @@ public Builder setMaxMessages(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The maximum number of messages to return for this request. Must
      * be a positive integer. The Pub/Sub system may return fewer than the number
@@ -803,7 +715,6 @@ public Builder setMaxMessages(int value) {
      * 
        
      *
      * int32 max_messages = 3 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearMaxMessages() {
@@ -812,9 +723,9 @@ public Builder clearMaxMessages() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -824,12 +735,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PullRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.PullRequest)
   private static final com.google.pubsub.v1.PullRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.PullRequest();
   }
@@ -838,27 +749,27 @@ public static com.google.pubsub.v1.PullRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public PullRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public PullRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -873,4 +784,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.PullRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequestOrBuilder.java
similarity index 59%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequestOrBuilder.java
index 32032cbe4..6e8f695d1 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullRequestOrBuilder.java
@@ -1,62 +1,35 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface PullRequestOrBuilder
-    extends
+public interface PullRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PullRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The subscription from which messages should be pulled.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   java.lang.String getSubscription();
   /**
-   *
-   *
    * 
            * Required. The subscription from which messages should be pulled.
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
-  com.google.protobuf.ByteString getSubscriptionBytes();
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
 
   /**
-   *
-   *
    * 
            * Optional. If this field set to true, the system will respond immediately
    * even if it there are no messages available to return in the `Pull`
@@ -67,19 +40,14 @@ public interface PullRequestOrBuilder
    * not set this field.
    * 
        
    *
-   * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
-   * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated. See
-   *     google/pubsub/v1/pubsub.proto;l=1320
+   * bool return_immediately = 2 [deprecated = true, (.google.api.field_behavior) = OPTIONAL];
+   * @deprecated google.pubsub.v1.PullRequest.return_immediately is deprecated.
+   *     See google/pubsub/v1/pubsub.proto;l=1359
    * @return The returnImmediately.
    */
-  @java.lang.Deprecated
-  boolean getReturnImmediately();
+  @java.lang.Deprecated boolean getReturnImmediately();
 
   /**
-   *
-   *
    * 
            * Required. The maximum number of messages to return for this request. Must
    * be a positive integer. The Pub/Sub system may return fewer than the number
@@ -87,7 +55,6 @@ public interface PullRequestOrBuilder
    * 
        
    *
    * int32 max_messages = 3 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The maxMessages.
    */
   int getMaxMessages();
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponse.java
similarity index 66%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponse.java
index af58be968..78822bdbe 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponse.java
@@ -1,160 +1,130 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `Pull` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.PullResponse}
  */
-public final class PullResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class PullResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.PullResponse)
     PullResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use PullResponse.newBuilder() to construct.
   private PullResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private PullResponse() {
     receivedMessages_ = java.util.Collections.emptyList();
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new PullResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PullResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PullResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.PullResponse.class,
-            com.google.pubsub.v1.PullResponse.Builder.class);
+            com.google.pubsub.v1.PullResponse.class, com.google.pubsub.v1.PullResponse.Builder.class);
   }
 
   public static final int RECEIVED_MESSAGES_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private java.util.List receivedMessages_;
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.List getReceivedMessagesList() {
     return receivedMessages_;
   }
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.util.List
+  public java.util.List 
       getReceivedMessagesOrBuilderList() {
     return receivedMessages_;
   }
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public int getReceivedMessagesCount() {
     return receivedMessages_.size();
   }
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index) {
     return receivedMessages_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(int index) {
+  public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(
+      int index) {
     return receivedMessages_.get(index);
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -166,7 +136,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < receivedMessages_.size(); i++) {
       output.writeMessage(1, receivedMessages_.get(i));
     }
@@ -180,7 +151,8 @@ public int getSerializedSize() {
 
     size = 0;
     for (int i = 0; i < receivedMessages_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, receivedMessages_.get(i));
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, receivedMessages_.get(i));
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -190,14 +162,15 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.PullResponse)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.PullResponse other = (com.google.pubsub.v1.PullResponse) obj;
 
-    if (!getReceivedMessagesList().equals(other.getReceivedMessagesList())) return false;
+    if (!getReceivedMessagesList()
+        .equals(other.getReceivedMessagesList())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -218,135 +191,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.PullResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.PullResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PullResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.PullResponse parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.PullResponse parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PullResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PullResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PullResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PullResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PullResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.PullResponse parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.PullResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PullResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PullResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.PullResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `Pull` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.PullResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PullResponse)
       com.google.pubsub.v1.PullResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PullResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PullResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.PullResponse.class,
-              com.google.pubsub.v1.PullResponse.Builder.class);
+              com.google.pubsub.v1.PullResponse.class, com.google.pubsub.v1.PullResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.PullResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -362,9 +332,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PullResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PullResponse_descriptor;
     }
 
     @java.lang.Override
@@ -385,9 +355,7 @@ public com.google.pubsub.v1.PullResponse build() {
     public com.google.pubsub.v1.PullResponse buildPartial() {
       com.google.pubsub.v1.PullResponse result = new com.google.pubsub.v1.PullResponse(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -412,39 +380,38 @@ private void buildPartial0(com.google.pubsub.v1.PullResponse result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.PullResponse) {
-        return mergeFrom((com.google.pubsub.v1.PullResponse) other);
+        return mergeFrom((com.google.pubsub.v1.PullResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -471,10 +438,9 @@ public Builder mergeFrom(com.google.pubsub.v1.PullResponse other) {
             receivedMessagesBuilder_ = null;
             receivedMessages_ = other.receivedMessages_;
             bitField0_ = (bitField0_ & ~0x00000001);
-            receivedMessagesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getReceivedMessagesFieldBuilder()
-                    : null;
+            receivedMessagesBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getReceivedMessagesFieldBuilder() : null;
           } else {
             receivedMessagesBuilder_.addAllMessages(other.receivedMessages_);
           }
@@ -506,26 +472,25 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                com.google.pubsub.v1.ReceivedMessage m =
-                    input.readMessage(
-                        com.google.pubsub.v1.ReceivedMessage.parser(), extensionRegistry);
-                if (receivedMessagesBuilder_ == null) {
-                  ensureReceivedMessagesIsMutable();
-                  receivedMessages_.add(m);
-                } else {
-                  receivedMessagesBuilder_.addMessage(m);
-                }
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              com.google.pubsub.v1.ReceivedMessage m =
+                  input.readMessage(
+                      com.google.pubsub.v1.ReceivedMessage.parser(),
+                      extensionRegistry);
+              if (receivedMessagesBuilder_ == null) {
+                ensureReceivedMessagesIsMutable();
+                receivedMessages_.add(m);
+              } else {
+                receivedMessagesBuilder_.addMessage(m);
+              }
+              break;
+            } // case 10
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -535,38 +500,30 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.util.List receivedMessages_ =
-        java.util.Collections.emptyList();
-
+      java.util.Collections.emptyList();
     private void ensureReceivedMessagesIsMutable() {
       if (!((bitField0_ & 0x00000001) != 0)) {
-        receivedMessages_ =
-            new java.util.ArrayList(receivedMessages_);
+        receivedMessages_ = new java.util.ArrayList(receivedMessages_);
         bitField0_ |= 0x00000001;
-      }
+       }
     }
 
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.ReceivedMessage,
-            com.google.pubsub.v1.ReceivedMessage.Builder,
-            com.google.pubsub.v1.ReceivedMessageOrBuilder>
-        receivedMessagesBuilder_;
+        com.google.pubsub.v1.ReceivedMessage, com.google.pubsub.v1.ReceivedMessage.Builder, com.google.pubsub.v1.ReceivedMessageOrBuilder> receivedMessagesBuilder_;
 
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public java.util.List getReceivedMessagesList() {
       if (receivedMessagesBuilder_ == null) {
@@ -576,17 +533,15 @@ public java.util.List getReceivedMessagesL
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public int getReceivedMessagesCount() {
       if (receivedMessagesBuilder_ == null) {
@@ -596,17 +551,15 @@ public int getReceivedMessagesCount() {
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index) {
       if (receivedMessagesBuilder_ == null) {
@@ -616,19 +569,18 @@ public com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index) {
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setReceivedMessages(int index, com.google.pubsub.v1.ReceivedMessage value) {
+    public Builder setReceivedMessages(
+        int index, com.google.pubsub.v1.ReceivedMessage value) {
       if (receivedMessagesBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -642,17 +594,15 @@ public Builder setReceivedMessages(int index, com.google.pubsub.v1.ReceivedMessa
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setReceivedMessages(
         int index, com.google.pubsub.v1.ReceivedMessage.Builder builderForValue) {
@@ -666,17 +616,15 @@ public Builder setReceivedMessages(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addReceivedMessages(com.google.pubsub.v1.ReceivedMessage value) {
       if (receivedMessagesBuilder_ == null) {
@@ -692,19 +640,18 @@ public Builder addReceivedMessages(com.google.pubsub.v1.ReceivedMessage value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addReceivedMessages(int index, com.google.pubsub.v1.ReceivedMessage value) {
+    public Builder addReceivedMessages(
+        int index, com.google.pubsub.v1.ReceivedMessage value) {
       if (receivedMessagesBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -718,17 +665,15 @@ public Builder addReceivedMessages(int index, com.google.pubsub.v1.ReceivedMessa
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addReceivedMessages(
         com.google.pubsub.v1.ReceivedMessage.Builder builderForValue) {
@@ -742,17 +687,15 @@ public Builder addReceivedMessages(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addReceivedMessages(
         int index, com.google.pubsub.v1.ReceivedMessage.Builder builderForValue) {
@@ -766,23 +709,22 @@ public Builder addReceivedMessages(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addAllReceivedMessages(
         java.lang.Iterable values) {
       if (receivedMessagesBuilder_ == null) {
         ensureReceivedMessagesIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, receivedMessages_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, receivedMessages_);
         onChanged();
       } else {
         receivedMessagesBuilder_.addAllMessages(values);
@@ -790,17 +732,15 @@ public Builder addAllReceivedMessages(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearReceivedMessages() {
       if (receivedMessagesBuilder_ == null) {
@@ -813,17 +753,15 @@ public Builder clearReceivedMessages() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder removeReceivedMessages(int index) {
       if (receivedMessagesBuilder_ == null) {
@@ -836,56 +774,51 @@ public Builder removeReceivedMessages(int index) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.ReceivedMessage.Builder getReceivedMessagesBuilder(int index) {
+    public com.google.pubsub.v1.ReceivedMessage.Builder getReceivedMessagesBuilder(
+        int index) {
       return getReceivedMessagesFieldBuilder().getBuilder(index);
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(int index) {
+    public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(
+        int index) {
       if (receivedMessagesBuilder_ == null) {
-        return receivedMessages_.get(index);
-      } else {
+        return receivedMessages_.get(index);  } else {
         return receivedMessagesBuilder_.getMessageOrBuilder(index);
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List
-        getReceivedMessagesOrBuilderList() {
+    public java.util.List 
+         getReceivedMessagesOrBuilderList() {
       if (receivedMessagesBuilder_ != null) {
         return receivedMessagesBuilder_.getMessageOrBuilderList();
       } else {
@@ -893,68 +826,57 @@ public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilde
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.ReceivedMessage.Builder addReceivedMessagesBuilder() {
-      return getReceivedMessagesFieldBuilder()
-          .addBuilder(com.google.pubsub.v1.ReceivedMessage.getDefaultInstance());
+      return getReceivedMessagesFieldBuilder().addBuilder(
+          com.google.pubsub.v1.ReceivedMessage.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.ReceivedMessage.Builder addReceivedMessagesBuilder(int index) {
-      return getReceivedMessagesFieldBuilder()
-          .addBuilder(index, com.google.pubsub.v1.ReceivedMessage.getDefaultInstance());
+    public com.google.pubsub.v1.ReceivedMessage.Builder addReceivedMessagesBuilder(
+        int index) {
+      return getReceivedMessagesFieldBuilder().addBuilder(
+          index, com.google.pubsub.v1.ReceivedMessage.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. The list will be empty if there are no more
-     * messages available in the backlog, or if no messages could be returned
+     * Optional. Received Pub/Sub messages. The list will be empty if there are no
+     * more messages available in the backlog, or if no messages could be returned
      * before the request timeout. For JSON, the response can be entirely
      * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
      * even if there are more messages available in the backlog.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List
-        getReceivedMessagesBuilderList() {
+    public java.util.List 
+         getReceivedMessagesBuilderList() {
       return getReceivedMessagesFieldBuilder().getBuilderList();
     }
-
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.ReceivedMessage,
-            com.google.pubsub.v1.ReceivedMessage.Builder,
-            com.google.pubsub.v1.ReceivedMessageOrBuilder>
+        com.google.pubsub.v1.ReceivedMessage, com.google.pubsub.v1.ReceivedMessage.Builder, com.google.pubsub.v1.ReceivedMessageOrBuilder> 
         getReceivedMessagesFieldBuilder() {
       if (receivedMessagesBuilder_ == null) {
-        receivedMessagesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.pubsub.v1.ReceivedMessage,
-                com.google.pubsub.v1.ReceivedMessage.Builder,
-                com.google.pubsub.v1.ReceivedMessageOrBuilder>(
+        receivedMessagesBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.pubsub.v1.ReceivedMessage, com.google.pubsub.v1.ReceivedMessage.Builder, com.google.pubsub.v1.ReceivedMessageOrBuilder>(
                 receivedMessages_,
                 ((bitField0_ & 0x00000001) != 0),
                 getParentForChildren(),
@@ -963,9 +885,9 @@ public com.google.pubsub.v1.ReceivedMessage.Builder addReceivedMessagesBuilder(i
       }
       return receivedMessagesBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -975,12 +897,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PullResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.PullResponse)
   private static final com.google.pubsub.v1.PullResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.PullResponse();
   }
@@ -989,27 +911,27 @@ public static com.google.pubsub.v1.PullResponse getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public PullResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public PullResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1024,4 +946,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.PullResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponseOrBuilder.java
similarity index 56%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponseOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponseOrBuilder.java
index c3560bca8..a4a0f25f8 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponseOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PullResponseOrBuilder.java
@@ -1,97 +1,73 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface PullResponseOrBuilder
-    extends
+public interface PullResponseOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PullResponse)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.util.List getReceivedMessagesList();
+  java.util.List 
+      getReceivedMessagesList();
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index);
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   int getReceivedMessagesCount();
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.util.List
+  java.util.List 
       getReceivedMessagesOrBuilderList();
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. The list will be empty if there are no more
-   * messages available in the backlog, or if no messages could be returned
+   * Optional. Received Pub/Sub messages. The list will be empty if there are no
+   * more messages available in the backlog, or if no messages could be returned
    * before the request timeout. For JSON, the response can be entirely
    * empty. The Pub/Sub system may return fewer than the `maxMessages` requested
    * even if there are more messages available in the backlog.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
-  com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(int index);
+  com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(
+      int index);
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfig.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfig.java
similarity index 65%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfig.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfig.java
index fe9583652..19a0f4155 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfig.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfig.java
@@ -1,152 +1,125 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Configuration for a push delivery endpoint.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.PushConfig}
  */
-public final class PushConfig extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class PushConfig extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.PushConfig)
     PushConfigOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use PushConfig.newBuilder() to construct.
   private PushConfig(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private PushConfig() {
     pushEndpoint_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new PushConfig();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
     return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_descriptor;
   }
 
   @SuppressWarnings({"rawtypes"})
   @java.lang.Override
-  protected com.google.protobuf.MapField internalGetMapField(int number) {
+  protected com.google.protobuf.MapField internalGetMapField(
+      int number) {
     switch (number) {
       case 2:
         return internalGetAttributes();
       default:
-        throw new RuntimeException("Invalid map field number: " + number);
+        throw new RuntimeException(
+            "Invalid map field number: " + number);
     }
   }
-
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_PushConfig_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
             com.google.pubsub.v1.PushConfig.class, com.google.pubsub.v1.PushConfig.Builder.class);
   }
 
-  public interface OidcTokenOrBuilder
-      extends
+  public interface OidcTokenOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PushConfig.OidcToken)
       com.google.protobuf.MessageOrBuilder {
 
     /**
-     *
-     *
      * 
        -     * [Service account
+     * Optional. [Service account
      * email](https://cloud.google.com/iam/docs/service-accounts)
      * used for generating the OIDC token. For more information
      * on setting up authentication, see
      * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
      * 
        
      *
-     * string service_account_email = 1;
-     *
+     * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The serviceAccountEmail.
      */
     java.lang.String getServiceAccountEmail();
     /**
-     *
-     *
      * 
        -     * [Service account
+     * Optional. [Service account
      * email](https://cloud.google.com/iam/docs/service-accounts)
      * used for generating the OIDC token. For more information
      * on setting up authentication, see
      * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
      * 
        
      *
-     * string service_account_email = 1;
-     *
+     * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for serviceAccountEmail.
      */
-    com.google.protobuf.ByteString getServiceAccountEmailBytes();
+    com.google.protobuf.ByteString
+        getServiceAccountEmailBytes();
 
     /**
-     *
-     *
      * 
        -     * Audience to be used when generating OIDC token. The audience claim
-     * identifies the recipients that the JWT is intended for. The audience
-     * value is a single case-sensitive string. Having multiple values (array)
-     * for the audience field is not supported. More info about the OIDC JWT
-     * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-     * Note: if not specified, the Push endpoint URL will be used.
+     * Optional. Audience to be used when generating OIDC token. The audience
+     * claim identifies the recipients that the JWT is intended for. The
+     * audience value is a single case-sensitive string. Having multiple values
+     * (array) for the audience field is not supported. More info about the OIDC
+     * JWT token audience here:
+     * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+     * the Push endpoint URL will be used.
      * 
        
      *
-     * string audience = 2;
-     *
+     * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The audience.
      */
     java.lang.String getAudience();
     /**
-     *
-     *
      * 
        -     * Audience to be used when generating OIDC token. The audience claim
-     * identifies the recipients that the JWT is intended for. The audience
-     * value is a single case-sensitive string. Having multiple values (array)
-     * for the audience field is not supported. More info about the OIDC JWT
-     * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-     * Note: if not specified, the Push endpoint URL will be used.
+     * Optional. Audience to be used when generating OIDC token. The audience
+     * claim identifies the recipients that the JWT is intended for. The
+     * audience value is a single case-sensitive string. Having multiple values
+     * (array) for the audience field is not supported. More info about the OIDC
+     * JWT token audience here:
+     * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+     * the Push endpoint URL will be used.
      * 
        
      *
-     * string audience = 2;
-     *
+     * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for audience.
      */
-    com.google.protobuf.ByteString getAudienceBytes();
+    com.google.protobuf.ByteString
+        getAudienceBytes();
   }
   /**
-   *
-   *
    * 
            * Contains information needed for generating an
    * [OpenID Connect
@@ -155,16 +128,15 @@ public interface OidcTokenOrBuilder
    *
    * Protobuf type {@code google.pubsub.v1.PushConfig.OidcToken}
    */
-  public static final class OidcToken extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class OidcToken extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.PushConfig.OidcToken)
       OidcTokenOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use OidcToken.newBuilder() to construct.
     private OidcToken(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
     private OidcToken() {
       serviceAccountEmail_ = "";
       audience_ = "";
@@ -172,42 +144,37 @@ private OidcToken() {
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new OidcToken();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_OidcToken_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_OidcToken_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.PushConfig.OidcToken.class,
-              com.google.pubsub.v1.PushConfig.OidcToken.Builder.class);
+              com.google.pubsub.v1.PushConfig.OidcToken.class, com.google.pubsub.v1.PushConfig.OidcToken.Builder.class);
     }
 
     public static final int SERVICE_ACCOUNT_EMAIL_FIELD_NUMBER = 1;
-
     @SuppressWarnings("serial")
     private volatile java.lang.Object serviceAccountEmail_ = "";
     /**
-     *
-     *
      * 
        -     * [Service account
+     * Optional. [Service account
      * email](https://cloud.google.com/iam/docs/service-accounts)
      * used for generating the OIDC token. For more information
      * on setting up authentication, see
      * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
      * 
        
      *
-     * string service_account_email = 1;
-     *
+     * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The serviceAccountEmail.
      */
     @java.lang.Override
@@ -216,33 +183,33 @@ public java.lang.String getServiceAccountEmail() {
       if (ref instanceof java.lang.String) {
         return (java.lang.String) ref;
       } else {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         serviceAccountEmail_ = s;
         return s;
       }
     }
     /**
-     *
-     *
      * 
        -     * [Service account
+     * Optional. [Service account
      * email](https://cloud.google.com/iam/docs/service-accounts)
      * used for generating the OIDC token. For more information
      * on setting up authentication, see
      * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
      * 
        
      *
-     * string service_account_email = 1;
-     *
+     * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for serviceAccountEmail.
      */
     @java.lang.Override
-    public com.google.protobuf.ByteString getServiceAccountEmailBytes() {
+    public com.google.protobuf.ByteString
+        getServiceAccountEmailBytes() {
       java.lang.Object ref = serviceAccountEmail_;
       if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         serviceAccountEmail_ = b;
         return b;
       } else {
@@ -251,23 +218,20 @@ public com.google.protobuf.ByteString getServiceAccountEmailBytes() {
     }
 
     public static final int AUDIENCE_FIELD_NUMBER = 2;
-
     @SuppressWarnings("serial")
     private volatile java.lang.Object audience_ = "";
     /**
-     *
-     *
      * 
        -     * Audience to be used when generating OIDC token. The audience claim
-     * identifies the recipients that the JWT is intended for. The audience
-     * value is a single case-sensitive string. Having multiple values (array)
-     * for the audience field is not supported. More info about the OIDC JWT
-     * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-     * Note: if not specified, the Push endpoint URL will be used.
+     * Optional. Audience to be used when generating OIDC token. The audience
+     * claim identifies the recipients that the JWT is intended for. The
+     * audience value is a single case-sensitive string. Having multiple values
+     * (array) for the audience field is not supported. More info about the OIDC
+     * JWT token audience here:
+     * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+     * the Push endpoint URL will be used.
      * 
        
      *
-     * string audience = 2;
-     *
+     * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The audience.
      */
     @java.lang.Override
@@ -276,34 +240,35 @@ public java.lang.String getAudience() {
       if (ref instanceof java.lang.String) {
         return (java.lang.String) ref;
       } else {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         audience_ = s;
         return s;
       }
     }
     /**
-     *
-     *
      * 
        -     * Audience to be used when generating OIDC token. The audience claim
-     * identifies the recipients that the JWT is intended for. The audience
-     * value is a single case-sensitive string. Having multiple values (array)
-     * for the audience field is not supported. More info about the OIDC JWT
-     * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-     * Note: if not specified, the Push endpoint URL will be used.
+     * Optional. Audience to be used when generating OIDC token. The audience
+     * claim identifies the recipients that the JWT is intended for. The
+     * audience value is a single case-sensitive string. Having multiple values
+     * (array) for the audience field is not supported. More info about the OIDC
+     * JWT token audience here:
+     * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+     * the Push endpoint URL will be used.
      * 
        
      *
-     * string audience = 2;
-     *
+     * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for audience.
      */
     @java.lang.Override
-    public com.google.protobuf.ByteString getAudienceBytes() {
+    public com.google.protobuf.ByteString
+        getAudienceBytes() {
       java.lang.Object ref = audience_;
       if (ref instanceof java.lang.String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         audience_ = b;
         return b;
       } else {
@@ -312,7 +277,6 @@ public com.google.protobuf.ByteString getAudienceBytes() {
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -324,7 +288,8 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
       if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(serviceAccountEmail_)) {
         com.google.protobuf.GeneratedMessageV3.writeString(output, 1, serviceAccountEmail_);
       }
@@ -354,16 +319,17 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
       if (!(obj instanceof com.google.pubsub.v1.PushConfig.OidcToken)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.PushConfig.OidcToken other =
-          (com.google.pubsub.v1.PushConfig.OidcToken) obj;
+      com.google.pubsub.v1.PushConfig.OidcToken other = (com.google.pubsub.v1.PushConfig.OidcToken) obj;
 
-      if (!getServiceAccountEmail().equals(other.getServiceAccountEmail())) return false;
-      if (!getAudience().equals(other.getAudience())) return false;
+      if (!getServiceAccountEmail()
+          .equals(other.getServiceAccountEmail())) return false;
+      if (!getAudience()
+          .equals(other.getAudience())) return false;
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -384,94 +350,90 @@ public int hashCode() {
       return hash;
     }
 
-    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(java.nio.ByteBuffer data)
+    public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
+        java.nio.ByteBuffer data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(java.io.InputStream input)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.PushConfig.OidcToken parseDelimitedFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.PushConfig.OidcToken parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.pubsub.v1.PushConfig.OidcToken parseDelimitedFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.PushConfig.OidcToken parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
     public static Builder newBuilder(com.google.pubsub.v1.PushConfig.OidcToken prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -481,8 +443,6 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * Contains information needed for generating an
      * [OpenID Connect
@@ -491,33 +451,33 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.pubsub.v1.PushConfig.OidcToken}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PushConfig.OidcToken)
         com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_OidcToken_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_OidcToken_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.PushConfig.OidcToken.class,
-                com.google.pubsub.v1.PushConfig.OidcToken.Builder.class);
+                com.google.pubsub.v1.PushConfig.OidcToken.class, com.google.pubsub.v1.PushConfig.OidcToken.Builder.class);
       }
 
       // Construct using com.google.pubsub.v1.PushConfig.OidcToken.newBuilder()
-      private Builder() {}
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
@@ -528,9 +488,9 @@ public Builder clear() {
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_OidcToken_descriptor;
       }
 
       @java.lang.Override
@@ -549,11 +509,8 @@ public com.google.pubsub.v1.PushConfig.OidcToken build() {
 
       @java.lang.Override
       public com.google.pubsub.v1.PushConfig.OidcToken buildPartial() {
-        com.google.pubsub.v1.PushConfig.OidcToken result =
-            new com.google.pubsub.v1.PushConfig.OidcToken(this);
-        if (bitField0_ != 0) {
-          buildPartial0(result);
-        }
+        com.google.pubsub.v1.PushConfig.OidcToken result = new com.google.pubsub.v1.PushConfig.OidcToken(this);
+        if (bitField0_ != 0) { buildPartial0(result); }
         onBuilt();
         return result;
       }
@@ -572,41 +529,38 @@ private void buildPartial0(com.google.pubsub.v1.PushConfig.OidcToken result) {
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.pubsub.v1.PushConfig.OidcToken) {
-          return mergeFrom((com.google.pubsub.v1.PushConfig.OidcToken) other);
+          return mergeFrom((com.google.pubsub.v1.PushConfig.OidcToken)other);
         } else {
           super.mergeFrom(other);
           return this;
@@ -651,25 +605,22 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              case 10:
-                {
-                  serviceAccountEmail_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000001;
-                  break;
-                } // case 10
-              case 18:
-                {
-                  audience_ = input.readStringRequireUtf8();
-                  bitField0_ |= 0x00000002;
-                  break;
-                } // case 18
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              case 10: {
+                serviceAccountEmail_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 10
+              case 18: {
+                audience_ = input.readStringRequireUtf8();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 18
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -679,29 +630,26 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       private int bitField0_;
 
       private java.lang.Object serviceAccountEmail_ = "";
       /**
-       *
-       *
        * 
        -       * [Service account
+       * Optional. [Service account
        * email](https://cloud.google.com/iam/docs/service-accounts)
        * used for generating the OIDC token. For more information
        * on setting up authentication, see
        * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
        * 
        
        *
-       * string service_account_email = 1;
-       *
+       * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return The serviceAccountEmail.
        */
       public java.lang.String getServiceAccountEmail() {
         java.lang.Object ref = serviceAccountEmail_;
         if (!(ref instanceof java.lang.String)) {
-          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
           java.lang.String s = bs.toStringUtf8();
           serviceAccountEmail_ = s;
           return s;
@@ -710,25 +658,24 @@ public java.lang.String getServiceAccountEmail() {
         }
       }
       /**
-       *
-       *
        * 
        -       * [Service account
+       * Optional. [Service account
        * email](https://cloud.google.com/iam/docs/service-accounts)
        * used for generating the OIDC token. For more information
        * on setting up authentication, see
        * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
        * 
        
        *
-       * string service_account_email = 1;
-       *
+       * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return The bytes for serviceAccountEmail.
        */
-      public com.google.protobuf.ByteString getServiceAccountEmailBytes() {
+      public com.google.protobuf.ByteString
+          getServiceAccountEmailBytes() {
         java.lang.Object ref = serviceAccountEmail_;
         if (ref instanceof String) {
-          com.google.protobuf.ByteString b =
-              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
           serviceAccountEmail_ = b;
           return b;
         } else {
@@ -736,43 +683,36 @@ public com.google.protobuf.ByteString getServiceAccountEmailBytes() {
         }
       }
       /**
-       *
-       *
        * 
        -       * [Service account
+       * Optional. [Service account
        * email](https://cloud.google.com/iam/docs/service-accounts)
        * used for generating the OIDC token. For more information
        * on setting up authentication, see
        * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
        * 
        
        *
-       * string service_account_email = 1;
-       *
+       * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The serviceAccountEmail to set.
        * @return This builder for chaining.
        */
-      public Builder setServiceAccountEmail(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setServiceAccountEmail(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         serviceAccountEmail_ = value;
         bitField0_ |= 0x00000001;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * [Service account
+       * Optional. [Service account
        * email](https://cloud.google.com/iam/docs/service-accounts)
        * used for generating the OIDC token. For more information
        * on setting up authentication, see
        * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
        * 
        
        *
-       * string service_account_email = 1;
-       *
+       * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearServiceAccountEmail() {
@@ -782,25 +722,21 @@ public Builder clearServiceAccountEmail() {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * [Service account
+       * Optional. [Service account
        * email](https://cloud.google.com/iam/docs/service-accounts)
        * used for generating the OIDC token. For more information
        * on setting up authentication, see
        * [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
        * 
        
        *
-       * string service_account_email = 1;
-       *
+       * string service_account_email = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes for serviceAccountEmail to set.
        * @return This builder for chaining.
        */
-      public Builder setServiceAccountEmailBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setServiceAccountEmailBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         serviceAccountEmail_ = value;
         bitField0_ |= 0x00000001;
@@ -810,25 +746,24 @@ public Builder setServiceAccountEmailBytes(com.google.protobuf.ByteString value)
 
       private java.lang.Object audience_ = "";
       /**
-       *
-       *
        * 
        -       * Audience to be used when generating OIDC token. The audience claim
-       * identifies the recipients that the JWT is intended for. The audience
-       * value is a single case-sensitive string. Having multiple values (array)
-       * for the audience field is not supported. More info about the OIDC JWT
-       * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-       * Note: if not specified, the Push endpoint URL will be used.
+       * Optional. Audience to be used when generating OIDC token. The audience
+       * claim identifies the recipients that the JWT is intended for. The
+       * audience value is a single case-sensitive string. Having multiple values
+       * (array) for the audience field is not supported. More info about the OIDC
+       * JWT token audience here:
+       * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+       * the Push endpoint URL will be used.
        * 
        
        *
-       * string audience = 2;
-       *
+       * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return The audience.
        */
       public java.lang.String getAudience() {
         java.lang.Object ref = audience_;
         if (!(ref instanceof java.lang.String)) {
-          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+          com.google.protobuf.ByteString bs =
+              (com.google.protobuf.ByteString) ref;
           java.lang.String s = bs.toStringUtf8();
           audience_ = s;
           return s;
@@ -837,26 +772,26 @@ public java.lang.String getAudience() {
         }
       }
       /**
-       *
-       *
        * 
        -       * Audience to be used when generating OIDC token. The audience claim
-       * identifies the recipients that the JWT is intended for. The audience
-       * value is a single case-sensitive string. Having multiple values (array)
-       * for the audience field is not supported. More info about the OIDC JWT
-       * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-       * Note: if not specified, the Push endpoint URL will be used.
+       * Optional. Audience to be used when generating OIDC token. The audience
+       * claim identifies the recipients that the JWT is intended for. The
+       * audience value is a single case-sensitive string. Having multiple values
+       * (array) for the audience field is not supported. More info about the OIDC
+       * JWT token audience here:
+       * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+       * the Push endpoint URL will be used.
        * 
        
        *
-       * string audience = 2;
-       *
+       * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return The bytes for audience.
        */
-      public com.google.protobuf.ByteString getAudienceBytes() {
+      public com.google.protobuf.ByteString
+          getAudienceBytes() {
         java.lang.Object ref = audience_;
         if (ref instanceof String) {
-          com.google.protobuf.ByteString b =
-              com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
           audience_ = b;
           return b;
         } else {
@@ -864,45 +799,40 @@ public com.google.protobuf.ByteString getAudienceBytes() {
         }
       }
       /**
-       *
-       *
        * 
        -       * Audience to be used when generating OIDC token. The audience claim
-       * identifies the recipients that the JWT is intended for. The audience
-       * value is a single case-sensitive string. Having multiple values (array)
-       * for the audience field is not supported. More info about the OIDC JWT
-       * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-       * Note: if not specified, the Push endpoint URL will be used.
+       * Optional. Audience to be used when generating OIDC token. The audience
+       * claim identifies the recipients that the JWT is intended for. The
+       * audience value is a single case-sensitive string. Having multiple values
+       * (array) for the audience field is not supported. More info about the OIDC
+       * JWT token audience here:
+       * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+       * the Push endpoint URL will be used.
        * 
        
        *
-       * string audience = 2;
-       *
+       * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The audience to set.
        * @return This builder for chaining.
        */
-      public Builder setAudience(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setAudience(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         audience_ = value;
         bitField0_ |= 0x00000002;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Audience to be used when generating OIDC token. The audience claim
-       * identifies the recipients that the JWT is intended for. The audience
-       * value is a single case-sensitive string. Having multiple values (array)
-       * for the audience field is not supported. More info about the OIDC JWT
-       * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-       * Note: if not specified, the Push endpoint URL will be used.
+       * Optional. Audience to be used when generating OIDC token. The audience
+       * claim identifies the recipients that the JWT is intended for. The
+       * audience value is a single case-sensitive string. Having multiple values
+       * (array) for the audience field is not supported. More info about the OIDC
+       * JWT token audience here:
+       * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+       * the Push endpoint URL will be used.
        * 
        
        *
-       * string audience = 2;
-       *
+       * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearAudience() {
@@ -912,33 +842,29 @@ public Builder clearAudience() {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Audience to be used when generating OIDC token. The audience claim
-       * identifies the recipients that the JWT is intended for. The audience
-       * value is a single case-sensitive string. Having multiple values (array)
-       * for the audience field is not supported. More info about the OIDC JWT
-       * token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-       * Note: if not specified, the Push endpoint URL will be used.
+       * Optional. Audience to be used when generating OIDC token. The audience
+       * claim identifies the recipients that the JWT is intended for. The
+       * audience value is a single case-sensitive string. Having multiple values
+       * (array) for the audience field is not supported. More info about the OIDC
+       * JWT token audience here:
+       * https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+       * the Push endpoint URL will be used.
        * 
        
        *
-       * string audience = 2;
-       *
+       * string audience = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes for audience to set.
        * @return This builder for chaining.
        */
-      public Builder setAudienceBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setAudienceBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         audience_ = value;
         bitField0_ |= 0x00000002;
         onChanged();
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -951,12 +877,12 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PushConfig.OidcToken)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.PushConfig.OidcToken)
     private static final com.google.pubsub.v1.PushConfig.OidcToken DEFAULT_INSTANCE;
-
     static {
       DEFAULT_INSTANCE = new com.google.pubsub.v1.PushConfig.OidcToken();
     }
@@ -965,28 +891,27 @@ public static com.google.pubsub.v1.PushConfig.OidcToken getDefaultInstance() {
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public OidcToken parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public OidcToken parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -1001,15 +926,14 @@ public com.google.protobuf.Parser getParserForType() {
     public com.google.pubsub.v1.PushConfig.OidcToken getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
-  public interface PubsubWrapperOrBuilder
-      extends
+  public interface PubsubWrapperOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PushConfig.PubsubWrapper)
-      com.google.protobuf.MessageOrBuilder {}
+      com.google.protobuf.MessageOrBuilder {
+  }
   /**
-   *
-   *
    * 
            * The payload to the push endpoint is in the form of the JSON representation
    * of a PubsubMessage
@@ -1018,41 +942,39 @@ public interface PubsubWrapperOrBuilder
    *
    * Protobuf type {@code google.pubsub.v1.PushConfig.PubsubWrapper}
    */
-  public static final class PubsubWrapper extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class PubsubWrapper extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.PushConfig.PubsubWrapper)
       PubsubWrapperOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use PubsubWrapper.newBuilder() to construct.
     private PubsubWrapper(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
-    private PubsubWrapper() {}
+    private PubsubWrapper() {
+    }
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new PubsubWrapper();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.PushConfig.PubsubWrapper.class,
-              com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder.class);
+              com.google.pubsub.v1.PushConfig.PubsubWrapper.class, com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder.class);
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -1064,7 +986,8 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
       getUnknownFields().writeTo(output);
     }
 
@@ -1082,13 +1005,12 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
       if (!(obj instanceof com.google.pubsub.v1.PushConfig.PubsubWrapper)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.PushConfig.PubsubWrapper other =
-          (com.google.pubsub.v1.PushConfig.PubsubWrapper) obj;
+      com.google.pubsub.v1.PushConfig.PubsubWrapper other = (com.google.pubsub.v1.PushConfig.PubsubWrapper) obj;
 
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
@@ -1106,94 +1028,90 @@ public int hashCode() {
       return hash;
     }
 
-    public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(java.nio.ByteBuffer data)
+    public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(
+        java.nio.ByteBuffer data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(java.io.InputStream input)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseDelimitedFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseDelimitedFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.PushConfig.PubsubWrapper parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
     public static Builder newBuilder(com.google.pubsub.v1.PushConfig.PubsubWrapper prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -1203,8 +1121,6 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * The payload to the push endpoint is in the form of the JSON representation
      * of a PubsubMessage
@@ -1213,33 +1129,33 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.pubsub.v1.PushConfig.PubsubWrapper}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PushConfig.PubsubWrapper)
         com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.PushConfig.PubsubWrapper.class,
-                com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder.class);
+                com.google.pubsub.v1.PushConfig.PubsubWrapper.class, com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder.class);
       }
 
       // Construct using com.google.pubsub.v1.PushConfig.PubsubWrapper.newBuilder()
-      private Builder() {}
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
@@ -1247,9 +1163,9 @@ public Builder clear() {
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_PubsubWrapper_descriptor;
       }
 
       @java.lang.Override
@@ -1268,8 +1184,7 @@ public com.google.pubsub.v1.PushConfig.PubsubWrapper build() {
 
       @java.lang.Override
       public com.google.pubsub.v1.PushConfig.PubsubWrapper buildPartial() {
-        com.google.pubsub.v1.PushConfig.PubsubWrapper result =
-            new com.google.pubsub.v1.PushConfig.PubsubWrapper(this);
+        com.google.pubsub.v1.PushConfig.PubsubWrapper result = new com.google.pubsub.v1.PushConfig.PubsubWrapper(this);
         onBuilt();
         return result;
       }
@@ -1278,41 +1193,38 @@ public com.google.pubsub.v1.PushConfig.PubsubWrapper buildPartial() {
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.pubsub.v1.PushConfig.PubsubWrapper) {
-          return mergeFrom((com.google.pubsub.v1.PushConfig.PubsubWrapper) other);
+          return mergeFrom((com.google.pubsub.v1.PushConfig.PubsubWrapper)other);
         } else {
           super.mergeFrom(other);
           return this;
@@ -1320,8 +1232,7 @@ public Builder mergeFrom(com.google.protobuf.Message other) {
       }
 
       public Builder mergeFrom(com.google.pubsub.v1.PushConfig.PubsubWrapper other) {
-        if (other == com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance())
-          return this;
+        if (other == com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance()) return this;
         this.mergeUnknownFields(other.getUnknownFields());
         onChanged();
         return this;
@@ -1348,13 +1259,12 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1364,7 +1274,6 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -1377,12 +1286,12 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PushConfig.PubsubWrapper)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.PushConfig.PubsubWrapper)
     private static final com.google.pubsub.v1.PushConfig.PubsubWrapper DEFAULT_INSTANCE;
-
     static {
       DEFAULT_INSTANCE = new com.google.pubsub.v1.PushConfig.PubsubWrapper();
     }
@@ -1391,28 +1300,27 @@ public static com.google.pubsub.v1.PushConfig.PubsubWrapper getDefaultInstance()
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public PubsubWrapper parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public PubsubWrapper parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -1427,83 +1335,74 @@ public com.google.protobuf.Parser getParserForType() {
     public com.google.pubsub.v1.PushConfig.PubsubWrapper getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
-  public interface NoWrapperOrBuilder
-      extends
+  public interface NoWrapperOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PushConfig.NoWrapper)
       com.google.protobuf.MessageOrBuilder {
 
     /**
-     *
-     *
      * 
        -     * When true, writes the Pub/Sub message metadata to
+     * Optional. When true, writes the Pub/Sub message metadata to
      * `x-goog-pubsub-<KEY>:<VAL>` headers of the HTTP request. Writes the
      * Pub/Sub message attributes to `<KEY>:<VAL>` headers of the HTTP request.
      * 
        
      *
-     * bool write_metadata = 1;
-     *
+     * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The writeMetadata.
      */
     boolean getWriteMetadata();
   }
   /**
-   *
-   *
    * 
            * Sets the `data` field as the HTTP body for delivery.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.PushConfig.NoWrapper}
    */
-  public static final class NoWrapper extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class NoWrapper extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.PushConfig.NoWrapper)
       NoWrapperOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use NoWrapper.newBuilder() to construct.
     private NoWrapper(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
-    private NoWrapper() {}
+    private NoWrapper() {
+    }
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new NoWrapper();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_NoWrapper_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_NoWrapper_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.PushConfig.NoWrapper.class,
-              com.google.pubsub.v1.PushConfig.NoWrapper.Builder.class);
+              com.google.pubsub.v1.PushConfig.NoWrapper.class, com.google.pubsub.v1.PushConfig.NoWrapper.Builder.class);
     }
 
     public static final int WRITE_METADATA_FIELD_NUMBER = 1;
     private boolean writeMetadata_ = false;
     /**
-     *
-     *
      * 
        -     * When true, writes the Pub/Sub message metadata to
+     * Optional. When true, writes the Pub/Sub message metadata to
      * `x-goog-pubsub-<KEY>:<VAL>` headers of the HTTP request. Writes the
      * Pub/Sub message attributes to `<KEY>:<VAL>` headers of the HTTP request.
      * 
        
      *
-     * bool write_metadata = 1;
-     *
+     * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The writeMetadata.
      */
     @java.lang.Override
@@ -1512,7 +1411,6 @@ public boolean getWriteMetadata() {
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -1524,7 +1422,8 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
       if (writeMetadata_ != false) {
         output.writeBool(1, writeMetadata_);
       }
@@ -1538,7 +1437,8 @@ public int getSerializedSize() {
 
       size = 0;
       if (writeMetadata_ != false) {
-        size += com.google.protobuf.CodedOutputStream.computeBoolSize(1, writeMetadata_);
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(1, writeMetadata_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -1548,15 +1448,15 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
       if (!(obj instanceof com.google.pubsub.v1.PushConfig.NoWrapper)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.PushConfig.NoWrapper other =
-          (com.google.pubsub.v1.PushConfig.NoWrapper) obj;
+      com.google.pubsub.v1.PushConfig.NoWrapper other = (com.google.pubsub.v1.PushConfig.NoWrapper) obj;
 
-      if (getWriteMetadata() != other.getWriteMetadata()) return false;
+      if (getWriteMetadata()
+          != other.getWriteMetadata()) return false;
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -1569,100 +1469,97 @@ public int hashCode() {
       int hash = 41;
       hash = (19 * hash) + getDescriptor().hashCode();
       hash = (37 * hash) + WRITE_METADATA_FIELD_NUMBER;
-      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getWriteMetadata());
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+          getWriteMetadata());
       hash = (29 * hash) + getUnknownFields().hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
-    public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(java.nio.ByteBuffer data)
+    public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(
+        java.nio.ByteBuffer data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(byte[] data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(java.io.InputStream input)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.PushConfig.NoWrapper parseDelimitedFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.PushConfig.NoWrapper parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseDelimitedFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.PushConfig.NoWrapper parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
     public static Builder newBuilder(com.google.pubsub.v1.PushConfig.NoWrapper prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -1672,41 +1569,39 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * Sets the `data` field as the HTTP body for delivery.
      * 
        
      *
      * Protobuf type {@code google.pubsub.v1.PushConfig.NoWrapper}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PushConfig.NoWrapper)
         com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_NoWrapper_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_NoWrapper_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.PushConfig.NoWrapper.class,
-                com.google.pubsub.v1.PushConfig.NoWrapper.Builder.class);
+                com.google.pubsub.v1.PushConfig.NoWrapper.class, com.google.pubsub.v1.PushConfig.NoWrapper.Builder.class);
       }
 
       // Construct using com.google.pubsub.v1.PushConfig.NoWrapper.newBuilder()
-      private Builder() {}
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
@@ -1716,9 +1611,9 @@ public Builder clear() {
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_NoWrapper_descriptor;
       }
 
       @java.lang.Override
@@ -1737,11 +1632,8 @@ public com.google.pubsub.v1.PushConfig.NoWrapper build() {
 
       @java.lang.Override
       public com.google.pubsub.v1.PushConfig.NoWrapper buildPartial() {
-        com.google.pubsub.v1.PushConfig.NoWrapper result =
-            new com.google.pubsub.v1.PushConfig.NoWrapper(this);
-        if (bitField0_ != 0) {
-          buildPartial0(result);
-        }
+        com.google.pubsub.v1.PushConfig.NoWrapper result = new com.google.pubsub.v1.PushConfig.NoWrapper(this);
+        if (bitField0_ != 0) { buildPartial0(result); }
         onBuilt();
         return result;
       }
@@ -1757,41 +1649,38 @@ private void buildPartial0(com.google.pubsub.v1.PushConfig.NoWrapper result) {
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.pubsub.v1.PushConfig.NoWrapper) {
-          return mergeFrom((com.google.pubsub.v1.PushConfig.NoWrapper) other);
+          return mergeFrom((com.google.pubsub.v1.PushConfig.NoWrapper)other);
         } else {
           super.mergeFrom(other);
           return this;
@@ -1829,19 +1718,17 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              case 8:
-                {
-                  writeMetadata_ = input.readBool();
-                  bitField0_ |= 0x00000001;
-                  break;
-                } // case 8
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              case 8: {
+                writeMetadata_ = input.readBool();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1851,21 +1738,17 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       private int bitField0_;
 
-      private boolean writeMetadata_;
+      private boolean writeMetadata_ ;
       /**
-       *
-       *
        * 
        -       * When true, writes the Pub/Sub message metadata to
+       * Optional. When true, writes the Pub/Sub message metadata to
        * `x-goog-pubsub-<KEY>:<VAL>` headers of the HTTP request. Writes the
        * Pub/Sub message attributes to `<KEY>:<VAL>` headers of the HTTP request.
        * 
        
        *
-       * bool write_metadata = 1;
-       *
+       * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return The writeMetadata.
        */
       @java.lang.Override
@@ -1873,16 +1756,13 @@ public boolean getWriteMetadata() {
         return writeMetadata_;
       }
       /**
-       *
-       *
        * 
        -       * When true, writes the Pub/Sub message metadata to
+       * Optional. When true, writes the Pub/Sub message metadata to
        * `x-goog-pubsub-<KEY>:<VAL>` headers of the HTTP request. Writes the
        * Pub/Sub message attributes to `<KEY>:<VAL>` headers of the HTTP request.
        * 
        
        *
-       * bool write_metadata = 1;
-       *
+       * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The writeMetadata to set.
        * @return This builder for chaining.
        */
@@ -1894,16 +1774,13 @@ public Builder setWriteMetadata(boolean value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * When true, writes the Pub/Sub message metadata to
+       * Optional. When true, writes the Pub/Sub message metadata to
        * `x-goog-pubsub-<KEY>:<VAL>` headers of the HTTP request. Writes the
        * Pub/Sub message attributes to `<KEY>:<VAL>` headers of the HTTP request.
        * 
        
        *
-       * bool write_metadata = 1;
-       *
+       * bool write_metadata = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearWriteMetadata() {
@@ -1912,7 +1789,6 @@ public Builder clearWriteMetadata() {
         onChanged();
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -1925,12 +1801,12 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PushConfig.NoWrapper)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.PushConfig.NoWrapper)
     private static final com.google.pubsub.v1.PushConfig.NoWrapper DEFAULT_INSTANCE;
-
     static {
       DEFAULT_INSTANCE = new com.google.pubsub.v1.PushConfig.NoWrapper();
     }
@@ -1939,28 +1815,27 @@ public static com.google.pubsub.v1.PushConfig.NoWrapper getDefaultInstance() {
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public NoWrapper parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public NoWrapper parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -1975,21 +1850,18 @@ public com.google.protobuf.Parser getParserForType() {
     public com.google.pubsub.v1.PushConfig.NoWrapper getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
   private int authenticationMethodCase_ = 0;
-
   @SuppressWarnings("serial")
   private java.lang.Object authenticationMethod_;
-
   public enum AuthenticationMethodCase
-      implements
-          com.google.protobuf.Internal.EnumLite,
+      implements com.google.protobuf.Internal.EnumLite,
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     OIDC_TOKEN(3),
     AUTHENTICATIONMETHOD_NOT_SET(0);
     private final int value;
-
     private AuthenticationMethodCase(int value) {
       this.value = value;
     }
@@ -2005,38 +1877,32 @@ public static AuthenticationMethodCase valueOf(int value) {
 
     public static AuthenticationMethodCase forNumber(int value) {
       switch (value) {
-        case 3:
-          return OIDC_TOKEN;
-        case 0:
-          return AUTHENTICATIONMETHOD_NOT_SET;
-        default:
-          return null;
+        case 3: return OIDC_TOKEN;
+        case 0: return AUTHENTICATIONMETHOD_NOT_SET;
+        default: return null;
       }
     }
-
     public int getNumber() {
       return this.value;
     }
   };
 
-  public AuthenticationMethodCase getAuthenticationMethodCase() {
-    return AuthenticationMethodCase.forNumber(authenticationMethodCase_);
+  public AuthenticationMethodCase
+  getAuthenticationMethodCase() {
+    return AuthenticationMethodCase.forNumber(
+        authenticationMethodCase_);
   }
 
   private int wrapperCase_ = 0;
-
   @SuppressWarnings("serial")
   private java.lang.Object wrapper_;
-
   public enum WrapperCase
-      implements
-          com.google.protobuf.Internal.EnumLite,
+      implements com.google.protobuf.Internal.EnumLite,
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     PUBSUB_WRAPPER(4),
     NO_WRAPPER(5),
     WRAPPER_NOT_SET(0);
     private final int value;
-
     private WrapperCase(int value) {
       this.value = value;
     }
@@ -2052,40 +1918,33 @@ public static WrapperCase valueOf(int value) {
 
     public static WrapperCase forNumber(int value) {
       switch (value) {
-        case 4:
-          return PUBSUB_WRAPPER;
-        case 5:
-          return NO_WRAPPER;
-        case 0:
-          return WRAPPER_NOT_SET;
-        default:
-          return null;
+        case 4: return PUBSUB_WRAPPER;
+        case 5: return NO_WRAPPER;
+        case 0: return WRAPPER_NOT_SET;
+        default: return null;
       }
     }
-
     public int getNumber() {
       return this.value;
     }
   };
 
-  public WrapperCase getWrapperCase() {
-    return WrapperCase.forNumber(wrapperCase_);
+  public WrapperCase
+  getWrapperCase() {
+    return WrapperCase.forNumber(
+        wrapperCase_);
   }
 
   public static final int PUSH_ENDPOINT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object pushEndpoint_ = "";
   /**
-   *
-   *
    * 
        -   * A URL locating the endpoint to which messages should be pushed.
+   * Optional. A URL locating the endpoint to which messages should be pushed.
    * For example, a Webhook endpoint might use `https://example.com/push`.
    * 
        
    *
-   * string push_endpoint = 1;
-   *
+   * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pushEndpoint.
    */
   @java.lang.Override
@@ -2094,30 +1953,30 @@ public java.lang.String getPushEndpoint() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       pushEndpoint_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * A URL locating the endpoint to which messages should be pushed.
+   * Optional. A URL locating the endpoint to which messages should be pushed.
    * For example, a Webhook endpoint might use `https://example.com/push`.
    * 
        
    *
-   * string push_endpoint = 1;
-   *
+   * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for pushEndpoint.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getPushEndpointBytes() {
+  public com.google.protobuf.ByteString
+      getPushEndpointBytes() {
     java.lang.Object ref = pushEndpoint_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       pushEndpoint_ = b;
       return b;
     } else {
@@ -2126,37 +1985,35 @@ public com.google.protobuf.ByteString getPushEndpointBytes() {
   }
 
   public static final int ATTRIBUTES_FIELD_NUMBER = 2;
-
   private static final class AttributesDefaultEntryHolder {
-    static final com.google.protobuf.MapEntry defaultEntry =
-        com.google.protobuf.MapEntry.newDefaultInstance(
-            com.google.pubsub.v1.PubsubProto
-                .internal_static_google_pubsub_v1_PushConfig_AttributesEntry_descriptor,
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "",
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "");
+    static final com.google.protobuf.MapEntry<
+        java.lang.String, java.lang.String> defaultEntry =
+            com.google.protobuf.MapEntry
+            .newDefaultInstance(
+                com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_AttributesEntry_descriptor, 
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "",
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "");
   }
-
   @SuppressWarnings("serial")
-  private com.google.protobuf.MapField attributes_;
-
-  private com.google.protobuf.MapField internalGetAttributes() {
+  private com.google.protobuf.MapField<
+      java.lang.String, java.lang.String> attributes_;
+  private com.google.protobuf.MapField
+  internalGetAttributes() {
     if (attributes_ == null) {
-      return com.google.protobuf.MapField.emptyMapField(AttributesDefaultEntryHolder.defaultEntry);
+      return com.google.protobuf.MapField.emptyMapField(
+          AttributesDefaultEntryHolder.defaultEntry);
     }
     return attributes_;
   }
-
   public int getAttributesCount() {
     return internalGetAttributes().getMap().size();
   }
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -2178,27 +2035,26 @@ public int getAttributesCount() {
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public boolean containsAttributes(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
+  public boolean containsAttributes(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
     return internalGetAttributes().getMap().containsKey(key);
   }
-  /** Use {@link #getAttributesMap()} instead. */
+  /**
+   * Use {@link #getAttributesMap()} instead.
+   */
   @java.lang.Override
   @java.lang.Deprecated
   public java.util.Map getAttributes() {
     return getAttributesMap();
   }
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -2220,18 +2076,16 @@ public java.util.Map getAttributes() {
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.Map getAttributesMap() {
     return internalGetAttributes().getMap();
   }
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -2253,25 +2107,23 @@ public java.util.Map getAttributesMap() {
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public /* nullable */ java.lang.String getAttributesOrDefault(
+  public /* nullable */
+java.lang.String getAttributesOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetAttributes().getMap();
+java.lang.String defaultValue) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetAttributes().getMap();
     return map.containsKey(key) ? map.get(key) : defaultValue;
   }
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -2293,14 +2145,14 @@ public java.util.Map getAttributesMap() {
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.lang.String getAttributesOrThrow(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetAttributes().getMap();
+  public java.lang.String getAttributesOrThrow(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetAttributes().getMap();
     if (!map.containsKey(key)) {
       throw new java.lang.IllegalArgumentException();
     }
@@ -2309,15 +2161,13 @@ public java.lang.String getAttributesOrThrow(java.lang.String key) {
 
   public static final int OIDC_TOKEN_FIELD_NUMBER = 3;
   /**
-   *
-   *
    * 
        -   * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-   * `Authorization` header in the HTTP request for every pushed message.
+   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+   * token as an `Authorization` header in the HTTP request for every pushed
+   * message.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
-   *
+   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the oidcToken field is set.
    */
   @java.lang.Override
@@ -2325,54 +2175,48 @@ public boolean hasOidcToken() {
     return authenticationMethodCase_ == 3;
   }
   /**
-   *
-   *
    * 
        -   * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-   * `Authorization` header in the HTTP request for every pushed message.
+   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+   * token as an `Authorization` header in the HTTP request for every pushed
+   * message.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
-   *
+   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The oidcToken.
    */
   @java.lang.Override
   public com.google.pubsub.v1.PushConfig.OidcToken getOidcToken() {
     if (authenticationMethodCase_ == 3) {
-      return (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_;
+       return (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_;
     }
     return com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
   }
   /**
-   *
-   *
    * 
        -   * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-   * `Authorization` header in the HTTP request for every pushed message.
+   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+   * token as an `Authorization` header in the HTTP request for every pushed
+   * message.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder getOidcTokenOrBuilder() {
     if (authenticationMethodCase_ == 3) {
-      return (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_;
+       return (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_;
     }
     return com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
   }
 
   public static final int PUBSUB_WRAPPER_FIELD_NUMBER = 4;
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is in the form of the JSON
-   * representation of a PubsubMessage
+   * Optional. When set, the payload to the push endpoint is in the form of
+   * the JSON representation of a PubsubMessage
    * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
-   *
+   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the pubsubWrapper field is set.
    */
   @java.lang.Override
@@ -2380,54 +2224,46 @@ public boolean hasPubsubWrapper() {
     return wrapperCase_ == 4;
   }
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is in the form of the JSON
-   * representation of a PubsubMessage
+   * Optional. When set, the payload to the push endpoint is in the form of
+   * the JSON representation of a PubsubMessage
    * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
-   *
+   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pubsubWrapper.
    */
   @java.lang.Override
   public com.google.pubsub.v1.PushConfig.PubsubWrapper getPubsubWrapper() {
     if (wrapperCase_ == 4) {
-      return (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_;
+       return (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_;
     }
     return com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
   }
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is in the form of the JSON
-   * representation of a PubsubMessage
+   * Optional. When set, the payload to the push endpoint is in the form of
+   * the JSON representation of a PubsubMessage
    * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder getPubsubWrapperOrBuilder() {
     if (wrapperCase_ == 4) {
-      return (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_;
+       return (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_;
     }
     return com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
   }
 
   public static final int NO_WRAPPER_FIELD_NUMBER = 5;
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is not wrapped.
+   * Optional. When set, the payload to the push endpoint is not wrapped.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
-   *
+   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the noWrapper field is set.
    */
   @java.lang.Override
@@ -2435,42 +2271,36 @@ public boolean hasNoWrapper() {
     return wrapperCase_ == 5;
   }
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is not wrapped.
+   * Optional. When set, the payload to the push endpoint is not wrapped.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
-   *
+   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The noWrapper.
    */
   @java.lang.Override
   public com.google.pubsub.v1.PushConfig.NoWrapper getNoWrapper() {
     if (wrapperCase_ == 5) {
-      return (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_;
+       return (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_;
     }
     return com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
   }
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is not wrapped.
+   * Optional. When set, the payload to the push endpoint is not wrapped.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder getNoWrapperOrBuilder() {
     if (wrapperCase_ == 5) {
-      return (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_;
+       return (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_;
     }
     return com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -2482,12 +2312,17 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pushEndpoint_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, pushEndpoint_);
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
-        output, internalGetAttributes(), AttributesDefaultEntryHolder.defaultEntry, 2);
+    com.google.protobuf.GeneratedMessageV3
+      .serializeStringMapTo(
+        output,
+        internalGetAttributes(),
+        AttributesDefaultEntryHolder.defaultEntry,
+        2);
     if (authenticationMethodCase_ == 3) {
       output.writeMessage(3, (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_);
     }
@@ -2509,30 +2344,27 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(pushEndpoint_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, pushEndpoint_);
     }
-    for (java.util.Map.Entry entry :
-        internalGetAttributes().getMap().entrySet()) {
-      com.google.protobuf.MapEntry attributes__ =
-          AttributesDefaultEntryHolder.defaultEntry
-              .newBuilderForType()
-              .setKey(entry.getKey())
-              .setValue(entry.getValue())
-              .build();
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, attributes__);
+    for (java.util.Map.Entry entry
+         : internalGetAttributes().getMap().entrySet()) {
+      com.google.protobuf.MapEntry
+      attributes__ = AttributesDefaultEntryHolder.defaultEntry.newBuilderForType()
+          .setKey(entry.getKey())
+          .setValue(entry.getValue())
+          .build();
+      size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(2, attributes__);
     }
     if (authenticationMethodCase_ == 3) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              3, (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(3, (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_);
     }
     if (wrapperCase_ == 4) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              4, (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(4, (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_);
     }
     if (wrapperCase_ == 5) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              5, (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(5, (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -2542,19 +2374,22 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.PushConfig)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.PushConfig other = (com.google.pubsub.v1.PushConfig) obj;
 
-    if (!getPushEndpoint().equals(other.getPushEndpoint())) return false;
-    if (!internalGetAttributes().equals(other.internalGetAttributes())) return false;
+    if (!getPushEndpoint()
+        .equals(other.getPushEndpoint())) return false;
+    if (!internalGetAttributes().equals(
+        other.internalGetAttributes())) return false;
     if (!getAuthenticationMethodCase().equals(other.getAuthenticationMethodCase())) return false;
     switch (authenticationMethodCase_) {
       case 3:
-        if (!getOidcToken().equals(other.getOidcToken())) return false;
+        if (!getOidcToken()
+            .equals(other.getOidcToken())) return false;
         break;
       case 0:
       default:
@@ -2562,10 +2397,12 @@ public boolean equals(final java.lang.Object obj) {
     if (!getWrapperCase().equals(other.getWrapperCase())) return false;
     switch (wrapperCase_) {
       case 4:
-        if (!getPubsubWrapper().equals(other.getPubsubWrapper())) return false;
+        if (!getPubsubWrapper()
+            .equals(other.getPubsubWrapper())) return false;
         break;
       case 5:
-        if (!getNoWrapper().equals(other.getNoWrapper())) return false;
+        if (!getNoWrapper()
+            .equals(other.getNoWrapper())) return false;
         break;
       case 0:
       default:
@@ -2612,154 +2449,154 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.PushConfig parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.PushConfig parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PushConfig parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.PushConfig parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.PushConfig parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PushConfig parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PushConfig parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.PushConfig parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PushConfig parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PushConfig parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.PushConfig parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.PushConfig parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.PushConfig parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.PushConfig parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.PushConfig prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Configuration for a push delivery endpoint.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.PushConfig}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.PushConfig)
       com.google.pubsub.v1.PushConfigOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_descriptor;
     }
 
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMapField(
+        int number) {
       switch (number) {
         case 2:
           return internalGetAttributes();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMutableMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMutableMapField(
+        int number) {
       switch (number) {
         case 2:
           return internalGetMutableAttributes();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
               com.google.pubsub.v1.PushConfig.class, com.google.pubsub.v1.PushConfig.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.PushConfig.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -2783,9 +2620,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_PushConfig_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_PushConfig_descriptor;
     }
 
     @java.lang.Override
@@ -2805,9 +2642,7 @@ public com.google.pubsub.v1.PushConfig build() {
     @java.lang.Override
     public com.google.pubsub.v1.PushConfig buildPartial() {
       com.google.pubsub.v1.PushConfig result = new com.google.pubsub.v1.PushConfig(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       buildPartialOneofs(result);
       onBuilt();
       return result;
@@ -2827,15 +2662,18 @@ private void buildPartial0(com.google.pubsub.v1.PushConfig result) {
     private void buildPartialOneofs(com.google.pubsub.v1.PushConfig result) {
       result.authenticationMethodCase_ = authenticationMethodCase_;
       result.authenticationMethod_ = this.authenticationMethod_;
-      if (authenticationMethodCase_ == 3 && oidcTokenBuilder_ != null) {
+      if (authenticationMethodCase_ == 3 &&
+          oidcTokenBuilder_ != null) {
         result.authenticationMethod_ = oidcTokenBuilder_.build();
       }
       result.wrapperCase_ = wrapperCase_;
       result.wrapper_ = this.wrapper_;
-      if (wrapperCase_ == 4 && pubsubWrapperBuilder_ != null) {
+      if (wrapperCase_ == 4 &&
+          pubsubWrapperBuilder_ != null) {
         result.wrapper_ = pubsubWrapperBuilder_.build();
       }
-      if (wrapperCase_ == 5 && noWrapperBuilder_ != null) {
+      if (wrapperCase_ == 5 &&
+          noWrapperBuilder_ != null) {
         result.wrapper_ = noWrapperBuilder_.build();
       }
     }
@@ -2844,39 +2682,38 @@ private void buildPartialOneofs(com.google.pubsub.v1.PushConfig result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.PushConfig) {
-        return mergeFrom((com.google.pubsub.v1.PushConfig) other);
+        return mergeFrom((com.google.pubsub.v1.PushConfig)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -2890,34 +2727,30 @@ public Builder mergeFrom(com.google.pubsub.v1.PushConfig other) {
         bitField0_ |= 0x00000001;
         onChanged();
       }
-      internalGetMutableAttributes().mergeFrom(other.internalGetAttributes());
+      internalGetMutableAttributes().mergeFrom(
+          other.internalGetAttributes());
       bitField0_ |= 0x00000002;
       switch (other.getAuthenticationMethodCase()) {
-        case OIDC_TOKEN:
-          {
-            mergeOidcToken(other.getOidcToken());
-            break;
-          }
-        case AUTHENTICATIONMETHOD_NOT_SET:
-          {
-            break;
-          }
+        case OIDC_TOKEN: {
+          mergeOidcToken(other.getOidcToken());
+          break;
+        }
+        case AUTHENTICATIONMETHOD_NOT_SET: {
+          break;
+        }
       }
       switch (other.getWrapperCase()) {
-        case PUBSUB_WRAPPER:
-          {
-            mergePubsubWrapper(other.getPubsubWrapper());
-            break;
-          }
-        case NO_WRAPPER:
-          {
-            mergeNoWrapper(other.getNoWrapper());
-            break;
-          }
-        case WRAPPER_NOT_SET:
-          {
-            break;
-          }
+        case PUBSUB_WRAPPER: {
+          mergePubsubWrapper(other.getPubsubWrapper());
+          break;
+        }
+        case NO_WRAPPER: {
+          mergeNoWrapper(other.getNoWrapper());
+          break;
+        }
+        case WRAPPER_NOT_SET: {
+          break;
+        }
       }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
@@ -2945,49 +2778,47 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                pushEndpoint_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                com.google.protobuf.MapEntry attributes__ =
-                    input.readMessage(
-                        AttributesDefaultEntryHolder.defaultEntry.getParserForType(),
-                        extensionRegistry);
-                internalGetMutableAttributes()
-                    .getMutableMap()
-                    .put(attributes__.getKey(), attributes__.getValue());
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 26:
-              {
-                input.readMessage(getOidcTokenFieldBuilder().getBuilder(), extensionRegistry);
-                authenticationMethodCase_ = 3;
-                break;
-              } // case 26
-            case 34:
-              {
-                input.readMessage(getPubsubWrapperFieldBuilder().getBuilder(), extensionRegistry);
-                wrapperCase_ = 4;
-                break;
-              } // case 34
-            case 42:
-              {
-                input.readMessage(getNoWrapperFieldBuilder().getBuilder(), extensionRegistry);
-                wrapperCase_ = 5;
-                break;
-              } // case 42
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              pushEndpoint_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              com.google.protobuf.MapEntry
+              attributes__ = input.readMessage(
+                  AttributesDefaultEntryHolder.defaultEntry.getParserForType(), extensionRegistry);
+              internalGetMutableAttributes().getMutableMap().put(
+                  attributes__.getKey(), attributes__.getValue());
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 26: {
+              input.readMessage(
+                  getOidcTokenFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              authenticationMethodCase_ = 3;
+              break;
+            } // case 26
+            case 34: {
+              input.readMessage(
+                  getPubsubWrapperFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              wrapperCase_ = 4;
+              break;
+            } // case 34
+            case 42: {
+              input.readMessage(
+                  getNoWrapperFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              wrapperCase_ = 5;
+              break;
+            } // case 42
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -2997,12 +2828,12 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int authenticationMethodCase_ = 0;
     private java.lang.Object authenticationMethod_;
-
-    public AuthenticationMethodCase getAuthenticationMethodCase() {
-      return AuthenticationMethodCase.forNumber(authenticationMethodCase_);
+    public AuthenticationMethodCase
+        getAuthenticationMethodCase() {
+      return AuthenticationMethodCase.forNumber(
+          authenticationMethodCase_);
     }
 
     public Builder clearAuthenticationMethod() {
@@ -3014,9 +2845,10 @@ public Builder clearAuthenticationMethod() {
 
     private int wrapperCase_ = 0;
     private java.lang.Object wrapper_;
-
-    public WrapperCase getWrapperCase() {
-      return WrapperCase.forNumber(wrapperCase_);
+    public WrapperCase
+        getWrapperCase() {
+      return WrapperCase.forNumber(
+          wrapperCase_);
     }
 
     public Builder clearWrapper() {
@@ -3030,21 +2862,19 @@ public Builder clearWrapper() {
 
     private java.lang.Object pushEndpoint_ = "";
     /**
-     *
-     *
      * 
        -     * A URL locating the endpoint to which messages should be pushed.
+     * Optional. A URL locating the endpoint to which messages should be pushed.
      * For example, a Webhook endpoint might use `https://example.com/push`.
      * 
        
      *
-     * string push_endpoint = 1;
-     *
+     * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pushEndpoint.
      */
     public java.lang.String getPushEndpoint() {
       java.lang.Object ref = pushEndpoint_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         pushEndpoint_ = s;
         return s;
@@ -3053,22 +2883,21 @@ public java.lang.String getPushEndpoint() {
       }
     }
     /**
-     *
-     *
      * 
        -     * A URL locating the endpoint to which messages should be pushed.
+     * Optional. A URL locating the endpoint to which messages should be pushed.
      * For example, a Webhook endpoint might use `https://example.com/push`.
      * 
        
      *
-     * string push_endpoint = 1;
-     *
+     * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for pushEndpoint.
      */
-    public com.google.protobuf.ByteString getPushEndpointBytes() {
+    public com.google.protobuf.ByteString
+        getPushEndpointBytes() {
       java.lang.Object ref = pushEndpoint_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         pushEndpoint_ = b;
         return b;
       } else {
@@ -3076,37 +2905,30 @@ public com.google.protobuf.ByteString getPushEndpointBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * A URL locating the endpoint to which messages should be pushed.
+     * Optional. A URL locating the endpoint to which messages should be pushed.
      * For example, a Webhook endpoint might use `https://example.com/push`.
      * 
        
      *
-     * string push_endpoint = 1;
-     *
+     * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The pushEndpoint to set.
      * @return This builder for chaining.
      */
-    public Builder setPushEndpoint(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPushEndpoint(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       pushEndpoint_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A URL locating the endpoint to which messages should be pushed.
+     * Optional. A URL locating the endpoint to which messages should be pushed.
      * For example, a Webhook endpoint might use `https://example.com/push`.
      * 
        
      *
-     * string push_endpoint = 1;
-     *
+     * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearPushEndpoint() {
@@ -3116,22 +2938,18 @@ public Builder clearPushEndpoint() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A URL locating the endpoint to which messages should be pushed.
+     * Optional. A URL locating the endpoint to which messages should be pushed.
      * For example, a Webhook endpoint might use `https://example.com/push`.
      * 
        
      *
-     * string push_endpoint = 1;
-     *
+     * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for pushEndpoint to set.
      * @return This builder for chaining.
      */
-    public Builder setPushEndpointBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setPushEndpointBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       pushEndpoint_ = value;
       bitField0_ |= 0x00000001;
@@ -3139,8 +2957,8 @@ public Builder setPushEndpointBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private com.google.protobuf.MapField attributes_;
-
+    private com.google.protobuf.MapField<
+        java.lang.String, java.lang.String> attributes_;
     private com.google.protobuf.MapField
         internalGetAttributes() {
       if (attributes_ == null) {
@@ -3149,12 +2967,11 @@ public Builder setPushEndpointBytes(com.google.protobuf.ByteString value) {
       }
       return attributes_;
     }
-
     private com.google.protobuf.MapField
         internalGetMutableAttributes() {
       if (attributes_ == null) {
-        attributes_ =
-            com.google.protobuf.MapField.newMapField(AttributesDefaultEntryHolder.defaultEntry);
+        attributes_ = com.google.protobuf.MapField.newMapField(
+            AttributesDefaultEntryHolder.defaultEntry);
       }
       if (!attributes_.isMutable()) {
         attributes_ = attributes_.copy();
@@ -3163,16 +2980,13 @@ public Builder setPushEndpointBytes(com.google.protobuf.ByteString value) {
       onChanged();
       return attributes_;
     }
-
     public int getAttributesCount() {
       return internalGetAttributes().getMap().size();
     }
     /**
-     *
-     *
      * 
        -     * Endpoint configuration attributes that can be used to control different
-     * aspects of the message delivery.
+     * Optional. Endpoint configuration attributes that can be used to control
+     * different aspects of the message delivery.
      *
      * The only currently supported attribute is `x-goog-version`, which you can
      * use to change the format of the pushed message. This attribute
@@ -3194,27 +3008,26 @@ public int getAttributesCount() {
      * `attributes { "x-goog-version": "v1" }`
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public boolean containsAttributes(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
+    public boolean containsAttributes(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
       return internalGetAttributes().getMap().containsKey(key);
     }
-    /** Use {@link #getAttributesMap()} instead. */
+    /**
+     * Use {@link #getAttributesMap()} instead.
+     */
     @java.lang.Override
     @java.lang.Deprecated
     public java.util.Map getAttributes() {
       return getAttributesMap();
     }
     /**
-     *
-     *
      * 
        -     * Endpoint configuration attributes that can be used to control different
-     * aspects of the message delivery.
+     * Optional. Endpoint configuration attributes that can be used to control
+     * different aspects of the message delivery.
      *
      * The only currently supported attribute is `x-goog-version`, which you can
      * use to change the format of the pushed message. This attribute
@@ -3236,18 +3049,16 @@ public java.util.Map getAttributes() {
      * `attributes { "x-goog-version": "v1" }`
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public java.util.Map getAttributesMap() {
       return internalGetAttributes().getMap();
     }
     /**
-     *
-     *
      * 
        -     * Endpoint configuration attributes that can be used to control different
-     * aspects of the message delivery.
+     * Optional. Endpoint configuration attributes that can be used to control
+     * different aspects of the message delivery.
      *
      * The only currently supported attribute is `x-goog-version`, which you can
      * use to change the format of the pushed message. This attribute
@@ -3269,25 +3080,23 @@ public java.util.Map getAttributesMap() {
      * `attributes { "x-goog-version": "v1" }`
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public /* nullable */ java.lang.String getAttributesOrDefault(
+    public /* nullable */
+java.lang.String getAttributesOrDefault(
         java.lang.String key,
         /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetAttributes().getMap();
+java.lang.String defaultValue) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetAttributes().getMap();
       return map.containsKey(key) ? map.get(key) : defaultValue;
     }
     /**
-     *
-     *
      * 
        -     * Endpoint configuration attributes that can be used to control different
-     * aspects of the message delivery.
+     * Optional. Endpoint configuration attributes that can be used to control
+     * different aspects of the message delivery.
      *
      * The only currently supported attribute is `x-goog-version`, which you can
      * use to change the format of the pushed message. This attribute
@@ -3309,31 +3118,29 @@ public java.util.Map getAttributesMap() {
      * `attributes { "x-goog-version": "v1" }`
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public java.lang.String getAttributesOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetAttributes().getMap();
+    public java.lang.String getAttributesOrThrow(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetAttributes().getMap();
       if (!map.containsKey(key)) {
         throw new java.lang.IllegalArgumentException();
       }
       return map.get(key);
     }
-
     public Builder clearAttributes() {
       bitField0_ = (bitField0_ & ~0x00000002);
-      internalGetMutableAttributes().getMutableMap().clear();
+      internalGetMutableAttributes().getMutableMap()
+          .clear();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Endpoint configuration attributes that can be used to control different
-     * aspects of the message delivery.
+     * Optional. Endpoint configuration attributes that can be used to control
+     * different aspects of the message delivery.
      *
      * The only currently supported attribute is `x-goog-version`, which you can
      * use to change the format of the pushed message. This attribute
@@ -3355,27 +3162,28 @@ public Builder clearAttributes() {
      * `attributes { "x-goog-version": "v1" }`
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder removeAttributes(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableAttributes().getMutableMap().remove(key);
+    public Builder removeAttributes(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      internalGetMutableAttributes().getMutableMap()
+          .remove(key);
       return this;
     }
-    /** Use alternate mutation accessors instead. */
+    /**
+     * Use alternate mutation accessors instead.
+     */
     @java.lang.Deprecated
-    public java.util.Map getMutableAttributes() {
+    public java.util.Map
+        getMutableAttributes() {
       bitField0_ |= 0x00000002;
       return internalGetMutableAttributes().getMutableMap();
     }
     /**
-     *
-     *
      * 
        -     * Endpoint configuration attributes that can be used to control different
-     * aspects of the message delivery.
+     * Optional. Endpoint configuration attributes that can be used to control
+     * different aspects of the message delivery.
      *
      * The only currently supported attribute is `x-goog-version`, which you can
      * use to change the format of the pushed message. This attribute
@@ -3397,25 +3205,22 @@ public java.util.Map getMutableAttributes()
      * `attributes { "x-goog-version": "v1" }`
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putAttributes(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      if (value == null) {
-        throw new NullPointerException("map value");
-      }
-      internalGetMutableAttributes().getMutableMap().put(key, value);
+    public Builder putAttributes(
+        java.lang.String key,
+        java.lang.String value) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      if (value == null) { throw new NullPointerException("map value"); }
+      internalGetMutableAttributes().getMutableMap()
+          .put(key, value);
       bitField0_ |= 0x00000002;
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Endpoint configuration attributes that can be used to control different
-     * aspects of the message delivery.
+     * Optional. Endpoint configuration attributes that can be used to control
+     * different aspects of the message delivery.
      *
      * The only currently supported attribute is `x-goog-version`, which you can
      * use to change the format of the pushed message. This attribute
@@ -3437,29 +3242,26 @@ public Builder putAttributes(java.lang.String key, java.lang.String value) {
      * `attributes { "x-goog-version": "v1" }`
      * 
        
      *
-     * map<string, string> attributes = 2;
+     * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putAllAttributes(java.util.Map values) {
-      internalGetMutableAttributes().getMutableMap().putAll(values);
+    public Builder putAllAttributes(
+        java.util.Map values) {
+      internalGetMutableAttributes().getMutableMap()
+          .putAll(values);
       bitField0_ |= 0x00000002;
       return this;
     }
 
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig.OidcToken,
-            com.google.pubsub.v1.PushConfig.OidcToken.Builder,
-            com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder>
-        oidcTokenBuilder_;
+        com.google.pubsub.v1.PushConfig.OidcToken, com.google.pubsub.v1.PushConfig.OidcToken.Builder, com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder> oidcTokenBuilder_;
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
-     *
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the oidcToken field is set.
      */
     @java.lang.Override
@@ -3467,15 +3269,13 @@ public boolean hasOidcToken() {
       return authenticationMethodCase_ == 3;
     }
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
-     *
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The oidcToken.
      */
     @java.lang.Override
@@ -3493,14 +3293,13 @@ public com.google.pubsub.v1.PushConfig.OidcToken getOidcToken() {
       }
     }
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setOidcToken(com.google.pubsub.v1.PushConfig.OidcToken value) {
       if (oidcTokenBuilder_ == null) {
@@ -3516,16 +3315,16 @@ public Builder setOidcToken(com.google.pubsub.v1.PushConfig.OidcToken value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setOidcToken(com.google.pubsub.v1.PushConfig.OidcToken.Builder builderForValue) {
+    public Builder setOidcToken(
+        com.google.pubsub.v1.PushConfig.OidcToken.Builder builderForValue) {
       if (oidcTokenBuilder_ == null) {
         authenticationMethod_ = builderForValue.build();
         onChanged();
@@ -3536,25 +3335,20 @@ public Builder setOidcToken(com.google.pubsub.v1.PushConfig.OidcToken.Builder bu
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeOidcToken(com.google.pubsub.v1.PushConfig.OidcToken value) {
       if (oidcTokenBuilder_ == null) {
-        if (authenticationMethodCase_ == 3
-            && authenticationMethod_
-                != com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance()) {
-          authenticationMethod_ =
-              com.google.pubsub.v1.PushConfig.OidcToken.newBuilder(
-                      (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_)
-                  .mergeFrom(value)
-                  .buildPartial();
+        if (authenticationMethodCase_ == 3 &&
+            authenticationMethod_ != com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance()) {
+          authenticationMethod_ = com.google.pubsub.v1.PushConfig.OidcToken.newBuilder((com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_)
+              .mergeFrom(value).buildPartial();
         } else {
           authenticationMethod_ = value;
         }
@@ -3570,14 +3364,13 @@ public Builder mergeOidcToken(com.google.pubsub.v1.PushConfig.OidcToken value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearOidcToken() {
       if (oidcTokenBuilder_ == null) {
@@ -3596,27 +3389,25 @@ public Builder clearOidcToken() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.PushConfig.OidcToken.Builder getOidcTokenBuilder() {
       return getOidcTokenFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder getOidcTokenOrBuilder() {
@@ -3630,29 +3421,23 @@ public com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder getOidcTokenOrBuilder(
       }
     }
     /**
-     *
-     *
      * 
        -     * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-     * `Authorization` header in the HTTP request for every pushed message.
+     * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+     * token as an `Authorization` header in the HTTP request for every pushed
+     * message.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+     * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig.OidcToken,
-            com.google.pubsub.v1.PushConfig.OidcToken.Builder,
-            com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder>
+        com.google.pubsub.v1.PushConfig.OidcToken, com.google.pubsub.v1.PushConfig.OidcToken.Builder, com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder> 
         getOidcTokenFieldBuilder() {
       if (oidcTokenBuilder_ == null) {
         if (!(authenticationMethodCase_ == 3)) {
           authenticationMethod_ = com.google.pubsub.v1.PushConfig.OidcToken.getDefaultInstance();
         }
-        oidcTokenBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.PushConfig.OidcToken,
-                com.google.pubsub.v1.PushConfig.OidcToken.Builder,
-                com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder>(
+        oidcTokenBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.PushConfig.OidcToken, com.google.pubsub.v1.PushConfig.OidcToken.Builder, com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder>(
                 (com.google.pubsub.v1.PushConfig.OidcToken) authenticationMethod_,
                 getParentForChildren(),
                 isClean());
@@ -3664,21 +3449,15 @@ public com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder getOidcTokenOrBuilder(
     }
 
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig.PubsubWrapper,
-            com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder,
-            com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder>
-        pubsubWrapperBuilder_;
+        com.google.pubsub.v1.PushConfig.PubsubWrapper, com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder, com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder> pubsubWrapperBuilder_;
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
-     *
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the pubsubWrapper field is set.
      */
     @java.lang.Override
@@ -3686,16 +3465,13 @@ public boolean hasPubsubWrapper() {
       return wrapperCase_ == 4;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
-     *
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pubsubWrapper.
      */
     @java.lang.Override
@@ -3713,15 +3489,13 @@ public com.google.pubsub.v1.PushConfig.PubsubWrapper getPubsubWrapper() {
       }
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setPubsubWrapper(com.google.pubsub.v1.PushConfig.PubsubWrapper value) {
       if (pubsubWrapperBuilder_ == null) {
@@ -3737,15 +3511,13 @@ public Builder setPubsubWrapper(com.google.pubsub.v1.PushConfig.PubsubWrapper va
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setPubsubWrapper(
         com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder builderForValue) {
@@ -3759,25 +3531,20 @@ public Builder setPubsubWrapper(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergePubsubWrapper(com.google.pubsub.v1.PushConfig.PubsubWrapper value) {
       if (pubsubWrapperBuilder_ == null) {
-        if (wrapperCase_ == 4
-            && wrapper_ != com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance()) {
-          wrapper_ =
-              com.google.pubsub.v1.PushConfig.PubsubWrapper.newBuilder(
-                      (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_)
-                  .mergeFrom(value)
-                  .buildPartial();
+        if (wrapperCase_ == 4 &&
+            wrapper_ != com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance()) {
+          wrapper_ = com.google.pubsub.v1.PushConfig.PubsubWrapper.newBuilder((com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_)
+              .mergeFrom(value).buildPartial();
         } else {
           wrapper_ = value;
         }
@@ -3793,15 +3560,13 @@ public Builder mergePubsubWrapper(com.google.pubsub.v1.PushConfig.PubsubWrapper
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearPubsubWrapper() {
       if (pubsubWrapperBuilder_ == null) {
@@ -3820,29 +3585,25 @@ public Builder clearPubsubWrapper() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder getPubsubWrapperBuilder() {
       return getPubsubWrapperFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder getPubsubWrapperOrBuilder() {
@@ -3856,30 +3617,23 @@ public com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder getPubsubWrapperOr
       }
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is in the form of the JSON
-     * representation of a PubsubMessage
+     * Optional. When set, the payload to the push endpoint is in the form of
+     * the JSON representation of a PubsubMessage
      * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+     * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig.PubsubWrapper,
-            com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder,
-            com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder>
+        com.google.pubsub.v1.PushConfig.PubsubWrapper, com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder, com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder> 
         getPubsubWrapperFieldBuilder() {
       if (pubsubWrapperBuilder_ == null) {
         if (!(wrapperCase_ == 4)) {
           wrapper_ = com.google.pubsub.v1.PushConfig.PubsubWrapper.getDefaultInstance();
         }
-        pubsubWrapperBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.PushConfig.PubsubWrapper,
-                com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder,
-                com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder>(
+        pubsubWrapperBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.PushConfig.PubsubWrapper, com.google.pubsub.v1.PushConfig.PubsubWrapper.Builder, com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder>(
                 (com.google.pubsub.v1.PushConfig.PubsubWrapper) wrapper_,
                 getParentForChildren(),
                 isClean());
@@ -3891,19 +3645,13 @@ public com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder getPubsubWrapperOr
     }
 
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig.NoWrapper,
-            com.google.pubsub.v1.PushConfig.NoWrapper.Builder,
-            com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder>
-        noWrapperBuilder_;
+        com.google.pubsub.v1.PushConfig.NoWrapper, com.google.pubsub.v1.PushConfig.NoWrapper.Builder, com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder> noWrapperBuilder_;
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
-     *
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the noWrapper field is set.
      */
     @java.lang.Override
@@ -3911,14 +3659,11 @@ public boolean hasNoWrapper() {
       return wrapperCase_ == 5;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
-     *
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return The noWrapper.
      */
     @java.lang.Override
@@ -3936,13 +3681,11 @@ public com.google.pubsub.v1.PushConfig.NoWrapper getNoWrapper() {
       }
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper value) {
       if (noWrapperBuilder_ == null) {
@@ -3958,15 +3701,14 @@ public Builder setNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper.Builder builderForValue) {
+    public Builder setNoWrapper(
+        com.google.pubsub.v1.PushConfig.NoWrapper.Builder builderForValue) {
       if (noWrapperBuilder_ == null) {
         wrapper_ = builderForValue.build();
         onChanged();
@@ -3977,23 +3719,18 @@ public Builder setNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper.Builder bu
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper value) {
       if (noWrapperBuilder_ == null) {
-        if (wrapperCase_ == 5
-            && wrapper_ != com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance()) {
-          wrapper_ =
-              com.google.pubsub.v1.PushConfig.NoWrapper.newBuilder(
-                      (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_)
-                  .mergeFrom(value)
-                  .buildPartial();
+        if (wrapperCase_ == 5 &&
+            wrapper_ != com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance()) {
+          wrapper_ = com.google.pubsub.v1.PushConfig.NoWrapper.newBuilder((com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_)
+              .mergeFrom(value).buildPartial();
         } else {
           wrapper_ = value;
         }
@@ -4009,13 +3746,11 @@ public Builder mergeNoWrapper(com.google.pubsub.v1.PushConfig.NoWrapper value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearNoWrapper() {
       if (noWrapperBuilder_ == null) {
@@ -4034,25 +3769,21 @@ public Builder clearNoWrapper() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.PushConfig.NoWrapper.Builder getNoWrapperBuilder() {
       return getNoWrapperFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder getNoWrapperOrBuilder() {
@@ -4066,28 +3797,21 @@ public com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder getNoWrapperOrBuilder(
       }
     }
     /**
-     *
-     *
      * 
        -     * When set, the payload to the push endpoint is not wrapped.
+     * Optional. When set, the payload to the push endpoint is not wrapped.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+     * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig.NoWrapper,
-            com.google.pubsub.v1.PushConfig.NoWrapper.Builder,
-            com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder>
+        com.google.pubsub.v1.PushConfig.NoWrapper, com.google.pubsub.v1.PushConfig.NoWrapper.Builder, com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder> 
         getNoWrapperFieldBuilder() {
       if (noWrapperBuilder_ == null) {
         if (!(wrapperCase_ == 5)) {
           wrapper_ = com.google.pubsub.v1.PushConfig.NoWrapper.getDefaultInstance();
         }
-        noWrapperBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.PushConfig.NoWrapper,
-                com.google.pubsub.v1.PushConfig.NoWrapper.Builder,
-                com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder>(
+        noWrapperBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.PushConfig.NoWrapper, com.google.pubsub.v1.PushConfig.NoWrapper.Builder, com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder>(
                 (com.google.pubsub.v1.PushConfig.NoWrapper) wrapper_,
                 getParentForChildren(),
                 isClean());
@@ -4097,9 +3821,9 @@ public com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder getNoWrapperOrBuilder(
       onChanged();
       return noWrapperBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -4109,12 +3833,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.PushConfig)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.PushConfig)
   private static final com.google.pubsub.v1.PushConfig DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.PushConfig();
   }
@@ -4123,27 +3847,27 @@ public static com.google.pubsub.v1.PushConfig getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public PushConfig parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public PushConfig parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -4158,4 +3882,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.PushConfig getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfigOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfigOrBuilder.java
similarity index 68%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfigOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfigOrBuilder.java
index 57930fa47..9e2298f17 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfigOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PushConfigOrBuilder.java
@@ -1,61 +1,38 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface PushConfigOrBuilder
-    extends
+public interface PushConfigOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PushConfig)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
        -   * A URL locating the endpoint to which messages should be pushed.
+   * Optional. A URL locating the endpoint to which messages should be pushed.
    * For example, a Webhook endpoint might use `https://example.com/push`.
    * 
        
    *
-   * string push_endpoint = 1;
-   *
+   * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pushEndpoint.
    */
   java.lang.String getPushEndpoint();
   /**
-   *
-   *
    * 
        -   * A URL locating the endpoint to which messages should be pushed.
+   * Optional. A URL locating the endpoint to which messages should be pushed.
    * For example, a Webhook endpoint might use `https://example.com/push`.
    * 
        
    *
-   * string push_endpoint = 1;
-   *
+   * string push_endpoint = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for pushEndpoint.
    */
-  com.google.protobuf.ByteString getPushEndpointBytes();
+  com.google.protobuf.ByteString
+      getPushEndpointBytes();
 
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -77,15 +54,13 @@ public interface PushConfigOrBuilder
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   int getAttributesCount();
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -107,18 +82,20 @@ public interface PushConfigOrBuilder
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  boolean containsAttributes(
+      java.lang.String key);
+  /**
+   * Use {@link #getAttributesMap()} instead.
    */
-  boolean containsAttributes(java.lang.String key);
-  /** Use {@link #getAttributesMap()} instead. */
   @java.lang.Deprecated
-  java.util.Map getAttributes();
+  java.util.Map
+  getAttributes();
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -140,15 +117,14 @@ public interface PushConfigOrBuilder
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.util.Map getAttributesMap();
+  java.util.Map
+  getAttributesMap();
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -170,19 +146,17 @@ public interface PushConfigOrBuilder
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   /* nullable */
-  java.lang.String getAttributesOrDefault(
+java.lang.String getAttributesOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue);
+java.lang.String defaultValue);
   /**
-   *
-   *
    * 
        -   * Endpoint configuration attributes that can be used to control different
-   * aspects of the message delivery.
+   * Optional. Endpoint configuration attributes that can be used to control
+   * different aspects of the message delivery.
    *
    * The only currently supported attribute is `x-goog-version`, which you can
    * use to change the format of the pushed message. This attribute
@@ -204,121 +178,101 @@ java.lang.String getAttributesOrDefault(
    * `attributes { "x-goog-version": "v1" }`
    * 
        
    *
-   * map<string, string> attributes = 2;
+   * map<string, string> attributes = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.lang.String getAttributesOrThrow(java.lang.String key);
+  java.lang.String getAttributesOrThrow(
+      java.lang.String key);
 
   /**
-   *
-   *
    * 
        -   * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-   * `Authorization` header in the HTTP request for every pushed message.
+   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+   * token as an `Authorization` header in the HTTP request for every pushed
+   * message.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
-   *
+   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the oidcToken field is set.
    */
   boolean hasOidcToken();
   /**
-   *
-   *
    * 
        -   * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-   * `Authorization` header in the HTTP request for every pushed message.
+   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+   * token as an `Authorization` header in the HTTP request for every pushed
+   * message.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
-   *
+   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The oidcToken.
    */
   com.google.pubsub.v1.PushConfig.OidcToken getOidcToken();
   /**
-   *
-   *
    * 
        -   * If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-   * `Authorization` header in the HTTP request for every pushed message.
+   * Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+   * token as an `Authorization` header in the HTTP request for every pushed
+   * message.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3;
+   * .google.pubsub.v1.PushConfig.OidcToken oidc_token = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.PushConfig.OidcTokenOrBuilder getOidcTokenOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is in the form of the JSON
-   * representation of a PubsubMessage
+   * Optional. When set, the payload to the push endpoint is in the form of
+   * the JSON representation of a PubsubMessage
    * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
-   *
+   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the pubsubWrapper field is set.
    */
   boolean hasPubsubWrapper();
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is in the form of the JSON
-   * representation of a PubsubMessage
+   * Optional. When set, the payload to the push endpoint is in the form of
+   * the JSON representation of a PubsubMessage
    * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
-   *
+   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pubsubWrapper.
    */
   com.google.pubsub.v1.PushConfig.PubsubWrapper getPubsubWrapper();
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is in the form of the JSON
-   * representation of a PubsubMessage
+   * Optional. When set, the payload to the push endpoint is in the form of
+   * the JSON representation of a PubsubMessage
    * (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4;
+   * .google.pubsub.v1.PushConfig.PubsubWrapper pubsub_wrapper = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.PushConfig.PubsubWrapperOrBuilder getPubsubWrapperOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is not wrapped.
+   * Optional. When set, the payload to the push endpoint is not wrapped.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
-   *
+   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the noWrapper field is set.
    */
   boolean hasNoWrapper();
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is not wrapped.
+   * Optional. When set, the payload to the push endpoint is not wrapped.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
-   *
+   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The noWrapper.
    */
   com.google.pubsub.v1.PushConfig.NoWrapper getNoWrapper();
   /**
-   *
-   *
    * 
        -   * When set, the payload to the push endpoint is not wrapped.
+   * Optional. When set, the payload to the push endpoint is not wrapped.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5;
+   * .google.pubsub.v1.PushConfig.NoWrapper no_wrapper = 5 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.PushConfig.NoWrapperOrBuilder getNoWrapperOrBuilder();
 
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessage.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessage.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessage.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessage.java
index 357636b76..d4248d82c 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessage.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessage.java
@@ -1,80 +1,57 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * A message and its corresponding acknowledgment ID.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ReceivedMessage}
  */
-public final class ReceivedMessage extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ReceivedMessage extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ReceivedMessage)
     ReceivedMessageOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ReceivedMessage.newBuilder() to construct.
   private ReceivedMessage(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ReceivedMessage() {
     ackId_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ReceivedMessage();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ReceivedMessage_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ReceivedMessage_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_ReceivedMessage_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ReceivedMessage_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ReceivedMessage.class,
-            com.google.pubsub.v1.ReceivedMessage.Builder.class);
+            com.google.pubsub.v1.ReceivedMessage.class, com.google.pubsub.v1.ReceivedMessage.Builder.class);
   }
 
   public static final int ACK_ID_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object ackId_ = "";
   /**
-   *
-   *
    * 
        -   * This ID can be used to acknowledge the received message.
+   * Optional. This ID can be used to acknowledge the received message.
    * 
        
    *
-   * string ack_id = 1;
-   *
+   * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The ackId.
    */
   @java.lang.Override
@@ -83,29 +60,29 @@ public java.lang.String getAckId() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       ackId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * This ID can be used to acknowledge the received message.
+   * Optional. This ID can be used to acknowledge the received message.
    * 
        
    *
-   * string ack_id = 1;
-   *
+   * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for ackId.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getAckIdBytes() {
+  public com.google.protobuf.ByteString
+      getAckIdBytes() {
     java.lang.Object ref = ackId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       ackId_ = b;
       return b;
     } else {
@@ -116,14 +93,11 @@ public com.google.protobuf.ByteString getAckIdBytes() {
   public static final int MESSAGE_FIELD_NUMBER = 2;
   private com.google.pubsub.v1.PubsubMessage message_;
   /**
-   *
-   *
    * 
        -   * The message.
+   * Optional. The message.
    * 
        
    *
-   * .google.pubsub.v1.PubsubMessage message = 2;
-   *
+   * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the message field is set.
    */
   @java.lang.Override
@@ -131,14 +105,11 @@ public boolean hasMessage() {
     return message_ != null;
   }
   /**
-   *
-   *
    * 
        -   * The message.
+   * Optional. The message.
    * 
        
    *
-   * .google.pubsub.v1.PubsubMessage message = 2;
-   *
+   * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The message.
    */
   @java.lang.Override
@@ -146,13 +117,11 @@ public com.google.pubsub.v1.PubsubMessage getMessage() {
     return message_ == null ? com.google.pubsub.v1.PubsubMessage.getDefaultInstance() : message_;
   }
   /**
-   *
-   *
    * 
        -   * The message.
+   * Optional. The message.
    * 
        
    *
-   * .google.pubsub.v1.PubsubMessage message = 2;
+   * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.PubsubMessageOrBuilder getMessageOrBuilder() {
@@ -162,11 +131,9 @@ public com.google.pubsub.v1.PubsubMessageOrBuilder getMessageOrBuilder() {
   public static final int DELIVERY_ATTEMPT_FIELD_NUMBER = 3;
   private int deliveryAttempt_ = 0;
   /**
-   *
-   *
    * 
        -   * The approximate number of times that Cloud Pub/Sub has attempted to deliver
-   * the associated message to a subscriber.
+   * Optional. The approximate number of times that Pub/Sub has attempted to
+   * deliver the associated message to a subscriber.
    *
    * More precisely, this is 1 + (number of NACKs) +
    * (number of ack_deadline exceeds) for this message.
@@ -183,8 +150,7 @@ public com.google.pubsub.v1.PubsubMessageOrBuilder getMessageOrBuilder() {
    * If a DeadLetterPolicy is not set on the subscription, this will be 0.
    * 
        
    *
-   * int32 delivery_attempt = 3;
-   *
+   * int32 delivery_attempt = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The deliveryAttempt.
    */
   @java.lang.Override
@@ -193,7 +159,6 @@ public int getDeliveryAttempt() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -205,7 +170,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(ackId_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, ackId_);
     }
@@ -228,10 +194,12 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, ackId_);
     }
     if (message_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getMessage());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getMessage());
     }
     if (deliveryAttempt_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(3, deliveryAttempt_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(3, deliveryAttempt_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -241,19 +209,22 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ReceivedMessage)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.ReceivedMessage other = (com.google.pubsub.v1.ReceivedMessage) obj;
 
-    if (!getAckId().equals(other.getAckId())) return false;
+    if (!getAckId()
+        .equals(other.getAckId())) return false;
     if (hasMessage() != other.hasMessage()) return false;
     if (hasMessage()) {
-      if (!getMessage().equals(other.getMessage())) return false;
+      if (!getMessage()
+          .equals(other.getMessage())) return false;
     }
-    if (getDeliveryAttempt() != other.getDeliveryAttempt()) return false;
+    if (getDeliveryAttempt()
+        != other.getDeliveryAttempt()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -278,135 +249,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ReceivedMessage parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ReceivedMessage parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ReceivedMessage parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.ReceivedMessage parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.ReceivedMessage parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ReceivedMessage parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ReceivedMessage parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ReceivedMessage parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ReceivedMessage parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ReceivedMessage parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.ReceivedMessage parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ReceivedMessage parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ReceivedMessage parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ReceivedMessage parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ReceivedMessage prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * A message and its corresponding acknowledgment ID.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ReceivedMessage}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ReceivedMessage)
       com.google.pubsub.v1.ReceivedMessageOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ReceivedMessage_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ReceivedMessage_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ReceivedMessage_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ReceivedMessage_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ReceivedMessage.class,
-              com.google.pubsub.v1.ReceivedMessage.Builder.class);
+              com.google.pubsub.v1.ReceivedMessage.class, com.google.pubsub.v1.ReceivedMessage.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ReceivedMessage.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -422,9 +390,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_ReceivedMessage_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_ReceivedMessage_descriptor;
     }
 
     @java.lang.Override
@@ -444,9 +412,7 @@ public com.google.pubsub.v1.ReceivedMessage build() {
     @java.lang.Override
     public com.google.pubsub.v1.ReceivedMessage buildPartial() {
       com.google.pubsub.v1.ReceivedMessage result = new com.google.pubsub.v1.ReceivedMessage(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -457,7 +423,9 @@ private void buildPartial0(com.google.pubsub.v1.ReceivedMessage result) {
         result.ackId_ = ackId_;
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.message_ = messageBuilder_ == null ? message_ : messageBuilder_.build();
+        result.message_ = messageBuilder_ == null
+            ? message_
+            : messageBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000004) != 0)) {
         result.deliveryAttempt_ = deliveryAttempt_;
@@ -468,39 +436,38 @@ private void buildPartial0(com.google.pubsub.v1.ReceivedMessage result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ReceivedMessage) {
-        return mergeFrom((com.google.pubsub.v1.ReceivedMessage) other);
+        return mergeFrom((com.google.pubsub.v1.ReceivedMessage)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -546,31 +513,29 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                ackId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getMessageFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 24:
-              {
-                deliveryAttempt_ = input.readInt32();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 24
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              ackId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getMessageFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 24: {
+              deliveryAttempt_ = input.readInt32();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 24
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -580,25 +545,22 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object ackId_ = "";
     /**
-     *
-     *
      * 
        -     * This ID can be used to acknowledge the received message.
+     * Optional. This ID can be used to acknowledge the received message.
      * 
        
      *
-     * string ack_id = 1;
-     *
+     * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The ackId.
      */
     public java.lang.String getAckId() {
       java.lang.Object ref = ackId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         ackId_ = s;
         return s;
@@ -607,21 +569,20 @@ public java.lang.String getAckId() {
       }
     }
     /**
-     *
-     *
      * 
        -     * This ID can be used to acknowledge the received message.
+     * Optional. This ID can be used to acknowledge the received message.
      * 
        
      *
-     * string ack_id = 1;
-     *
+     * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for ackId.
      */
-    public com.google.protobuf.ByteString getAckIdBytes() {
+    public com.google.protobuf.ByteString
+        getAckIdBytes() {
       java.lang.Object ref = ackId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         ackId_ = b;
         return b;
       } else {
@@ -629,35 +590,28 @@ public com.google.protobuf.ByteString getAckIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * This ID can be used to acknowledge the received message.
+     * Optional. This ID can be used to acknowledge the received message.
      * 
        
      *
-     * string ack_id = 1;
-     *
+     * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The ackId to set.
      * @return This builder for chaining.
      */
-    public Builder setAckId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setAckId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ackId_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This ID can be used to acknowledge the received message.
+     * Optional. This ID can be used to acknowledge the received message.
      * 
        
      *
-     * string ack_id = 1;
-     *
+     * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearAckId() {
@@ -667,21 +621,17 @@ public Builder clearAckId() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This ID can be used to acknowledge the received message.
+     * Optional. This ID can be used to acknowledge the received message.
      * 
        
      *
-     * string ack_id = 1;
-     *
+     * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for ackId to set.
      * @return This builder for chaining.
      */
-    public Builder setAckIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setAckIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       ackId_ = value;
       bitField0_ |= 0x00000001;
@@ -691,52 +641,39 @@ public Builder setAckIdBytes(com.google.protobuf.ByteString value) {
 
     private com.google.pubsub.v1.PubsubMessage message_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PubsubMessage,
-            com.google.pubsub.v1.PubsubMessage.Builder,
-            com.google.pubsub.v1.PubsubMessageOrBuilder>
-        messageBuilder_;
+        com.google.pubsub.v1.PubsubMessage, com.google.pubsub.v1.PubsubMessage.Builder, com.google.pubsub.v1.PubsubMessageOrBuilder> messageBuilder_;
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
-     *
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the message field is set.
      */
     public boolean hasMessage() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
-     *
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The message.
      */
     public com.google.pubsub.v1.PubsubMessage getMessage() {
       if (messageBuilder_ == null) {
-        return message_ == null
-            ? com.google.pubsub.v1.PubsubMessage.getDefaultInstance()
-            : message_;
+        return message_ == null ? com.google.pubsub.v1.PubsubMessage.getDefaultInstance() : message_;
       } else {
         return messageBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMessage(com.google.pubsub.v1.PubsubMessage value) {
       if (messageBuilder_ == null) {
@@ -752,15 +689,14 @@ public Builder setMessage(com.google.pubsub.v1.PubsubMessage value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setMessage(com.google.pubsub.v1.PubsubMessage.Builder builderForValue) {
+    public Builder setMessage(
+        com.google.pubsub.v1.PubsubMessage.Builder builderForValue) {
       if (messageBuilder_ == null) {
         message_ = builderForValue.build();
       } else {
@@ -771,19 +707,17 @@ public Builder setMessage(com.google.pubsub.v1.PubsubMessage.Builder builderForV
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeMessage(com.google.pubsub.v1.PubsubMessage value) {
       if (messageBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && message_ != null
-            && message_ != com.google.pubsub.v1.PubsubMessage.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          message_ != null &&
+          message_ != com.google.pubsub.v1.PubsubMessage.getDefaultInstance()) {
           getMessageBuilder().mergeFrom(value);
         } else {
           message_ = value;
@@ -796,13 +730,11 @@ public Builder mergeMessage(com.google.pubsub.v1.PubsubMessage value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearMessage() {
       bitField0_ = (bitField0_ & ~0x00000002);
@@ -815,13 +747,11 @@ public Builder clearMessage() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.PubsubMessage.Builder getMessageBuilder() {
       bitField0_ |= 0x00000002;
@@ -829,56 +759,46 @@ public com.google.pubsub.v1.PubsubMessage.Builder getMessageBuilder() {
       return getMessageFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.PubsubMessageOrBuilder getMessageOrBuilder() {
       if (messageBuilder_ != null) {
         return messageBuilder_.getMessageOrBuilder();
       } else {
-        return message_ == null
-            ? com.google.pubsub.v1.PubsubMessage.getDefaultInstance()
-            : message_;
+        return message_ == null ?
+            com.google.pubsub.v1.PubsubMessage.getDefaultInstance() : message_;
       }
     }
     /**
-     *
-     *
      * 
        -     * The message.
+     * Optional. The message.
      * 
        
      *
-     * .google.pubsub.v1.PubsubMessage message = 2;
+     * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PubsubMessage,
-            com.google.pubsub.v1.PubsubMessage.Builder,
-            com.google.pubsub.v1.PubsubMessageOrBuilder>
+        com.google.pubsub.v1.PubsubMessage, com.google.pubsub.v1.PubsubMessage.Builder, com.google.pubsub.v1.PubsubMessageOrBuilder> 
         getMessageFieldBuilder() {
       if (messageBuilder_ == null) {
-        messageBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.PubsubMessage,
-                com.google.pubsub.v1.PubsubMessage.Builder,
-                com.google.pubsub.v1.PubsubMessageOrBuilder>(
-                getMessage(), getParentForChildren(), isClean());
+        messageBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.PubsubMessage, com.google.pubsub.v1.PubsubMessage.Builder, com.google.pubsub.v1.PubsubMessageOrBuilder>(
+                getMessage(),
+                getParentForChildren(),
+                isClean());
         message_ = null;
       }
       return messageBuilder_;
     }
 
-    private int deliveryAttempt_;
+    private int deliveryAttempt_ ;
     /**
-     *
-     *
      * 
        -     * The approximate number of times that Cloud Pub/Sub has attempted to deliver
-     * the associated message to a subscriber.
+     * Optional. The approximate number of times that Pub/Sub has attempted to
+     * deliver the associated message to a subscriber.
      *
      * More precisely, this is 1 + (number of NACKs) +
      * (number of ack_deadline exceeds) for this message.
@@ -895,8 +815,7 @@ public com.google.pubsub.v1.PubsubMessageOrBuilder getMessageOrBuilder() {
      * If a DeadLetterPolicy is not set on the subscription, this will be 0.
      * 
        
      *
-     * int32 delivery_attempt = 3;
-     *
+     * int32 delivery_attempt = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The deliveryAttempt.
      */
     @java.lang.Override
@@ -904,11 +823,9 @@ public int getDeliveryAttempt() {
       return deliveryAttempt_;
     }
     /**
-     *
-     *
      * 
        -     * The approximate number of times that Cloud Pub/Sub has attempted to deliver
-     * the associated message to a subscriber.
+     * Optional. The approximate number of times that Pub/Sub has attempted to
+     * deliver the associated message to a subscriber.
      *
      * More precisely, this is 1 + (number of NACKs) +
      * (number of ack_deadline exceeds) for this message.
@@ -925,8 +842,7 @@ public int getDeliveryAttempt() {
      * If a DeadLetterPolicy is not set on the subscription, this will be 0.
      * 
        
      *
-     * int32 delivery_attempt = 3;
-     *
+     * int32 delivery_attempt = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The deliveryAttempt to set.
      * @return This builder for chaining.
      */
@@ -938,11 +854,9 @@ public Builder setDeliveryAttempt(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The approximate number of times that Cloud Pub/Sub has attempted to deliver
-     * the associated message to a subscriber.
+     * Optional. The approximate number of times that Pub/Sub has attempted to
+     * deliver the associated message to a subscriber.
      *
      * More precisely, this is 1 + (number of NACKs) +
      * (number of ack_deadline exceeds) for this message.
@@ -959,8 +873,7 @@ public Builder setDeliveryAttempt(int value) {
      * If a DeadLetterPolicy is not set on the subscription, this will be 0.
      * 
        
      *
-     * int32 delivery_attempt = 3;
-     *
+     * int32 delivery_attempt = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearDeliveryAttempt() {
@@ -969,9 +882,9 @@ public Builder clearDeliveryAttempt() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -981,12 +894,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ReceivedMessage)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ReceivedMessage)
   private static final com.google.pubsub.v1.ReceivedMessage DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ReceivedMessage();
   }
@@ -995,27 +908,27 @@ public static com.google.pubsub.v1.ReceivedMessage getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ReceivedMessage parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ReceivedMessage parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1030,4 +943,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ReceivedMessage getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessageOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessageOrBuilder.java
similarity index 52%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessageOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessageOrBuilder.java
index 91e32b25d..2cb94d82c 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessageOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ReceivedMessageOrBuilder.java
@@ -1,94 +1,63 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface ReceivedMessageOrBuilder
-    extends
+public interface ReceivedMessageOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ReceivedMessage)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
        -   * This ID can be used to acknowledge the received message.
+   * Optional. This ID can be used to acknowledge the received message.
    * 
        
    *
-   * string ack_id = 1;
-   *
+   * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The ackId.
    */
   java.lang.String getAckId();
   /**
-   *
-   *
    * 
        -   * This ID can be used to acknowledge the received message.
+   * Optional. This ID can be used to acknowledge the received message.
    * 
        
    *
-   * string ack_id = 1;
-   *
+   * string ack_id = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for ackId.
    */
-  com.google.protobuf.ByteString getAckIdBytes();
+  com.google.protobuf.ByteString
+      getAckIdBytes();
 
   /**
-   *
-   *
    * 
        -   * The message.
+   * Optional. The message.
    * 
        
    *
-   * .google.pubsub.v1.PubsubMessage message = 2;
-   *
+   * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the message field is set.
    */
   boolean hasMessage();
   /**
-   *
-   *
    * 
        -   * The message.
+   * Optional. The message.
    * 
        
    *
-   * .google.pubsub.v1.PubsubMessage message = 2;
-   *
+   * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The message.
    */
   com.google.pubsub.v1.PubsubMessage getMessage();
   /**
-   *
-   *
    * 
        -   * The message.
+   * Optional. The message.
    * 
        
    *
-   * .google.pubsub.v1.PubsubMessage message = 2;
+   * .google.pubsub.v1.PubsubMessage message = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.PubsubMessageOrBuilder getMessageOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * The approximate number of times that Cloud Pub/Sub has attempted to deliver
-   * the associated message to a subscriber.
+   * Optional. The approximate number of times that Pub/Sub has attempted to
+   * deliver the associated message to a subscriber.
    *
    * More precisely, this is 1 + (number of NACKs) +
    * (number of ack_deadline exceeds) for this message.
@@ -105,8 +74,7 @@ public interface ReceivedMessageOrBuilder
    * If a DeadLetterPolicy is not set on the subscription, this will be 0.
    * 
        
    *
-   * int32 delivery_attempt = 3;
-   *
+   * int32 delivery_attempt = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The deliveryAttempt.
    */
   int getDeliveryAttempt();
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicy.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicy.java
similarity index 55%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicy.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicy.java
index e5f2e1d6b..f772b884c 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicy.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicy.java
@@ -1,28 +1,11 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
        - * A policy that specifies how Cloud Pub/Sub retries message delivery.
+ * A policy that specifies how Pub/Sub retries message delivery.
  *
  * Retry delay will be exponential based on provided minimum and maximum
  * backoffs. https://en.wikipedia.org/wiki/Exponential_backoff.
@@ -37,33 +20,34 @@
  *
  * Protobuf type {@code google.pubsub.v1.RetryPolicy}
  */
-public final class RetryPolicy extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class RetryPolicy extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.RetryPolicy)
     RetryPolicyOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use RetryPolicy.newBuilder() to construct.
   private RetryPolicy(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private RetryPolicy() {}
+  private RetryPolicy() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new RetryPolicy();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
     return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_RetryPolicy_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_RetryPolicy_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_RetryPolicy_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
             com.google.pubsub.v1.RetryPolicy.class, com.google.pubsub.v1.RetryPolicy.Builder.class);
   }
@@ -71,15 +55,12 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
   public static final int MINIMUM_BACKOFF_FIELD_NUMBER = 1;
   private com.google.protobuf.Duration minimumBackoff_;
   /**
-   *
-   *
    * 
        -   * The minimum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+   * Optional. The minimum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
    * 
        
    *
-   * .google.protobuf.Duration minimum_backoff = 1;
-   *
+   * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the minimumBackoff field is set.
    */
   @java.lang.Override
@@ -87,52 +68,41 @@ public boolean hasMinimumBackoff() {
     return minimumBackoff_ != null;
   }
   /**
-   *
-   *
    * 
        -   * The minimum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+   * Optional. The minimum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
    * 
        
    *
-   * .google.protobuf.Duration minimum_backoff = 1;
-   *
+   * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The minimumBackoff.
    */
   @java.lang.Override
   public com.google.protobuf.Duration getMinimumBackoff() {
-    return minimumBackoff_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : minimumBackoff_;
+    return minimumBackoff_ == null ? com.google.protobuf.Duration.getDefaultInstance() : minimumBackoff_;
   }
   /**
-   *
-   *
    * 
        -   * The minimum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+   * Optional. The minimum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
    * 
        
    *
-   * .google.protobuf.Duration minimum_backoff = 1;
+   * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.protobuf.DurationOrBuilder getMinimumBackoffOrBuilder() {
-    return minimumBackoff_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : minimumBackoff_;
+    return minimumBackoff_ == null ? com.google.protobuf.Duration.getDefaultInstance() : minimumBackoff_;
   }
 
   public static final int MAXIMUM_BACKOFF_FIELD_NUMBER = 2;
   private com.google.protobuf.Duration maximumBackoff_;
   /**
-   *
-   *
    * 
        -   * The maximum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+   * Optional. The maximum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 600
+   * seconds.
    * 
        
    *
-   * .google.protobuf.Duration maximum_backoff = 2;
-   *
+   * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the maximumBackoff field is set.
    */
   @java.lang.Override
@@ -140,42 +110,34 @@ public boolean hasMaximumBackoff() {
     return maximumBackoff_ != null;
   }
   /**
-   *
-   *
    * 
        -   * The maximum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+   * Optional. The maximum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 600
+   * seconds.
    * 
        
    *
-   * .google.protobuf.Duration maximum_backoff = 2;
-   *
+   * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The maximumBackoff.
    */
   @java.lang.Override
   public com.google.protobuf.Duration getMaximumBackoff() {
-    return maximumBackoff_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : maximumBackoff_;
+    return maximumBackoff_ == null ? com.google.protobuf.Duration.getDefaultInstance() : maximumBackoff_;
   }
   /**
-   *
-   *
    * 
        -   * The maximum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+   * Optional. The maximum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 600
+   * seconds.
    * 
        
    *
-   * .google.protobuf.Duration maximum_backoff = 2;
+   * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.protobuf.DurationOrBuilder getMaximumBackoffOrBuilder() {
-    return maximumBackoff_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : maximumBackoff_;
+    return maximumBackoff_ == null ? com.google.protobuf.Duration.getDefaultInstance() : maximumBackoff_;
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -187,7 +149,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (minimumBackoff_ != null) {
       output.writeMessage(1, getMinimumBackoff());
     }
@@ -204,10 +167,12 @@ public int getSerializedSize() {
 
     size = 0;
     if (minimumBackoff_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getMinimumBackoff());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, getMinimumBackoff());
     }
     if (maximumBackoff_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getMaximumBackoff());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getMaximumBackoff());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -217,7 +182,7 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.RetryPolicy)) {
       return super.equals(obj);
@@ -226,11 +191,13 @@ public boolean equals(final java.lang.Object obj) {
 
     if (hasMinimumBackoff() != other.hasMinimumBackoff()) return false;
     if (hasMinimumBackoff()) {
-      if (!getMinimumBackoff().equals(other.getMinimumBackoff())) return false;
+      if (!getMinimumBackoff()
+          .equals(other.getMinimumBackoff())) return false;
     }
     if (hasMaximumBackoff() != other.hasMaximumBackoff()) return false;
     if (hasMaximumBackoff()) {
-      if (!getMaximumBackoff().equals(other.getMaximumBackoff())) return false;
+      if (!getMaximumBackoff()
+          .equals(other.getMaximumBackoff())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -256,105 +223,101 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.RetryPolicy parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.RetryPolicy parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.RetryPolicy parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.RetryPolicy parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.RetryPolicy parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.RetryPolicy parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.RetryPolicy parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.RetryPolicy parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.RetryPolicy parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.RetryPolicy parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.RetryPolicy parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.RetryPolicy parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.RetryPolicy parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.RetryPolicy parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.RetryPolicy prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
        -   * A policy that specifies how Cloud Pub/Sub retries message delivery.
+   * A policy that specifies how Pub/Sub retries message delivery.
    *
    * Retry delay will be exponential based on provided minimum and maximum
    * backoffs. https://en.wikipedia.org/wiki/Exponential_backoff.
@@ -369,32 +332,33 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.RetryPolicy}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.RetryPolicy)
       com.google.pubsub.v1.RetryPolicyOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_RetryPolicy_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_RetryPolicy_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_RetryPolicy_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_RetryPolicy_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.RetryPolicy.class,
-              com.google.pubsub.v1.RetryPolicy.Builder.class);
+              com.google.pubsub.v1.RetryPolicy.class, com.google.pubsub.v1.RetryPolicy.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.RetryPolicy.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -413,9 +377,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_RetryPolicy_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_RetryPolicy_descriptor;
     }
 
     @java.lang.Override
@@ -435,9 +399,7 @@ public com.google.pubsub.v1.RetryPolicy build() {
     @java.lang.Override
     public com.google.pubsub.v1.RetryPolicy buildPartial() {
       com.google.pubsub.v1.RetryPolicy result = new com.google.pubsub.v1.RetryPolicy(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -445,12 +407,14 @@ public com.google.pubsub.v1.RetryPolicy buildPartial() {
     private void buildPartial0(com.google.pubsub.v1.RetryPolicy result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
-        result.minimumBackoff_ =
-            minimumBackoffBuilder_ == null ? minimumBackoff_ : minimumBackoffBuilder_.build();
+        result.minimumBackoff_ = minimumBackoffBuilder_ == null
+            ? minimumBackoff_
+            : minimumBackoffBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.maximumBackoff_ =
-            maximumBackoffBuilder_ == null ? maximumBackoff_ : maximumBackoffBuilder_.build();
+        result.maximumBackoff_ = maximumBackoffBuilder_ == null
+            ? maximumBackoff_
+            : maximumBackoffBuilder_.build();
       }
     }
 
@@ -458,39 +422,38 @@ private void buildPartial0(com.google.pubsub.v1.RetryPolicy result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.RetryPolicy) {
-        return mergeFrom((com.google.pubsub.v1.RetryPolicy) other);
+        return mergeFrom((com.google.pubsub.v1.RetryPolicy)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -531,25 +494,26 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                input.readMessage(getMinimumBackoffFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getMaximumBackoffFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              input.readMessage(
+                  getMinimumBackoffFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getMaximumBackoffFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -559,60 +523,46 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.protobuf.Duration minimumBackoff_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
-        minimumBackoffBuilder_;
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> minimumBackoffBuilder_;
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
-     *
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the minimumBackoff field is set.
      */
     public boolean hasMinimumBackoff() {
       return ((bitField0_ & 0x00000001) != 0);
     }
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
-     *
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The minimumBackoff.
      */
     public com.google.protobuf.Duration getMinimumBackoff() {
       if (minimumBackoffBuilder_ == null) {
-        return minimumBackoff_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : minimumBackoff_;
+        return minimumBackoff_ == null ? com.google.protobuf.Duration.getDefaultInstance() : minimumBackoff_;
       } else {
         return minimumBackoffBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMinimumBackoff(com.google.protobuf.Duration value) {
       if (minimumBackoffBuilder_ == null) {
@@ -628,16 +578,15 @@ public Builder setMinimumBackoff(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setMinimumBackoff(com.google.protobuf.Duration.Builder builderForValue) {
+    public Builder setMinimumBackoff(
+        com.google.protobuf.Duration.Builder builderForValue) {
       if (minimumBackoffBuilder_ == null) {
         minimumBackoff_ = builderForValue.build();
       } else {
@@ -648,20 +597,18 @@ public Builder setMinimumBackoff(com.google.protobuf.Duration.Builder builderFor
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeMinimumBackoff(com.google.protobuf.Duration value) {
       if (minimumBackoffBuilder_ == null) {
-        if (((bitField0_ & 0x00000001) != 0)
-            && minimumBackoff_ != null
-            && minimumBackoff_ != com.google.protobuf.Duration.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000001) != 0) &&
+          minimumBackoff_ != null &&
+          minimumBackoff_ != com.google.protobuf.Duration.getDefaultInstance()) {
           getMinimumBackoffBuilder().mergeFrom(value);
         } else {
           minimumBackoff_ = value;
@@ -674,14 +621,12 @@ public Builder mergeMinimumBackoff(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearMinimumBackoff() {
       bitField0_ = (bitField0_ & ~0x00000001);
@@ -694,14 +639,12 @@ public Builder clearMinimumBackoff() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.Duration.Builder getMinimumBackoffBuilder() {
       bitField0_ |= 0x00000001;
@@ -709,46 +652,38 @@ public com.google.protobuf.Duration.Builder getMinimumBackoffBuilder() {
       return getMinimumBackoffFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.DurationOrBuilder getMinimumBackoffOrBuilder() {
       if (minimumBackoffBuilder_ != null) {
         return minimumBackoffBuilder_.getMessageOrBuilder();
       } else {
-        return minimumBackoff_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : minimumBackoff_;
+        return minimumBackoff_ == null ?
+            com.google.protobuf.Duration.getDefaultInstance() : minimumBackoff_;
       }
     }
     /**
-     *
-     *
      * 
        -     * The minimum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+     * Optional. The minimum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
      * 
        
      *
-     * .google.protobuf.Duration minimum_backoff = 1;
+     * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
         getMinimumBackoffFieldBuilder() {
       if (minimumBackoffBuilder_ == null) {
-        minimumBackoffBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Duration,
-                com.google.protobuf.Duration.Builder,
-                com.google.protobuf.DurationOrBuilder>(
-                getMinimumBackoff(), getParentForChildren(), isClean());
+        minimumBackoffBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
+                getMinimumBackoff(),
+                getParentForChildren(),
+                isClean());
         minimumBackoff_ = null;
       }
       return minimumBackoffBuilder_;
@@ -756,55 +691,45 @@ public com.google.protobuf.DurationOrBuilder getMinimumBackoffOrBuilder() {
 
     private com.google.protobuf.Duration maximumBackoff_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
-        maximumBackoffBuilder_;
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> maximumBackoffBuilder_;
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
-     *
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the maximumBackoff field is set.
      */
     public boolean hasMaximumBackoff() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
-     *
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The maximumBackoff.
      */
     public com.google.protobuf.Duration getMaximumBackoff() {
       if (maximumBackoffBuilder_ == null) {
-        return maximumBackoff_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : maximumBackoff_;
+        return maximumBackoff_ == null ? com.google.protobuf.Duration.getDefaultInstance() : maximumBackoff_;
       } else {
         return maximumBackoffBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMaximumBackoff(com.google.protobuf.Duration value) {
       if (maximumBackoffBuilder_ == null) {
@@ -820,16 +745,16 @@ public Builder setMaximumBackoff(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setMaximumBackoff(com.google.protobuf.Duration.Builder builderForValue) {
+    public Builder setMaximumBackoff(
+        com.google.protobuf.Duration.Builder builderForValue) {
       if (maximumBackoffBuilder_ == null) {
         maximumBackoff_ = builderForValue.build();
       } else {
@@ -840,20 +765,19 @@ public Builder setMaximumBackoff(com.google.protobuf.Duration.Builder builderFor
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeMaximumBackoff(com.google.protobuf.Duration value) {
       if (maximumBackoffBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && maximumBackoff_ != null
-            && maximumBackoff_ != com.google.protobuf.Duration.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          maximumBackoff_ != null &&
+          maximumBackoff_ != com.google.protobuf.Duration.getDefaultInstance()) {
           getMaximumBackoffBuilder().mergeFrom(value);
         } else {
           maximumBackoff_ = value;
@@ -866,14 +790,13 @@ public Builder mergeMaximumBackoff(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearMaximumBackoff() {
       bitField0_ = (bitField0_ & ~0x00000002);
@@ -886,14 +809,13 @@ public Builder clearMaximumBackoff() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.Duration.Builder getMaximumBackoffBuilder() {
       bitField0_ |= 0x00000002;
@@ -901,53 +823,47 @@ public com.google.protobuf.Duration.Builder getMaximumBackoffBuilder() {
       return getMaximumBackoffFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.DurationOrBuilder getMaximumBackoffOrBuilder() {
       if (maximumBackoffBuilder_ != null) {
         return maximumBackoffBuilder_.getMessageOrBuilder();
       } else {
-        return maximumBackoff_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : maximumBackoff_;
+        return maximumBackoff_ == null ?
+            com.google.protobuf.Duration.getDefaultInstance() : maximumBackoff_;
       }
     }
     /**
-     *
-     *
      * 
        -     * The maximum delay between consecutive deliveries of a given message.
-     * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
+     * Optional. The maximum delay between consecutive deliveries of a given
+     * message. Value should be between 0 and 600 seconds. Defaults to 600
+     * seconds.
      * 
        
      *
-     * .google.protobuf.Duration maximum_backoff = 2;
+     * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
         getMaximumBackoffFieldBuilder() {
       if (maximumBackoffBuilder_ == null) {
-        maximumBackoffBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Duration,
-                com.google.protobuf.Duration.Builder,
-                com.google.protobuf.DurationOrBuilder>(
-                getMaximumBackoff(), getParentForChildren(), isClean());
+        maximumBackoffBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
+                getMaximumBackoff(),
+                getParentForChildren(),
+                isClean());
         maximumBackoff_ = null;
       }
       return maximumBackoffBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -957,12 +873,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.RetryPolicy)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.RetryPolicy)
   private static final com.google.pubsub.v1.RetryPolicy DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.RetryPolicy();
   }
@@ -971,27 +887,27 @@ public static com.google.pubsub.v1.RetryPolicy getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public RetryPolicy parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public RetryPolicy parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1006,4 +922,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.RetryPolicy getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicyOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicyOrBuilder.java
new file mode 100644
index 000000000..4e5b6800f
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicyOrBuilder.java
@@ -0,0 +1,72 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface RetryPolicyOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.RetryPolicy)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. The minimum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+   * 
        
+   *
+   * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the minimumBackoff field is set.
+   */
+  boolean hasMinimumBackoff();
+  /**
+   * 
        +   * Optional. The minimum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+   * 
        
+   *
+   * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The minimumBackoff.
+   */
+  com.google.protobuf.Duration getMinimumBackoff();
+  /**
+   * 
        +   * Optional. The minimum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+   * 
        
+   *
+   * .google.protobuf.Duration minimum_backoff = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.protobuf.DurationOrBuilder getMinimumBackoffOrBuilder();
+
+  /**
+   * 
        +   * Optional. The maximum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 600
+   * seconds.
+   * 
        
+   *
+   * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the maximumBackoff field is set.
+   */
+  boolean hasMaximumBackoff();
+  /**
+   * 
        +   * Optional. The maximum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 600
+   * seconds.
+   * 
        
+   *
+   * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The maximumBackoff.
+   */
+  com.google.protobuf.Duration getMaximumBackoff();
+  /**
+   * 
        +   * Optional. The maximum delay between consecutive deliveries of a given
+   * message. Value should be between 0 and 600 seconds. Defaults to 600
+   * seconds.
+   * 
        
+   *
+   * .google.protobuf.Duration maximum_backoff = 2 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.protobuf.DurationOrBuilder getMaximumBackoffOrBuilder();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequest.java
similarity index 65%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequest.java
index 3b9f46ddc..67a5d7158 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `RollbackSchema` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.RollbackSchemaRequest}
  */
-public final class RollbackSchemaRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class RollbackSchemaRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.RollbackSchemaRequest)
     RollbackSchemaRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use RollbackSchemaRequest.newBuilder() to construct.
   private RollbackSchemaRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private RollbackSchemaRequest() {
     name_ = "";
     revisionId_ = "";
@@ -44,40 +26,33 @@ private RollbackSchemaRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new RollbackSchemaRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_RollbackSchemaRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_RollbackSchemaRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.RollbackSchemaRequest.class,
-            com.google.pubsub.v1.RollbackSchemaRequest.Builder.class);
+            com.google.pubsub.v1.RollbackSchemaRequest.class, com.google.pubsub.v1.RollbackSchemaRequest.Builder.class);
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. The schema being rolled back with revision id.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   @java.lang.Override
@@ -86,31 +61,29 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The schema being rolled back with revision id.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -119,12 +92,9 @@ public com.google.protobuf.ByteString getNameBytes() {
   }
 
   public static final int REVISION_ID_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object revisionId_ = "";
   /**
-   *
-   *
    * 
            * Required. The revision ID to roll back to.
    * It must be a revision of the same schema.
@@ -133,7 +103,6 @@ public com.google.protobuf.ByteString getNameBytes() {
    * 
        
    *
    * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The revisionId.
    */
   @java.lang.Override
@@ -142,15 +111,14 @@ public java.lang.String getRevisionId() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       revisionId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The revision ID to roll back to.
    * It must be a revision of the same schema.
@@ -159,15 +127,16 @@ public java.lang.String getRevisionId() {
    * 
        
    *
    * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for revisionId.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getRevisionIdBytes() {
+  public com.google.protobuf.ByteString
+      getRevisionIdBytes() {
     java.lang.Object ref = revisionId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       revisionId_ = b;
       return b;
     } else {
@@ -176,7 +145,6 @@ public com.google.protobuf.ByteString getRevisionIdBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -188,7 +156,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -218,16 +187,17 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.RollbackSchemaRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.RollbackSchemaRequest other =
-        (com.google.pubsub.v1.RollbackSchemaRequest) obj;
+    com.google.pubsub.v1.RollbackSchemaRequest other = (com.google.pubsub.v1.RollbackSchemaRequest) obj;
 
-    if (!getName().equals(other.getName())) return false;
-    if (!getRevisionId().equals(other.getRevisionId())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
+    if (!getRevisionId()
+        .equals(other.getRevisionId())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -248,136 +218,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.RollbackSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.RollbackSchemaRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.RollbackSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.RollbackSchemaRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.RollbackSchemaRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `RollbackSchema` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.RollbackSchemaRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.RollbackSchemaRequest)
       com.google.pubsub.v1.RollbackSchemaRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_RollbackSchemaRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_RollbackSchemaRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.RollbackSchemaRequest.class,
-              com.google.pubsub.v1.RollbackSchemaRequest.Builder.class);
+              com.google.pubsub.v1.RollbackSchemaRequest.class, com.google.pubsub.v1.RollbackSchemaRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.RollbackSchemaRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -388,9 +354,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor;
     }
 
     @java.lang.Override
@@ -409,11 +375,8 @@ public com.google.pubsub.v1.RollbackSchemaRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.RollbackSchemaRequest buildPartial() {
-      com.google.pubsub.v1.RollbackSchemaRequest result =
-          new com.google.pubsub.v1.RollbackSchemaRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.RollbackSchemaRequest result = new com.google.pubsub.v1.RollbackSchemaRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -432,39 +395,38 @@ private void buildPartial0(com.google.pubsub.v1.RollbackSchemaRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.RollbackSchemaRequest) {
-        return mergeFrom((com.google.pubsub.v1.RollbackSchemaRequest) other);
+        return mergeFrom((com.google.pubsub.v1.RollbackSchemaRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -509,25 +471,22 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                revisionId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              revisionId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -537,27 +496,22 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. The schema being rolled back with revision id.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -566,23 +520,20 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The schema being rolled back with revision id.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -590,39 +541,28 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The schema being rolled back with revision id.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema being rolled back with revision id.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -632,23 +572,17 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema being rolled back with revision id.
      * 
        
      *
-     * 
-     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -658,8 +592,6 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object revisionId_ = "";
     /**
-     *
-     *
      * 
              * Required. The revision ID to roll back to.
      * It must be a revision of the same schema.
@@ -668,13 +600,13 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
      * 
        
      *
      * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The revisionId.
      */
     public java.lang.String getRevisionId() {
       java.lang.Object ref = revisionId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         revisionId_ = s;
         return s;
@@ -683,8 +615,6 @@ public java.lang.String getRevisionId() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The revision ID to roll back to.
      * It must be a revision of the same schema.
@@ -693,14 +623,15 @@ public java.lang.String getRevisionId() {
      * 
        
      *
      * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for revisionId.
      */
-    public com.google.protobuf.ByteString getRevisionIdBytes() {
+    public com.google.protobuf.ByteString
+        getRevisionIdBytes() {
       java.lang.Object ref = revisionId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         revisionId_ = b;
         return b;
       } else {
@@ -708,8 +639,6 @@ public com.google.protobuf.ByteString getRevisionIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The revision ID to roll back to.
      * It must be a revision of the same schema.
@@ -718,22 +647,18 @@ public com.google.protobuf.ByteString getRevisionIdBytes() {
      * 
        
      *
      * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The revisionId to set.
      * @return This builder for chaining.
      */
-    public Builder setRevisionId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setRevisionId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       revisionId_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The revision ID to roll back to.
      * It must be a revision of the same schema.
@@ -742,7 +667,6 @@ public Builder setRevisionId(java.lang.String value) {
      * 
        
      *
      * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearRevisionId() {
@@ -752,8 +676,6 @@ public Builder clearRevisionId() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The revision ID to roll back to.
      * It must be a revision of the same schema.
@@ -762,23 +684,21 @@ public Builder clearRevisionId() {
      * 
        
      *
      * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The bytes for revisionId to set.
      * @return This builder for chaining.
      */
-    public Builder setRevisionIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setRevisionIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       revisionId_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -788,12 +708,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.RollbackSchemaRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.RollbackSchemaRequest)
   private static final com.google.pubsub.v1.RollbackSchemaRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.RollbackSchemaRequest();
   }
@@ -802,27 +722,27 @@ public static com.google.pubsub.v1.RollbackSchemaRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public RollbackSchemaRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public RollbackSchemaRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -837,4 +757,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.RollbackSchemaRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequestOrBuilder.java
similarity index 51%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequestOrBuilder.java
index 992986674..979da98de 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RollbackSchemaRequestOrBuilder.java
@@ -1,60 +1,33 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface RollbackSchemaRequestOrBuilder
-    extends
+public interface RollbackSchemaRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.RollbackSchemaRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The schema being rolled back with revision id.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. The schema being rolled back with revision id.
    * 
        
    *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * Required. The revision ID to roll back to.
    * It must be a revision of the same schema.
@@ -63,13 +36,10 @@ public interface RollbackSchemaRequestOrBuilder
    * 
        
    *
    * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The revisionId.
    */
   java.lang.String getRevisionId();
   /**
-   *
-   *
    * 
            * Required. The revision ID to roll back to.
    * It must be a revision of the same schema.
@@ -78,8 +48,8 @@ public interface RollbackSchemaRequestOrBuilder
    * 
        
    *
    * string revision_id = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for revisionId.
    */
-  com.google.protobuf.ByteString getRevisionIdBytes();
+  com.google.protobuf.ByteString
+      getRevisionIdBytes();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Schema.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Schema.java
similarity index 68%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Schema.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Schema.java
index 1eef47c39..82a062b38 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Schema.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Schema.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * A schema resource.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.Schema}
  */
-public final class Schema extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class Schema extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.Schema)
     SchemaOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use Schema.newBuilder() to construct.
   private Schema(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private Schema() {
     name_ = "";
     type_ = 0;
@@ -46,36 +28,34 @@ private Schema() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new Schema();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
     return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_Schema_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_Schema_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_Schema_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
             com.google.pubsub.v1.Schema.class, com.google.pubsub.v1.Schema.Builder.class);
   }
 
   /**
-   *
-   *
    * 
            * Possible schema definition types.
    * 
        
    *
    * Protobuf enum {@code google.pubsub.v1.Schema.Type}
    */
-  public enum Type implements com.google.protobuf.ProtocolMessageEnum {
+  public enum Type
+      implements com.google.protobuf.ProtocolMessageEnum {
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -84,8 +64,6 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      */
     TYPE_UNSPECIFIED(0),
     /**
-     *
-     *
      * 
              * A Protocol Buffer schema definition.
      * 
        
@@ -94,8 +72,6 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      */
     PROTOCOL_BUFFER(1),
     /**
-     *
-     *
      * 
              * An Avro schema definition.
      * 
        
@@ -107,8 +83,6 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
     ;
 
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -117,8 +91,6 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int TYPE_UNSPECIFIED_VALUE = 0;
     /**
-     *
-     *
      * 
              * A Protocol Buffer schema definition.
      * 
        
@@ -127,8 +99,6 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int PROTOCOL_BUFFER_VALUE = 1;
     /**
-     *
-     *
      * 
              * An Avro schema definition.
      * 
        
@@ -137,6 +107,7 @@ public enum Type implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int AVRO_VALUE = 2;
 
+
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalArgumentException(
@@ -161,49 +132,49 @@ public static Type valueOf(int value) {
      */
     public static Type forNumber(int value) {
       switch (value) {
-        case 0:
-          return TYPE_UNSPECIFIED;
-        case 1:
-          return PROTOCOL_BUFFER;
-        case 2:
-          return AVRO;
-        default:
-          return null;
+        case 0: return TYPE_UNSPECIFIED;
+        case 1: return PROTOCOL_BUFFER;
+        case 2: return AVRO;
+        default: return null;
       }
     }
 
-    public static com.google.protobuf.Internal.EnumLiteMap internalGetValueMap() {
+    public static com.google.protobuf.Internal.EnumLiteMap
+        internalGetValueMap() {
       return internalValueMap;
     }
+    private static final com.google.protobuf.Internal.EnumLiteMap<
+        Type> internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap() {
+            public Type findValueByNumber(int number) {
+              return Type.forNumber(number);
+            }
+          };
 
-    private static final com.google.protobuf.Internal.EnumLiteMap internalValueMap =
-        new com.google.protobuf.Internal.EnumLiteMap() {
-          public Type findValueByNumber(int number) {
-            return Type.forNumber(number);
-          }
-        };
-
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor
+        getValueDescriptor() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalStateException(
             "Can't get the descriptor of an unrecognized enum value.");
       }
       return getDescriptor().getValues().get(ordinal());
     }
-
-    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+    public final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptorForType() {
       return getDescriptor();
     }
-
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptor() {
       return com.google.pubsub.v1.Schema.getDescriptor().getEnumTypes().get(0);
     }
 
     private static final Type[] VALUES = values();
 
-    public static Type valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+    public static Type valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
       if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+        throw new java.lang.IllegalArgumentException(
+          "EnumValueDescriptor is not for this type.");
       }
       if (desc.getIndex() == -1) {
         return UNRECOGNIZED;
@@ -221,19 +192,15 @@ private Type(int value) {
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. Name of the schema.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The name.
    */
   @java.lang.Override
@@ -242,30 +209,30 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. Name of the schema.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -276,44 +243,33 @@ public com.google.protobuf.ByteString getNameBytes() {
   public static final int TYPE_FIELD_NUMBER = 2;
   private int type_ = 0;
   /**
-   *
-   *
    * 
            * The type of the schema definition.
    * 
        
    *
    * .google.pubsub.v1.Schema.Type type = 2;
-   *
    * @return The enum numeric value on the wire for type.
    */
-  @java.lang.Override
-  public int getTypeValue() {
+  @java.lang.Override public int getTypeValue() {
     return type_;
   }
   /**
-   *
-   *
    * 
            * The type of the schema definition.
    * 
        
    *
    * .google.pubsub.v1.Schema.Type type = 2;
-   *
    * @return The type.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.Schema.Type getType() {
+  @java.lang.Override public com.google.pubsub.v1.Schema.Type getType() {
     com.google.pubsub.v1.Schema.Type result = com.google.pubsub.v1.Schema.Type.forNumber(type_);
     return result == null ? com.google.pubsub.v1.Schema.Type.UNRECOGNIZED : result;
   }
 
   public static final int DEFINITION_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object definition_ = "";
   /**
-   *
-   *
    * 
            * The definition of the schema. This should contain a string representing
    * the full definition of the schema that is a valid schema definition of
@@ -321,7 +277,6 @@ public com.google.pubsub.v1.Schema.Type getType() {
    * 
        
    *
    * string definition = 3;
-   *
    * @return The definition.
    */
   @java.lang.Override
@@ -330,15 +285,14 @@ public java.lang.String getDefinition() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       definition_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * The definition of the schema. This should contain a string representing
    * the full definition of the schema that is a valid schema definition of
@@ -346,15 +300,16 @@ public java.lang.String getDefinition() {
    * 
        
    *
    * string definition = 3;
-   *
    * @return The bytes for definition.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getDefinitionBytes() {
+  public com.google.protobuf.ByteString
+      getDefinitionBytes() {
     java.lang.Object ref = definition_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       definition_ = b;
       return b;
     } else {
@@ -363,20 +318,14 @@ public com.google.protobuf.ByteString getDefinitionBytes() {
   }
 
   public static final int REVISION_ID_FIELD_NUMBER = 4;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object revisionId_ = "";
   /**
-   *
-   *
    * 
            * Output only. Immutable. The revision ID of the schema.
    * 
        
    *
-   * 
-   * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The revisionId.
    */
   @java.lang.Override
@@ -385,31 +334,29 @@ public java.lang.String getRevisionId() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       revisionId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Output only. Immutable. The revision ID of the schema.
    * 
        
    *
-   * 
-   * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The bytes for revisionId.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getRevisionIdBytes() {
+  public com.google.protobuf.ByteString
+      getRevisionIdBytes() {
     java.lang.Object ref = revisionId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       revisionId_ = b;
       return b;
     } else {
@@ -420,16 +367,11 @@ public com.google.protobuf.ByteString getRevisionIdBytes() {
   public static final int REVISION_CREATE_TIME_FIELD_NUMBER = 6;
   private com.google.protobuf.Timestamp revisionCreateTime_;
   /**
-   *
-   *
    * 
            * Output only. The timestamp that the revision was created.
    * 
        
    *
-   * 
-   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return Whether the revisionCreateTime field is set.
    */
   @java.lang.Override
@@ -437,44 +379,30 @@ public boolean hasRevisionCreateTime() {
     return revisionCreateTime_ != null;
   }
   /**
-   *
-   *
    * 
            * Output only. The timestamp that the revision was created.
    * 
        
    *
-   * 
-   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The revisionCreateTime.
    */
   @java.lang.Override
   public com.google.protobuf.Timestamp getRevisionCreateTime() {
-    return revisionCreateTime_ == null
-        ? com.google.protobuf.Timestamp.getDefaultInstance()
-        : revisionCreateTime_;
+    return revisionCreateTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : revisionCreateTime_;
   }
   /**
-   *
-   *
    * 
            * Output only. The timestamp that the revision was created.
    * 
        
    *
-   * 
-   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
+   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
    */
   @java.lang.Override
   public com.google.protobuf.TimestampOrBuilder getRevisionCreateTimeOrBuilder() {
-    return revisionCreateTime_ == null
-        ? com.google.protobuf.Timestamp.getDefaultInstance()
-        : revisionCreateTime_;
+    return revisionCreateTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : revisionCreateTime_;
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -486,7 +414,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -515,7 +444,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
     }
     if (type_ != com.google.pubsub.v1.Schema.Type.TYPE_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, type_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(2, type_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(definition_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, definition_);
@@ -524,7 +454,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(4, revisionId_);
     }
     if (revisionCreateTime_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getRevisionCreateTime());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(6, getRevisionCreateTime());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -534,20 +465,24 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.Schema)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.Schema other = (com.google.pubsub.v1.Schema) obj;
 
-    if (!getName().equals(other.getName())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
     if (type_ != other.type_) return false;
-    if (!getDefinition().equals(other.getDefinition())) return false;
-    if (!getRevisionId().equals(other.getRevisionId())) return false;
+    if (!getDefinition()
+        .equals(other.getDefinition())) return false;
+    if (!getRevisionId()
+        .equals(other.getRevisionId())) return false;
     if (hasRevisionCreateTime() != other.hasRevisionCreateTime()) return false;
     if (hasRevisionCreateTime()) {
-      if (!getRevisionCreateTime().equals(other.getRevisionCreateTime())) return false;
+      if (!getRevisionCreateTime()
+          .equals(other.getRevisionCreateTime())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -577,133 +512,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.Schema parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.Schema parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Schema parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.Schema parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.Schema parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Schema parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Schema parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Schema parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Schema parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.Schema parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.Schema parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.Schema parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.Schema parseFrom(com.google.protobuf.CodedInputStream input)
+  public static com.google.pubsub.v1.Schema parseFrom(
+      com.google.protobuf.CodedInputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.Schema parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.Schema prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * A schema resource.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.Schema}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.Schema)
       com.google.pubsub.v1.SchemaOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
       return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_Schema_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_Schema_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_Schema_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
               com.google.pubsub.v1.Schema.class, com.google.pubsub.v1.Schema.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.Schema.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -721,7 +655,8 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
       return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_Schema_descriptor;
     }
 
@@ -742,9 +677,7 @@ public com.google.pubsub.v1.Schema build() {
     @java.lang.Override
     public com.google.pubsub.v1.Schema buildPartial() {
       com.google.pubsub.v1.Schema result = new com.google.pubsub.v1.Schema(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -764,10 +697,9 @@ private void buildPartial0(com.google.pubsub.v1.Schema result) {
         result.revisionId_ = revisionId_;
       }
       if (((from_bitField0_ & 0x00000010) != 0)) {
-        result.revisionCreateTime_ =
-            revisionCreateTimeBuilder_ == null
-                ? revisionCreateTime_
-                : revisionCreateTimeBuilder_.build();
+        result.revisionCreateTime_ = revisionCreateTimeBuilder_ == null
+            ? revisionCreateTime_
+            : revisionCreateTimeBuilder_.build();
       }
     }
 
@@ -775,39 +707,38 @@ private void buildPartial0(com.google.pubsub.v1.Schema result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.Schema) {
-        return mergeFrom((com.google.pubsub.v1.Schema) other);
+        return mergeFrom((com.google.pubsub.v1.Schema)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -863,44 +794,39 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                type_ = input.readEnum();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 26:
-              {
-                definition_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            case 34:
-              {
-                revisionId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 34
-            case 50:
-              {
-                input.readMessage(
-                    getRevisionCreateTimeFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 50
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              type_ = input.readEnum();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 26: {
+              definition_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            case 34: {
+              revisionId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 34
+            case 50: {
+              input.readMessage(
+                  getRevisionCreateTimeFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000010;
+              break;
+            } // case 50
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -910,26 +836,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. Name of the schema.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -938,22 +861,21 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. Name of the schema.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -961,37 +883,30 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. Name of the schema.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Name of the schema.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -1001,22 +916,18 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Name of the schema.
      * Format is `projects/{project}/schemas/{schema}`.
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -1026,29 +937,22 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private int type_ = 0;
     /**
-     *
-     *
      * 
              * The type of the schema definition.
      * 
        
      *
      * .google.pubsub.v1.Schema.Type type = 2;
-     *
      * @return The enum numeric value on the wire for type.
      */
-    @java.lang.Override
-    public int getTypeValue() {
+    @java.lang.Override public int getTypeValue() {
       return type_;
     }
     /**
-     *
-     *
      * 
              * The type of the schema definition.
      * 
        
      *
      * .google.pubsub.v1.Schema.Type type = 2;
-     *
      * @param value The enum numeric value on the wire for type to set.
      * @return This builder for chaining.
      */
@@ -1059,14 +963,11 @@ public Builder setTypeValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The type of the schema definition.
      * 
        
      *
      * .google.pubsub.v1.Schema.Type type = 2;
-     *
      * @return The type.
      */
     @java.lang.Override
@@ -1075,14 +976,11 @@ public com.google.pubsub.v1.Schema.Type getType() {
       return result == null ? com.google.pubsub.v1.Schema.Type.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * The type of the schema definition.
      * 
        
      *
      * .google.pubsub.v1.Schema.Type type = 2;
-     *
      * @param value The type to set.
      * @return This builder for chaining.
      */
@@ -1096,14 +994,11 @@ public Builder setType(com.google.pubsub.v1.Schema.Type value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The type of the schema definition.
      * 
        
      *
      * .google.pubsub.v1.Schema.Type type = 2;
-     *
      * @return This builder for chaining.
      */
     public Builder clearType() {
@@ -1115,8 +1010,6 @@ public Builder clearType() {
 
     private java.lang.Object definition_ = "";
     /**
-     *
-     *
      * 
              * The definition of the schema. This should contain a string representing
      * the full definition of the schema that is a valid schema definition of
@@ -1124,13 +1017,13 @@ public Builder clearType() {
      * 
        
      *
      * string definition = 3;
-     *
      * @return The definition.
      */
     public java.lang.String getDefinition() {
       java.lang.Object ref = definition_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         definition_ = s;
         return s;
@@ -1139,8 +1032,6 @@ public java.lang.String getDefinition() {
       }
     }
     /**
-     *
-     *
      * 
              * The definition of the schema. This should contain a string representing
      * the full definition of the schema that is a valid schema definition of
@@ -1148,14 +1039,15 @@ public java.lang.String getDefinition() {
      * 
        
      *
      * string definition = 3;
-     *
      * @return The bytes for definition.
      */
-    public com.google.protobuf.ByteString getDefinitionBytes() {
+    public com.google.protobuf.ByteString
+        getDefinitionBytes() {
       java.lang.Object ref = definition_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         definition_ = b;
         return b;
       } else {
@@ -1163,8 +1055,6 @@ public com.google.protobuf.ByteString getDefinitionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * The definition of the schema. This should contain a string representing
      * the full definition of the schema that is a valid schema definition of
@@ -1172,22 +1062,18 @@ public com.google.protobuf.ByteString getDefinitionBytes() {
      * 
        
      *
      * string definition = 3;
-     *
      * @param value The definition to set.
      * @return This builder for chaining.
      */
-    public Builder setDefinition(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setDefinition(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       definition_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * The definition of the schema. This should contain a string representing
      * the full definition of the schema that is a valid schema definition of
@@ -1195,7 +1081,6 @@ public Builder setDefinition(java.lang.String value) {
      * 
        
      *
      * string definition = 3;
-     *
      * @return This builder for chaining.
      */
     public Builder clearDefinition() {
@@ -1205,8 +1090,6 @@ public Builder clearDefinition() {
       return this;
     }
     /**
-     *
-     *
      * 
              * The definition of the schema. This should contain a string representing
      * the full definition of the schema that is a valid schema definition of
@@ -1214,14 +1097,12 @@ public Builder clearDefinition() {
      * 
        
      *
      * string definition = 3;
-     *
      * @param value The bytes for definition to set.
      * @return This builder for chaining.
      */
-    public Builder setDefinitionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setDefinitionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       definition_ = value;
       bitField0_ |= 0x00000004;
@@ -1231,22 +1112,18 @@ public Builder setDefinitionBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object revisionId_ = "";
     /**
-     *
-     *
      * 
              * Output only. Immutable. The revision ID of the schema.
      * 
        
      *
-     * 
-     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The revisionId.
      */
     public java.lang.String getRevisionId() {
       java.lang.Object ref = revisionId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         revisionId_ = s;
         return s;
@@ -1255,23 +1132,20 @@ public java.lang.String getRevisionId() {
       }
     }
     /**
-     *
-     *
      * 
              * Output only. Immutable. The revision ID of the schema.
      * 
        
      *
-     * 
-     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The bytes for revisionId.
      */
-    public com.google.protobuf.ByteString getRevisionIdBytes() {
+    public com.google.protobuf.ByteString
+        getRevisionIdBytes() {
       java.lang.Object ref = revisionId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         revisionId_ = b;
         return b;
       } else {
@@ -1279,39 +1153,28 @@ public com.google.protobuf.ByteString getRevisionIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Output only. Immutable. The revision ID of the schema.
      * 
        
      *
-     * 
-     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The revisionId to set.
      * @return This builder for chaining.
      */
-    public Builder setRevisionId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setRevisionId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       revisionId_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. Immutable. The revision ID of the schema.
      * 
        
      *
-     * 
-     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
      * @return This builder for chaining.
      */
     public Builder clearRevisionId() {
@@ -1321,23 +1184,17 @@ public Builder clearRevisionId() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. Immutable. The revision ID of the schema.
      * 
        
      *
-     * 
-     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The bytes for revisionId to set.
      * @return This builder for chaining.
      */
-    public Builder setRevisionIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setRevisionIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       revisionId_ = value;
       bitField0_ |= 0x00000008;
@@ -1347,58 +1204,39 @@ public Builder setRevisionIdBytes(com.google.protobuf.ByteString value) {
 
     private com.google.protobuf.Timestamp revisionCreateTime_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        revisionCreateTimeBuilder_;
+        com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder> revisionCreateTimeBuilder_;
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return Whether the revisionCreateTime field is set.
      */
     public boolean hasRevisionCreateTime() {
       return ((bitField0_ & 0x00000010) != 0);
     }
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The revisionCreateTime.
      */
     public com.google.protobuf.Timestamp getRevisionCreateTime() {
       if (revisionCreateTimeBuilder_ == null) {
-        return revisionCreateTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : revisionCreateTime_;
+        return revisionCreateTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : revisionCreateTime_;
       } else {
         return revisionCreateTimeBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public Builder setRevisionCreateTime(com.google.protobuf.Timestamp value) {
       if (revisionCreateTimeBuilder_ == null) {
@@ -1414,17 +1252,14 @@ public Builder setRevisionCreateTime(com.google.protobuf.Timestamp value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
-    public Builder setRevisionCreateTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+    public Builder setRevisionCreateTime(
+        com.google.protobuf.Timestamp.Builder builderForValue) {
       if (revisionCreateTimeBuilder_ == null) {
         revisionCreateTime_ = builderForValue.build();
       } else {
@@ -1435,21 +1270,17 @@ public Builder setRevisionCreateTime(com.google.protobuf.Timestamp.Builder build
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public Builder mergeRevisionCreateTime(com.google.protobuf.Timestamp value) {
       if (revisionCreateTimeBuilder_ == null) {
-        if (((bitField0_ & 0x00000010) != 0)
-            && revisionCreateTime_ != null
-            && revisionCreateTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000010) != 0) &&
+          revisionCreateTime_ != null &&
+          revisionCreateTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
           getRevisionCreateTimeBuilder().mergeFrom(value);
         } else {
           revisionCreateTime_ = value;
@@ -1462,15 +1293,11 @@ public Builder mergeRevisionCreateTime(com.google.protobuf.Timestamp value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public Builder clearRevisionCreateTime() {
       bitField0_ = (bitField0_ & ~0x00000010);
@@ -1483,15 +1310,11 @@ public Builder clearRevisionCreateTime() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public com.google.protobuf.Timestamp.Builder getRevisionCreateTimeBuilder() {
       bitField0_ |= 0x00000010;
@@ -1499,55 +1322,43 @@ public com.google.protobuf.Timestamp.Builder getRevisionCreateTimeBuilder() {
       return getRevisionCreateTimeFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public com.google.protobuf.TimestampOrBuilder getRevisionCreateTimeOrBuilder() {
       if (revisionCreateTimeBuilder_ != null) {
         return revisionCreateTimeBuilder_.getMessageOrBuilder();
       } else {
-        return revisionCreateTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : revisionCreateTime_;
+        return revisionCreateTime_ == null ?
+            com.google.protobuf.Timestamp.getDefaultInstance() : revisionCreateTime_;
       }
     }
     /**
-     *
-     *
      * 
              * Output only. The timestamp that the revision was created.
      * 
        
      *
-     * 
-     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
+        com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder> 
         getRevisionCreateTimeFieldBuilder() {
       if (revisionCreateTimeBuilder_ == null) {
-        revisionCreateTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Timestamp,
-                com.google.protobuf.Timestamp.Builder,
-                com.google.protobuf.TimestampOrBuilder>(
-                getRevisionCreateTime(), getParentForChildren(), isClean());
+        revisionCreateTimeBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder>(
+                getRevisionCreateTime(),
+                getParentForChildren(),
+                isClean());
         revisionCreateTime_ = null;
       }
       return revisionCreateTimeBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1557,12 +1368,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.Schema)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.Schema)
   private static final com.google.pubsub.v1.Schema DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.Schema();
   }
@@ -1571,27 +1382,27 @@ public static com.google.pubsub.v1.Schema getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public Schema parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public Schema parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1606,4 +1417,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.Schema getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaName.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaName.java
similarity index 100%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaName.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaName.java
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaOrBuilder.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaOrBuilder.java
index d16516796..58323a216 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaOrBuilder.java
@@ -1,83 +1,54 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface SchemaOrBuilder
-    extends
+public interface SchemaOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.Schema)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. Name of the schema.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. Name of the schema.
    * Format is `projects/{project}/schemas/{schema}`.
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * The type of the schema definition.
    * 
        
    *
    * .google.pubsub.v1.Schema.Type type = 2;
-   *
    * @return The enum numeric value on the wire for type.
    */
   int getTypeValue();
   /**
-   *
-   *
    * 
            * The type of the schema definition.
    * 
        
    *
    * .google.pubsub.v1.Schema.Type type = 2;
-   *
    * @return The type.
    */
   com.google.pubsub.v1.Schema.Type getType();
 
   /**
-   *
-   *
    * 
            * The definition of the schema. This should contain a string representing
    * the full definition of the schema that is a valid schema definition of
@@ -85,13 +56,10 @@ public interface SchemaOrBuilder
    * 
        
    *
    * string definition = 3;
-   *
    * @return The definition.
    */
   java.lang.String getDefinition();
   /**
-   *
-   *
    * 
            * The definition of the schema. This should contain a string representing
    * the full definition of the schema that is a valid schema definition of
@@ -99,78 +67,55 @@ public interface SchemaOrBuilder
    * 
        
    *
    * string definition = 3;
-   *
    * @return The bytes for definition.
    */
-  com.google.protobuf.ByteString getDefinitionBytes();
+  com.google.protobuf.ByteString
+      getDefinitionBytes();
 
   /**
-   *
-   *
    * 
            * Output only. Immutable. The revision ID of the schema.
    * 
        
    *
-   * 
-   * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The revisionId.
    */
   java.lang.String getRevisionId();
   /**
-   *
-   *
    * 
            * Output only. Immutable. The revision ID of the schema.
    * 
        
    *
-   * 
-   * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * string revision_id = 4 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The bytes for revisionId.
    */
-  com.google.protobuf.ByteString getRevisionIdBytes();
+  com.google.protobuf.ByteString
+      getRevisionIdBytes();
 
   /**
-   *
-   *
    * 
            * Output only. The timestamp that the revision was created.
    * 
        
    *
-   * 
-   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return Whether the revisionCreateTime field is set.
    */
   boolean hasRevisionCreateTime();
   /**
-   *
-   *
    * 
            * Output only. The timestamp that the revision was created.
    * 
        
    *
-   * 
-   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The revisionCreateTime.
    */
   com.google.protobuf.Timestamp getRevisionCreateTime();
   /**
-   *
-   *
    * 
            * Output only. The timestamp that the revision was created.
    * 
        
    *
-   * 
-   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
+   * .google.protobuf.Timestamp revision_create_time = 6 [(.google.api.field_behavior) = OUTPUT_ONLY];
    */
   com.google.protobuf.TimestampOrBuilder getRevisionCreateTimeOrBuilder();
 }
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaProto.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaProto.java
new file mode 100644
index 000000000..b9840f970
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaProto.java
@@ -0,0 +1,328 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/schema.proto
+
+package com.google.pubsub.v1;
+
+public final class SchemaProto {
+  private SchemaProto() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistryLite registry) {
+  }
+
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+    registerAllExtensions(
+        (com.google.protobuf.ExtensionRegistryLite) registry);
+  }
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_Schema_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_Schema_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_CreateSchemaRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_GetSchemaRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_GetSchemaRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListSchemasRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListSchemasRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListSchemasResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListSchemasResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_CommitSchemaRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_RollbackSchemaRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_DeleteSchemaRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ValidateSchemaRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ValidateSchemaResponse_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ValidateMessageRequest_fieldAccessorTable;
+  static final com.google.protobuf.Descriptors.Descriptor
+    internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor;
+  static final 
+    com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
+      internal_static_google_pubsub_v1_ValidateMessageResponse_fieldAccessorTable;
+
+  public static com.google.protobuf.Descriptors.FileDescriptor
+      getDescriptor() {
+    return descriptor;
+  }
+  private static  com.google.protobuf.Descriptors.FileDescriptor
+      descriptor;
+  static {
+    java.lang.String[] descriptorData = {
+      "\n\035google/pubsub/v1/schema.proto\022\020google." +
+      "pubsub.v1\032\034google/api/annotations.proto\032" +
+      "\027google/api/client.proto\032\037google/api/fie" +
+      "ld_behavior.proto\032\031google/api/resource.p" +
+      "roto\032\033google/protobuf/empty.proto\032\037googl" +
+      "e/protobuf/timestamp.proto\"\276\002\n\006Schema\022\022\n" +
+      "\004name\030\001 \001(\tB\004\342A\001\002\022+\n\004type\030\002 \001(\0162\035.google" +
+      ".pubsub.v1.Schema.Type\022\022\n\ndefinition\030\003 \001" +
+      "(\t\022\032\n\013revision_id\030\004 \001(\tB\005\342A\002\005\003\022>\n\024revisi" +
+      "on_create_time\030\006 \001(\0132\032.google.protobuf.T" +
+      "imestampB\004\342A\001\003\";\n\004Type\022\024\n\020TYPE_UNSPECIFI" +
+      "ED\020\000\022\023\n\017PROTOCOL_BUFFER\020\001\022\010\n\004AVRO\020\002:F\352AC" +
+      "\n\034pubsub.googleapis.com/Schema\022#projects" +
+      "/{project}/schemas/{schema}\"\217\001\n\023CreateSc" +
+      "hemaRequest\0225\n\006parent\030\001 \001(\tB%\342A\001\002\372A\036\022\034pu" +
+      "bsub.googleapis.com/Schema\022.\n\006schema\030\002 \001" +
+      "(\0132\030.google.pubsub.v1.SchemaB\004\342A\001\002\022\021\n\tsc" +
+      "hema_id\030\003 \001(\t\"s\n\020GetSchemaRequest\0223\n\004nam" +
+      "e\030\001 \001(\tB%\342A\001\002\372A\036\n\034pubsub.googleapis.com/" +
+      "Schema\022*\n\004view\030\002 \001(\0162\034.google.pubsub.v1." +
+      "SchemaView\"\255\001\n\022ListSchemasRequest\022D\n\006par" +
+      "ent\030\001 \001(\tB4\342A\001\002\372A-\n+cloudresourcemanager" +
+      ".googleapis.com/Project\022*\n\004view\030\002 \001(\0162\034." +
+      "google.pubsub.v1.SchemaView\022\021\n\tpage_size" +
+      "\030\003 \001(\005\022\022\n\npage_token\030\004 \001(\t\"Y\n\023ListSchema" +
+      "sResponse\022)\n\007schemas\030\001 \003(\0132\030.google.pubs" +
+      "ub.v1.Schema\022\027\n\017next_page_token\030\002 \001(\t\"\244\001" +
+      "\n\032ListSchemaRevisionsRequest\0223\n\004name\030\001 \001" +
+      "(\tB%\342A\001\002\372A\036\n\034pubsub.googleapis.com/Schem" +
+      "a\022*\n\004view\030\002 \001(\0162\034.google.pubsub.v1.Schem" +
+      "aView\022\021\n\tpage_size\030\003 \001(\005\022\022\n\npage_token\030\004" +
+      " \001(\t\"a\n\033ListSchemaRevisionsResponse\022)\n\007s" +
+      "chemas\030\001 \003(\0132\030.google.pubsub.v1.Schema\022\027" +
+      "\n\017next_page_token\030\002 \001(\t\"z\n\023CommitSchemaR" +
+      "equest\0223\n\004name\030\001 \001(\tB%\342A\001\002\372A\036\n\034pubsub.go" +
+      "ogleapis.com/Schema\022.\n\006schema\030\002 \001(\0132\030.go" +
+      "ogle.pubsub.v1.SchemaB\004\342A\001\002\"g\n\025RollbackS" +
+      "chemaRequest\0223\n\004name\030\001 \001(\tB%\342A\001\002\372A\036\n\034pub" +
+      "sub.googleapis.com/Schema\022\031\n\013revision_id" +
+      "\030\002 \001(\tB\004\342A\001\002\"o\n\033DeleteSchemaRevisionRequ" +
+      "est\0223\n\004name\030\001 \001(\tB%\342A\001\002\372A\036\n\034pubsub.googl" +
+      "eapis.com/Schema\022\033\n\013revision_id\030\002 \001(\tB\006\030" +
+      "\001\342A\001\001\"J\n\023DeleteSchemaRequest\0223\n\004name\030\001 \001" +
+      "(\tB%\342A\001\002\372A\036\n\034pubsub.googleapis.com/Schem" +
+      "a\"\215\001\n\025ValidateSchemaRequest\022D\n\006parent\030\001 " +
+      "\001(\tB4\342A\001\002\372A-\n+cloudresourcemanager.googl" +
+      "eapis.com/Project\022.\n\006schema\030\002 \001(\0132\030.goog" +
+      "le.pubsub.v1.SchemaB\004\342A\001\002\"\030\n\026ValidateSch" +
+      "emaResponse\"\213\002\n\026ValidateMessageRequest\022D" +
+      "\n\006parent\030\001 \001(\tB4\342A\001\002\372A-\n+cloudresourcema" +
+      "nager.googleapis.com/Project\0221\n\004name\030\002 \001" +
+      "(\tB!\372A\036\n\034pubsub.googleapis.com/SchemaH\000\022" +
+      "*\n\006schema\030\003 \001(\0132\030.google.pubsub.v1.Schem" +
+      "aH\000\022\017\n\007message\030\004 \001(\014\022,\n\010encoding\030\005 \001(\0162\032" +
+      ".google.pubsub.v1.EncodingB\r\n\013schema_spe" +
+      "c\"\031\n\027ValidateMessageResponse*>\n\nSchemaVi" +
+      "ew\022\033\n\027SCHEMA_VIEW_UNSPECIFIED\020\000\022\t\n\005BASIC" +
+      "\020\001\022\010\n\004FULL\020\002*:\n\010Encoding\022\030\n\024ENCODING_UNS" +
+      "PECIFIED\020\000\022\010\n\004JSON\020\001\022\n\n\006BINARY\020\0022\210\r\n\rSch" +
+      "emaService\022\232\001\n\014CreateSchema\022%.google.pub" +
+      "sub.v1.CreateSchemaRequest\032\030.google.pubs" +
+      "ub.v1.Schema\"I\332A\027parent,schema,schema_id" +
+      "\202\323\344\223\002)\"\037/v1/{parent=projects/*}/schemas:" +
+      "\006schema\022y\n\tGetSchema\022\".google.pubsub.v1." +
+      "GetSchemaRequest\032\030.google.pubsub.v1.Sche" +
+      "ma\".\332A\004name\202\323\344\223\002!\022\037/v1/{name=projects/*/" +
+      "schemas/*}\022\214\001\n\013ListSchemas\022$.google.pubs" +
+      "ub.v1.ListSchemasRequest\032%.google.pubsub" +
+      ".v1.ListSchemasResponse\"0\332A\006parent\202\323\344\223\002!" +
+      "\022\037/v1/{parent=projects/*}/schemas\022\260\001\n\023Li" +
+      "stSchemaRevisions\022,.google.pubsub.v1.Lis" +
+      "tSchemaRevisionsRequest\032-.google.pubsub." +
+      "v1.ListSchemaRevisionsResponse\"<\332A\004name\202" +
+      "\323\344\223\002/\022-/v1/{name=projects/*/schemas/*}:l" +
+      "istRevisions\022\220\001\n\014CommitSchema\022%.google.p" +
+      "ubsub.v1.CommitSchemaRequest\032\030.google.pu" +
+      "bsub.v1.Schema\"?\332A\013name,schema\202\323\344\223\002+\"&/v" +
+      "1/{name=projects/*/schemas/*}:commit:\001*\022" +
+      "\233\001\n\016RollbackSchema\022\'.google.pubsub.v1.Ro" +
+      "llbackSchemaRequest\032\030.google.pubsub.v1.S" +
+      "chema\"F\332A\020name,revision_id\202\323\344\223\002-\"(/v1/{n" +
+      "ame=projects/*/schemas/*}:rollback:\001*\022\252\001" +
+      "\n\024DeleteSchemaRevision\022-.google.pubsub.v" +
+      "1.DeleteSchemaRevisionRequest\032\030.google.p" +
+      "ubsub.v1.Schema\"I\332A\020name,revision_id\202\323\344\223" +
+      "\0020*./v1/{name=projects/*/schemas/*}:dele" +
+      "teRevision\022}\n\014DeleteSchema\022%.google.pubs" +
+      "ub.v1.DeleteSchemaRequest\032\026.google.proto" +
+      "buf.Empty\".\332A\004name\202\323\344\223\002!*\037/v1/{name=proj" +
+      "ects/*/schemas/*}\022\250\001\n\016ValidateSchema\022\'.g" +
+      "oogle.pubsub.v1.ValidateSchemaRequest\032(." +
+      "google.pubsub.v1.ValidateSchemaResponse\"" +
+      "C\332A\rparent,schema\202\323\344\223\002-\"(/v1/{parent=pro" +
+      "jects/*}/schemas:validate:\001*\022\242\001\n\017Validat" +
+      "eMessage\022(.google.pubsub.v1.ValidateMess" +
+      "ageRequest\032).google.pubsub.v1.ValidateMe" +
+      "ssageResponse\":\202\323\344\223\0024\"//v1/{parent=proje" +
+      "cts/*}/schemas:validateMessage:\001*\032p\312A\025pu" +
+      "bsub.googleapis.com\322AUhttps://www.google" +
+      "apis.com/auth/cloud-platform,https://www" +
+      ".googleapis.com/auth/pubsubB\252\001\n\024com.goog" +
+      "le.pubsub.v1B\013SchemaProtoP\001Z2cloud.googl" +
+      "e.com/go/pubsub/apiv1/pubsubpb;pubsubpb\370" +
+      "\001\001\252\002\026Google.Cloud.PubSub.V1\312\002\026Google\\Clo" +
+      "ud\\PubSub\\V1\352\002\031Google::Cloud::PubSub::V1" +
+      "b\006proto3"
+    };
+    descriptor = com.google.protobuf.Descriptors.FileDescriptor
+      .internalBuildGeneratedFileFrom(descriptorData,
+        new com.google.protobuf.Descriptors.FileDescriptor[] {
+          com.google.api.AnnotationsProto.getDescriptor(),
+          com.google.api.ClientProto.getDescriptor(),
+          com.google.api.FieldBehaviorProto.getDescriptor(),
+          com.google.api.ResourceProto.getDescriptor(),
+          com.google.protobuf.EmptyProto.getDescriptor(),
+          com.google.protobuf.TimestampProto.getDescriptor(),
+        });
+    internal_static_google_pubsub_v1_Schema_descriptor =
+      getDescriptor().getMessageTypes().get(0);
+    internal_static_google_pubsub_v1_Schema_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_Schema_descriptor,
+        new java.lang.String[] { "Name", "Type", "Definition", "RevisionId", "RevisionCreateTime", });
+    internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor =
+      getDescriptor().getMessageTypes().get(1);
+    internal_static_google_pubsub_v1_CreateSchemaRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor,
+        new java.lang.String[] { "Parent", "Schema", "SchemaId", });
+    internal_static_google_pubsub_v1_GetSchemaRequest_descriptor =
+      getDescriptor().getMessageTypes().get(2);
+    internal_static_google_pubsub_v1_GetSchemaRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_GetSchemaRequest_descriptor,
+        new java.lang.String[] { "Name", "View", });
+    internal_static_google_pubsub_v1_ListSchemasRequest_descriptor =
+      getDescriptor().getMessageTypes().get(3);
+    internal_static_google_pubsub_v1_ListSchemasRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListSchemasRequest_descriptor,
+        new java.lang.String[] { "Parent", "View", "PageSize", "PageToken", });
+    internal_static_google_pubsub_v1_ListSchemasResponse_descriptor =
+      getDescriptor().getMessageTypes().get(4);
+    internal_static_google_pubsub_v1_ListSchemasResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListSchemasResponse_descriptor,
+        new java.lang.String[] { "Schemas", "NextPageToken", });
+    internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor =
+      getDescriptor().getMessageTypes().get(5);
+    internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor,
+        new java.lang.String[] { "Name", "View", "PageSize", "PageToken", });
+    internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor =
+      getDescriptor().getMessageTypes().get(6);
+    internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor,
+        new java.lang.String[] { "Schemas", "NextPageToken", });
+    internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor =
+      getDescriptor().getMessageTypes().get(7);
+    internal_static_google_pubsub_v1_CommitSchemaRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor,
+        new java.lang.String[] { "Name", "Schema", });
+    internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor =
+      getDescriptor().getMessageTypes().get(8);
+    internal_static_google_pubsub_v1_RollbackSchemaRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor,
+        new java.lang.String[] { "Name", "RevisionId", });
+    internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor =
+      getDescriptor().getMessageTypes().get(9);
+    internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor,
+        new java.lang.String[] { "Name", "RevisionId", });
+    internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor =
+      getDescriptor().getMessageTypes().get(10);
+    internal_static_google_pubsub_v1_DeleteSchemaRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor,
+        new java.lang.String[] { "Name", });
+    internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor =
+      getDescriptor().getMessageTypes().get(11);
+    internal_static_google_pubsub_v1_ValidateSchemaRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor,
+        new java.lang.String[] { "Parent", "Schema", });
+    internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor =
+      getDescriptor().getMessageTypes().get(12);
+    internal_static_google_pubsub_v1_ValidateSchemaResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor,
+        new java.lang.String[] { });
+    internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor =
+      getDescriptor().getMessageTypes().get(13);
+    internal_static_google_pubsub_v1_ValidateMessageRequest_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor,
+        new java.lang.String[] { "Parent", "Name", "Schema", "Message", "Encoding", "SchemaSpec", });
+    internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor =
+      getDescriptor().getMessageTypes().get(14);
+    internal_static_google_pubsub_v1_ValidateMessageResponse_fieldAccessorTable = new
+      com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
+        internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor,
+        new java.lang.String[] { });
+    com.google.protobuf.ExtensionRegistry registry =
+        com.google.protobuf.ExtensionRegistry.newInstance();
+    registry.add(com.google.api.ClientProto.defaultHost);
+    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
+    registry.add(com.google.api.AnnotationsProto.http);
+    registry.add(com.google.api.ClientProto.methodSignature);
+    registry.add(com.google.api.ClientProto.oauthScopes);
+    registry.add(com.google.api.ResourceProto.resource);
+    registry.add(com.google.api.ResourceProto.resourceReference);
+    com.google.protobuf.Descriptors.FileDescriptor
+        .internalUpdateFileDescriptor(descriptor, registry);
+    com.google.api.AnnotationsProto.getDescriptor();
+    com.google.api.ClientProto.getDescriptor();
+    com.google.api.FieldBehaviorProto.getDescriptor();
+    com.google.api.ResourceProto.getDescriptor();
+    com.google.protobuf.EmptyProto.getDescriptor();
+    com.google.protobuf.TimestampProto.getDescriptor();
+  }
+
+  // @@protoc_insertion_point(outer_class_scope)
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettings.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettings.java
similarity index 60%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettings.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettings.java
index 203c014e9..5b9454be6 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettings.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettings.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Settings for validating messages published against a schema.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.SchemaSettings}
  */
-public final class SchemaSettings extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class SchemaSettings extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.SchemaSettings)
     SchemaSettingsOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use SchemaSettings.newBuilder() to construct.
   private SchemaSettings(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private SchemaSettings() {
     schema_ = "";
     encoding_ = 0;
@@ -46,32 +28,28 @@ private SchemaSettings() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new SchemaSettings();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_SchemaSettings_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SchemaSettings_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_SchemaSettings_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SchemaSettings_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.SchemaSettings.class,
-            com.google.pubsub.v1.SchemaSettings.Builder.class);
+            com.google.pubsub.v1.SchemaSettings.class, com.google.pubsub.v1.SchemaSettings.Builder.class);
   }
 
   public static final int SCHEMA_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object schema_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the schema that messages published should be
    * validated against. Format is `projects/{project}/schemas/{schema}`. The
@@ -79,10 +57,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * deleted.
    * 
        
    *
-   * 
-   * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The schema.
    */
   @java.lang.Override
@@ -91,15 +66,14 @@ public java.lang.String getSchema() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       schema_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the schema that messages published should be
    * validated against. Format is `projects/{project}/schemas/{schema}`. The
@@ -107,18 +81,17 @@ public java.lang.String getSchema() {
    * deleted.
    * 
        
    *
-   * 
-   * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for schema.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSchemaBytes() {
+  public com.google.protobuf.ByteString
+      getSchemaBytes() {
     java.lang.Object ref = schema_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       schema_ = b;
       return b;
     } else {
@@ -129,52 +102,40 @@ public com.google.protobuf.ByteString getSchemaBytes() {
   public static final int ENCODING_FIELD_NUMBER = 2;
   private int encoding_ = 0;
   /**
-   *
-   *
    * 
        -   * The encoding of messages validated against `schema`.
+   * Optional. The encoding of messages validated against `schema`.
    * 
        
    *
-   * .google.pubsub.v1.Encoding encoding = 2;
-   *
+   * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The enum numeric value on the wire for encoding.
    */
-  @java.lang.Override
-  public int getEncodingValue() {
+  @java.lang.Override public int getEncodingValue() {
     return encoding_;
   }
   /**
-   *
-   *
    * 
        -   * The encoding of messages validated against `schema`.
+   * Optional. The encoding of messages validated against `schema`.
    * 
        
    *
-   * .google.pubsub.v1.Encoding encoding = 2;
-   *
+   * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The encoding.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.Encoding getEncoding() {
+  @java.lang.Override public com.google.pubsub.v1.Encoding getEncoding() {
     com.google.pubsub.v1.Encoding result = com.google.pubsub.v1.Encoding.forNumber(encoding_);
     return result == null ? com.google.pubsub.v1.Encoding.UNRECOGNIZED : result;
   }
 
   public static final int FIRST_REVISION_ID_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object firstRevisionId_ = "";
   /**
-   *
-   *
    * 
        -   * The minimum (inclusive) revision allowed for validating messages. If empty
-   * or not present, allow any revision to be validated against last_revision or
-   * any revision created before.
+   * Optional. The minimum (inclusive) revision allowed for validating messages.
+   * If empty or not present, allow any revision to be validated against
+   * last_revision or any revision created before.
    * 
        
    *
-   * string first_revision_id = 3;
-   *
+   * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The firstRevisionId.
    */
   @java.lang.Override
@@ -183,31 +144,31 @@ public java.lang.String getFirstRevisionId() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       firstRevisionId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The minimum (inclusive) revision allowed for validating messages. If empty
-   * or not present, allow any revision to be validated against last_revision or
-   * any revision created before.
+   * Optional. The minimum (inclusive) revision allowed for validating messages.
+   * If empty or not present, allow any revision to be validated against
+   * last_revision or any revision created before.
    * 
        
    *
-   * string first_revision_id = 3;
-   *
+   * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for firstRevisionId.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getFirstRevisionIdBytes() {
+  public com.google.protobuf.ByteString
+      getFirstRevisionIdBytes() {
     java.lang.Object ref = firstRevisionId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       firstRevisionId_ = b;
       return b;
     } else {
@@ -216,20 +177,16 @@ public com.google.protobuf.ByteString getFirstRevisionIdBytes() {
   }
 
   public static final int LAST_REVISION_ID_FIELD_NUMBER = 4;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object lastRevisionId_ = "";
   /**
-   *
-   *
    * 
        -   * The maximum (inclusive) revision allowed for validating messages. If empty
-   * or not present, allow any revision to be validated against first_revision
-   * or any revision created after.
+   * Optional. The maximum (inclusive) revision allowed for validating messages.
+   * If empty or not present, allow any revision to be validated against
+   * first_revision or any revision created after.
    * 
        
    *
-   * string last_revision_id = 4;
-   *
+   * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The lastRevisionId.
    */
   @java.lang.Override
@@ -238,31 +195,31 @@ public java.lang.String getLastRevisionId() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       lastRevisionId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The maximum (inclusive) revision allowed for validating messages. If empty
-   * or not present, allow any revision to be validated against first_revision
-   * or any revision created after.
+   * Optional. The maximum (inclusive) revision allowed for validating messages.
+   * If empty or not present, allow any revision to be validated against
+   * first_revision or any revision created after.
    * 
        
    *
-   * string last_revision_id = 4;
-   *
+   * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for lastRevisionId.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getLastRevisionIdBytes() {
+  public com.google.protobuf.ByteString
+      getLastRevisionIdBytes() {
     java.lang.Object ref = lastRevisionId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       lastRevisionId_ = b;
       return b;
     } else {
@@ -271,7 +228,6 @@ public com.google.protobuf.ByteString getLastRevisionIdBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -283,7 +239,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(schema_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, schema_);
     }
@@ -309,7 +266,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, schema_);
     }
     if (encoding_ != com.google.pubsub.v1.Encoding.ENCODING_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(2, encoding_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(2, encoding_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(firstRevisionId_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, firstRevisionId_);
@@ -325,17 +283,20 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.SchemaSettings)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.SchemaSettings other = (com.google.pubsub.v1.SchemaSettings) obj;
 
-    if (!getSchema().equals(other.getSchema())) return false;
+    if (!getSchema()
+        .equals(other.getSchema())) return false;
     if (encoding_ != other.encoding_) return false;
-    if (!getFirstRevisionId().equals(other.getFirstRevisionId())) return false;
-    if (!getLastRevisionId().equals(other.getLastRevisionId())) return false;
+    if (!getFirstRevisionId()
+        .equals(other.getFirstRevisionId())) return false;
+    if (!getLastRevisionId()
+        .equals(other.getLastRevisionId())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -360,135 +321,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.SchemaSettings parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.SchemaSettings parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SchemaSettings parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.SchemaSettings parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.SchemaSettings parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SchemaSettings parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SchemaSettings parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SchemaSettings parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SchemaSettings parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.SchemaSettings parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.SchemaSettings parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.SchemaSettings parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SchemaSettings parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.SchemaSettings parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.SchemaSettings prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Settings for validating messages published against a schema.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.SchemaSettings}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.SchemaSettings)
       com.google.pubsub.v1.SchemaSettingsOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SchemaSettings_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SchemaSettings_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SchemaSettings_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SchemaSettings_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.SchemaSettings.class,
-              com.google.pubsub.v1.SchemaSettings.Builder.class);
+              com.google.pubsub.v1.SchemaSettings.class, com.google.pubsub.v1.SchemaSettings.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.SchemaSettings.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -501,9 +459,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SchemaSettings_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SchemaSettings_descriptor;
     }
 
     @java.lang.Override
@@ -523,9 +481,7 @@ public com.google.pubsub.v1.SchemaSettings build() {
     @java.lang.Override
     public com.google.pubsub.v1.SchemaSettings buildPartial() {
       com.google.pubsub.v1.SchemaSettings result = new com.google.pubsub.v1.SchemaSettings(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -550,39 +506,38 @@ private void buildPartial0(com.google.pubsub.v1.SchemaSettings result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.SchemaSettings) {
-        return mergeFrom((com.google.pubsub.v1.SchemaSettings) other);
+        return mergeFrom((com.google.pubsub.v1.SchemaSettings)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -635,37 +590,32 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                schema_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 16:
-              {
-                encoding_ = input.readEnum();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 16
-            case 26:
-              {
-                firstRevisionId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            case 34:
-              {
-                lastRevisionId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 34
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              schema_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 16: {
+              encoding_ = input.readEnum();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 16
+            case 26: {
+              firstRevisionId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            case 34: {
+              lastRevisionId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 34
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -675,13 +625,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object schema_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the schema that messages published should be
      * validated against. Format is `projects/{project}/schemas/{schema}`. The
@@ -689,16 +636,14 @@ public Builder mergeFrom(
      * deleted.
      * 
        
      *
-     * 
-     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The schema.
      */
     public java.lang.String getSchema() {
       java.lang.Object ref = schema_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         schema_ = s;
         return s;
@@ -707,8 +652,6 @@ public java.lang.String getSchema() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema that messages published should be
      * validated against. Format is `projects/{project}/schemas/{schema}`. The
@@ -716,17 +659,16 @@ public java.lang.String getSchema() {
      * deleted.
      * 
        
      *
-     * 
-     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for schema.
      */
-    public com.google.protobuf.ByteString getSchemaBytes() {
+    public com.google.protobuf.ByteString
+        getSchemaBytes() {
       java.lang.Object ref = schema_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         schema_ = b;
         return b;
       } else {
@@ -734,8 +676,6 @@ public com.google.protobuf.ByteString getSchemaBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema that messages published should be
      * validated against. Format is `projects/{project}/schemas/{schema}`. The
@@ -743,25 +683,19 @@ public com.google.protobuf.ByteString getSchemaBytes() {
      * deleted.
      * 
        
      *
-     * 
-     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The schema to set.
      * @return This builder for chaining.
      */
-    public Builder setSchema(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSchema(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       schema_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema that messages published should be
      * validated against. Format is `projects/{project}/schemas/{schema}`. The
@@ -769,10 +703,7 @@ public Builder setSchema(java.lang.String value) {
      * deleted.
      * 
        
      *
-     * 
-     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSchema() {
@@ -782,8 +713,6 @@ public Builder clearSchema() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the schema that messages published should be
      * validated against. Format is `projects/{project}/schemas/{schema}`. The
@@ -791,17 +720,13 @@ public Builder clearSchema() {
      * deleted.
      * 
        
      *
-     * 
-     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for schema to set.
      * @return This builder for chaining.
      */
-    public Builder setSchemaBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSchemaBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       schema_ = value;
       bitField0_ |= 0x00000001;
@@ -811,29 +736,22 @@ public Builder setSchemaBytes(com.google.protobuf.ByteString value) {
 
     private int encoding_ = 0;
     /**
-     *
-     *
      * 
        -     * The encoding of messages validated against `schema`.
+     * Optional. The encoding of messages validated against `schema`.
      * 
        
      *
-     * .google.pubsub.v1.Encoding encoding = 2;
-     *
+     * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The enum numeric value on the wire for encoding.
      */
-    @java.lang.Override
-    public int getEncodingValue() {
+    @java.lang.Override public int getEncodingValue() {
       return encoding_;
     }
     /**
-     *
-     *
      * 
        -     * The encoding of messages validated against `schema`.
+     * Optional. The encoding of messages validated against `schema`.
      * 
        
      *
-     * .google.pubsub.v1.Encoding encoding = 2;
-     *
+     * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The enum numeric value on the wire for encoding to set.
      * @return This builder for chaining.
      */
@@ -844,14 +762,11 @@ public Builder setEncodingValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The encoding of messages validated against `schema`.
+     * Optional. The encoding of messages validated against `schema`.
      * 
        
      *
-     * .google.pubsub.v1.Encoding encoding = 2;
-     *
+     * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The encoding.
      */
     @java.lang.Override
@@ -860,14 +775,11 @@ public com.google.pubsub.v1.Encoding getEncoding() {
       return result == null ? com.google.pubsub.v1.Encoding.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
        -     * The encoding of messages validated against `schema`.
+     * Optional. The encoding of messages validated against `schema`.
      * 
        
      *
-     * .google.pubsub.v1.Encoding encoding = 2;
-     *
+     * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The encoding to set.
      * @return This builder for chaining.
      */
@@ -881,14 +793,11 @@ public Builder setEncoding(com.google.pubsub.v1.Encoding value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The encoding of messages validated against `schema`.
+     * Optional. The encoding of messages validated against `schema`.
      * 
        
      *
-     * .google.pubsub.v1.Encoding encoding = 2;
-     *
+     * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearEncoding() {
@@ -900,22 +809,20 @@ public Builder clearEncoding() {
 
     private java.lang.Object firstRevisionId_ = "";
     /**
-     *
-     *
      * 
        -     * The minimum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against last_revision or
-     * any revision created before.
+     * Optional. The minimum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * last_revision or any revision created before.
      * 
        
      *
-     * string first_revision_id = 3;
-     *
+     * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The firstRevisionId.
      */
     public java.lang.String getFirstRevisionId() {
       java.lang.Object ref = firstRevisionId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         firstRevisionId_ = s;
         return s;
@@ -924,23 +831,22 @@ public java.lang.String getFirstRevisionId() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The minimum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against last_revision or
-     * any revision created before.
+     * Optional. The minimum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * last_revision or any revision created before.
      * 
        
      *
-     * string first_revision_id = 3;
-     *
+     * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for firstRevisionId.
      */
-    public com.google.protobuf.ByteString getFirstRevisionIdBytes() {
+    public com.google.protobuf.ByteString
+        getFirstRevisionIdBytes() {
       java.lang.Object ref = firstRevisionId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         firstRevisionId_ = b;
         return b;
       } else {
@@ -948,39 +854,32 @@ public com.google.protobuf.ByteString getFirstRevisionIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The minimum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against last_revision or
-     * any revision created before.
+     * Optional. The minimum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * last_revision or any revision created before.
      * 
        
      *
-     * string first_revision_id = 3;
-     *
+     * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The firstRevisionId to set.
      * @return This builder for chaining.
      */
-    public Builder setFirstRevisionId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setFirstRevisionId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       firstRevisionId_ = value;
       bitField0_ |= 0x00000004;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The minimum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against last_revision or
-     * any revision created before.
+     * Optional. The minimum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * last_revision or any revision created before.
      * 
        
      *
-     * string first_revision_id = 3;
-     *
+     * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearFirstRevisionId() {
@@ -990,23 +889,19 @@ public Builder clearFirstRevisionId() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The minimum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against last_revision or
-     * any revision created before.
+     * Optional. The minimum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * last_revision or any revision created before.
      * 
        
      *
-     * string first_revision_id = 3;
-     *
+     * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for firstRevisionId to set.
      * @return This builder for chaining.
      */
-    public Builder setFirstRevisionIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setFirstRevisionIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       firstRevisionId_ = value;
       bitField0_ |= 0x00000004;
@@ -1016,22 +911,20 @@ public Builder setFirstRevisionIdBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object lastRevisionId_ = "";
     /**
-     *
-     *
      * 
        -     * The maximum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against first_revision
-     * or any revision created after.
+     * Optional. The maximum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * first_revision or any revision created after.
      * 
        
      *
-     * string last_revision_id = 4;
-     *
+     * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The lastRevisionId.
      */
     public java.lang.String getLastRevisionId() {
       java.lang.Object ref = lastRevisionId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         lastRevisionId_ = s;
         return s;
@@ -1040,23 +933,22 @@ public java.lang.String getLastRevisionId() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The maximum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against first_revision
-     * or any revision created after.
+     * Optional. The maximum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * first_revision or any revision created after.
      * 
        
      *
-     * string last_revision_id = 4;
-     *
+     * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for lastRevisionId.
      */
-    public com.google.protobuf.ByteString getLastRevisionIdBytes() {
+    public com.google.protobuf.ByteString
+        getLastRevisionIdBytes() {
       java.lang.Object ref = lastRevisionId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         lastRevisionId_ = b;
         return b;
       } else {
@@ -1064,39 +956,32 @@ public com.google.protobuf.ByteString getLastRevisionIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The maximum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against first_revision
-     * or any revision created after.
+     * Optional. The maximum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * first_revision or any revision created after.
      * 
        
      *
-     * string last_revision_id = 4;
-     *
+     * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The lastRevisionId to set.
      * @return This builder for chaining.
      */
-    public Builder setLastRevisionId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setLastRevisionId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       lastRevisionId_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against first_revision
-     * or any revision created after.
+     * Optional. The maximum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * first_revision or any revision created after.
      * 
        
      *
-     * string last_revision_id = 4;
-     *
+     * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearLastRevisionId() {
@@ -1106,32 +991,28 @@ public Builder clearLastRevisionId() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The maximum (inclusive) revision allowed for validating messages. If empty
-     * or not present, allow any revision to be validated against first_revision
-     * or any revision created after.
+     * Optional. The maximum (inclusive) revision allowed for validating messages.
+     * If empty or not present, allow any revision to be validated against
+     * first_revision or any revision created after.
      * 
        
      *
-     * string last_revision_id = 4;
-     *
+     * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for lastRevisionId to set.
      * @return This builder for chaining.
      */
-    public Builder setLastRevisionIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setLastRevisionIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       lastRevisionId_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1141,12 +1022,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.SchemaSettings)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.SchemaSettings)
   private static final com.google.pubsub.v1.SchemaSettings DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.SchemaSettings();
   }
@@ -1155,27 +1036,27 @@ public static com.google.pubsub.v1.SchemaSettings getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public SchemaSettings parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public SchemaSettings parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1190,4 +1071,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.SchemaSettings getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettingsOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettingsOrBuilder.java
new file mode 100644
index 000000000..613b94b74
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettingsOrBuilder.java
@@ -0,0 +1,102 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface SchemaSettingsOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.SchemaSettings)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Required. The name of the schema that messages published should be
+   * validated against. Format is `projects/{project}/schemas/{schema}`. The
+   * value of this field will be `_deleted-schema_` if the schema has been
+   * deleted.
+   * 
        
+   *
+   * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The schema.
+   */
+  java.lang.String getSchema();
+  /**
+   * 
        +   * Required. The name of the schema that messages published should be
+   * validated against. Format is `projects/{project}/schemas/{schema}`. The
+   * value of this field will be `_deleted-schema_` if the schema has been
+   * deleted.
+   * 
        
+   *
+   * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
+   * @return The bytes for schema.
+   */
+  com.google.protobuf.ByteString
+      getSchemaBytes();
+
+  /**
+   * 
        +   * Optional. The encoding of messages validated against `schema`.
+   * 
        
+   *
+   * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The enum numeric value on the wire for encoding.
+   */
+  int getEncodingValue();
+  /**
+   * 
        +   * Optional. The encoding of messages validated against `schema`.
+   * 
        
+   *
+   * .google.pubsub.v1.Encoding encoding = 2 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The encoding.
+   */
+  com.google.pubsub.v1.Encoding getEncoding();
+
+  /**
+   * 
        +   * Optional. The minimum (inclusive) revision allowed for validating messages.
+   * If empty or not present, allow any revision to be validated against
+   * last_revision or any revision created before.
+   * 
        
+   *
+   * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The firstRevisionId.
+   */
+  java.lang.String getFirstRevisionId();
+  /**
+   * 
        +   * Optional. The minimum (inclusive) revision allowed for validating messages.
+   * If empty or not present, allow any revision to be validated against
+   * last_revision or any revision created before.
+   * 
        
+   *
+   * string first_revision_id = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for firstRevisionId.
+   */
+  com.google.protobuf.ByteString
+      getFirstRevisionIdBytes();
+
+  /**
+   * 
        +   * Optional. The maximum (inclusive) revision allowed for validating messages.
+   * If empty or not present, allow any revision to be validated against
+   * first_revision or any revision created after.
+   * 
        
+   *
+   * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The lastRevisionId.
+   */
+  java.lang.String getLastRevisionId();
+  /**
+   * 
        +   * Optional. The maximum (inclusive) revision allowed for validating messages.
+   * If empty or not present, allow any revision to be validated against
+   * first_revision or any revision created after.
+   * 
        
+   *
+   * string last_revision_id = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The bytes for lastRevisionId.
+   */
+  com.google.protobuf.ByteString
+      getLastRevisionIdBytes();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaView.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaView.java
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaView.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaView.java
index 80ca623eb..67441a0c8 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaView.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaView.java
@@ -1,36 +1,18 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * View of Schema object fields to be returned by GetSchema and ListSchemas.
  * 
        
  *
  * Protobuf enum {@code google.pubsub.v1.SchemaView}
  */
-public enum SchemaView implements com.google.protobuf.ProtocolMessageEnum {
+public enum SchemaView
+    implements com.google.protobuf.ProtocolMessageEnum {
   /**
-   *
-   *
    * 
            * The default / unset value.
    * The API will default to the BASIC view.
@@ -40,8 +22,6 @@ public enum SchemaView implements com.google.protobuf.ProtocolMessageEnum {
    */
   SCHEMA_VIEW_UNSPECIFIED(0),
   /**
-   *
-   *
    * 
            * Include the name and type of the schema, but not the definition.
    * 
        
@@ -50,8 +30,6 @@ public enum SchemaView implements com.google.protobuf.ProtocolMessageEnum {
    */
   BASIC(1),
   /**
-   *
-   *
    * 
            * Include all Schema object fields.
    * 
        
@@ -63,8 +41,6 @@ public enum SchemaView implements com.google.protobuf.ProtocolMessageEnum {
   ;
 
   /**
-   *
-   *
    * 
            * The default / unset value.
    * The API will default to the BASIC view.
@@ -74,8 +50,6 @@ public enum SchemaView implements com.google.protobuf.ProtocolMessageEnum {
    */
   public static final int SCHEMA_VIEW_UNSPECIFIED_VALUE = 0;
   /**
-   *
-   *
    * 
            * Include the name and type of the schema, but not the definition.
    * 
        
@@ -84,8 +58,6 @@ public enum SchemaView implements com.google.protobuf.ProtocolMessageEnum {
    */
   public static final int BASIC_VALUE = 1;
   /**
-   *
-   *
    * 
            * Include all Schema object fields.
    * 
        
@@ -94,6 +66,7 @@ public enum SchemaView implements com.google.protobuf.ProtocolMessageEnum {
    */
   public static final int FULL_VALUE = 2;
 
+
   public final int getNumber() {
     if (this == UNRECOGNIZED) {
       throw new java.lang.IllegalArgumentException(
@@ -118,49 +91,49 @@ public static SchemaView valueOf(int value) {
    */
   public static SchemaView forNumber(int value) {
     switch (value) {
-      case 0:
-        return SCHEMA_VIEW_UNSPECIFIED;
-      case 1:
-        return BASIC;
-      case 2:
-        return FULL;
-      default:
-        return null;
+      case 0: return SCHEMA_VIEW_UNSPECIFIED;
+      case 1: return BASIC;
+      case 2: return FULL;
+      default: return null;
     }
   }
 
-  public static com.google.protobuf.Internal.EnumLiteMap internalGetValueMap() {
+  public static com.google.protobuf.Internal.EnumLiteMap
+      internalGetValueMap() {
     return internalValueMap;
   }
-
-  private static final com.google.protobuf.Internal.EnumLiteMap internalValueMap =
-      new com.google.protobuf.Internal.EnumLiteMap() {
-        public SchemaView findValueByNumber(int number) {
-          return SchemaView.forNumber(number);
-        }
-      };
-
-  public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+  private static final com.google.protobuf.Internal.EnumLiteMap<
+      SchemaView> internalValueMap =
+        new com.google.protobuf.Internal.EnumLiteMap() {
+          public SchemaView findValueByNumber(int number) {
+            return SchemaView.forNumber(number);
+          }
+        };
+
+  public final com.google.protobuf.Descriptors.EnumValueDescriptor
+      getValueDescriptor() {
     if (this == UNRECOGNIZED) {
       throw new java.lang.IllegalStateException(
           "Can't get the descriptor of an unrecognized enum value.");
     }
     return getDescriptor().getValues().get(ordinal());
   }
-
-  public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+  public final com.google.protobuf.Descriptors.EnumDescriptor
+      getDescriptorForType() {
     return getDescriptor();
   }
-
-  public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.EnumDescriptor
+      getDescriptor() {
     return com.google.pubsub.v1.SchemaProto.getDescriptor().getEnumTypes().get(0);
   }
 
   private static final SchemaView[] VALUES = values();
 
-  public static SchemaView valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+  public static SchemaView valueOf(
+      com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
     if (desc.getType() != getDescriptor()) {
-      throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+      throw new java.lang.IllegalArgumentException(
+        "EnumValueDescriptor is not for this type.");
     }
     if (desc.getIndex() == -1) {
       return UNRECOGNIZED;
@@ -176,3 +149,4 @@ private SchemaView(int value) {
 
   // @@protoc_insertion_point(enum_scope:google.pubsub.v1.SchemaView)
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequest.java
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequest.java
index b79479a58..1f9483940 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequest.java
@@ -1,79 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `Seek` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.SeekRequest}
  */
-public final class SeekRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class SeekRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.SeekRequest)
     SeekRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use SeekRequest.newBuilder() to construct.
   private SeekRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private SeekRequest() {
     subscription_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new SeekRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
     return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_SeekRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
             com.google.pubsub.v1.SeekRequest.class, com.google.pubsub.v1.SeekRequest.Builder.class);
   }
 
   private int targetCase_ = 0;
-
   @SuppressWarnings("serial")
   private java.lang.Object target_;
-
   public enum TargetCase
-      implements
-          com.google.protobuf.Internal.EnumLite,
+      implements com.google.protobuf.Internal.EnumLite,
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     TIME(2),
     SNAPSHOT(3),
     TARGET_NOT_SET(0);
     private final int value;
-
     private TargetCase(int value) {
       this.value = value;
     }
@@ -89,41 +68,32 @@ public static TargetCase valueOf(int value) {
 
     public static TargetCase forNumber(int value) {
       switch (value) {
-        case 2:
-          return TIME;
-        case 3:
-          return SNAPSHOT;
-        case 0:
-          return TARGET_NOT_SET;
-        default:
-          return null;
+        case 2: return TIME;
+        case 3: return SNAPSHOT;
+        case 0: return TARGET_NOT_SET;
+        default: return null;
       }
     }
-
     public int getNumber() {
       return this.value;
     }
   };
 
-  public TargetCase getTargetCase() {
-    return TargetCase.forNumber(targetCase_);
+  public TargetCase
+  getTargetCase() {
+    return TargetCase.forNumber(
+        targetCase_);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The subscription to affect.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -132,31 +102,29 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The subscription to affect.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -166,10 +134,8 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
 
   public static final int TIME_FIELD_NUMBER = 2;
   /**
-   *
-   *
    * 
        -   * The time to seek to.
+   * Optional. The time to seek to.
    * Messages retained in the subscription that were published before this
    * time are marked as acknowledged, and messages retained in the
    * subscription that were published after this time are marked as
@@ -182,8 +148,7 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
    * and already-expunged messages will not be restored.
    * 
        
    *
-   * .google.protobuf.Timestamp time = 2;
-   *
+   * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the time field is set.
    */
   @java.lang.Override
@@ -191,10 +156,8 @@ public boolean hasTime() {
     return targetCase_ == 2;
   }
   /**
-   *
-   *
    * 
        -   * The time to seek to.
+   * Optional. The time to seek to.
    * Messages retained in the subscription that were published before this
    * time are marked as acknowledged, and messages retained in the
    * subscription that were published after this time are marked as
@@ -207,22 +170,19 @@ public boolean hasTime() {
    * and already-expunged messages will not be restored.
    * 
        
    *
-   * .google.protobuf.Timestamp time = 2;
-   *
+   * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The time.
    */
   @java.lang.Override
   public com.google.protobuf.Timestamp getTime() {
     if (targetCase_ == 2) {
-      return (com.google.protobuf.Timestamp) target_;
+       return (com.google.protobuf.Timestamp) target_;
     }
     return com.google.protobuf.Timestamp.getDefaultInstance();
   }
   /**
-   *
-   *
    * 
        -   * The time to seek to.
+   * Optional. The time to seek to.
    * Messages retained in the subscription that were published before this
    * time are marked as acknowledged, and messages retained in the
    * subscription that were published after this time are marked as
@@ -235,44 +195,38 @@ public com.google.protobuf.Timestamp getTime() {
    * and already-expunged messages will not be restored.
    * 
        
    *
-   * .google.protobuf.Timestamp time = 2;
+   * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.protobuf.TimestampOrBuilder getTimeOrBuilder() {
     if (targetCase_ == 2) {
-      return (com.google.protobuf.Timestamp) target_;
+       return (com.google.protobuf.Timestamp) target_;
     }
     return com.google.protobuf.Timestamp.getDefaultInstance();
   }
 
   public static final int SNAPSHOT_FIELD_NUMBER = 3;
   /**
-   *
-   *
    * 
        -   * The snapshot to seek to. The snapshot's topic must be the same as that of
-   * the provided subscription.
-   * Format is `projects/{project}/snapshots/{snap}`.
+   * Optional. The snapshot to seek to. The snapshot's topic must be the same
+   * as that of the provided subscription. Format is
+   * `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-   *
+   * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return Whether the snapshot field is set.
    */
   public boolean hasSnapshot() {
     return targetCase_ == 3;
   }
   /**
-   *
-   *
    * 
        -   * The snapshot to seek to. The snapshot's topic must be the same as that of
-   * the provided subscription.
-   * Format is `projects/{project}/snapshots/{snap}`.
+   * Optional. The snapshot to seek to. The snapshot's topic must be the same
+   * as that of the provided subscription. Format is
+   * `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-   *
+   * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The snapshot.
    */
   public java.lang.String getSnapshot() {
@@ -283,7 +237,8 @@ public java.lang.String getSnapshot() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       if (targetCase_ == 3) {
         target_ = s;
@@ -292,26 +247,25 @@ public java.lang.String getSnapshot() {
     }
   }
   /**
-   *
-   *
    * 
        -   * The snapshot to seek to. The snapshot's topic must be the same as that of
-   * the provided subscription.
-   * Format is `projects/{project}/snapshots/{snap}`.
+   * Optional. The snapshot to seek to. The snapshot's topic must be the same
+   * as that of the provided subscription. Format is
+   * `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-   *
+   * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The bytes for snapshot.
    */
-  public com.google.protobuf.ByteString getSnapshotBytes() {
+  public com.google.protobuf.ByteString
+      getSnapshotBytes() {
     java.lang.Object ref = "";
     if (targetCase_ == 3) {
       ref = target_;
     }
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       if (targetCase_ == 3) {
         target_ = b;
       }
@@ -322,7 +276,6 @@ public com.google.protobuf.ByteString getSnapshotBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -334,7 +287,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
     }
@@ -357,9 +311,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, subscription_);
     }
     if (targetCase_ == 2) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              2, (com.google.protobuf.Timestamp) target_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, (com.google.protobuf.Timestamp) target_);
     }
     if (targetCase_ == 3) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, target_);
@@ -372,21 +325,24 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.SeekRequest)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.SeekRequest other = (com.google.pubsub.v1.SeekRequest) obj;
 
-    if (!getSubscription().equals(other.getSubscription())) return false;
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
     if (!getTargetCase().equals(other.getTargetCase())) return false;
     switch (targetCase_) {
       case 2:
-        if (!getTime().equals(other.getTime())) return false;
+        if (!getTime()
+            .equals(other.getTime())) return false;
         break;
       case 3:
-        if (!getSnapshot().equals(other.getSnapshot())) return false;
+        if (!getSnapshot()
+            .equals(other.getSnapshot())) return false;
         break;
       case 0:
       default:
@@ -421,135 +377,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.SeekRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.SeekRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SeekRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.SeekRequest parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.SeekRequest parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SeekRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SeekRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SeekRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SeekRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.SeekRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.SeekRequest parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.SeekRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SeekRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.SeekRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.SeekRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `Seek` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.SeekRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.SeekRequest)
       com.google.pubsub.v1.SeekRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SeekRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SeekRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.SeekRequest.class,
-              com.google.pubsub.v1.SeekRequest.Builder.class);
+              com.google.pubsub.v1.SeekRequest.class, com.google.pubsub.v1.SeekRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.SeekRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -564,9 +517,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SeekRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekRequest_descriptor;
     }
 
     @java.lang.Override
@@ -586,9 +539,7 @@ public com.google.pubsub.v1.SeekRequest build() {
     @java.lang.Override
     public com.google.pubsub.v1.SeekRequest buildPartial() {
       com.google.pubsub.v1.SeekRequest result = new com.google.pubsub.v1.SeekRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       buildPartialOneofs(result);
       onBuilt();
       return result;
@@ -604,7 +555,8 @@ private void buildPartial0(com.google.pubsub.v1.SeekRequest result) {
     private void buildPartialOneofs(com.google.pubsub.v1.SeekRequest result) {
       result.targetCase_ = targetCase_;
       result.target_ = this.target_;
-      if (targetCase_ == 2 && timeBuilder_ != null) {
+      if (targetCase_ == 2 &&
+          timeBuilder_ != null) {
         result.target_ = timeBuilder_.build();
       }
     }
@@ -613,39 +565,38 @@ private void buildPartialOneofs(com.google.pubsub.v1.SeekRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.SeekRequest) {
-        return mergeFrom((com.google.pubsub.v1.SeekRequest) other);
+        return mergeFrom((com.google.pubsub.v1.SeekRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -660,22 +611,19 @@ public Builder mergeFrom(com.google.pubsub.v1.SeekRequest other) {
         onChanged();
       }
       switch (other.getTargetCase()) {
-        case TIME:
-          {
-            mergeTime(other.getTime());
-            break;
-          }
-        case SNAPSHOT:
-          {
-            targetCase_ = 3;
-            target_ = other.target_;
-            onChanged();
-            break;
-          }
-        case TARGET_NOT_SET:
-          {
-            break;
-          }
+        case TIME: {
+          mergeTime(other.getTime());
+          break;
+        }
+        case SNAPSHOT: {
+          targetCase_ = 3;
+          target_ = other.target_;
+          onChanged();
+          break;
+        }
+        case TARGET_NOT_SET: {
+          break;
+        }
       }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
@@ -703,32 +651,30 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getTimeFieldBuilder().getBuilder(), extensionRegistry);
-                targetCase_ = 2;
-                break;
-              } // case 18
-            case 26:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                targetCase_ = 3;
-                target_ = s;
-                break;
-              } // case 26
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getTimeFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              targetCase_ = 2;
+              break;
+            } // case 18
+            case 26: {
+              java.lang.String s = input.readStringRequireUtf8();
+              targetCase_ = 3;
+              target_ = s;
+              break;
+            } // case 26
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -738,12 +684,12 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int targetCase_ = 0;
     private java.lang.Object target_;
-
-    public TargetCase getTargetCase() {
-      return TargetCase.forNumber(targetCase_);
+    public TargetCase
+        getTargetCase() {
+      return TargetCase.forNumber(
+          targetCase_);
     }
 
     public Builder clearTarget() {
@@ -757,22 +703,18 @@ public Builder clearTarget() {
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The subscription to affect.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -781,23 +723,20 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to affect.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -805,39 +744,28 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to affect.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to affect.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -847,23 +775,17 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription to affect.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
@@ -872,15 +794,10 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        timeBuilder_;
+        com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder> timeBuilder_;
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -893,8 +810,7 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
-     *
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the time field is set.
      */
     @java.lang.Override
@@ -902,10 +818,8 @@ public boolean hasTime() {
       return targetCase_ == 2;
     }
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -918,8 +832,7 @@ public boolean hasTime() {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
-     *
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The time.
      */
     @java.lang.Override
@@ -937,10 +850,8 @@ public com.google.protobuf.Timestamp getTime() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -953,7 +864,7 @@ public com.google.protobuf.Timestamp getTime() {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setTime(com.google.protobuf.Timestamp value) {
       if (timeBuilder_ == null) {
@@ -969,10 +880,8 @@ public Builder setTime(com.google.protobuf.Timestamp value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -985,9 +894,10 @@ public Builder setTime(com.google.protobuf.Timestamp value) {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+    public Builder setTime(
+        com.google.protobuf.Timestamp.Builder builderForValue) {
       if (timeBuilder_ == null) {
         target_ = builderForValue.build();
         onChanged();
@@ -998,10 +908,8 @@ public Builder setTime(com.google.protobuf.Timestamp.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -1014,15 +922,14 @@ public Builder setTime(com.google.protobuf.Timestamp.Builder builderForValue) {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeTime(com.google.protobuf.Timestamp value) {
       if (timeBuilder_ == null) {
-        if (targetCase_ == 2 && target_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
-          target_ =
-              com.google.protobuf.Timestamp.newBuilder((com.google.protobuf.Timestamp) target_)
-                  .mergeFrom(value)
-                  .buildPartial();
+        if (targetCase_ == 2 &&
+            target_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+          target_ = com.google.protobuf.Timestamp.newBuilder((com.google.protobuf.Timestamp) target_)
+              .mergeFrom(value).buildPartial();
         } else {
           target_ = value;
         }
@@ -1038,10 +945,8 @@ public Builder mergeTime(com.google.protobuf.Timestamp value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -1054,7 +959,7 @@ public Builder mergeTime(com.google.protobuf.Timestamp value) {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearTime() {
       if (timeBuilder_ == null) {
@@ -1073,10 +978,8 @@ public Builder clearTime() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -1089,16 +992,14 @@ public Builder clearTime() {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.Timestamp.Builder getTimeBuilder() {
       return getTimeFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -1111,7 +1012,7 @@ public com.google.protobuf.Timestamp.Builder getTimeBuilder() {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public com.google.protobuf.TimestampOrBuilder getTimeOrBuilder() {
@@ -1125,10 +1026,8 @@ public com.google.protobuf.TimestampOrBuilder getTimeOrBuilder() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The time to seek to.
+     * Optional. The time to seek to.
      * Messages retained in the subscription that were published before this
      * time are marked as acknowledged, and messages retained in the
      * subscription that were published after this time are marked as
@@ -1141,23 +1040,20 @@ public com.google.protobuf.TimestampOrBuilder getTimeOrBuilder() {
      * and already-expunged messages will not be restored.
      * 
        
      *
-     * .google.protobuf.Timestamp time = 2;
+     * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
+        com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder> 
         getTimeFieldBuilder() {
       if (timeBuilder_ == null) {
         if (!(targetCase_ == 2)) {
           target_ = com.google.protobuf.Timestamp.getDefaultInstance();
         }
-        timeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Timestamp,
-                com.google.protobuf.Timestamp.Builder,
-                com.google.protobuf.TimestampOrBuilder>(
-                (com.google.protobuf.Timestamp) target_, getParentForChildren(), isClean());
+        timeBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder>(
+                (com.google.protobuf.Timestamp) target_,
+                getParentForChildren(),
+                isClean());
         target_ = null;
       }
       targetCase_ = 2;
@@ -1166,16 +1062,13 @@ public com.google.protobuf.TimestampOrBuilder getTimeOrBuilder() {
     }
 
     /**
-     *
-     *
      * 
        -     * The snapshot to seek to. The snapshot's topic must be the same as that of
-     * the provided subscription.
-     * Format is `projects/{project}/snapshots/{snap}`.
+     * Optional. The snapshot to seek to. The snapshot's topic must be the same
+     * as that of the provided subscription. Format is
+     * `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-     *
+     * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return Whether the snapshot field is set.
      */
     @java.lang.Override
@@ -1183,16 +1076,13 @@ public boolean hasSnapshot() {
       return targetCase_ == 3;
     }
     /**
-     *
-     *
      * 
        -     * The snapshot to seek to. The snapshot's topic must be the same as that of
-     * the provided subscription.
-     * Format is `projects/{project}/snapshots/{snap}`.
+     * Optional. The snapshot to seek to. The snapshot's topic must be the same
+     * as that of the provided subscription. Format is
+     * `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-     *
+     * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return The snapshot.
      */
     @java.lang.Override
@@ -1202,7 +1092,8 @@ public java.lang.String getSnapshot() {
         ref = target_;
       }
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         if (targetCase_ == 3) {
           target_ = s;
@@ -1213,27 +1104,26 @@ public java.lang.String getSnapshot() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The snapshot to seek to. The snapshot's topic must be the same as that of
-     * the provided subscription.
-     * Format is `projects/{project}/snapshots/{snap}`.
+     * Optional. The snapshot to seek to. The snapshot's topic must be the same
+     * as that of the provided subscription. Format is
+     * `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-     *
+     * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return The bytes for snapshot.
      */
     @java.lang.Override
-    public com.google.protobuf.ByteString getSnapshotBytes() {
+    public com.google.protobuf.ByteString
+        getSnapshotBytes() {
       java.lang.Object ref = "";
       if (targetCase_ == 3) {
         ref = target_;
       }
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         if (targetCase_ == 3) {
           target_ = b;
         }
@@ -1243,39 +1133,32 @@ public com.google.protobuf.ByteString getSnapshotBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The snapshot to seek to. The snapshot's topic must be the same as that of
-     * the provided subscription.
-     * Format is `projects/{project}/snapshots/{snap}`.
+     * Optional. The snapshot to seek to. The snapshot's topic must be the same
+     * as that of the provided subscription. Format is
+     * `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-     *
+     * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param value The snapshot to set.
      * @return This builder for chaining.
      */
-    public Builder setSnapshot(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSnapshot(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       targetCase_ = 3;
       target_ = value;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The snapshot to seek to. The snapshot's topic must be the same as that of
-     * the provided subscription.
-     * Format is `projects/{project}/snapshots/{snap}`.
+     * Optional. The snapshot to seek to. The snapshot's topic must be the same
+     * as that of the provided subscription. Format is
+     * `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-     *
+     * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSnapshot() {
@@ -1287,32 +1170,28 @@ public Builder clearSnapshot() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The snapshot to seek to. The snapshot's topic must be the same as that of
-     * the provided subscription.
-     * Format is `projects/{project}/snapshots/{snap}`.
+     * Optional. The snapshot to seek to. The snapshot's topic must be the same
+     * as that of the provided subscription. Format is
+     * `projects/{project}/snapshots/{snap}`.
      * 
        
      *
-     * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-     *
+     * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param value The bytes for snapshot to set.
      * @return This builder for chaining.
      */
-    public Builder setSnapshotBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSnapshotBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       targetCase_ = 3;
       target_ = value;
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1322,12 +1201,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.SeekRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.SeekRequest)
   private static final com.google.pubsub.v1.SeekRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.SeekRequest();
   }
@@ -1336,27 +1215,27 @@ public static com.google.pubsub.v1.SeekRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public SeekRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public SeekRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1371,4 +1250,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.SeekRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequestOrBuilder.java
similarity index 60%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequestOrBuilder.java
index 8dba1d96c..10d8b86ae 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekRequestOrBuilder.java
@@ -1,62 +1,35 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface SeekRequestOrBuilder
-    extends
+public interface SeekRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.SeekRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The subscription to affect.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   java.lang.String getSubscription();
   /**
-   *
-   *
    * 
            * Required. The subscription to affect.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
-  com.google.protobuf.ByteString getSubscriptionBytes();
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
 
   /**
-   *
-   *
    * 
        -   * The time to seek to.
+   * Optional. The time to seek to.
    * Messages retained in the subscription that were published before this
    * time are marked as acknowledged, and messages retained in the
    * subscription that were published after this time are marked as
@@ -69,16 +42,13 @@ public interface SeekRequestOrBuilder
    * and already-expunged messages will not be restored.
    * 
        
    *
-   * .google.protobuf.Timestamp time = 2;
-   *
+   * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the time field is set.
    */
   boolean hasTime();
   /**
-   *
-   *
    * 
        -   * The time to seek to.
+   * Optional. The time to seek to.
    * Messages retained in the subscription that were published before this
    * time are marked as acknowledged, and messages retained in the
    * subscription that were published after this time are marked as
@@ -91,16 +61,13 @@ public interface SeekRequestOrBuilder
    * and already-expunged messages will not be restored.
    * 
        
    *
-   * .google.protobuf.Timestamp time = 2;
-   *
+   * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The time.
    */
   com.google.protobuf.Timestamp getTime();
   /**
-   *
-   *
    * 
        -   * The time to seek to.
+   * Optional. The time to seek to.
    * Messages retained in the subscription that were published before this
    * time are marked as acknowledged, and messages retained in the
    * subscription that were published after this time are marked as
@@ -113,52 +80,44 @@ public interface SeekRequestOrBuilder
    * and already-expunged messages will not be restored.
    * 
        
    *
-   * .google.protobuf.Timestamp time = 2;
+   * .google.protobuf.Timestamp time = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.protobuf.TimestampOrBuilder getTimeOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * The snapshot to seek to. The snapshot's topic must be the same as that of
-   * the provided subscription.
-   * Format is `projects/{project}/snapshots/{snap}`.
+   * Optional. The snapshot to seek to. The snapshot's topic must be the same
+   * as that of the provided subscription. Format is
+   * `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-   *
+   * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return Whether the snapshot field is set.
    */
   boolean hasSnapshot();
   /**
-   *
-   *
    * 
        -   * The snapshot to seek to. The snapshot's topic must be the same as that of
-   * the provided subscription.
-   * Format is `projects/{project}/snapshots/{snap}`.
+   * Optional. The snapshot to seek to. The snapshot's topic must be the same
+   * as that of the provided subscription. Format is
+   * `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-   *
+   * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The snapshot.
    */
   java.lang.String getSnapshot();
   /**
-   *
-   *
    * 
        -   * The snapshot to seek to. The snapshot's topic must be the same as that of
-   * the provided subscription.
-   * Format is `projects/{project}/snapshots/{snap}`.
+   * Optional. The snapshot to seek to. The snapshot's topic must be the same
+   * as that of the provided subscription. Format is
+   * `projects/{project}/snapshots/{snap}`.
    * 
        
    *
-   * string snapshot = 3 [(.google.api.resource_reference) = { ... }
-   *
+   * string snapshot = 3 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The bytes for snapshot.
    */
-  com.google.protobuf.ByteString getSnapshotBytes();
+  com.google.protobuf.ByteString
+      getSnapshotBytes();
 
   com.google.pubsub.v1.SeekRequest.TargetCase getTargetCase();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponse.java
similarity index 61%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponse.java
index de422ae44..18fda27ae 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponse.java
@@ -1,67 +1,48 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `Seek` method (this response is empty).
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.SeekResponse}
  */
-public final class SeekResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class SeekResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.SeekResponse)
     SeekResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use SeekResponse.newBuilder() to construct.
   private SeekResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private SeekResponse() {}
+  private SeekResponse() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new SeekResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_SeekResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_SeekResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.SeekResponse.class,
-            com.google.pubsub.v1.SeekResponse.Builder.class);
+            com.google.pubsub.v1.SeekResponse.class, com.google.pubsub.v1.SeekResponse.Builder.class);
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -73,7 +54,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     getUnknownFields().writeTo(output);
   }
 
@@ -91,7 +73,7 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.SeekResponse)) {
       return super.equals(obj);
@@ -114,135 +96,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.SeekResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.SeekResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SeekResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.SeekResponse parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.SeekResponse parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SeekResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SeekResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.SeekResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SeekResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.SeekResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.SeekResponse parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.SeekResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.SeekResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.SeekResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.SeekResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `Seek` method (this response is empty).
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.SeekResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.SeekResponse)
       com.google.pubsub.v1.SeekResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SeekResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SeekResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.SeekResponse.class,
-              com.google.pubsub.v1.SeekResponse.Builder.class);
+              com.google.pubsub.v1.SeekResponse.class, com.google.pubsub.v1.SeekResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.SeekResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -250,9 +229,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_SeekResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_SeekResponse_descriptor;
     }
 
     @java.lang.Override
@@ -280,39 +259,38 @@ public com.google.pubsub.v1.SeekResponse buildPartial() {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.SeekResponse) {
-        return mergeFrom((com.google.pubsub.v1.SeekResponse) other);
+        return mergeFrom((com.google.pubsub.v1.SeekResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -347,13 +325,12 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -363,9 +340,9 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -375,12 +352,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.SeekResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.SeekResponse)
   private static final com.google.pubsub.v1.SeekResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.SeekResponse();
   }
@@ -389,27 +366,27 @@ public static com.google.pubsub.v1.SeekResponse getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public SeekResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public SeekResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -424,4 +401,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.SeekResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponseOrBuilder.java
new file mode 100644
index 000000000..df6f6dd5c
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponseOrBuilder.java
@@ -0,0 +1,9 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface SeekResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.SeekResponse)
+    com.google.protobuf.MessageOrBuilder {
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Snapshot.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Snapshot.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Snapshot.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Snapshot.java
index 38ace4dc7..5add6579b 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Snapshot.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Snapshot.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * A snapshot resource. Snapshots are used in
  * [Seek](https://cloud.google.com/pubsub/docs/replay-overview)
@@ -31,16 +14,15 @@
  *
  * Protobuf type {@code google.pubsub.v1.Snapshot}
  */
-public final class Snapshot extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class Snapshot extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.Snapshot)
     SnapshotOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use Snapshot.newBuilder() to construct.
   private Snapshot(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private Snapshot() {
     name_ = "";
     topic_ = "";
@@ -48,47 +30,45 @@ private Snapshot() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new Snapshot();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
     return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Snapshot_descriptor;
   }
 
   @SuppressWarnings({"rawtypes"})
   @java.lang.Override
-  protected com.google.protobuf.MapField internalGetMapField(int number) {
+  protected com.google.protobuf.MapField internalGetMapField(
+      int number) {
     switch (number) {
       case 4:
         return internalGetLabels();
       default:
-        throw new RuntimeException("Invalid map field number: " + number);
+        throw new RuntimeException(
+            "Invalid map field number: " + number);
     }
   }
-
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_Snapshot_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Snapshot_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
             com.google.pubsub.v1.Snapshot.class, com.google.pubsub.v1.Snapshot.Builder.class);
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
        -   * The name of the snapshot.
+   * Optional. The name of the snapshot.
    * 
        
    *
-   * string name = 1;
-   *
+   * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The name.
    */
   @java.lang.Override
@@ -97,29 +77,29 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The name of the snapshot.
+   * Optional. The name of the snapshot.
    * 
        
    *
-   * string name = 1;
-   *
+   * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -128,18 +108,15 @@ public com.google.protobuf.ByteString getNameBytes() {
   }
 
   public static final int TOPIC_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object topic_ = "";
   /**
-   *
-   *
    * 
        -   * The name of the topic from which this snapshot is retaining messages.
+   * Optional. The name of the topic from which this snapshot is retaining
+   * messages.
    * 
        
    *
-   * string topic = 2 [(.google.api.resource_reference) = { ... }
-   *
+   * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   @java.lang.Override
@@ -148,29 +125,30 @@ public java.lang.String getTopic() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       topic_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The name of the topic from which this snapshot is retaining messages.
+   * Optional. The name of the topic from which this snapshot is retaining
+   * messages.
    * 
        
    *
-   * string topic = 2 [(.google.api.resource_reference) = { ... }
-   *
+   * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getTopicBytes() {
+  public com.google.protobuf.ByteString
+      getTopicBytes() {
     java.lang.Object ref = topic_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       topic_ = b;
       return b;
     } else {
@@ -181,10 +159,8 @@ public com.google.protobuf.ByteString getTopicBytes() {
   public static final int EXPIRE_TIME_FIELD_NUMBER = 3;
   private com.google.protobuf.Timestamp expireTime_;
   /**
-   *
-   *
    * 
        -   * The snapshot is guaranteed to exist up until this time.
+   * Optional. The snapshot is guaranteed to exist up until this time.
    * A newly-created snapshot expires no later than 7 days from the time of its
    * creation. Its exact lifetime is determined at creation by the existing
    * backlog in the source subscription. Specifically, the lifetime of the
@@ -196,8 +172,7 @@ public com.google.protobuf.ByteString getTopicBytes() {
    * snapshot that would expire in less than 1 hour after creation.
    * 
        
    *
-   * .google.protobuf.Timestamp expire_time = 3;
-   *
+   * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the expireTime field is set.
    */
   @java.lang.Override
@@ -205,10 +180,8 @@ public boolean hasExpireTime() {
     return expireTime_ != null;
   }
   /**
-   *
-   *
    * 
        -   * The snapshot is guaranteed to exist up until this time.
+   * Optional. The snapshot is guaranteed to exist up until this time.
    * A newly-created snapshot expires no later than 7 days from the time of its
    * creation. Its exact lifetime is determined at creation by the existing
    * backlog in the source subscription. Specifically, the lifetime of the
@@ -220,8 +193,7 @@ public boolean hasExpireTime() {
    * snapshot that would expire in less than 1 hour after creation.
    * 
        
    *
-   * .google.protobuf.Timestamp expire_time = 3;
-   *
+   * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The expireTime.
    */
   @java.lang.Override
@@ -229,10 +201,8 @@ public com.google.protobuf.Timestamp getExpireTime() {
     return expireTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : expireTime_;
   }
   /**
-   *
-   *
    * 
        -   * The snapshot is guaranteed to exist up until this time.
+   * Optional. The snapshot is guaranteed to exist up until this time.
    * A newly-created snapshot expires no later than 7 days from the time of its
    * creation. Its exact lifetime is determined at creation by the existing
    * backlog in the source subscription. Specifically, the lifetime of the
@@ -244,7 +214,7 @@ public com.google.protobuf.Timestamp getExpireTime() {
    * snapshot that would expire in less than 1 hour after creation.
    * 
        
    *
-   * .google.protobuf.Timestamp expire_time = 3;
+   * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder() {
@@ -252,105 +222,98 @@ public com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder() {
   }
 
   public static final int LABELS_FIELD_NUMBER = 4;
-
   private static final class LabelsDefaultEntryHolder {
-    static final com.google.protobuf.MapEntry defaultEntry =
-        com.google.protobuf.MapEntry.newDefaultInstance(
-            com.google.pubsub.v1.PubsubProto
-                .internal_static_google_pubsub_v1_Snapshot_LabelsEntry_descriptor,
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "",
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "");
+    static final com.google.protobuf.MapEntry<
+        java.lang.String, java.lang.String> defaultEntry =
+            com.google.protobuf.MapEntry
+            .newDefaultInstance(
+                com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Snapshot_LabelsEntry_descriptor, 
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "",
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "");
   }
-
   @SuppressWarnings("serial")
-  private com.google.protobuf.MapField labels_;
-
-  private com.google.protobuf.MapField internalGetLabels() {
+  private com.google.protobuf.MapField<
+      java.lang.String, java.lang.String> labels_;
+  private com.google.protobuf.MapField
+  internalGetLabels() {
     if (labels_ == null) {
-      return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+      return com.google.protobuf.MapField.emptyMapField(
+          LabelsDefaultEntryHolder.defaultEntry);
     }
     return labels_;
   }
-
   public int getLabelsCount() {
     return internalGetLabels().getMap().size();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public boolean containsLabels(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
+  public boolean containsLabels(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
     return internalGetLabels().getMap().containsKey(key);
   }
-  /** Use {@link #getLabelsMap()} instead. */
+  /**
+   * Use {@link #getLabelsMap()} instead.
+   */
   @java.lang.Override
   @java.lang.Deprecated
   public java.util.Map getLabels() {
     return getLabelsMap();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.Map getLabelsMap() {
     return internalGetLabels().getMap();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public /* nullable */ java.lang.String getLabelsOrDefault(
+  public /* nullable */
+java.lang.String getLabelsOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetLabels().getMap();
+java.lang.String defaultValue) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetLabels().getMap();
     return map.containsKey(key) ? map.get(key) : defaultValue;
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.lang.String getLabelsOrThrow(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetLabels().getMap();
+  public java.lang.String getLabelsOrThrow(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetLabels().getMap();
     if (!map.containsKey(key)) {
       throw new java.lang.IllegalArgumentException();
     }
@@ -358,7 +321,6 @@ public java.lang.String getLabelsOrThrow(java.lang.String key) {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -370,7 +332,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -380,8 +343,12 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (expireTime_ != null) {
       output.writeMessage(3, getExpireTime());
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
-        output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 4);
+    com.google.protobuf.GeneratedMessageV3
+      .serializeStringMapTo(
+        output,
+        internalGetLabels(),
+        LabelsDefaultEntryHolder.defaultEntry,
+        4);
     getUnknownFields().writeTo(output);
   }
 
@@ -398,17 +365,18 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, topic_);
     }
     if (expireTime_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(3, getExpireTime());
-    }
-    for (java.util.Map.Entry entry :
-        internalGetLabels().getMap().entrySet()) {
-      com.google.protobuf.MapEntry labels__ =
-          LabelsDefaultEntryHolder.defaultEntry
-              .newBuilderForType()
-              .setKey(entry.getKey())
-              .setValue(entry.getValue())
-              .build();
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, labels__);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(3, getExpireTime());
+    }
+    for (java.util.Map.Entry entry
+         : internalGetLabels().getMap().entrySet()) {
+      com.google.protobuf.MapEntry
+      labels__ = LabelsDefaultEntryHolder.defaultEntry.newBuilderForType()
+          .setKey(entry.getKey())
+          .setValue(entry.getValue())
+          .build();
+      size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(4, labels__);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -418,20 +386,24 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.Snapshot)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.Snapshot other = (com.google.pubsub.v1.Snapshot) obj;
 
-    if (!getName().equals(other.getName())) return false;
-    if (!getTopic().equals(other.getTopic())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
+    if (!getTopic()
+        .equals(other.getTopic())) return false;
     if (hasExpireTime() != other.hasExpireTime()) return false;
     if (hasExpireTime()) {
-      if (!getExpireTime().equals(other.getExpireTime())) return false;
+      if (!getExpireTime()
+          .equals(other.getExpireTime())) return false;
     }
-    if (!internalGetLabels().equals(other.internalGetLabels())) return false;
+    if (!internalGetLabels().equals(
+        other.internalGetLabels())) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -460,103 +432,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.Snapshot parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.Snapshot parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Snapshot parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.Snapshot parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.Snapshot parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Snapshot parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Snapshot parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Snapshot parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Snapshot parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.Snapshot parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.Snapshot parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.Snapshot parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.Snapshot parseFrom(com.google.protobuf.CodedInputStream input)
+  public static com.google.pubsub.v1.Snapshot parseFrom(
+      com.google.protobuf.CodedInputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.Snapshot parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.Snapshot prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * A snapshot resource. Snapshots are used in
    * [Seek](https://cloud.google.com/pubsub/docs/replay-overview)
@@ -567,50 +535,55 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.Snapshot}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.Snapshot)
       com.google.pubsub.v1.SnapshotOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
       return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Snapshot_descriptor;
     }
 
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMapField(
+        int number) {
       switch (number) {
         case 4:
           return internalGetLabels();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMutableMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMutableMapField(
+        int number) {
       switch (number) {
         case 4:
           return internalGetMutableLabels();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_Snapshot_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Snapshot_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
               com.google.pubsub.v1.Snapshot.class, com.google.pubsub.v1.Snapshot.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.Snapshot.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -627,7 +600,8 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
       return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Snapshot_descriptor;
     }
 
@@ -648,9 +622,7 @@ public com.google.pubsub.v1.Snapshot build() {
     @java.lang.Override
     public com.google.pubsub.v1.Snapshot buildPartial() {
       com.google.pubsub.v1.Snapshot result = new com.google.pubsub.v1.Snapshot(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -664,7 +636,9 @@ private void buildPartial0(com.google.pubsub.v1.Snapshot result) {
         result.topic_ = topic_;
       }
       if (((from_bitField0_ & 0x00000004) != 0)) {
-        result.expireTime_ = expireTimeBuilder_ == null ? expireTime_ : expireTimeBuilder_.build();
+        result.expireTime_ = expireTimeBuilder_ == null
+            ? expireTime_
+            : expireTimeBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000008) != 0)) {
         result.labels_ = internalGetLabels();
@@ -676,39 +650,38 @@ private void buildPartial0(com.google.pubsub.v1.Snapshot result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.Snapshot) {
-        return mergeFrom((com.google.pubsub.v1.Snapshot) other);
+        return mergeFrom((com.google.pubsub.v1.Snapshot)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -730,7 +703,8 @@ public Builder mergeFrom(com.google.pubsub.v1.Snapshot other) {
       if (other.hasExpireTime()) {
         mergeExpireTime(other.getExpireTime());
       }
-      internalGetMutableLabels().mergeFrom(other.internalGetLabels());
+      internalGetMutableLabels().mergeFrom(
+          other.internalGetLabels());
       bitField0_ |= 0x00000008;
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
@@ -758,43 +732,38 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                topic_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 26:
-              {
-                input.readMessage(getExpireTimeFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            case 34:
-              {
-                com.google.protobuf.MapEntry labels__ =
-                    input.readMessage(
-                        LabelsDefaultEntryHolder.defaultEntry.getParserForType(),
-                        extensionRegistry);
-                internalGetMutableLabels()
-                    .getMutableMap()
-                    .put(labels__.getKey(), labels__.getValue());
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 34
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              topic_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 26: {
+              input.readMessage(
+                  getExpireTimeFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            case 34: {
+              com.google.protobuf.MapEntry
+              labels__ = input.readMessage(
+                  LabelsDefaultEntryHolder.defaultEntry.getParserForType(), extensionRegistry);
+              internalGetMutableLabels().getMutableMap().put(
+                  labels__.getKey(), labels__.getValue());
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 34
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -804,25 +773,22 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
        -     * The name of the snapshot.
+     * Optional. The name of the snapshot.
      * 
        
      *
-     * string name = 1;
-     *
+     * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -831,21 +797,20 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The name of the snapshot.
+     * Optional. The name of the snapshot.
      * 
        
      *
-     * string name = 1;
-     *
+     * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -853,35 +818,28 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The name of the snapshot.
+     * Optional. The name of the snapshot.
      * 
        
      *
-     * string name = 1;
-     *
+     * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The name of the snapshot.
+     * Optional. The name of the snapshot.
      * 
        
      *
-     * string name = 1;
-     *
+     * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -891,21 +849,17 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The name of the snapshot.
+     * Optional. The name of the snapshot.
      * 
        
      *
-     * string name = 1;
-     *
+     * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -915,20 +869,19 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object topic_ = "";
     /**
-     *
-     *
      * 
        -     * The name of the topic from which this snapshot is retaining messages.
+     * Optional. The name of the topic from which this snapshot is retaining
+     * messages.
      * 
        
      *
-     * string topic = 2 [(.google.api.resource_reference) = { ... }
-     *
+     * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return The topic.
      */
     public java.lang.String getTopic() {
       java.lang.Object ref = topic_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         topic_ = s;
         return s;
@@ -937,21 +890,21 @@ public java.lang.String getTopic() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The name of the topic from which this snapshot is retaining messages.
+     * Optional. The name of the topic from which this snapshot is retaining
+     * messages.
      * 
        
      *
-     * string topic = 2 [(.google.api.resource_reference) = { ... }
-     *
+     * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return The bytes for topic.
      */
-    public com.google.protobuf.ByteString getTopicBytes() {
+    public com.google.protobuf.ByteString
+        getTopicBytes() {
       java.lang.Object ref = topic_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         topic_ = b;
         return b;
       } else {
@@ -959,35 +912,30 @@ public com.google.protobuf.ByteString getTopicBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The name of the topic from which this snapshot is retaining messages.
+     * Optional. The name of the topic from which this snapshot is retaining
+     * messages.
      * 
        
      *
-     * string topic = 2 [(.google.api.resource_reference) = { ... }
-     *
+     * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param value The topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopic(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopic(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       topic_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The name of the topic from which this snapshot is retaining messages.
+     * Optional. The name of the topic from which this snapshot is retaining
+     * messages.
      * 
        
      *
-     * string topic = 2 [(.google.api.resource_reference) = { ... }
-     *
+     * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearTopic() {
@@ -997,21 +945,18 @@ public Builder clearTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The name of the topic from which this snapshot is retaining messages.
+     * Optional. The name of the topic from which this snapshot is retaining
+     * messages.
      * 
        
      *
-     * string topic = 2 [(.google.api.resource_reference) = { ... }
-     *
+     * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
      * @param value The bytes for topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopicBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       topic_ = value;
       bitField0_ |= 0x00000002;
@@ -1021,15 +966,10 @@ public Builder setTopicBytes(com.google.protobuf.ByteString value) {
 
     private com.google.protobuf.Timestamp expireTime_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
-        expireTimeBuilder_;
+        com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder> expireTimeBuilder_;
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1041,18 +981,15 @@ public Builder setTopicBytes(com.google.protobuf.ByteString value) {
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
-     *
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the expireTime field is set.
      */
     public boolean hasExpireTime() {
       return ((bitField0_ & 0x00000004) != 0);
     }
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1064,24 +1001,19 @@ public boolean hasExpireTime() {
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
-     *
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The expireTime.
      */
     public com.google.protobuf.Timestamp getExpireTime() {
       if (expireTimeBuilder_ == null) {
-        return expireTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : expireTime_;
+        return expireTime_ == null ? com.google.protobuf.Timestamp.getDefaultInstance() : expireTime_;
       } else {
         return expireTimeBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1093,7 +1025,7 @@ public com.google.protobuf.Timestamp getExpireTime() {
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setExpireTime(com.google.protobuf.Timestamp value) {
       if (expireTimeBuilder_ == null) {
@@ -1109,10 +1041,8 @@ public Builder setExpireTime(com.google.protobuf.Timestamp value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1124,9 +1054,10 @@ public Builder setExpireTime(com.google.protobuf.Timestamp value) {
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setExpireTime(com.google.protobuf.Timestamp.Builder builderForValue) {
+    public Builder setExpireTime(
+        com.google.protobuf.Timestamp.Builder builderForValue) {
       if (expireTimeBuilder_ == null) {
         expireTime_ = builderForValue.build();
       } else {
@@ -1137,10 +1068,8 @@ public Builder setExpireTime(com.google.protobuf.Timestamp.Builder builderForVal
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1152,13 +1081,13 @@ public Builder setExpireTime(com.google.protobuf.Timestamp.Builder builderForVal
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeExpireTime(com.google.protobuf.Timestamp value) {
       if (expireTimeBuilder_ == null) {
-        if (((bitField0_ & 0x00000004) != 0)
-            && expireTime_ != null
-            && expireTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000004) != 0) &&
+          expireTime_ != null &&
+          expireTime_ != com.google.protobuf.Timestamp.getDefaultInstance()) {
           getExpireTimeBuilder().mergeFrom(value);
         } else {
           expireTime_ = value;
@@ -1171,10 +1100,8 @@ public Builder mergeExpireTime(com.google.protobuf.Timestamp value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1186,7 +1113,7 @@ public Builder mergeExpireTime(com.google.protobuf.Timestamp value) {
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearExpireTime() {
       bitField0_ = (bitField0_ & ~0x00000004);
@@ -1199,10 +1126,8 @@ public Builder clearExpireTime() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1214,7 +1139,7 @@ public Builder clearExpireTime() {
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.Timestamp.Builder getExpireTimeBuilder() {
       bitField0_ |= 0x00000004;
@@ -1222,10 +1147,8 @@ public com.google.protobuf.Timestamp.Builder getExpireTimeBuilder() {
       return getExpireTimeFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1237,22 +1160,19 @@ public com.google.protobuf.Timestamp.Builder getExpireTimeBuilder() {
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder() {
       if (expireTimeBuilder_ != null) {
         return expireTimeBuilder_.getMessageOrBuilder();
       } else {
-        return expireTime_ == null
-            ? com.google.protobuf.Timestamp.getDefaultInstance()
-            : expireTime_;
+        return expireTime_ == null ?
+            com.google.protobuf.Timestamp.getDefaultInstance() : expireTime_;
       }
     }
     /**
-     *
-     *
      * 
        -     * The snapshot is guaranteed to exist up until this time.
+     * Optional. The snapshot is guaranteed to exist up until this time.
      * A newly-created snapshot expires no later than 7 days from the time of its
      * creation. Its exact lifetime is determined at creation by the existing
      * backlog in the source subscription. Specifically, the lifetime of the
@@ -1264,38 +1184,37 @@ public com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder() {
      * snapshot that would expire in less than 1 hour after creation.
      * 
        
      *
-     * .google.protobuf.Timestamp expire_time = 3;
+     * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Timestamp,
-            com.google.protobuf.Timestamp.Builder,
-            com.google.protobuf.TimestampOrBuilder>
+        com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder> 
         getExpireTimeFieldBuilder() {
       if (expireTimeBuilder_ == null) {
-        expireTimeBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Timestamp,
-                com.google.protobuf.Timestamp.Builder,
-                com.google.protobuf.TimestampOrBuilder>(
-                getExpireTime(), getParentForChildren(), isClean());
+        expireTimeBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Timestamp, com.google.protobuf.Timestamp.Builder, com.google.protobuf.TimestampOrBuilder>(
+                getExpireTime(),
+                getParentForChildren(),
+                isClean());
         expireTime_ = null;
       }
       return expireTimeBuilder_;
     }
 
-    private com.google.protobuf.MapField labels_;
-
-    private com.google.protobuf.MapField internalGetLabels() {
+    private com.google.protobuf.MapField<
+        java.lang.String, java.lang.String> labels_;
+    private com.google.protobuf.MapField
+        internalGetLabels() {
       if (labels_ == null) {
-        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+        return com.google.protobuf.MapField.emptyMapField(
+            LabelsDefaultEntryHolder.defaultEntry);
       }
       return labels_;
     }
-
     private com.google.protobuf.MapField
         internalGetMutableLabels() {
       if (labels_ == null) {
-        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
+        labels_ = com.google.protobuf.MapField.newMapField(
+            LabelsDefaultEntryHolder.defaultEntry);
       }
       if (!labels_.isMutable()) {
         labels_ = labels_.copy();
@@ -1304,157 +1223,147 @@ private com.google.protobuf.MapField interna
       onChanged();
       return labels_;
     }
-
     public int getLabelsCount() {
       return internalGetLabels().getMap().size();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 4;
+     * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public boolean containsLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
+    public boolean containsLabels(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
       return internalGetLabels().getMap().containsKey(key);
     }
-    /** Use {@link #getLabelsMap()} instead. */
+    /**
+     * Use {@link #getLabelsMap()} instead.
+     */
     @java.lang.Override
     @java.lang.Deprecated
     public java.util.Map getLabels() {
       return getLabelsMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 4;
+     * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public java.util.Map getLabelsMap() {
       return internalGetLabels().getMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 4;
+     * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public /* nullable */ java.lang.String getLabelsOrDefault(
+    public /* nullable */
+java.lang.String getLabelsOrDefault(
         java.lang.String key,
         /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
+java.lang.String defaultValue) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetLabels().getMap();
       return map.containsKey(key) ? map.get(key) : defaultValue;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 4;
+     * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public java.lang.String getLabelsOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
+    public java.lang.String getLabelsOrThrow(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetLabels().getMap();
       if (!map.containsKey(key)) {
         throw new java.lang.IllegalArgumentException();
       }
       return map.get(key);
     }
-
     public Builder clearLabels() {
       bitField0_ = (bitField0_ & ~0x00000008);
-      internalGetMutableLabels().getMutableMap().clear();
+      internalGetMutableLabels().getMutableMap()
+          .clear();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 4;
+     * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder removeLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableLabels().getMutableMap().remove(key);
+    public Builder removeLabels(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      internalGetMutableLabels().getMutableMap()
+          .remove(key);
       return this;
     }
-    /** Use alternate mutation accessors instead. */
+    /**
+     * Use alternate mutation accessors instead.
+     */
     @java.lang.Deprecated
-    public java.util.Map getMutableLabels() {
+    public java.util.Map
+        getMutableLabels() {
       bitField0_ |= 0x00000008;
       return internalGetMutableLabels().getMutableMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 4;
+     * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putLabels(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      if (value == null) {
-        throw new NullPointerException("map value");
-      }
-      internalGetMutableLabels().getMutableMap().put(key, value);
+    public Builder putLabels(
+        java.lang.String key,
+        java.lang.String value) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      if (value == null) { throw new NullPointerException("map value"); }
+      internalGetMutableLabels().getMutableMap()
+          .put(key, value);
       bitField0_ |= 0x00000008;
       return this;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 4;
+     * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putAllLabels(java.util.Map values) {
-      internalGetMutableLabels().getMutableMap().putAll(values);
+    public Builder putAllLabels(
+        java.util.Map values) {
+      internalGetMutableLabels().getMutableMap()
+          .putAll(values);
       bitField0_ |= 0x00000008;
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1464,12 +1373,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.Snapshot)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.Snapshot)
   private static final com.google.pubsub.v1.Snapshot DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.Snapshot();
   }
@@ -1478,27 +1387,27 @@ public static com.google.pubsub.v1.Snapshot getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public Snapshot parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public Snapshot parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1513,4 +1422,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.Snapshot getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotName.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotName.java
similarity index 100%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotName.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotName.java
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotOrBuilder.java
similarity index 58%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotOrBuilder.java
index 1ba2e28a4..fe202bdc4 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SnapshotOrBuilder.java
@@ -1,83 +1,57 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface SnapshotOrBuilder
-    extends
+public interface SnapshotOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.Snapshot)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
        -   * The name of the snapshot.
+   * Optional. The name of the snapshot.
    * 
        
    *
-   * string name = 1;
-   *
+   * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
        -   * The name of the snapshot.
+   * Optional. The name of the snapshot.
    * 
        
    *
-   * string name = 1;
-   *
+   * string name = 1 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
        -   * The name of the topic from which this snapshot is retaining messages.
+   * Optional. The name of the topic from which this snapshot is retaining
+   * messages.
    * 
        
    *
-   * string topic = 2 [(.google.api.resource_reference) = { ... }
-   *
+   * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   java.lang.String getTopic();
   /**
-   *
-   *
    * 
        -   * The name of the topic from which this snapshot is retaining messages.
+   * Optional. The name of the topic from which this snapshot is retaining
+   * messages.
    * 
        
    *
-   * string topic = 2 [(.google.api.resource_reference) = { ... }
-   *
+   * string topic = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
-  com.google.protobuf.ByteString getTopicBytes();
+  com.google.protobuf.ByteString
+      getTopicBytes();
 
   /**
-   *
-   *
    * 
        -   * The snapshot is guaranteed to exist up until this time.
+   * Optional. The snapshot is guaranteed to exist up until this time.
    * A newly-created snapshot expires no later than 7 days from the time of its
    * creation. Its exact lifetime is determined at creation by the existing
    * backlog in the source subscription. Specifically, the lifetime of the
@@ -89,16 +63,13 @@ public interface SnapshotOrBuilder
    * snapshot that would expire in less than 1 hour after creation.
    * 
        
    *
-   * .google.protobuf.Timestamp expire_time = 3;
-   *
+   * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the expireTime field is set.
    */
   boolean hasExpireTime();
   /**
-   *
-   *
    * 
        -   * The snapshot is guaranteed to exist up until this time.
+   * Optional. The snapshot is guaranteed to exist up until this time.
    * A newly-created snapshot expires no later than 7 days from the time of its
    * creation. Its exact lifetime is determined at creation by the existing
    * backlog in the source subscription. Specifically, the lifetime of the
@@ -110,16 +81,13 @@ public interface SnapshotOrBuilder
    * snapshot that would expire in less than 1 hour after creation.
    * 
        
    *
-   * .google.protobuf.Timestamp expire_time = 3;
-   *
+   * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The expireTime.
    */
   com.google.protobuf.Timestamp getExpireTime();
   /**
-   *
-   *
    * 
        -   * The snapshot is guaranteed to exist up until this time.
+   * Optional. The snapshot is guaranteed to exist up until this time.
    * A newly-created snapshot expires no later than 7 days from the time of its
    * creation. Its exact lifetime is determined at creation by the existing
    * backlog in the source subscription. Specifically, the lifetime of the
@@ -131,70 +99,66 @@ public interface SnapshotOrBuilder
    * snapshot that would expire in less than 1 hour after creation.
    * 
        
    *
-   * .google.protobuf.Timestamp expire_time = 3;
+   * .google.protobuf.Timestamp expire_time = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.protobuf.TimestampOrBuilder getExpireTimeOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   int getLabelsCount();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  boolean containsLabels(
+      java.lang.String key);
+  /**
+   * Use {@link #getLabelsMap()} instead.
    */
-  boolean containsLabels(java.lang.String key);
-  /** Use {@link #getLabelsMap()} instead. */
   @java.lang.Deprecated
-  java.util.Map getLabels();
+  java.util.Map
+  getLabels();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.util.Map getLabelsMap();
+  java.util.Map
+  getLabelsMap();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   /* nullable */
-  java.lang.String getLabelsOrDefault(
+java.lang.String getLabelsOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue);
+java.lang.String defaultValue);
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 4;
+   * map<string, string> labels = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.lang.String getLabelsOrThrow(java.lang.String key);
+  java.lang.String getLabelsOrThrow(
+      java.lang.String key);
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequest.java
similarity index 58%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequest.java
index f74371686..011e163a5 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequest.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `StreamingPull` streaming RPC method. This request is used to
  * establish the initial stream as well as to stream acknowledgements and ack
@@ -29,52 +12,49 @@
  *
  * Protobuf type {@code google.pubsub.v1.StreamingPullRequest}
  */
-public final class StreamingPullRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class StreamingPullRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.StreamingPullRequest)
     StreamingPullRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use StreamingPullRequest.newBuilder() to construct.
   private StreamingPullRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private StreamingPullRequest() {
     subscription_ = "";
-    ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    ackIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
     modifyDeadlineSeconds_ = emptyIntList();
-    modifyDeadlineAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+    modifyDeadlineAckIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
     clientId_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new StreamingPullRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_StreamingPullRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_StreamingPullRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.StreamingPullRequest.class,
-            com.google.pubsub.v1.StreamingPullRequest.Builder.class);
+            com.google.pubsub.v1.StreamingPullRequest.class, com.google.pubsub.v1.StreamingPullRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object subscription_ = "";
   /**
-   *
-   *
    * 
            * Required. The subscription for which to initialize the new stream. This
    * must be provided in the first request on the stream, and must not be set in
@@ -82,10 +62,7 @@ public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   @java.lang.Override
@@ -94,15 +71,14 @@ public java.lang.String getSubscription() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       subscription_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The subscription for which to initialize the new stream. This
    * must be provided in the first request on the stream, and must not be set in
@@ -110,18 +86,17 @@ public java.lang.String getSubscription() {
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getSubscriptionBytes() {
+  public com.google.protobuf.ByteString
+      getSubscriptionBytes() {
     java.lang.Object ref = subscription_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       subscription_ = b;
       return b;
     } else {
@@ -130,59 +105,53 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
   }
 
   public static final int ACK_IDS_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private com.google.protobuf.LazyStringArrayList ackIds_ =
       com.google.protobuf.LazyStringArrayList.emptyList();
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs for acknowledging previously received messages
-   * (received on this stream or a different stream). If an ack ID has expired,
-   * the corresponding message may be redelivered later. Acknowledging a message
-   * more than once will not result in an error. If the acknowledgement ID is
-   * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+   * Optional. List of acknowledgement IDs for acknowledging previously received
+   * messages (received on this stream or a different stream). If an ack ID has
+   * expired, the corresponding message may be redelivered later. Acknowledging
+   * a message more than once will not result in an error. If the
+   * acknowledgement ID is malformed, the stream will be aborted with status
+   * `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated string ack_ids = 2;
-   *
+   * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return A list containing the ackIds.
    */
-  public com.google.protobuf.ProtocolStringList getAckIdsList() {
+  public com.google.protobuf.ProtocolStringList
+      getAckIdsList() {
     return ackIds_;
   }
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs for acknowledging previously received messages
-   * (received on this stream or a different stream). If an ack ID has expired,
-   * the corresponding message may be redelivered later. Acknowledging a message
-   * more than once will not result in an error. If the acknowledgement ID is
-   * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+   * Optional. List of acknowledgement IDs for acknowledging previously received
+   * messages (received on this stream or a different stream). If an ack ID has
+   * expired, the corresponding message may be redelivered later. Acknowledging
+   * a message more than once will not result in an error. If the
+   * acknowledgement ID is malformed, the stream will be aborted with status
+   * `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated string ack_ids = 2;
-   *
+   * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The count of ackIds.
    */
   public int getAckIdsCount() {
     return ackIds_.size();
   }
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs for acknowledging previously received messages
-   * (received on this stream or a different stream). If an ack ID has expired,
-   * the corresponding message may be redelivered later. Acknowledging a message
-   * more than once will not result in an error. If the acknowledgement ID is
-   * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+   * Optional. List of acknowledgement IDs for acknowledging previously received
+   * messages (received on this stream or a different stream). If an ack ID has
+   * expired, the corresponding message may be redelivered later. Acknowledging
+   * a message more than once will not result in an error. If the
+   * acknowledgement ID is malformed, the stream will be aborted with status
+   * `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated string ack_ids = 2;
-   *
+   * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the element to return.
    * @return The ackIds at the given index.
    */
@@ -190,34 +159,30 @@ public java.lang.String getAckIds(int index) {
     return ackIds_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs for acknowledging previously received messages
-   * (received on this stream or a different stream). If an ack ID has expired,
-   * the corresponding message may be redelivered later. Acknowledging a message
-   * more than once will not result in an error. If the acknowledgement ID is
-   * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+   * Optional. List of acknowledgement IDs for acknowledging previously received
+   * messages (received on this stream or a different stream). If an ack ID has
+   * expired, the corresponding message may be redelivered later. Acknowledging
+   * a message more than once will not result in an error. If the
+   * acknowledgement ID is malformed, the stream will be aborted with status
+   * `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated string ack_ids = 2;
-   *
+   * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the value to return.
    * @return The bytes of the ackIds at the given index.
    */
-  public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+  public com.google.protobuf.ByteString
+      getAckIdsBytes(int index) {
     return ackIds_.getByteString(index);
   }
 
   public static final int MODIFY_DEADLINE_SECONDS_FIELD_NUMBER = 3;
-
   @SuppressWarnings("serial")
   private com.google.protobuf.Internal.IntList modifyDeadlineSeconds_;
   /**
-   *
-   *
    * 
        -   * The list of new ack deadlines for the IDs listed in
+   * Optional. The list of new ack deadlines for the IDs listed in
    * `modify_deadline_ack_ids`. The size of this list must be the same as the
    * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
    * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -230,19 +195,17 @@ public com.google.protobuf.ByteString getAckIdsBytes(int index) {
    * be aborted with status `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated int32 modify_deadline_seconds = 3;
-   *
+   * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return A list containing the modifyDeadlineSeconds.
    */
   @java.lang.Override
-  public java.util.List getModifyDeadlineSecondsList() {
+  public java.util.List
+      getModifyDeadlineSecondsList() {
     return modifyDeadlineSeconds_;
   }
   /**
-   *
-   *
    * 
        -   * The list of new ack deadlines for the IDs listed in
+   * Optional. The list of new ack deadlines for the IDs listed in
    * `modify_deadline_ack_ids`. The size of this list must be the same as the
    * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
    * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -255,18 +218,15 @@ public java.util.List getModifyDeadlineSecondsList() {
    * be aborted with status `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated int32 modify_deadline_seconds = 3;
-   *
+   * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The count of modifyDeadlineSeconds.
    */
   public int getModifyDeadlineSecondsCount() {
     return modifyDeadlineSeconds_.size();
   }
   /**
-   *
-   *
    * 
        -   * The list of new ack deadlines for the IDs listed in
+   * Optional. The list of new ack deadlines for the IDs listed in
    * `modify_deadline_ack_ids`. The size of this list must be the same as the
    * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
    * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -279,71 +239,60 @@ public int getModifyDeadlineSecondsCount() {
    * be aborted with status `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated int32 modify_deadline_seconds = 3;
-   *
+   * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the element to return.
    * @return The modifyDeadlineSeconds at the given index.
    */
   public int getModifyDeadlineSeconds(int index) {
     return modifyDeadlineSeconds_.getInt(index);
   }
-
   private int modifyDeadlineSecondsMemoizedSerializedSize = -1;
 
   public static final int MODIFY_DEADLINE_ACK_IDS_FIELD_NUMBER = 4;
-
   @SuppressWarnings("serial")
   private com.google.protobuf.LazyStringArrayList modifyDeadlineAckIds_ =
       com.google.protobuf.LazyStringArrayList.emptyList();
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs whose deadline will be modified based on the
-   * corresponding element in `modify_deadline_seconds`. This field can be used
-   * to indicate that more time is needed to process a message by the
+   * Optional. List of acknowledgement IDs whose deadline will be modified based
+   * on the corresponding element in `modify_deadline_seconds`. This field can
+   * be used to indicate that more time is needed to process a message by the
    * subscriber, or to make the message available for redelivery if the
    * processing was interrupted.
    * 
        
    *
-   * repeated string modify_deadline_ack_ids = 4;
-   *
+   * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return A list containing the modifyDeadlineAckIds.
    */
-  public com.google.protobuf.ProtocolStringList getModifyDeadlineAckIdsList() {
+  public com.google.protobuf.ProtocolStringList
+      getModifyDeadlineAckIdsList() {
     return modifyDeadlineAckIds_;
   }
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs whose deadline will be modified based on the
-   * corresponding element in `modify_deadline_seconds`. This field can be used
-   * to indicate that more time is needed to process a message by the
+   * Optional. List of acknowledgement IDs whose deadline will be modified based
+   * on the corresponding element in `modify_deadline_seconds`. This field can
+   * be used to indicate that more time is needed to process a message by the
    * subscriber, or to make the message available for redelivery if the
    * processing was interrupted.
    * 
        
    *
-   * repeated string modify_deadline_ack_ids = 4;
-   *
+   * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The count of modifyDeadlineAckIds.
    */
   public int getModifyDeadlineAckIdsCount() {
     return modifyDeadlineAckIds_.size();
   }
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs whose deadline will be modified based on the
-   * corresponding element in `modify_deadline_seconds`. This field can be used
-   * to indicate that more time is needed to process a message by the
+   * Optional. List of acknowledgement IDs whose deadline will be modified based
+   * on the corresponding element in `modify_deadline_seconds`. This field can
+   * be used to indicate that more time is needed to process a message by the
    * subscriber, or to make the message available for redelivery if the
    * processing was interrupted.
    * 
        
    *
-   * repeated string modify_deadline_ack_ids = 4;
-   *
+   * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the element to return.
    * @return The modifyDeadlineAckIds at the given index.
    */
@@ -351,30 +300,26 @@ public java.lang.String getModifyDeadlineAckIds(int index) {
     return modifyDeadlineAckIds_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs whose deadline will be modified based on the
-   * corresponding element in `modify_deadline_seconds`. This field can be used
-   * to indicate that more time is needed to process a message by the
+   * Optional. List of acknowledgement IDs whose deadline will be modified based
+   * on the corresponding element in `modify_deadline_seconds`. This field can
+   * be used to indicate that more time is needed to process a message by the
    * subscriber, or to make the message available for redelivery if the
    * processing was interrupted.
    * 
        
    *
-   * repeated string modify_deadline_ack_ids = 4;
-   *
+   * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the value to return.
    * @return The bytes of the modifyDeadlineAckIds at the given index.
    */
-  public com.google.protobuf.ByteString getModifyDeadlineAckIdsBytes(int index) {
+  public com.google.protobuf.ByteString
+      getModifyDeadlineAckIdsBytes(int index) {
     return modifyDeadlineAckIds_.getByteString(index);
   }
 
   public static final int STREAM_ACK_DEADLINE_SECONDS_FIELD_NUMBER = 5;
   private int streamAckDeadlineSeconds_ = 0;
   /**
-   *
-   *
    * 
            * Required. The ack deadline to use for the stream. This must be provided in
    * the first request on the stream, but it can also be updated on subsequent
@@ -383,7 +328,6 @@ public com.google.protobuf.ByteString getModifyDeadlineAckIdsBytes(int index) {
    * 
        
    *
    * int32 stream_ack_deadline_seconds = 5 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The streamAckDeadlineSeconds.
    */
   @java.lang.Override
@@ -392,23 +336,19 @@ public int getStreamAckDeadlineSeconds() {
   }
 
   public static final int CLIENT_ID_FIELD_NUMBER = 6;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object clientId_ = "";
   /**
-   *
-   *
    * 
        -   * A unique identifier that is used to distinguish client instances from each
-   * other. Only needs to be provided on the initial request. When a stream
-   * disconnects and reconnects for the same stream, the client_id should be set
-   * to the same value so that state associated with the old stream can be
-   * transferred to the new stream. The same client_id should not be used for
+   * Optional. A unique identifier that is used to distinguish client instances
+   * from each other. Only needs to be provided on the initial request. When a
+   * stream disconnects and reconnects for the same stream, the client_id should
+   * be set to the same value so that state associated with the old stream can
+   * be transferred to the new stream. The same client_id should not be used for
    * different client instances.
    * 
        
    *
-   * string client_id = 6;
-   *
+   * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return The clientId.
    */
   @java.lang.Override
@@ -417,34 +357,34 @@ public java.lang.String getClientId() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       clientId_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * A unique identifier that is used to distinguish client instances from each
-   * other. Only needs to be provided on the initial request. When a stream
-   * disconnects and reconnects for the same stream, the client_id should be set
-   * to the same value so that state associated with the old stream can be
-   * transferred to the new stream. The same client_id should not be used for
+   * Optional. A unique identifier that is used to distinguish client instances
+   * from each other. Only needs to be provided on the initial request. When a
+   * stream disconnects and reconnects for the same stream, the client_id should
+   * be set to the same value so that state associated with the old stream can
+   * be transferred to the new stream. The same client_id should not be used for
    * different client instances.
    * 
        
    *
-   * string client_id = 6;
-   *
+   * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for clientId.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getClientIdBytes() {
+  public com.google.protobuf.ByteString
+      getClientIdBytes() {
     java.lang.Object ref = clientId_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       clientId_ = b;
       return b;
     } else {
@@ -455,11 +395,9 @@ public com.google.protobuf.ByteString getClientIdBytes() {
   public static final int MAX_OUTSTANDING_MESSAGES_FIELD_NUMBER = 7;
   private long maxOutstandingMessages_ = 0L;
   /**
-   *
-   *
    * 
        -   * Flow control settings for the maximum number of outstanding messages. When
-   * there are `max_outstanding_messages` or more currently sent to the
+   * Optional. Flow control settings for the maximum number of outstanding
+   * messages. When there are `max_outstanding_messages` currently sent to the
    * streaming pull client that have not yet been acked or nacked, the server
    * stops sending more messages. The sending of messages resumes once the
    * number of outstanding messages is less than this value. If the value is
@@ -469,8 +407,7 @@ public com.google.protobuf.ByteString getClientIdBytes() {
    * `INVALID_ARGUMENT`.
    * 
        
    *
-   * int64 max_outstanding_messages = 7;
-   *
+   * int64 max_outstanding_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
    * @return The maxOutstandingMessages.
    */
   @java.lang.Override
@@ -481,22 +418,19 @@ public long getMaxOutstandingMessages() {
   public static final int MAX_OUTSTANDING_BYTES_FIELD_NUMBER = 8;
   private long maxOutstandingBytes_ = 0L;
   /**
-   *
-   *
    * 
        -   * Flow control settings for the maximum number of outstanding bytes. When
-   * there are `max_outstanding_bytes` or more worth of messages currently sent
-   * to the streaming pull client that have not yet been acked or nacked, the
-   * server will stop sending more messages. The sending of messages resumes
-   * once the number of outstanding bytes is less than this value. If the value
-   * is <= 0, there is no limit to the number of outstanding bytes. This
-   * property can only be set on the initial StreamingPullRequest. If it is set
-   * on a subsequent request, the stream will be aborted with status
+   * Optional. Flow control settings for the maximum number of outstanding
+   * bytes. When there are `max_outstanding_bytes` or more worth of messages
+   * currently sent to the streaming pull client that have not yet been acked or
+   * nacked, the server will stop sending more messages. The sending of messages
+   * resumes once the number of outstanding bytes is less than this value. If
+   * the value is <= 0, there is no limit to the number of outstanding bytes.
+   * This property can only be set on the initial StreamingPullRequest. If it is
+   * set on a subsequent request, the stream will be aborted with status
    * `INVALID_ARGUMENT`.
    * 
        
    *
-   * int64 max_outstanding_bytes = 8;
-   *
+   * int64 max_outstanding_bytes = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return The maxOutstandingBytes.
    */
   @java.lang.Override
@@ -505,7 +439,6 @@ public long getMaxOutstandingBytes() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -517,7 +450,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     getSerializedSize();
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(subscription_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, subscription_);
@@ -533,8 +467,7 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
       output.writeInt32NoTag(modifyDeadlineSeconds_.getInt(i));
     }
     for (int i = 0; i < modifyDeadlineAckIds_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(
-          output, 4, modifyDeadlineAckIds_.getRaw(i));
+      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, modifyDeadlineAckIds_.getRaw(i));
     }
     if (streamAckDeadlineSeconds_ != 0) {
       output.writeInt32(5, streamAckDeadlineSeconds_);
@@ -571,14 +504,14 @@ public int getSerializedSize() {
     {
       int dataSize = 0;
       for (int i = 0; i < modifyDeadlineSeconds_.size(); i++) {
-        dataSize +=
-            com.google.protobuf.CodedOutputStream.computeInt32SizeNoTag(
-                modifyDeadlineSeconds_.getInt(i));
+        dataSize += com.google.protobuf.CodedOutputStream
+          .computeInt32SizeNoTag(modifyDeadlineSeconds_.getInt(i));
       }
       size += dataSize;
       if (!getModifyDeadlineSecondsList().isEmpty()) {
         size += 1;
-        size += com.google.protobuf.CodedOutputStream.computeInt32SizeNoTag(dataSize);
+        size += com.google.protobuf.CodedOutputStream
+            .computeInt32SizeNoTag(dataSize);
       }
       modifyDeadlineSecondsMemoizedSerializedSize = dataSize;
     }
@@ -591,16 +524,19 @@ public int getSerializedSize() {
       size += 1 * getModifyDeadlineAckIdsList().size();
     }
     if (streamAckDeadlineSeconds_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(5, streamAckDeadlineSeconds_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(5, streamAckDeadlineSeconds_);
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(clientId_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(6, clientId_);
     }
     if (maxOutstandingMessages_ != 0L) {
-      size += com.google.protobuf.CodedOutputStream.computeInt64Size(7, maxOutstandingMessages_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt64Size(7, maxOutstandingMessages_);
     }
     if (maxOutstandingBytes_ != 0L) {
-      size += com.google.protobuf.CodedOutputStream.computeInt64Size(8, maxOutstandingBytes_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt64Size(8, maxOutstandingBytes_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -610,22 +546,29 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.StreamingPullRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.StreamingPullRequest other =
-        (com.google.pubsub.v1.StreamingPullRequest) obj;
-
-    if (!getSubscription().equals(other.getSubscription())) return false;
-    if (!getAckIdsList().equals(other.getAckIdsList())) return false;
-    if (!getModifyDeadlineSecondsList().equals(other.getModifyDeadlineSecondsList())) return false;
-    if (!getModifyDeadlineAckIdsList().equals(other.getModifyDeadlineAckIdsList())) return false;
-    if (getStreamAckDeadlineSeconds() != other.getStreamAckDeadlineSeconds()) return false;
-    if (!getClientId().equals(other.getClientId())) return false;
-    if (getMaxOutstandingMessages() != other.getMaxOutstandingMessages()) return false;
-    if (getMaxOutstandingBytes() != other.getMaxOutstandingBytes()) return false;
+    com.google.pubsub.v1.StreamingPullRequest other = (com.google.pubsub.v1.StreamingPullRequest) obj;
+
+    if (!getSubscription()
+        .equals(other.getSubscription())) return false;
+    if (!getAckIdsList()
+        .equals(other.getAckIdsList())) return false;
+    if (!getModifyDeadlineSecondsList()
+        .equals(other.getModifyDeadlineSecondsList())) return false;
+    if (!getModifyDeadlineAckIdsList()
+        .equals(other.getModifyDeadlineAckIdsList())) return false;
+    if (getStreamAckDeadlineSeconds()
+        != other.getStreamAckDeadlineSeconds()) return false;
+    if (!getClientId()
+        .equals(other.getClientId())) return false;
+    if (getMaxOutstandingMessages()
+        != other.getMaxOutstandingMessages()) return false;
+    if (getMaxOutstandingBytes()
+        != other.getMaxOutstandingBytes()) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
   }
@@ -656,112 +599,109 @@ public int hashCode() {
     hash = (37 * hash) + CLIENT_ID_FIELD_NUMBER;
     hash = (53 * hash) + getClientId().hashCode();
     hash = (37 * hash) + MAX_OUTSTANDING_MESSAGES_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getMaxOutstandingMessages());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
+        getMaxOutstandingMessages());
     hash = (37 * hash) + MAX_OUTSTANDING_BYTES_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getMaxOutstandingBytes());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashLong(
+        getMaxOutstandingBytes());
     hash = (29 * hash) + getUnknownFields().hashCode();
     memoizedHashCode = hash;
     return hash;
   }
 
-  public static com.google.pubsub.v1.StreamingPullRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.StreamingPullRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.StreamingPullRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.StreamingPullRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.StreamingPullRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.StreamingPullRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.StreamingPullRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `StreamingPull` streaming RPC method. This request is used to
    * establish the initial stream as well as to stream acknowledgements and ack
@@ -770,40 +710,43 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.StreamingPullRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.StreamingPullRequest)
       com.google.pubsub.v1.StreamingPullRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.StreamingPullRequest.class,
-              com.google.pubsub.v1.StreamingPullRequest.Builder.class);
+              com.google.pubsub.v1.StreamingPullRequest.class, com.google.pubsub.v1.StreamingPullRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.StreamingPullRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
       bitField0_ = 0;
       subscription_ = "";
-      ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      ackIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
       modifyDeadlineSeconds_ = emptyIntList();
-      modifyDeadlineAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      modifyDeadlineAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
       streamAckDeadlineSeconds_ = 0;
       clientId_ = "";
       maxOutstandingMessages_ = 0L;
@@ -812,9 +755,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullRequest_descriptor;
     }
 
     @java.lang.Override
@@ -833,12 +776,9 @@ public com.google.pubsub.v1.StreamingPullRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.StreamingPullRequest buildPartial() {
-      com.google.pubsub.v1.StreamingPullRequest result =
-          new com.google.pubsub.v1.StreamingPullRequest(this);
+      com.google.pubsub.v1.StreamingPullRequest result = new com.google.pubsub.v1.StreamingPullRequest(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -882,39 +822,38 @@ private void buildPartial0(com.google.pubsub.v1.StreamingPullRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.StreamingPullRequest) {
-        return mergeFrom((com.google.pubsub.v1.StreamingPullRequest) other);
+        return mergeFrom((com.google.pubsub.v1.StreamingPullRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -998,75 +937,65 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                subscription_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureAckIdsIsMutable();
-                ackIds_.add(s);
-                break;
-              } // case 18
-            case 24:
-              {
-                int v = input.readInt32();
-                ensureModifyDeadlineSecondsIsMutable();
-                modifyDeadlineSeconds_.addInt(v);
-                break;
-              } // case 24
-            case 26:
-              {
-                int length = input.readRawVarint32();
-                int limit = input.pushLimit(length);
-                ensureModifyDeadlineSecondsIsMutable();
-                while (input.getBytesUntilLimit() > 0) {
-                  modifyDeadlineSeconds_.addInt(input.readInt32());
-                }
-                input.popLimit(limit);
-                break;
-              } // case 26
-            case 34:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureModifyDeadlineAckIdsIsMutable();
-                modifyDeadlineAckIds_.add(s);
-                break;
-              } // case 34
-            case 40:
-              {
-                streamAckDeadlineSeconds_ = input.readInt32();
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 40
-            case 50:
-              {
-                clientId_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000020;
-                break;
-              } // case 50
-            case 56:
-              {
-                maxOutstandingMessages_ = input.readInt64();
-                bitField0_ |= 0x00000040;
-                break;
-              } // case 56
-            case 64:
-              {
-                maxOutstandingBytes_ = input.readInt64();
-                bitField0_ |= 0x00000080;
-                break;
-              } // case 64
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              subscription_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              java.lang.String s = input.readStringRequireUtf8();
+              ensureAckIdsIsMutable();
+              ackIds_.add(s);
+              break;
+            } // case 18
+            case 24: {
+              int v = input.readInt32();
+              ensureModifyDeadlineSecondsIsMutable();
+              modifyDeadlineSeconds_.addInt(v);
+              break;
+            } // case 24
+            case 26: {
+              int length = input.readRawVarint32();
+              int limit = input.pushLimit(length);
+              ensureModifyDeadlineSecondsIsMutable();
+              while (input.getBytesUntilLimit() > 0) {
+                modifyDeadlineSeconds_.addInt(input.readInt32());
+              }
+              input.popLimit(limit);
+              break;
+            } // case 26
+            case 34: {
+              java.lang.String s = input.readStringRequireUtf8();
+              ensureModifyDeadlineAckIdsIsMutable();
+              modifyDeadlineAckIds_.add(s);
+              break;
+            } // case 34
+            case 40: {
+              streamAckDeadlineSeconds_ = input.readInt32();
+              bitField0_ |= 0x00000010;
+              break;
+            } // case 40
+            case 50: {
+              clientId_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000020;
+              break;
+            } // case 50
+            case 56: {
+              maxOutstandingMessages_ = input.readInt64();
+              bitField0_ |= 0x00000040;
+              break;
+            } // case 56
+            case 64: {
+              maxOutstandingBytes_ = input.readInt64();
+              bitField0_ |= 0x00000080;
+              break;
+            } // case 64
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1076,13 +1005,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object subscription_ = "";
     /**
-     *
-     *
      * 
              * Required. The subscription for which to initialize the new stream. This
      * must be provided in the first request on the stream, and must not be set in
@@ -1090,16 +1016,14 @@ public Builder mergeFrom(
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The subscription.
      */
     public java.lang.String getSubscription() {
       java.lang.Object ref = subscription_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         subscription_ = s;
         return s;
@@ -1108,8 +1032,6 @@ public java.lang.String getSubscription() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription for which to initialize the new stream. This
      * must be provided in the first request on the stream, and must not be set in
@@ -1117,17 +1039,16 @@ public java.lang.String getSubscription() {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for subscription.
      */
-    public com.google.protobuf.ByteString getSubscriptionBytes() {
+    public com.google.protobuf.ByteString
+        getSubscriptionBytes() {
       java.lang.Object ref = subscription_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         subscription_ = b;
         return b;
       } else {
@@ -1135,8 +1056,6 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The subscription for which to initialize the new stream. This
      * must be provided in the first request on the stream, and must not be set in
@@ -1144,25 +1063,19 @@ public com.google.protobuf.ByteString getSubscriptionBytes() {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscription(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscription(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       subscription_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription for which to initialize the new stream. This
      * must be provided in the first request on the stream, and must not be set in
@@ -1170,10 +1083,7 @@ public Builder setSubscription(java.lang.String value) {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearSubscription() {
@@ -1183,8 +1093,6 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The subscription for which to initialize the new stream. This
      * must be provided in the first request on the stream, and must not be set in
@@ -1192,17 +1100,13 @@ public Builder clearSubscription() {
      * Format is `projects/{project}/subscriptions/{sub}`.
      * 
        
      *
-     * 
-     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for subscription to set.
      * @return This builder for chaining.
      */
-    public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setSubscriptionBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       subscription_ = value;
       bitField0_ |= 0x00000001;
@@ -1212,7 +1116,6 @@ public Builder setSubscriptionBytes(com.google.protobuf.ByteString value) {
 
     private com.google.protobuf.LazyStringArrayList ackIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
-
     private void ensureAckIdsIsMutable() {
       if (!ackIds_.isModifiable()) {
         ackIds_ = new com.google.protobuf.LazyStringArrayList(ackIds_);
@@ -1220,55 +1123,50 @@ private void ensureAckIdsIsMutable() {
       bitField0_ |= 0x00000002;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the ackIds.
      */
-    public com.google.protobuf.ProtocolStringList getAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getAckIdsList() {
       ackIds_.makeImmutable();
       return ackIds_;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of ackIds.
      */
     public int getAckIdsCount() {
       return ackIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The ackIds at the given index.
      */
@@ -1276,45 +1174,41 @@ public java.lang.String getAckIds(int index) {
       return ackIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the ackIds at the given index.
      */
-    public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getAckIdsBytes(int index) {
       return ackIds_.getByteString(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index to set the value at.
      * @param value The ackIds to set.
      * @return This builder for chaining.
      */
-    public Builder setAckIds(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setAckIds(
+        int index, java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureAckIdsIsMutable();
       ackIds_.set(index, value);
       bitField0_ |= 0x00000002;
@@ -1322,25 +1216,22 @@ public Builder setAckIds(int index, java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAckIds(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addAckIds(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureAckIdsIsMutable();
       ackIds_.add(value);
       bitField0_ |= 0x00000002;
@@ -1348,70 +1239,65 @@ public Builder addAckIds(java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param values The ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAllAckIds(java.lang.Iterable values) {
+    public Builder addAllAckIds(
+        java.lang.Iterable values) {
       ensureAckIdsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, ackIds_);
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, ackIds_);
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearAckIds() {
-      ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000002);
-      ;
+      ackIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000002);;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs for acknowledging previously received messages
-     * (received on this stream or a different stream). If an ack ID has expired,
-     * the corresponding message may be redelivered later. Acknowledging a message
-     * more than once will not result in an error. If the acknowledgement ID is
-     * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+     * Optional. List of acknowledgement IDs for acknowledging previously received
+     * messages (received on this stream or a different stream). If an ack ID has
+     * expired, the corresponding message may be redelivered later. Acknowledging
+     * a message more than once will not result in an error. If the
+     * acknowledgement ID is malformed, the stream will be aborted with status
+     * `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated string ack_ids = 2;
-     *
+     * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes of the ackIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addAckIdsBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       ensureAckIdsIsMutable();
       ackIds_.add(value);
@@ -1421,7 +1307,6 @@ public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.Internal.IntList modifyDeadlineSeconds_ = emptyIntList();
-
     private void ensureModifyDeadlineSecondsIsMutable() {
       if (!((bitField0_ & 0x00000004) != 0)) {
         modifyDeadlineSeconds_ = mutableCopy(modifyDeadlineSeconds_);
@@ -1429,10 +1314,8 @@ private void ensureModifyDeadlineSecondsIsMutable() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The list of new ack deadlines for the IDs listed in
+     * Optional. The list of new ack deadlines for the IDs listed in
      * `modify_deadline_ack_ids`. The size of this list must be the same as the
      * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
      * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -1445,20 +1328,17 @@ private void ensureModifyDeadlineSecondsIsMutable() {
      * be aborted with status `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated int32 modify_deadline_seconds = 3;
-     *
+     * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the modifyDeadlineSeconds.
      */
-    public java.util.List getModifyDeadlineSecondsList() {
-      return ((bitField0_ & 0x00000004) != 0)
-          ? java.util.Collections.unmodifiableList(modifyDeadlineSeconds_)
-          : modifyDeadlineSeconds_;
+    public java.util.List
+        getModifyDeadlineSecondsList() {
+      return ((bitField0_ & 0x00000004) != 0) ?
+               java.util.Collections.unmodifiableList(modifyDeadlineSeconds_) : modifyDeadlineSeconds_;
     }
     /**
-     *
-     *
      * 
        -     * The list of new ack deadlines for the IDs listed in
+     * Optional. The list of new ack deadlines for the IDs listed in
      * `modify_deadline_ack_ids`. The size of this list must be the same as the
      * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
      * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -1471,18 +1351,15 @@ public java.util.List getModifyDeadlineSecondsList() {
      * be aborted with status `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated int32 modify_deadline_seconds = 3;
-     *
+     * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of modifyDeadlineSeconds.
      */
     public int getModifyDeadlineSecondsCount() {
       return modifyDeadlineSeconds_.size();
     }
     /**
-     *
-     *
      * 
        -     * The list of new ack deadlines for the IDs listed in
+     * Optional. The list of new ack deadlines for the IDs listed in
      * `modify_deadline_ack_ids`. The size of this list must be the same as the
      * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
      * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -1495,8 +1372,7 @@ public int getModifyDeadlineSecondsCount() {
      * be aborted with status `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated int32 modify_deadline_seconds = 3;
-     *
+     * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The modifyDeadlineSeconds at the given index.
      */
@@ -1504,10 +1380,8 @@ public int getModifyDeadlineSeconds(int index) {
       return modifyDeadlineSeconds_.getInt(index);
     }
     /**
-     *
-     *
      * 
        -     * The list of new ack deadlines for the IDs listed in
+     * Optional. The list of new ack deadlines for the IDs listed in
      * `modify_deadline_ack_ids`. The size of this list must be the same as the
      * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
      * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -1520,13 +1394,13 @@ public int getModifyDeadlineSeconds(int index) {
      * be aborted with status `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated int32 modify_deadline_seconds = 3;
-     *
+     * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index to set the value at.
      * @param value The modifyDeadlineSeconds to set.
      * @return This builder for chaining.
      */
-    public Builder setModifyDeadlineSeconds(int index, int value) {
+    public Builder setModifyDeadlineSeconds(
+        int index, int value) {
 
       ensureModifyDeadlineSecondsIsMutable();
       modifyDeadlineSeconds_.setInt(index, value);
@@ -1534,10 +1408,8 @@ public Builder setModifyDeadlineSeconds(int index, int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The list of new ack deadlines for the IDs listed in
+     * Optional. The list of new ack deadlines for the IDs listed in
      * `modify_deadline_ack_ids`. The size of this list must be the same as the
      * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
      * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -1550,8 +1422,7 @@ public Builder setModifyDeadlineSeconds(int index, int value) {
      * be aborted with status `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated int32 modify_deadline_seconds = 3;
-     *
+     * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The modifyDeadlineSeconds to add.
      * @return This builder for chaining.
      */
@@ -1563,10 +1434,8 @@ public Builder addModifyDeadlineSeconds(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The list of new ack deadlines for the IDs listed in
+     * Optional. The list of new ack deadlines for the IDs listed in
      * `modify_deadline_ack_ids`. The size of this list must be the same as the
      * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
      * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -1579,23 +1448,21 @@ public Builder addModifyDeadlineSeconds(int value) {
      * be aborted with status `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated int32 modify_deadline_seconds = 3;
-     *
+     * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param values The modifyDeadlineSeconds to add.
      * @return This builder for chaining.
      */
     public Builder addAllModifyDeadlineSeconds(
         java.lang.Iterable values) {
       ensureModifyDeadlineSecondsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, modifyDeadlineSeconds_);
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, modifyDeadlineSeconds_);
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The list of new ack deadlines for the IDs listed in
+     * Optional. The list of new ack deadlines for the IDs listed in
      * `modify_deadline_ack_ids`. The size of this list must be the same as the
      * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
      * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -1608,8 +1475,7 @@ public Builder addAllModifyDeadlineSeconds(
      * be aborted with status `INVALID_ARGUMENT`.
      * 
        
      *
-     * repeated int32 modify_deadline_seconds = 3;
-     *
+     * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearModifyDeadlineSeconds() {
@@ -1621,7 +1487,6 @@ public Builder clearModifyDeadlineSeconds() {
 
     private com.google.protobuf.LazyStringArrayList modifyDeadlineAckIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
-
     private void ensureModifyDeadlineAckIdsIsMutable() {
       if (!modifyDeadlineAckIds_.isModifiable()) {
         modifyDeadlineAckIds_ = new com.google.protobuf.LazyStringArrayList(modifyDeadlineAckIds_);
@@ -1629,55 +1494,47 @@ private void ensureModifyDeadlineAckIdsIsMutable() {
       bitField0_ |= 0x00000008;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the modifyDeadlineAckIds.
      */
-    public com.google.protobuf.ProtocolStringList getModifyDeadlineAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getModifyDeadlineAckIdsList() {
       modifyDeadlineAckIds_.makeImmutable();
       return modifyDeadlineAckIds_;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of modifyDeadlineAckIds.
      */
     public int getModifyDeadlineAckIdsCount() {
       return modifyDeadlineAckIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The modifyDeadlineAckIds at the given index.
      */
@@ -1685,45 +1542,39 @@ public java.lang.String getModifyDeadlineAckIds(int index) {
       return modifyDeadlineAckIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the modifyDeadlineAckIds at the given index.
      */
-    public com.google.protobuf.ByteString getModifyDeadlineAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getModifyDeadlineAckIdsBytes(int index) {
       return modifyDeadlineAckIds_.getByteString(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index to set the value at.
      * @param value The modifyDeadlineAckIds to set.
      * @return This builder for chaining.
      */
-    public Builder setModifyDeadlineAckIds(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setModifyDeadlineAckIds(
+        int index, java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureModifyDeadlineAckIdsIsMutable();
       modifyDeadlineAckIds_.set(index, value);
       bitField0_ |= 0x00000008;
@@ -1731,25 +1582,21 @@ public Builder setModifyDeadlineAckIds(int index, java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The modifyDeadlineAckIds to add.
      * @return This builder for chaining.
      */
-    public Builder addModifyDeadlineAckIds(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addModifyDeadlineAckIds(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       ensureModifyDeadlineAckIdsIsMutable();
       modifyDeadlineAckIds_.add(value);
       bitField0_ |= 0x00000008;
@@ -1757,70 +1604,62 @@ public Builder addModifyDeadlineAckIds(java.lang.String value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param values The modifyDeadlineAckIds to add.
      * @return This builder for chaining.
      */
-    public Builder addAllModifyDeadlineAckIds(java.lang.Iterable values) {
+    public Builder addAllModifyDeadlineAckIds(
+        java.lang.Iterable values) {
       ensureModifyDeadlineAckIdsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, modifyDeadlineAckIds_);
+      com.google.protobuf.AbstractMessageLite.Builder.addAll(
+          values, modifyDeadlineAckIds_);
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearModifyDeadlineAckIds() {
-      modifyDeadlineAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000008);
-      ;
+      modifyDeadlineAckIds_ =
+        com.google.protobuf.LazyStringArrayList.emptyList();
+      bitField0_ = (bitField0_ & ~0x00000008);;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs whose deadline will be modified based on the
-     * corresponding element in `modify_deadline_seconds`. This field can be used
-     * to indicate that more time is needed to process a message by the
+     * Optional. List of acknowledgement IDs whose deadline will be modified based
+     * on the corresponding element in `modify_deadline_seconds`. This field can
+     * be used to indicate that more time is needed to process a message by the
      * subscriber, or to make the message available for redelivery if the
      * processing was interrupted.
      * 
        
      *
-     * repeated string modify_deadline_ack_ids = 4;
-     *
+     * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes of the modifyDeadlineAckIds to add.
      * @return This builder for chaining.
      */
-    public Builder addModifyDeadlineAckIdsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder addModifyDeadlineAckIdsBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       ensureModifyDeadlineAckIdsIsMutable();
       modifyDeadlineAckIds_.add(value);
@@ -1829,10 +1668,8 @@ public Builder addModifyDeadlineAckIdsBytes(com.google.protobuf.ByteString value
       return this;
     }
 
-    private int streamAckDeadlineSeconds_;
+    private int streamAckDeadlineSeconds_ ;
     /**
-     *
-     *
      * 
              * Required. The ack deadline to use for the stream. This must be provided in
      * the first request on the stream, but it can also be updated on subsequent
@@ -1841,7 +1678,6 @@ public Builder addModifyDeadlineAckIdsBytes(com.google.protobuf.ByteString value
      * 
        
      *
      * int32 stream_ack_deadline_seconds = 5 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The streamAckDeadlineSeconds.
      */
     @java.lang.Override
@@ -1849,8 +1685,6 @@ public int getStreamAckDeadlineSeconds() {
       return streamAckDeadlineSeconds_;
     }
     /**
-     *
-     *
      * 
              * Required. The ack deadline to use for the stream. This must be provided in
      * the first request on the stream, but it can also be updated on subsequent
@@ -1859,7 +1693,6 @@ public int getStreamAckDeadlineSeconds() {
      * 
        
      *
      * int32 stream_ack_deadline_seconds = 5 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The streamAckDeadlineSeconds to set.
      * @return This builder for chaining.
      */
@@ -1871,8 +1704,6 @@ public Builder setStreamAckDeadlineSeconds(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The ack deadline to use for the stream. This must be provided in
      * the first request on the stream, but it can also be updated on subsequent
@@ -1881,7 +1712,6 @@ public Builder setStreamAckDeadlineSeconds(int value) {
      * 
        
      *
      * int32 stream_ack_deadline_seconds = 5 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearStreamAckDeadlineSeconds() {
@@ -1893,25 +1723,23 @@ public Builder clearStreamAckDeadlineSeconds() {
 
     private java.lang.Object clientId_ = "";
     /**
-     *
-     *
      * 
        -     * A unique identifier that is used to distinguish client instances from each
-     * other. Only needs to be provided on the initial request. When a stream
-     * disconnects and reconnects for the same stream, the client_id should be set
-     * to the same value so that state associated with the old stream can be
-     * transferred to the new stream. The same client_id should not be used for
+     * Optional. A unique identifier that is used to distinguish client instances
+     * from each other. Only needs to be provided on the initial request. When a
+     * stream disconnects and reconnects for the same stream, the client_id should
+     * be set to the same value so that state associated with the old stream can
+     * be transferred to the new stream. The same client_id should not be used for
      * different client instances.
      * 
        
      *
-     * string client_id = 6;
-     *
+     * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @return The clientId.
      */
     public java.lang.String getClientId() {
       java.lang.Object ref = clientId_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         clientId_ = s;
         return s;
@@ -1920,26 +1748,25 @@ public java.lang.String getClientId() {
       }
     }
     /**
-     *
-     *
      * 
        -     * A unique identifier that is used to distinguish client instances from each
-     * other. Only needs to be provided on the initial request. When a stream
-     * disconnects and reconnects for the same stream, the client_id should be set
-     * to the same value so that state associated with the old stream can be
-     * transferred to the new stream. The same client_id should not be used for
+     * Optional. A unique identifier that is used to distinguish client instances
+     * from each other. Only needs to be provided on the initial request. When a
+     * stream disconnects and reconnects for the same stream, the client_id should
+     * be set to the same value so that state associated with the old stream can
+     * be transferred to the new stream. The same client_id should not be used for
      * different client instances.
      * 
        
      *
-     * string client_id = 6;
-     *
+     * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for clientId.
      */
-    public com.google.protobuf.ByteString getClientIdBytes() {
+    public com.google.protobuf.ByteString
+        getClientIdBytes() {
       java.lang.Object ref = clientId_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         clientId_ = b;
         return b;
       } else {
@@ -1947,45 +1774,38 @@ public com.google.protobuf.ByteString getClientIdBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * A unique identifier that is used to distinguish client instances from each
-     * other. Only needs to be provided on the initial request. When a stream
-     * disconnects and reconnects for the same stream, the client_id should be set
-     * to the same value so that state associated with the old stream can be
-     * transferred to the new stream. The same client_id should not be used for
+     * Optional. A unique identifier that is used to distinguish client instances
+     * from each other. Only needs to be provided on the initial request. When a
+     * stream disconnects and reconnects for the same stream, the client_id should
+     * be set to the same value so that state associated with the old stream can
+     * be transferred to the new stream. The same client_id should not be used for
      * different client instances.
      * 
        
      *
-     * string client_id = 6;
-     *
+     * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The clientId to set.
      * @return This builder for chaining.
      */
-    public Builder setClientId(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setClientId(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       clientId_ = value;
       bitField0_ |= 0x00000020;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A unique identifier that is used to distinguish client instances from each
-     * other. Only needs to be provided on the initial request. When a stream
-     * disconnects and reconnects for the same stream, the client_id should be set
-     * to the same value so that state associated with the old stream can be
-     * transferred to the new stream. The same client_id should not be used for
+     * Optional. A unique identifier that is used to distinguish client instances
+     * from each other. Only needs to be provided on the initial request. When a
+     * stream disconnects and reconnects for the same stream, the client_id should
+     * be set to the same value so that state associated with the old stream can
+     * be transferred to the new stream. The same client_id should not be used for
      * different client instances.
      * 
        
      *
-     * string client_id = 6;
-     *
+     * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearClientId() {
@@ -1995,26 +1815,22 @@ public Builder clearClientId() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A unique identifier that is used to distinguish client instances from each
-     * other. Only needs to be provided on the initial request. When a stream
-     * disconnects and reconnects for the same stream, the client_id should be set
-     * to the same value so that state associated with the old stream can be
-     * transferred to the new stream. The same client_id should not be used for
+     * Optional. A unique identifier that is used to distinguish client instances
+     * from each other. Only needs to be provided on the initial request. When a
+     * stream disconnects and reconnects for the same stream, the client_id should
+     * be set to the same value so that state associated with the old stream can
+     * be transferred to the new stream. The same client_id should not be used for
      * different client instances.
      * 
        
      *
-     * string client_id = 6;
-     *
+     * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for clientId to set.
      * @return This builder for chaining.
      */
-    public Builder setClientIdBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setClientIdBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       clientId_ = value;
       bitField0_ |= 0x00000020;
@@ -2022,13 +1838,11 @@ public Builder setClientIdBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private long maxOutstandingMessages_;
+    private long maxOutstandingMessages_ ;
     /**
-     *
-     *
      * 
        -     * Flow control settings for the maximum number of outstanding messages. When
-     * there are `max_outstanding_messages` or more currently sent to the
+     * Optional. Flow control settings for the maximum number of outstanding
+     * messages. When there are `max_outstanding_messages` currently sent to the
      * streaming pull client that have not yet been acked or nacked, the server
      * stops sending more messages. The sending of messages resumes once the
      * number of outstanding messages is less than this value. If the value is
@@ -2038,8 +1852,7 @@ public Builder setClientIdBytes(com.google.protobuf.ByteString value) {
      * `INVALID_ARGUMENT`.
      * 
        
      *
-     * int64 max_outstanding_messages = 7;
-     *
+     * int64 max_outstanding_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @return The maxOutstandingMessages.
      */
     @java.lang.Override
@@ -2047,11 +1860,9 @@ public long getMaxOutstandingMessages() {
       return maxOutstandingMessages_;
     }
     /**
-     *
-     *
      * 
        -     * Flow control settings for the maximum number of outstanding messages. When
-     * there are `max_outstanding_messages` or more currently sent to the
+     * Optional. Flow control settings for the maximum number of outstanding
+     * messages. When there are `max_outstanding_messages` currently sent to the
      * streaming pull client that have not yet been acked or nacked, the server
      * stops sending more messages. The sending of messages resumes once the
      * number of outstanding messages is less than this value. If the value is
@@ -2061,8 +1872,7 @@ public long getMaxOutstandingMessages() {
      * `INVALID_ARGUMENT`.
      * 
        
      *
-     * int64 max_outstanding_messages = 7;
-     *
+     * int64 max_outstanding_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The maxOutstandingMessages to set.
      * @return This builder for chaining.
      */
@@ -2074,11 +1884,9 @@ public Builder setMaxOutstandingMessages(long value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Flow control settings for the maximum number of outstanding messages. When
-     * there are `max_outstanding_messages` or more currently sent to the
+     * Optional. Flow control settings for the maximum number of outstanding
+     * messages. When there are `max_outstanding_messages` currently sent to the
      * streaming pull client that have not yet been acked or nacked, the server
      * stops sending more messages. The sending of messages resumes once the
      * number of outstanding messages is less than this value. If the value is
@@ -2088,8 +1896,7 @@ public Builder setMaxOutstandingMessages(long value) {
      * `INVALID_ARGUMENT`.
      * 
        
      *
-     * int64 max_outstanding_messages = 7;
-     *
+     * int64 max_outstanding_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearMaxOutstandingMessages() {
@@ -2099,24 +1906,21 @@ public Builder clearMaxOutstandingMessages() {
       return this;
     }
 
-    private long maxOutstandingBytes_;
+    private long maxOutstandingBytes_ ;
     /**
-     *
-     *
      * 
        -     * Flow control settings for the maximum number of outstanding bytes. When
-     * there are `max_outstanding_bytes` or more worth of messages currently sent
-     * to the streaming pull client that have not yet been acked or nacked, the
-     * server will stop sending more messages. The sending of messages resumes
-     * once the number of outstanding bytes is less than this value. If the value
-     * is <= 0, there is no limit to the number of outstanding bytes. This
-     * property can only be set on the initial StreamingPullRequest. If it is set
-     * on a subsequent request, the stream will be aborted with status
+     * Optional. Flow control settings for the maximum number of outstanding
+     * bytes. When there are `max_outstanding_bytes` or more worth of messages
+     * currently sent to the streaming pull client that have not yet been acked or
+     * nacked, the server will stop sending more messages. The sending of messages
+     * resumes once the number of outstanding bytes is less than this value. If
+     * the value is <= 0, there is no limit to the number of outstanding bytes.
+     * This property can only be set on the initial StreamingPullRequest. If it is
+     * set on a subsequent request, the stream will be aborted with status
      * `INVALID_ARGUMENT`.
      * 
        
      *
-     * int64 max_outstanding_bytes = 8;
-     *
+     * int64 max_outstanding_bytes = 8 [(.google.api.field_behavior) = OPTIONAL];
      * @return The maxOutstandingBytes.
      */
     @java.lang.Override
@@ -2124,22 +1928,19 @@ public long getMaxOutstandingBytes() {
       return maxOutstandingBytes_;
     }
     /**
-     *
-     *
      * 
        -     * Flow control settings for the maximum number of outstanding bytes. When
-     * there are `max_outstanding_bytes` or more worth of messages currently sent
-     * to the streaming pull client that have not yet been acked or nacked, the
-     * server will stop sending more messages. The sending of messages resumes
-     * once the number of outstanding bytes is less than this value. If the value
-     * is <= 0, there is no limit to the number of outstanding bytes. This
-     * property can only be set on the initial StreamingPullRequest. If it is set
-     * on a subsequent request, the stream will be aborted with status
+     * Optional. Flow control settings for the maximum number of outstanding
+     * bytes. When there are `max_outstanding_bytes` or more worth of messages
+     * currently sent to the streaming pull client that have not yet been acked or
+     * nacked, the server will stop sending more messages. The sending of messages
+     * resumes once the number of outstanding bytes is less than this value. If
+     * the value is <= 0, there is no limit to the number of outstanding bytes.
+     * This property can only be set on the initial StreamingPullRequest. If it is
+     * set on a subsequent request, the stream will be aborted with status
      * `INVALID_ARGUMENT`.
      * 
        
      *
-     * int64 max_outstanding_bytes = 8;
-     *
+     * int64 max_outstanding_bytes = 8 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The maxOutstandingBytes to set.
      * @return This builder for chaining.
      */
@@ -2151,22 +1952,19 @@ public Builder setMaxOutstandingBytes(long value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Flow control settings for the maximum number of outstanding bytes. When
-     * there are `max_outstanding_bytes` or more worth of messages currently sent
-     * to the streaming pull client that have not yet been acked or nacked, the
-     * server will stop sending more messages. The sending of messages resumes
-     * once the number of outstanding bytes is less than this value. If the value
-     * is <= 0, there is no limit to the number of outstanding bytes. This
-     * property can only be set on the initial StreamingPullRequest. If it is set
-     * on a subsequent request, the stream will be aborted with status
+     * Optional. Flow control settings for the maximum number of outstanding
+     * bytes. When there are `max_outstanding_bytes` or more worth of messages
+     * currently sent to the streaming pull client that have not yet been acked or
+     * nacked, the server will stop sending more messages. The sending of messages
+     * resumes once the number of outstanding bytes is less than this value. If
+     * the value is <= 0, there is no limit to the number of outstanding bytes.
+     * This property can only be set on the initial StreamingPullRequest. If it is
+     * set on a subsequent request, the stream will be aborted with status
      * `INVALID_ARGUMENT`.
      * 
        
      *
-     * int64 max_outstanding_bytes = 8;
-     *
+     * int64 max_outstanding_bytes = 8 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearMaxOutstandingBytes() {
@@ -2175,9 +1973,9 @@ public Builder clearMaxOutstandingBytes() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -2187,12 +1985,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.StreamingPullRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.StreamingPullRequest)
   private static final com.google.pubsub.v1.StreamingPullRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.StreamingPullRequest();
   }
@@ -2201,27 +1999,27 @@ public static com.google.pubsub.v1.StreamingPullRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public StreamingPullRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public StreamingPullRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -2236,4 +2034,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.StreamingPullRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequestOrBuilder.java
similarity index 50%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequestOrBuilder.java
index ebfc90194..1d3f6896c 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullRequestOrBuilder.java
@@ -1,31 +1,13 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface StreamingPullRequestOrBuilder
-    extends
+public interface StreamingPullRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.StreamingPullRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The subscription for which to initialize the new stream. This
    * must be provided in the first request on the stream, and must not be set in
@@ -33,16 +15,11 @@ public interface StreamingPullRequestOrBuilder
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The subscription.
    */
   java.lang.String getSubscription();
   /**
-   *
-   *
    * 
            * Required. The subscription for which to initialize the new stream. This
    * must be provided in the first request on the stream, and must not be set in
@@ -50,86 +27,76 @@ public interface StreamingPullRequestOrBuilder
    * Format is `projects/{project}/subscriptions/{sub}`.
    * 
        
    *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for subscription.
    */
-  com.google.protobuf.ByteString getSubscriptionBytes();
+  com.google.protobuf.ByteString
+      getSubscriptionBytes();
 
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs for acknowledging previously received messages
-   * (received on this stream or a different stream). If an ack ID has expired,
-   * the corresponding message may be redelivered later. Acknowledging a message
-   * more than once will not result in an error. If the acknowledgement ID is
-   * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+   * Optional. List of acknowledgement IDs for acknowledging previously received
+   * messages (received on this stream or a different stream). If an ack ID has
+   * expired, the corresponding message may be redelivered later. Acknowledging
+   * a message more than once will not result in an error. If the
+   * acknowledgement ID is malformed, the stream will be aborted with status
+   * `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated string ack_ids = 2;
-   *
+   * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return A list containing the ackIds.
    */
-  java.util.List getAckIdsList();
+  java.util.List
+      getAckIdsList();
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs for acknowledging previously received messages
-   * (received on this stream or a different stream). If an ack ID has expired,
-   * the corresponding message may be redelivered later. Acknowledging a message
-   * more than once will not result in an error. If the acknowledgement ID is
-   * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+   * Optional. List of acknowledgement IDs for acknowledging previously received
+   * messages (received on this stream or a different stream). If an ack ID has
+   * expired, the corresponding message may be redelivered later. Acknowledging
+   * a message more than once will not result in an error. If the
+   * acknowledgement ID is malformed, the stream will be aborted with status
+   * `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated string ack_ids = 2;
-   *
+   * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @return The count of ackIds.
    */
   int getAckIdsCount();
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs for acknowledging previously received messages
-   * (received on this stream or a different stream). If an ack ID has expired,
-   * the corresponding message may be redelivered later. Acknowledging a message
-   * more than once will not result in an error. If the acknowledgement ID is
-   * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+   * Optional. List of acknowledgement IDs for acknowledging previously received
+   * messages (received on this stream or a different stream). If an ack ID has
+   * expired, the corresponding message may be redelivered later. Acknowledging
+   * a message more than once will not result in an error. If the
+   * acknowledgement ID is malformed, the stream will be aborted with status
+   * `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated string ack_ids = 2;
-   *
+   * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the element to return.
    * @return The ackIds at the given index.
    */
   java.lang.String getAckIds(int index);
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs for acknowledging previously received messages
-   * (received on this stream or a different stream). If an ack ID has expired,
-   * the corresponding message may be redelivered later. Acknowledging a message
-   * more than once will not result in an error. If the acknowledgement ID is
-   * malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
+   * Optional. List of acknowledgement IDs for acknowledging previously received
+   * messages (received on this stream or a different stream). If an ack ID has
+   * expired, the corresponding message may be redelivered later. Acknowledging
+   * a message more than once will not result in an error. If the
+   * acknowledgement ID is malformed, the stream will be aborted with status
+   * `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated string ack_ids = 2;
-   *
+   * repeated string ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the value to return.
    * @return The bytes of the ackIds at the given index.
    */
-  com.google.protobuf.ByteString getAckIdsBytes(int index);
+  com.google.protobuf.ByteString
+      getAckIdsBytes(int index);
 
   /**
-   *
-   *
    * 
        -   * The list of new ack deadlines for the IDs listed in
+   * Optional. The list of new ack deadlines for the IDs listed in
    * `modify_deadline_ack_ids`. The size of this list must be the same as the
    * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
    * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -142,16 +109,13 @@ public interface StreamingPullRequestOrBuilder
    * be aborted with status `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated int32 modify_deadline_seconds = 3;
-   *
+   * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return A list containing the modifyDeadlineSeconds.
    */
   java.util.List getModifyDeadlineSecondsList();
   /**
-   *
-   *
    * 
        -   * The list of new ack deadlines for the IDs listed in
+   * Optional. The list of new ack deadlines for the IDs listed in
    * `modify_deadline_ack_ids`. The size of this list must be the same as the
    * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
    * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -164,16 +128,13 @@ public interface StreamingPullRequestOrBuilder
    * be aborted with status `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated int32 modify_deadline_seconds = 3;
-   *
+   * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The count of modifyDeadlineSeconds.
    */
   int getModifyDeadlineSecondsCount();
   /**
-   *
-   *
    * 
        -   * The list of new ack deadlines for the IDs listed in
+   * Optional. The list of new ack deadlines for the IDs listed in
    * `modify_deadline_ack_ids`. The size of this list must be the same as the
    * size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
    * with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -186,83 +147,70 @@ public interface StreamingPullRequestOrBuilder
    * be aborted with status `INVALID_ARGUMENT`.
    * 
        
    *
-   * repeated int32 modify_deadline_seconds = 3;
-   *
+   * repeated int32 modify_deadline_seconds = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the element to return.
    * @return The modifyDeadlineSeconds at the given index.
    */
   int getModifyDeadlineSeconds(int index);
 
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs whose deadline will be modified based on the
-   * corresponding element in `modify_deadline_seconds`. This field can be used
-   * to indicate that more time is needed to process a message by the
+   * Optional. List of acknowledgement IDs whose deadline will be modified based
+   * on the corresponding element in `modify_deadline_seconds`. This field can
+   * be used to indicate that more time is needed to process a message by the
    * subscriber, or to make the message available for redelivery if the
    * processing was interrupted.
    * 
        
    *
-   * repeated string modify_deadline_ack_ids = 4;
-   *
+   * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return A list containing the modifyDeadlineAckIds.
    */
-  java.util.List getModifyDeadlineAckIdsList();
+  java.util.List
+      getModifyDeadlineAckIdsList();
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs whose deadline will be modified based on the
-   * corresponding element in `modify_deadline_seconds`. This field can be used
-   * to indicate that more time is needed to process a message by the
+   * Optional. List of acknowledgement IDs whose deadline will be modified based
+   * on the corresponding element in `modify_deadline_seconds`. This field can
+   * be used to indicate that more time is needed to process a message by the
    * subscriber, or to make the message available for redelivery if the
    * processing was interrupted.
    * 
        
    *
-   * repeated string modify_deadline_ack_ids = 4;
-   *
+   * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The count of modifyDeadlineAckIds.
    */
   int getModifyDeadlineAckIdsCount();
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs whose deadline will be modified based on the
-   * corresponding element in `modify_deadline_seconds`. This field can be used
-   * to indicate that more time is needed to process a message by the
+   * Optional. List of acknowledgement IDs whose deadline will be modified based
+   * on the corresponding element in `modify_deadline_seconds`. This field can
+   * be used to indicate that more time is needed to process a message by the
    * subscriber, or to make the message available for redelivery if the
    * processing was interrupted.
    * 
        
    *
-   * repeated string modify_deadline_ack_ids = 4;
-   *
+   * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the element to return.
    * @return The modifyDeadlineAckIds at the given index.
    */
   java.lang.String getModifyDeadlineAckIds(int index);
   /**
-   *
-   *
    * 
        -   * List of acknowledgement IDs whose deadline will be modified based on the
-   * corresponding element in `modify_deadline_seconds`. This field can be used
-   * to indicate that more time is needed to process a message by the
+   * Optional. List of acknowledgement IDs whose deadline will be modified based
+   * on the corresponding element in `modify_deadline_seconds`. This field can
+   * be used to indicate that more time is needed to process a message by the
    * subscriber, or to make the message available for redelivery if the
    * processing was interrupted.
    * 
        
    *
-   * repeated string modify_deadline_ack_ids = 4;
-   *
+   * repeated string modify_deadline_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @param index The index of the value to return.
    * @return The bytes of the modifyDeadlineAckIds at the given index.
    */
-  com.google.protobuf.ByteString getModifyDeadlineAckIdsBytes(int index);
+  com.google.protobuf.ByteString
+      getModifyDeadlineAckIdsBytes(int index);
 
   /**
-   *
-   *
    * 
            * Required. The ack deadline to use for the stream. This must be provided in
    * the first request on the stream, but it can also be updated on subsequent
@@ -271,52 +219,44 @@ public interface StreamingPullRequestOrBuilder
    * 
        
    *
    * int32 stream_ack_deadline_seconds = 5 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The streamAckDeadlineSeconds.
    */
   int getStreamAckDeadlineSeconds();
 
   /**
-   *
-   *
    * 
        -   * A unique identifier that is used to distinguish client instances from each
-   * other. Only needs to be provided on the initial request. When a stream
-   * disconnects and reconnects for the same stream, the client_id should be set
-   * to the same value so that state associated with the old stream can be
-   * transferred to the new stream. The same client_id should not be used for
+   * Optional. A unique identifier that is used to distinguish client instances
+   * from each other. Only needs to be provided on the initial request. When a
+   * stream disconnects and reconnects for the same stream, the client_id should
+   * be set to the same value so that state associated with the old stream can
+   * be transferred to the new stream. The same client_id should not be used for
    * different client instances.
    * 
        
    *
-   * string client_id = 6;
-   *
+   * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return The clientId.
    */
   java.lang.String getClientId();
   /**
-   *
-   *
    * 
        -   * A unique identifier that is used to distinguish client instances from each
-   * other. Only needs to be provided on the initial request. When a stream
-   * disconnects and reconnects for the same stream, the client_id should be set
-   * to the same value so that state associated with the old stream can be
-   * transferred to the new stream. The same client_id should not be used for
+   * Optional. A unique identifier that is used to distinguish client instances
+   * from each other. Only needs to be provided on the initial request. When a
+   * stream disconnects and reconnects for the same stream, the client_id should
+   * be set to the same value so that state associated with the old stream can
+   * be transferred to the new stream. The same client_id should not be used for
    * different client instances.
    * 
        
    *
-   * string client_id = 6;
-   *
+   * string client_id = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for clientId.
    */
-  com.google.protobuf.ByteString getClientIdBytes();
+  com.google.protobuf.ByteString
+      getClientIdBytes();
 
   /**
-   *
-   *
    * 
        -   * Flow control settings for the maximum number of outstanding messages. When
-   * there are `max_outstanding_messages` or more currently sent to the
+   * Optional. Flow control settings for the maximum number of outstanding
+   * messages. When there are `max_outstanding_messages` currently sent to the
    * streaming pull client that have not yet been acked or nacked, the server
    * stops sending more messages. The sending of messages resumes once the
    * number of outstanding messages is less than this value. If the value is
@@ -326,29 +266,25 @@ public interface StreamingPullRequestOrBuilder
    * `INVALID_ARGUMENT`.
    * 
        
    *
-   * int64 max_outstanding_messages = 7;
-   *
+   * int64 max_outstanding_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
    * @return The maxOutstandingMessages.
    */
   long getMaxOutstandingMessages();
 
   /**
-   *
-   *
    * 
        -   * Flow control settings for the maximum number of outstanding bytes. When
-   * there are `max_outstanding_bytes` or more worth of messages currently sent
-   * to the streaming pull client that have not yet been acked or nacked, the
-   * server will stop sending more messages. The sending of messages resumes
-   * once the number of outstanding bytes is less than this value. If the value
-   * is <= 0, there is no limit to the number of outstanding bytes. This
-   * property can only be set on the initial StreamingPullRequest. If it is set
-   * on a subsequent request, the stream will be aborted with status
+   * Optional. Flow control settings for the maximum number of outstanding
+   * bytes. When there are `max_outstanding_bytes` or more worth of messages
+   * currently sent to the streaming pull client that have not yet been acked or
+   * nacked, the server will stop sending more messages. The sending of messages
+   * resumes once the number of outstanding bytes is less than this value. If
+   * the value is <= 0, there is no limit to the number of outstanding bytes.
+   * This property can only be set on the initial StreamingPullRequest. If it is
+   * set on a subsequent request, the stream will be aborted with status
    * `INVALID_ARGUMENT`.
    * 
        
    *
-   * int64 max_outstanding_bytes = 8;
-   *
+   * int64 max_outstanding_bytes = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return The maxOutstandingBytes.
    */
   long getMaxOutstandingBytes();
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponse.java
similarity index 55%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponse.java
index e5a7ac745..232623c08 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponse.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `StreamingPull` method. This response is used to stream
  * messages from the server to the client.
@@ -28,257 +11,216 @@
  *
  * Protobuf type {@code google.pubsub.v1.StreamingPullResponse}
  */
-public final class StreamingPullResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class StreamingPullResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.StreamingPullResponse)
     StreamingPullResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use StreamingPullResponse.newBuilder() to construct.
   private StreamingPullResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private StreamingPullResponse() {
     receivedMessages_ = java.util.Collections.emptyList();
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new StreamingPullResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_StreamingPullResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_StreamingPullResponse_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.StreamingPullResponse.class,
-            com.google.pubsub.v1.StreamingPullResponse.Builder.class);
+            com.google.pubsub.v1.StreamingPullResponse.class, com.google.pubsub.v1.StreamingPullResponse.Builder.class);
   }
 
-  public interface AcknowledgeConfirmationOrBuilder
-      extends
+  public interface AcknowledgeConfirmationOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation)
       com.google.protobuf.MessageOrBuilder {
 
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the ackIds.
      */
-    java.util.List getAckIdsList();
+    java.util.List
+        getAckIdsList();
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of ackIds.
      */
     int getAckIdsCount();
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The ackIds at the given index.
      */
     java.lang.String getAckIds(int index);
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the ackIds at the given index.
      */
-    com.google.protobuf.ByteString getAckIdsBytes(int index);
+    com.google.protobuf.ByteString
+        getAckIdsBytes(int index);
 
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the invalidAckIds.
      */
-    java.util.List getInvalidAckIdsList();
+    java.util.List
+        getInvalidAckIdsList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of invalidAckIds.
      */
     int getInvalidAckIdsCount();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The invalidAckIds at the given index.
      */
     java.lang.String getInvalidAckIds(int index);
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the invalidAckIds at the given index.
      */
-    com.google.protobuf.ByteString getInvalidAckIdsBytes(int index);
+    com.google.protobuf.ByteString
+        getInvalidAckIdsBytes(int index);
 
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were out of order.
+     * Optional. List of acknowledgement IDs that were out of order.
      * 
        
      *
-     * repeated string unordered_ack_ids = 3;
-     *
+     * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the unorderedAckIds.
      */
-    java.util.List getUnorderedAckIdsList();
+    java.util.List
+        getUnorderedAckIdsList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were out of order.
+     * Optional. List of acknowledgement IDs that were out of order.
      * 
        
      *
-     * repeated string unordered_ack_ids = 3;
-     *
+     * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of unorderedAckIds.
      */
     int getUnorderedAckIdsCount();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were out of order.
+     * Optional. List of acknowledgement IDs that were out of order.
      * 
        
      *
-     * repeated string unordered_ack_ids = 3;
-     *
+     * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The unorderedAckIds at the given index.
      */
     java.lang.String getUnorderedAckIds(int index);
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were out of order.
+     * Optional. List of acknowledgement IDs that were out of order.
      * 
        
      *
-     * repeated string unordered_ack_ids = 3;
-     *
+     * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the unorderedAckIds at the given index.
      */
-    com.google.protobuf.ByteString getUnorderedAckIdsBytes(int index);
+    com.google.protobuf.ByteString
+        getUnorderedAckIdsBytes(int index);
 
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 4;
-     *
+     * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the temporaryFailedAckIds.
      */
-    java.util.List getTemporaryFailedAckIdsList();
+    java.util.List
+        getTemporaryFailedAckIdsList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 4;
-     *
+     * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of temporaryFailedAckIds.
      */
     int getTemporaryFailedAckIdsCount();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 4;
-     *
+     * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The temporaryFailedAckIds at the given index.
      */
     java.lang.String getTemporaryFailedAckIds(int index);
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 4;
-     *
+     * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the temporaryFailedAckIds at the given index.
      */
-    com.google.protobuf.ByteString getTemporaryFailedAckIdsBytes(int index);
+    com.google.protobuf.ByteString
+        getTemporaryFailedAckIdsBytes(int index);
   }
   /**
-   *
-   *
    * 
            * Acknowledgement IDs sent in one or more previous requests to acknowledge a
    * previously received message.
@@ -286,86 +228,79 @@ public interface AcknowledgeConfirmationOrBuilder
    *
    * Protobuf type {@code google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation}
    */
-  public static final class AcknowledgeConfirmation extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class AcknowledgeConfirmation extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation)
       AcknowledgeConfirmationOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use AcknowledgeConfirmation.newBuilder() to construct.
     private AcknowledgeConfirmation(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
     private AcknowledgeConfirmation() {
-      ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      invalidAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      unorderedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      temporaryFailedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      ackIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+      invalidAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+      unorderedAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+      temporaryFailedAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
     }
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new AcknowledgeConfirmation();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.class,
-              com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder.class);
+              com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.class, com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder.class);
     }
 
     public static final int ACK_IDS_FIELD_NUMBER = 1;
-
     @SuppressWarnings("serial")
     private com.google.protobuf.LazyStringArrayList ackIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the ackIds.
      */
-    public com.google.protobuf.ProtocolStringList getAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getAckIdsList() {
       return ackIds_;
     }
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of ackIds.
      */
     public int getAckIdsCount() {
       return ackIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The ackIds at the given index.
      */
@@ -373,66 +308,55 @@ public java.lang.String getAckIds(int index) {
       return ackIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the ackIds at the given index.
      */
-    public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getAckIdsBytes(int index) {
       return ackIds_.getByteString(index);
     }
 
     public static final int INVALID_ACK_IDS_FIELD_NUMBER = 2;
-
     @SuppressWarnings("serial")
     private com.google.protobuf.LazyStringArrayList invalidAckIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the invalidAckIds.
      */
-    public com.google.protobuf.ProtocolStringList getInvalidAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getInvalidAckIdsList() {
       return invalidAckIds_;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of invalidAckIds.
      */
     public int getInvalidAckIdsCount() {
       return invalidAckIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The invalidAckIds at the given index.
      */
@@ -440,64 +364,53 @@ public java.lang.String getInvalidAckIds(int index) {
       return invalidAckIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the invalidAckIds at the given index.
      */
-    public com.google.protobuf.ByteString getInvalidAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getInvalidAckIdsBytes(int index) {
       return invalidAckIds_.getByteString(index);
     }
 
     public static final int UNORDERED_ACK_IDS_FIELD_NUMBER = 3;
-
     @SuppressWarnings("serial")
     private com.google.protobuf.LazyStringArrayList unorderedAckIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were out of order.
+     * Optional. List of acknowledgement IDs that were out of order.
      * 
        
      *
-     * repeated string unordered_ack_ids = 3;
-     *
+     * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the unorderedAckIds.
      */
-    public com.google.protobuf.ProtocolStringList getUnorderedAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getUnorderedAckIdsList() {
       return unorderedAckIds_;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were out of order.
+     * Optional. List of acknowledgement IDs that were out of order.
      * 
        
      *
-     * repeated string unordered_ack_ids = 3;
-     *
+     * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of unorderedAckIds.
      */
     public int getUnorderedAckIdsCount() {
       return unorderedAckIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were out of order.
+     * Optional. List of acknowledgement IDs that were out of order.
      * 
        
      *
-     * repeated string unordered_ack_ids = 3;
-     *
+     * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The unorderedAckIds at the given index.
      */
@@ -505,63 +418,55 @@ public java.lang.String getUnorderedAckIds(int index) {
       return unorderedAckIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were out of order.
+     * Optional. List of acknowledgement IDs that were out of order.
      * 
        
      *
-     * repeated string unordered_ack_ids = 3;
-     *
+     * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the unorderedAckIds at the given index.
      */
-    public com.google.protobuf.ByteString getUnorderedAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getUnorderedAckIdsBytes(int index) {
       return unorderedAckIds_.getByteString(index);
     }
 
     public static final int TEMPORARY_FAILED_ACK_IDS_FIELD_NUMBER = 4;
-
     @SuppressWarnings("serial")
     private com.google.protobuf.LazyStringArrayList temporaryFailedAckIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 4;
-     *
+     * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the temporaryFailedAckIds.
      */
-    public com.google.protobuf.ProtocolStringList getTemporaryFailedAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getTemporaryFailedAckIdsList() {
       return temporaryFailedAckIds_;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 4;
-     *
+     * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of temporaryFailedAckIds.
      */
     public int getTemporaryFailedAckIdsCount() {
       return temporaryFailedAckIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 4;
-     *
+     * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The temporaryFailedAckIds at the given index.
      */
@@ -569,23 +474,21 @@ public java.lang.String getTemporaryFailedAckIds(int index) {
       return temporaryFailedAckIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 4;
-     *
+     * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the temporaryFailedAckIds at the given index.
      */
-    public com.google.protobuf.ByteString getTemporaryFailedAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getTemporaryFailedAckIdsBytes(int index) {
       return temporaryFailedAckIds_.getByteString(index);
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -597,7 +500,8 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
       for (int i = 0; i < ackIds_.size(); i++) {
         com.google.protobuf.GeneratedMessageV3.writeString(output, 1, ackIds_.getRaw(i));
       }
@@ -608,8 +512,7 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
         com.google.protobuf.GeneratedMessageV3.writeString(output, 3, unorderedAckIds_.getRaw(i));
       }
       for (int i = 0; i < temporaryFailedAckIds_.size(); i++) {
-        com.google.protobuf.GeneratedMessageV3.writeString(
-            output, 4, temporaryFailedAckIds_.getRaw(i));
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 4, temporaryFailedAckIds_.getRaw(i));
       }
       getUnknownFields().writeTo(output);
     }
@@ -660,19 +563,21 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
       if (!(obj instanceof com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation other =
-          (com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation) obj;
+      com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation other = (com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation) obj;
 
-      if (!getAckIdsList().equals(other.getAckIdsList())) return false;
-      if (!getInvalidAckIdsList().equals(other.getInvalidAckIdsList())) return false;
-      if (!getUnorderedAckIdsList().equals(other.getUnorderedAckIdsList())) return false;
-      if (!getTemporaryFailedAckIdsList().equals(other.getTemporaryFailedAckIdsList()))
-        return false;
+      if (!getAckIdsList()
+          .equals(other.getAckIdsList())) return false;
+      if (!getInvalidAckIdsList()
+          .equals(other.getInvalidAckIdsList())) return false;
+      if (!getUnorderedAckIdsList()
+          .equals(other.getUnorderedAckIdsList())) return false;
+      if (!getTemporaryFailedAckIdsList()
+          .equals(other.getTemporaryFailedAckIdsList())) return false;
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -706,95 +611,89 @@ public int hashCode() {
     }
 
     public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
-        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
-        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-        parseDelimitedFrom(
-            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
-    public static Builder newBuilder(
-        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation prototype) {
+    public static Builder newBuilder(com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -804,8 +703,6 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * Acknowledgement IDs sent in one or more previous requests to acknowledge a
      * previously received message.
@@ -813,56 +710,57 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation)
         com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.class,
-                com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder.class);
+                com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.class, com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder.class);
       }
 
-      // Construct using
-      // com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.newBuilder()
-      private Builder() {}
+      // Construct using com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.newBuilder()
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
         bitField0_ = 0;
-        ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        invalidAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        unorderedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        temporaryFailedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        ackIds_ =
+            com.google.protobuf.LazyStringArrayList.emptyList();
+        invalidAckIds_ =
+            com.google.protobuf.LazyStringArrayList.emptyList();
+        unorderedAckIds_ =
+            com.google.protobuf.LazyStringArrayList.emptyList();
+        temporaryFailedAckIds_ =
+            com.google.protobuf.LazyStringArrayList.emptyList();
         return this;
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_AcknowledgeConfirmation_descriptor;
       }
 
       @java.lang.Override
-      public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-          getDefaultInstanceForType() {
-        return com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-            .getDefaultInstance();
+      public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation getDefaultInstanceForType() {
+        return com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance();
       }
 
       @java.lang.Override
@@ -876,17 +774,13 @@ public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation build(
 
       @java.lang.Override
       public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation buildPartial() {
-        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation result =
-            new com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation(this);
-        if (bitField0_ != 0) {
-          buildPartial0(result);
-        }
+        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation result = new com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation(this);
+        if (bitField0_ != 0) { buildPartial0(result); }
         onBuilt();
         return result;
       }
 
-      private void buildPartial0(
-          com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation result) {
+      private void buildPartial0(com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation result) {
         int from_bitField0_ = bitField0_;
         if (((from_bitField0_ & 0x00000001) != 0)) {
           ackIds_.makeImmutable();
@@ -910,53 +804,46 @@ private void buildPartial0(
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation) {
-          return mergeFrom(
-              (com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation) other);
+          return mergeFrom((com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder mergeFrom(
-          com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation other) {
-        if (other
-            == com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-                .getDefaultInstance()) return this;
+      public Builder mergeFrom(com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation other) {
+        if (other == com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance()) return this;
         if (!other.ackIds_.isEmpty()) {
           if (ackIds_.isEmpty()) {
             ackIds_ = other.ackIds_;
@@ -1023,41 +910,36 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              case 10:
-                {
-                  java.lang.String s = input.readStringRequireUtf8();
-                  ensureAckIdsIsMutable();
-                  ackIds_.add(s);
-                  break;
-                } // case 10
-              case 18:
-                {
-                  java.lang.String s = input.readStringRequireUtf8();
-                  ensureInvalidAckIdsIsMutable();
-                  invalidAckIds_.add(s);
-                  break;
-                } // case 18
-              case 26:
-                {
-                  java.lang.String s = input.readStringRequireUtf8();
-                  ensureUnorderedAckIdsIsMutable();
-                  unorderedAckIds_.add(s);
-                  break;
-                } // case 26
-              case 34:
-                {
-                  java.lang.String s = input.readStringRequireUtf8();
-                  ensureTemporaryFailedAckIdsIsMutable();
-                  temporaryFailedAckIds_.add(s);
-                  break;
-                } // case 34
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              case 10: {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureAckIdsIsMutable();
+                ackIds_.add(s);
+                break;
+              } // case 10
+              case 18: {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureInvalidAckIdsIsMutable();
+                invalidAckIds_.add(s);
+                break;
+              } // case 18
+              case 26: {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureUnorderedAckIdsIsMutable();
+                unorderedAckIds_.add(s);
+                break;
+              } // case 26
+              case 34: {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureTemporaryFailedAckIdsIsMutable();
+                temporaryFailedAckIds_.add(s);
+                break;
+              } // case 34
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1067,12 +949,10 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       private int bitField0_;
 
       private com.google.protobuf.LazyStringArrayList ackIds_ =
           com.google.protobuf.LazyStringArrayList.emptyList();
-
       private void ensureAckIdsIsMutable() {
         if (!ackIds_.isModifiable()) {
           ackIds_ = new com.google.protobuf.LazyStringArrayList(ackIds_);
@@ -1080,43 +960,35 @@ private void ensureAckIdsIsMutable() {
         bitField0_ |= 0x00000001;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return A list containing the ackIds.
        */
-      public com.google.protobuf.ProtocolStringList getAckIdsList() {
+      public com.google.protobuf.ProtocolStringList
+          getAckIdsList() {
         ackIds_.makeImmutable();
         return ackIds_;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return The count of ackIds.
        */
       public int getAckIdsCount() {
         return ackIds_.size();
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the element to return.
        * @return The ackIds at the given index.
        */
@@ -1124,37 +996,31 @@ public java.lang.String getAckIds(int index) {
         return ackIds_.get(index);
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the value to return.
        * @return The bytes of the ackIds at the given index.
        */
-      public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+      public com.google.protobuf.ByteString
+          getAckIdsBytes(int index) {
         return ackIds_.getByteString(index);
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index to set the value at.
        * @param value The ackIds to set.
        * @return This builder for chaining.
        */
-      public Builder setAckIds(int index, java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setAckIds(
+          int index, java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureAckIdsIsMutable();
         ackIds_.set(index, value);
         bitField0_ |= 0x00000001;
@@ -1162,21 +1028,17 @@ public Builder setAckIds(int index, java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The ackIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAckIds(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addAckIds(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureAckIdsIsMutable();
         ackIds_.add(value);
         bitField0_ |= 0x00000001;
@@ -1184,58 +1046,50 @@ public Builder addAckIds(java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param values The ackIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAllAckIds(java.lang.Iterable values) {
+      public Builder addAllAckIds(
+          java.lang.Iterable values) {
         ensureAckIdsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, ackIds_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, ackIds_);
         bitField0_ |= 0x00000001;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearAckIds() {
-        ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000001);
-        ;
+        ackIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes of the ackIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addAckIdsBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         ensureAckIdsIsMutable();
         ackIds_.add(value);
@@ -1246,7 +1100,6 @@ public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
 
       private com.google.protobuf.LazyStringArrayList invalidAckIds_ =
           com.google.protobuf.LazyStringArrayList.emptyList();
-
       private void ensureInvalidAckIdsIsMutable() {
         if (!invalidAckIds_.isModifiable()) {
           invalidAckIds_ = new com.google.protobuf.LazyStringArrayList(invalidAckIds_);
@@ -1254,46 +1107,38 @@ private void ensureInvalidAckIdsIsMutable() {
         bitField0_ |= 0x00000002;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return A list containing the invalidAckIds.
        */
-      public com.google.protobuf.ProtocolStringList getInvalidAckIdsList() {
+      public com.google.protobuf.ProtocolStringList
+          getInvalidAckIdsList() {
         invalidAckIds_.makeImmutable();
         return invalidAckIds_;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return The count of invalidAckIds.
        */
       public int getInvalidAckIdsCount() {
         return invalidAckIds_.size();
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the element to return.
        * @return The invalidAckIds at the given index.
        */
@@ -1301,39 +1146,33 @@ public java.lang.String getInvalidAckIds(int index) {
         return invalidAckIds_.get(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the value to return.
        * @return The bytes of the invalidAckIds at the given index.
        */
-      public com.google.protobuf.ByteString getInvalidAckIdsBytes(int index) {
+      public com.google.protobuf.ByteString
+          getInvalidAckIdsBytes(int index) {
         return invalidAckIds_.getByteString(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index to set the value at.
        * @param value The invalidAckIds to set.
        * @return This builder for chaining.
        */
-      public Builder setInvalidAckIds(int index, java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setInvalidAckIds(
+          int index, java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureInvalidAckIdsIsMutable();
         invalidAckIds_.set(index, value);
         bitField0_ |= 0x00000002;
@@ -1341,22 +1180,18 @@ public Builder setInvalidAckIds(int index, java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The invalidAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addInvalidAckIds(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addInvalidAckIds(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureInvalidAckIdsIsMutable();
         invalidAckIds_.add(value);
         bitField0_ |= 0x00000002;
@@ -1364,61 +1199,53 @@ public Builder addInvalidAckIds(java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param values The invalidAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAllInvalidAckIds(java.lang.Iterable values) {
+      public Builder addAllInvalidAckIds(
+          java.lang.Iterable values) {
         ensureInvalidAckIdsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, invalidAckIds_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, invalidAckIds_);
         bitField0_ |= 0x00000002;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearInvalidAckIds() {
-        invalidAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000002);
-        ;
+        invalidAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000002);;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes of the invalidAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addInvalidAckIdsBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addInvalidAckIdsBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         ensureInvalidAckIdsIsMutable();
         invalidAckIds_.add(value);
@@ -1429,7 +1256,6 @@ public Builder addInvalidAckIdsBytes(com.google.protobuf.ByteString value) {
 
       private com.google.protobuf.LazyStringArrayList unorderedAckIds_ =
           com.google.protobuf.LazyStringArrayList.emptyList();
-
       private void ensureUnorderedAckIdsIsMutable() {
         if (!unorderedAckIds_.isModifiable()) {
           unorderedAckIds_ = new com.google.protobuf.LazyStringArrayList(unorderedAckIds_);
@@ -1437,43 +1263,35 @@ private void ensureUnorderedAckIdsIsMutable() {
         bitField0_ |= 0x00000004;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @return A list containing the unorderedAckIds.
        */
-      public com.google.protobuf.ProtocolStringList getUnorderedAckIdsList() {
+      public com.google.protobuf.ProtocolStringList
+          getUnorderedAckIdsList() {
         unorderedAckIds_.makeImmutable();
         return unorderedAckIds_;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @return The count of unorderedAckIds.
        */
       public int getUnorderedAckIdsCount() {
         return unorderedAckIds_.size();
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the element to return.
        * @return The unorderedAckIds at the given index.
        */
@@ -1481,37 +1299,31 @@ public java.lang.String getUnorderedAckIds(int index) {
         return unorderedAckIds_.get(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the value to return.
        * @return The bytes of the unorderedAckIds at the given index.
        */
-      public com.google.protobuf.ByteString getUnorderedAckIdsBytes(int index) {
+      public com.google.protobuf.ByteString
+          getUnorderedAckIdsBytes(int index) {
         return unorderedAckIds_.getByteString(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index to set the value at.
        * @param value The unorderedAckIds to set.
        * @return This builder for chaining.
        */
-      public Builder setUnorderedAckIds(int index, java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setUnorderedAckIds(
+          int index, java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureUnorderedAckIdsIsMutable();
         unorderedAckIds_.set(index, value);
         bitField0_ |= 0x00000004;
@@ -1519,21 +1331,17 @@ public Builder setUnorderedAckIds(int index, java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The unorderedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addUnorderedAckIds(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addUnorderedAckIds(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureUnorderedAckIdsIsMutable();
         unorderedAckIds_.add(value);
         bitField0_ |= 0x00000004;
@@ -1541,58 +1349,50 @@ public Builder addUnorderedAckIds(java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param values The unorderedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAllUnorderedAckIds(java.lang.Iterable values) {
+      public Builder addAllUnorderedAckIds(
+          java.lang.Iterable values) {
         ensureUnorderedAckIdsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, unorderedAckIds_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, unorderedAckIds_);
         bitField0_ |= 0x00000004;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearUnorderedAckIds() {
-        unorderedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000004);
-        ;
+        unorderedAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were out of order.
+       * Optional. List of acknowledgement IDs that were out of order.
        * 
        
        *
-       * repeated string unordered_ack_ids = 3;
-       *
+       * repeated string unordered_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes of the unorderedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addUnorderedAckIdsBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addUnorderedAckIdsBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         ensureUnorderedAckIdsIsMutable();
         unorderedAckIds_.add(value);
@@ -1603,52 +1403,45 @@ public Builder addUnorderedAckIdsBytes(com.google.protobuf.ByteString value) {
 
       private com.google.protobuf.LazyStringArrayList temporaryFailedAckIds_ =
           com.google.protobuf.LazyStringArrayList.emptyList();
-
       private void ensureTemporaryFailedAckIdsIsMutable() {
         if (!temporaryFailedAckIds_.isModifiable()) {
-          temporaryFailedAckIds_ =
-              new com.google.protobuf.LazyStringArrayList(temporaryFailedAckIds_);
+          temporaryFailedAckIds_ = new com.google.protobuf.LazyStringArrayList(temporaryFailedAckIds_);
         }
         bitField0_ |= 0x00000008;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @return A list containing the temporaryFailedAckIds.
        */
-      public com.google.protobuf.ProtocolStringList getTemporaryFailedAckIdsList() {
+      public com.google.protobuf.ProtocolStringList
+          getTemporaryFailedAckIdsList() {
         temporaryFailedAckIds_.makeImmutable();
         return temporaryFailedAckIds_;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @return The count of temporaryFailedAckIds.
        */
       public int getTemporaryFailedAckIdsCount() {
         return temporaryFailedAckIds_.size();
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the element to return.
        * @return The temporaryFailedAckIds at the given index.
        */
@@ -1656,37 +1449,33 @@ public java.lang.String getTemporaryFailedAckIds(int index) {
         return temporaryFailedAckIds_.get(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the value to return.
        * @return The bytes of the temporaryFailedAckIds at the given index.
        */
-      public com.google.protobuf.ByteString getTemporaryFailedAckIdsBytes(int index) {
+      public com.google.protobuf.ByteString
+          getTemporaryFailedAckIdsBytes(int index) {
         return temporaryFailedAckIds_.getByteString(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index to set the value at.
        * @param value The temporaryFailedAckIds to set.
        * @return This builder for chaining.
        */
-      public Builder setTemporaryFailedAckIds(int index, java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setTemporaryFailedAckIds(
+          int index, java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureTemporaryFailedAckIdsIsMutable();
         temporaryFailedAckIds_.set(index, value);
         bitField0_ |= 0x00000008;
@@ -1694,21 +1483,18 @@ public Builder setTemporaryFailedAckIds(int index, java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The temporaryFailedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addTemporaryFailedAckIds(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addTemporaryFailedAckIds(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureTemporaryFailedAckIdsIsMutable();
         temporaryFailedAckIds_.add(value);
         bitField0_ |= 0x00000008;
@@ -1716,58 +1502,53 @@ public Builder addTemporaryFailedAckIds(java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @param values The temporaryFailedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAllTemporaryFailedAckIds(java.lang.Iterable values) {
+      public Builder addAllTemporaryFailedAckIds(
+          java.lang.Iterable values) {
         ensureTemporaryFailedAckIdsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, temporaryFailedAckIds_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, temporaryFailedAckIds_);
         bitField0_ |= 0x00000008;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearTemporaryFailedAckIds() {
-        temporaryFailedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000008);
-        ;
+        temporaryFailedAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000008);;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 4;
-       *
+       * repeated string temporary_failed_ack_ids = 4 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes of the temporaryFailedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addTemporaryFailedAckIdsBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addTemporaryFailedAckIdsBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         ensureTemporaryFailedAckIdsIsMutable();
         temporaryFailedAckIds_.add(value);
@@ -1775,7 +1556,6 @@ public Builder addTemporaryFailedAckIdsBytes(com.google.protobuf.ByteString valu
         onChanged();
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -1788,44 +1568,41 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation)
-    private static final com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-        DEFAULT_INSTANCE;
-
+    private static final com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation DEFAULT_INSTANCE;
     static {
       DEFAULT_INSTANCE = new com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation();
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-        getDefaultInstance() {
+    public static com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation getDefaultInstance() {
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public AcknowledgeConfirmation parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public AcknowledgeConfirmation parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -1837,177 +1614,148 @@ public com.google.protobuf.Parser getParserForType() {
     }
 
     @java.lang.Override
-    public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-        getDefaultInstanceForType() {
+    public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
-  public interface ModifyAckDeadlineConfirmationOrBuilder
-      extends
+  public interface ModifyAckDeadlineConfirmationOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation)
       com.google.protobuf.MessageOrBuilder {
 
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the ackIds.
      */
-    java.util.List getAckIdsList();
+    java.util.List
+        getAckIdsList();
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of ackIds.
      */
     int getAckIdsCount();
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The ackIds at the given index.
      */
     java.lang.String getAckIds(int index);
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the ackIds at the given index.
      */
-    com.google.protobuf.ByteString getAckIdsBytes(int index);
+    com.google.protobuf.ByteString
+        getAckIdsBytes(int index);
 
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the invalidAckIds.
      */
-    java.util.List getInvalidAckIdsList();
+    java.util.List
+        getInvalidAckIdsList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of invalidAckIds.
      */
     int getInvalidAckIdsCount();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The invalidAckIds at the given index.
      */
     java.lang.String getInvalidAckIds(int index);
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the invalidAckIds at the given index.
      */
-    com.google.protobuf.ByteString getInvalidAckIdsBytes(int index);
+    com.google.protobuf.ByteString
+        getInvalidAckIdsBytes(int index);
 
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 3;
-     *
+     * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the temporaryFailedAckIds.
      */
-    java.util.List getTemporaryFailedAckIdsList();
+    java.util.List
+        getTemporaryFailedAckIdsList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 3;
-     *
+     * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of temporaryFailedAckIds.
      */
     int getTemporaryFailedAckIdsCount();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 3;
-     *
+     * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The temporaryFailedAckIds at the given index.
      */
     java.lang.String getTemporaryFailedAckIds(int index);
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 3;
-     *
+     * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the temporaryFailedAckIds at the given index.
      */
-    com.google.protobuf.ByteString getTemporaryFailedAckIdsBytes(int index);
+    com.google.protobuf.ByteString
+        getTemporaryFailedAckIdsBytes(int index);
   }
   /**
-   *
-   *
    * 
            * Acknowledgement IDs sent in one or more previous requests to modify the
    * deadline for a specific message.
@@ -2015,88 +1763,77 @@ public interface ModifyAckDeadlineConfirmationOrBuilder
    *
    * Protobuf type {@code google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation}
    */
-  public static final class ModifyAckDeadlineConfirmation
-      extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class ModifyAckDeadlineConfirmation extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation)
       ModifyAckDeadlineConfirmationOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use ModifyAckDeadlineConfirmation.newBuilder() to construct.
-    private ModifyAckDeadlineConfirmation(
-        com.google.protobuf.GeneratedMessageV3.Builder builder) {
+    private ModifyAckDeadlineConfirmation(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
     private ModifyAckDeadlineConfirmation() {
-      ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      invalidAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      temporaryFailedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+      ackIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+      invalidAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+      temporaryFailedAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
     }
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new ModifyAckDeadlineConfirmation();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.class,
-              com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder
-                  .class);
+              com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.class, com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder.class);
     }
 
     public static final int ACK_IDS_FIELD_NUMBER = 1;
-
     @SuppressWarnings("serial")
     private com.google.protobuf.LazyStringArrayList ackIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the ackIds.
      */
-    public com.google.protobuf.ProtocolStringList getAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getAckIdsList() {
       return ackIds_;
     }
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of ackIds.
      */
     public int getAckIdsCount() {
       return ackIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The ackIds at the given index.
      */
@@ -2104,66 +1841,55 @@ public java.lang.String getAckIds(int index) {
       return ackIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * Successfully processed acknowledgement IDs.
+     * Optional. Successfully processed acknowledgement IDs.
      * 
        
      *
-     * repeated string ack_ids = 1;
-     *
+     * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the ackIds at the given index.
      */
-    public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getAckIdsBytes(int index) {
       return ackIds_.getByteString(index);
     }
 
     public static final int INVALID_ACK_IDS_FIELD_NUMBER = 2;
-
     @SuppressWarnings("serial")
     private com.google.protobuf.LazyStringArrayList invalidAckIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the invalidAckIds.
      */
-    public com.google.protobuf.ProtocolStringList getInvalidAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getInvalidAckIdsList() {
       return invalidAckIds_;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of invalidAckIds.
      */
     public int getInvalidAckIdsCount() {
       return invalidAckIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The invalidAckIds at the given index.
      */
@@ -2171,64 +1897,56 @@ public java.lang.String getInvalidAckIds(int index) {
       return invalidAckIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that were malformed or whose acknowledgement
-     * deadline has expired.
+     * Optional. List of acknowledgement IDs that were malformed or whose
+     * acknowledgement deadline has expired.
      * 
        
      *
-     * repeated string invalid_ack_ids = 2;
-     *
+     * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the invalidAckIds at the given index.
      */
-    public com.google.protobuf.ByteString getInvalidAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getInvalidAckIdsBytes(int index) {
       return invalidAckIds_.getByteString(index);
     }
 
     public static final int TEMPORARY_FAILED_ACK_IDS_FIELD_NUMBER = 3;
-
     @SuppressWarnings("serial")
     private com.google.protobuf.LazyStringArrayList temporaryFailedAckIds_ =
         com.google.protobuf.LazyStringArrayList.emptyList();
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 3;
-     *
+     * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return A list containing the temporaryFailedAckIds.
      */
-    public com.google.protobuf.ProtocolStringList getTemporaryFailedAckIdsList() {
+    public com.google.protobuf.ProtocolStringList
+        getTemporaryFailedAckIdsList() {
       return temporaryFailedAckIds_;
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 3;
-     *
+     * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The count of temporaryFailedAckIds.
      */
     public int getTemporaryFailedAckIdsCount() {
       return temporaryFailedAckIds_.size();
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 3;
-     *
+     * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the element to return.
      * @return The temporaryFailedAckIds at the given index.
      */
@@ -2236,23 +1954,21 @@ public java.lang.String getTemporaryFailedAckIds(int index) {
       return temporaryFailedAckIds_.get(index);
     }
     /**
-     *
-     *
      * 
        -     * List of acknowledgement IDs that failed processing with temporary issues.
+     * Optional. List of acknowledgement IDs that failed processing with
+     * temporary issues.
      * 
        
      *
-     * repeated string temporary_failed_ack_ids = 3;
-     *
+     * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @param index The index of the value to return.
      * @return The bytes of the temporaryFailedAckIds at the given index.
      */
-    public com.google.protobuf.ByteString getTemporaryFailedAckIdsBytes(int index) {
+    public com.google.protobuf.ByteString
+        getTemporaryFailedAckIdsBytes(int index) {
       return temporaryFailedAckIds_.getByteString(index);
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -2264,7 +1980,8 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
       for (int i = 0; i < ackIds_.size(); i++) {
         com.google.protobuf.GeneratedMessageV3.writeString(output, 1, ackIds_.getRaw(i));
       }
@@ -2272,8 +1989,7 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
         com.google.protobuf.GeneratedMessageV3.writeString(output, 2, invalidAckIds_.getRaw(i));
       }
       for (int i = 0; i < temporaryFailedAckIds_.size(); i++) {
-        com.google.protobuf.GeneratedMessageV3.writeString(
-            output, 3, temporaryFailedAckIds_.getRaw(i));
+        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, temporaryFailedAckIds_.getRaw(i));
       }
       getUnknownFields().writeTo(output);
     }
@@ -2316,19 +2032,19 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
-      if (!(obj
-          instanceof com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation)) {
+      if (!(obj instanceof com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation other =
-          (com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation) obj;
+      com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation other = (com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation) obj;
 
-      if (!getAckIdsList().equals(other.getAckIdsList())) return false;
-      if (!getInvalidAckIdsList().equals(other.getInvalidAckIdsList())) return false;
-      if (!getTemporaryFailedAckIdsList().equals(other.getTemporaryFailedAckIdsList()))
-        return false;
+      if (!getAckIdsList()
+          .equals(other.getAckIdsList())) return false;
+      if (!getInvalidAckIdsList()
+          .equals(other.getInvalidAckIdsList())) return false;
+      if (!getTemporaryFailedAckIdsList()
+          .equals(other.getTemporaryFailedAckIdsList())) return false;
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -2357,101 +2073,90 @@ public int hashCode() {
       return hash;
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(java.nio.ByteBuffer data)
-            throws com.google.protobuf.InvalidProtocolBufferException {
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(
-            java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(com.google.protobuf.ByteString data)
-            throws com.google.protobuf.InvalidProtocolBufferException {
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(
-            com.google.protobuf.ByteString data,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(
-            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseDelimitedFrom(
-            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        parseFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
-    public static Builder newBuilder(
-        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation prototype) {
+    public static Builder newBuilder(com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -2461,8 +2166,6 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * Acknowledgement IDs sent in one or more previous requests to modify the
      * deadline for a specific message.
@@ -2470,62 +2173,60 @@ protected Builder newBuilderForType(
      *
      * Protobuf type {@code google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation)
         com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.class,
-                com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder
-                    .class);
+                com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.class, com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder.class);
       }
 
-      // Construct using
-      // com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.newBuilder()
-      private Builder() {}
+      // Construct using com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.newBuilder()
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
         bitField0_ = 0;
-        ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        invalidAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        temporaryFailedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
+        ackIds_ =
+            com.google.protobuf.LazyStringArrayList.emptyList();
+        invalidAckIds_ =
+            com.google.protobuf.LazyStringArrayList.emptyList();
+        temporaryFailedAckIds_ =
+            com.google.protobuf.LazyStringArrayList.emptyList();
         return this;
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_ModifyAckDeadlineConfirmation_descriptor;
       }
 
       @java.lang.Override
-      public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-          getDefaultInstanceForType() {
-        return com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-            .getDefaultInstance();
+      public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation getDefaultInstanceForType() {
+        return com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.getDefaultInstance();
       }
 
       @java.lang.Override
       public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation build() {
-        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation result =
-            buildPartial();
+        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation result = buildPartial();
         if (!result.isInitialized()) {
           throw newUninitializedMessageException(result);
         }
@@ -2533,19 +2234,14 @@ public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
       }
 
       @java.lang.Override
-      public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-          buildPartial() {
-        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation result =
-            new com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation(this);
-        if (bitField0_ != 0) {
-          buildPartial0(result);
-        }
+      public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation buildPartial() {
+        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation result = new com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation(this);
+        if (bitField0_ != 0) { buildPartial0(result); }
         onBuilt();
         return result;
       }
 
-      private void buildPartial0(
-          com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation result) {
+      private void buildPartial0(com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation result) {
         int from_bitField0_ = bitField0_;
         if (((from_bitField0_ & 0x00000001) != 0)) {
           ackIds_.makeImmutable();
@@ -2565,54 +2261,46 @@ private void buildPartial0(
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
-        if (other
-            instanceof com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation) {
-          return mergeFrom(
-              (com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation) other);
+        if (other instanceof com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation) {
+          return mergeFrom((com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder mergeFrom(
-          com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation other) {
-        if (other
-            == com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-                .getDefaultInstance()) return this;
+      public Builder mergeFrom(com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation other) {
+        if (other == com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.getDefaultInstance()) return this;
         if (!other.ackIds_.isEmpty()) {
           if (ackIds_.isEmpty()) {
             ackIds_ = other.ackIds_;
@@ -2669,34 +2357,30 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              case 10:
-                {
-                  java.lang.String s = input.readStringRequireUtf8();
-                  ensureAckIdsIsMutable();
-                  ackIds_.add(s);
-                  break;
-                } // case 10
-              case 18:
-                {
-                  java.lang.String s = input.readStringRequireUtf8();
-                  ensureInvalidAckIdsIsMutable();
-                  invalidAckIds_.add(s);
-                  break;
-                } // case 18
-              case 26:
-                {
-                  java.lang.String s = input.readStringRequireUtf8();
-                  ensureTemporaryFailedAckIdsIsMutable();
-                  temporaryFailedAckIds_.add(s);
-                  break;
-                } // case 26
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              case 10: {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureAckIdsIsMutable();
+                ackIds_.add(s);
+                break;
+              } // case 10
+              case 18: {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureInvalidAckIdsIsMutable();
+                invalidAckIds_.add(s);
+                break;
+              } // case 18
+              case 26: {
+                java.lang.String s = input.readStringRequireUtf8();
+                ensureTemporaryFailedAckIdsIsMutable();
+                temporaryFailedAckIds_.add(s);
+                break;
+              } // case 26
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -2706,12 +2390,10 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       private int bitField0_;
 
       private com.google.protobuf.LazyStringArrayList ackIds_ =
           com.google.protobuf.LazyStringArrayList.emptyList();
-
       private void ensureAckIdsIsMutable() {
         if (!ackIds_.isModifiable()) {
           ackIds_ = new com.google.protobuf.LazyStringArrayList(ackIds_);
@@ -2719,43 +2401,35 @@ private void ensureAckIdsIsMutable() {
         bitField0_ |= 0x00000001;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return A list containing the ackIds.
        */
-      public com.google.protobuf.ProtocolStringList getAckIdsList() {
+      public com.google.protobuf.ProtocolStringList
+          getAckIdsList() {
         ackIds_.makeImmutable();
         return ackIds_;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return The count of ackIds.
        */
       public int getAckIdsCount() {
         return ackIds_.size();
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the element to return.
        * @return The ackIds at the given index.
        */
@@ -2763,37 +2437,31 @@ public java.lang.String getAckIds(int index) {
         return ackIds_.get(index);
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the value to return.
        * @return The bytes of the ackIds at the given index.
        */
-      public com.google.protobuf.ByteString getAckIdsBytes(int index) {
+      public com.google.protobuf.ByteString
+          getAckIdsBytes(int index) {
         return ackIds_.getByteString(index);
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index to set the value at.
        * @param value The ackIds to set.
        * @return This builder for chaining.
        */
-      public Builder setAckIds(int index, java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setAckIds(
+          int index, java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureAckIdsIsMutable();
         ackIds_.set(index, value);
         bitField0_ |= 0x00000001;
@@ -2801,21 +2469,17 @@ public Builder setAckIds(int index, java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The ackIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAckIds(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addAckIds(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureAckIdsIsMutable();
         ackIds_.add(value);
         bitField0_ |= 0x00000001;
@@ -2823,58 +2487,50 @@ public Builder addAckIds(java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param values The ackIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAllAckIds(java.lang.Iterable values) {
+      public Builder addAllAckIds(
+          java.lang.Iterable values) {
         ensureAckIdsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, ackIds_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, ackIds_);
         bitField0_ |= 0x00000001;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearAckIds() {
-        ackIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000001);
-        ;
+        ackIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000001);;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * Successfully processed acknowledgement IDs.
+       * Optional. Successfully processed acknowledgement IDs.
        * 
        
        *
-       * repeated string ack_ids = 1;
-       *
+       * repeated string ack_ids = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes of the ackIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addAckIdsBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         ensureAckIdsIsMutable();
         ackIds_.add(value);
@@ -2885,7 +2541,6 @@ public Builder addAckIdsBytes(com.google.protobuf.ByteString value) {
 
       private com.google.protobuf.LazyStringArrayList invalidAckIds_ =
           com.google.protobuf.LazyStringArrayList.emptyList();
-
       private void ensureInvalidAckIdsIsMutable() {
         if (!invalidAckIds_.isModifiable()) {
           invalidAckIds_ = new com.google.protobuf.LazyStringArrayList(invalidAckIds_);
@@ -2893,46 +2548,38 @@ private void ensureInvalidAckIdsIsMutable() {
         bitField0_ |= 0x00000002;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return A list containing the invalidAckIds.
        */
-      public com.google.protobuf.ProtocolStringList getInvalidAckIdsList() {
+      public com.google.protobuf.ProtocolStringList
+          getInvalidAckIdsList() {
         invalidAckIds_.makeImmutable();
         return invalidAckIds_;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return The count of invalidAckIds.
        */
       public int getInvalidAckIdsCount() {
         return invalidAckIds_.size();
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the element to return.
        * @return The invalidAckIds at the given index.
        */
@@ -2940,39 +2587,33 @@ public java.lang.String getInvalidAckIds(int index) {
         return invalidAckIds_.get(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the value to return.
        * @return The bytes of the invalidAckIds at the given index.
        */
-      public com.google.protobuf.ByteString getInvalidAckIdsBytes(int index) {
+      public com.google.protobuf.ByteString
+          getInvalidAckIdsBytes(int index) {
         return invalidAckIds_.getByteString(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index to set the value at.
        * @param value The invalidAckIds to set.
        * @return This builder for chaining.
        */
-      public Builder setInvalidAckIds(int index, java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setInvalidAckIds(
+          int index, java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureInvalidAckIdsIsMutable();
         invalidAckIds_.set(index, value);
         bitField0_ |= 0x00000002;
@@ -2980,22 +2621,18 @@ public Builder setInvalidAckIds(int index, java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The invalidAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addInvalidAckIds(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addInvalidAckIds(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureInvalidAckIdsIsMutable();
         invalidAckIds_.add(value);
         bitField0_ |= 0x00000002;
@@ -3003,61 +2640,53 @@ public Builder addInvalidAckIds(java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param values The invalidAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAllInvalidAckIds(java.lang.Iterable values) {
+      public Builder addAllInvalidAckIds(
+          java.lang.Iterable values) {
         ensureInvalidAckIdsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, invalidAckIds_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, invalidAckIds_);
         bitField0_ |= 0x00000002;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearInvalidAckIds() {
-        invalidAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000002);
-        ;
+        invalidAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000002);;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that were malformed or whose acknowledgement
-       * deadline has expired.
+       * Optional. List of acknowledgement IDs that were malformed or whose
+       * acknowledgement deadline has expired.
        * 
        
        *
-       * repeated string invalid_ack_ids = 2;
-       *
+       * repeated string invalid_ack_ids = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes of the invalidAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addInvalidAckIdsBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addInvalidAckIdsBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         ensureInvalidAckIdsIsMutable();
         invalidAckIds_.add(value);
@@ -3068,52 +2697,45 @@ public Builder addInvalidAckIdsBytes(com.google.protobuf.ByteString value) {
 
       private com.google.protobuf.LazyStringArrayList temporaryFailedAckIds_ =
           com.google.protobuf.LazyStringArrayList.emptyList();
-
       private void ensureTemporaryFailedAckIdsIsMutable() {
         if (!temporaryFailedAckIds_.isModifiable()) {
-          temporaryFailedAckIds_ =
-              new com.google.protobuf.LazyStringArrayList(temporaryFailedAckIds_);
+          temporaryFailedAckIds_ = new com.google.protobuf.LazyStringArrayList(temporaryFailedAckIds_);
         }
         bitField0_ |= 0x00000004;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @return A list containing the temporaryFailedAckIds.
        */
-      public com.google.protobuf.ProtocolStringList getTemporaryFailedAckIdsList() {
+      public com.google.protobuf.ProtocolStringList
+          getTemporaryFailedAckIdsList() {
         temporaryFailedAckIds_.makeImmutable();
         return temporaryFailedAckIds_;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @return The count of temporaryFailedAckIds.
        */
       public int getTemporaryFailedAckIdsCount() {
         return temporaryFailedAckIds_.size();
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the element to return.
        * @return The temporaryFailedAckIds at the given index.
        */
@@ -3121,37 +2743,33 @@ public java.lang.String getTemporaryFailedAckIds(int index) {
         return temporaryFailedAckIds_.get(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index of the value to return.
        * @return The bytes of the temporaryFailedAckIds at the given index.
        */
-      public com.google.protobuf.ByteString getTemporaryFailedAckIdsBytes(int index) {
+      public com.google.protobuf.ByteString
+          getTemporaryFailedAckIdsBytes(int index) {
         return temporaryFailedAckIds_.getByteString(index);
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param index The index to set the value at.
        * @param value The temporaryFailedAckIds to set.
        * @return This builder for chaining.
        */
-      public Builder setTemporaryFailedAckIds(int index, java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder setTemporaryFailedAckIds(
+          int index, java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureTemporaryFailedAckIdsIsMutable();
         temporaryFailedAckIds_.set(index, value);
         bitField0_ |= 0x00000004;
@@ -3159,21 +2777,18 @@ public Builder setTemporaryFailedAckIds(int index, java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The temporaryFailedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addTemporaryFailedAckIds(java.lang.String value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addTemporaryFailedAckIds(
+          java.lang.String value) {
+        if (value == null) { throw new NullPointerException(); }
         ensureTemporaryFailedAckIdsIsMutable();
         temporaryFailedAckIds_.add(value);
         bitField0_ |= 0x00000004;
@@ -3181,58 +2796,53 @@ public Builder addTemporaryFailedAckIds(java.lang.String value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param values The temporaryFailedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addAllTemporaryFailedAckIds(java.lang.Iterable values) {
+      public Builder addAllTemporaryFailedAckIds(
+          java.lang.Iterable values) {
         ensureTemporaryFailedAckIdsIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, temporaryFailedAckIds_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, temporaryFailedAckIds_);
         bitField0_ |= 0x00000004;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearTemporaryFailedAckIds() {
-        temporaryFailedAckIds_ = com.google.protobuf.LazyStringArrayList.emptyList();
-        bitField0_ = (bitField0_ & ~0x00000004);
-        ;
+        temporaryFailedAckIds_ =
+          com.google.protobuf.LazyStringArrayList.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000004);;
         onChanged();
         return this;
       }
       /**
-       *
-       *
        * 
        -       * List of acknowledgement IDs that failed processing with temporary issues.
+       * Optional. List of acknowledgement IDs that failed processing with
+       * temporary issues.
        * 
        
        *
-       * repeated string temporary_failed_ack_ids = 3;
-       *
+       * repeated string temporary_failed_ack_ids = 3 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The bytes of the temporaryFailedAckIds to add.
        * @return This builder for chaining.
        */
-      public Builder addTemporaryFailedAckIdsBytes(com.google.protobuf.ByteString value) {
-        if (value == null) {
-          throw new NullPointerException();
-        }
+      public Builder addTemporaryFailedAckIdsBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) { throw new NullPointerException(); }
         checkByteStringIsUtf8(value);
         ensureTemporaryFailedAckIdsIsMutable();
         temporaryFailedAckIds_.add(value);
@@ -3240,7 +2850,6 @@ public Builder addTemporaryFailedAckIdsBytes(com.google.protobuf.ByteString valu
         onChanged();
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -3253,45 +2862,41 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation)
-    private static final com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        DEFAULT_INSTANCE;
-
+    private static final com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation DEFAULT_INSTANCE;
     static {
-      DEFAULT_INSTANCE =
-          new com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation();
+      DEFAULT_INSTANCE = new com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation();
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        getDefaultInstance() {
+    public static com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation getDefaultInstance() {
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public ModifyAckDeadlineConfirmation parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public ModifyAckDeadlineConfirmation parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -3303,96 +2908,85 @@ public com.google.protobuf.Parser getParserForTyp
     }
 
     @java.lang.Override
-    public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        getDefaultInstanceForType() {
+    public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
-  public interface SubscriptionPropertiesOrBuilder
-      extends
+  public interface SubscriptionPropertiesOrBuilder extends
       // @@protoc_insertion_point(interface_extends:google.pubsub.v1.StreamingPullResponse.SubscriptionProperties)
       com.google.protobuf.MessageOrBuilder {
 
     /**
-     *
-     *
      * 
        -     * True iff exactly once delivery is enabled for this subscription.
+     * Optional. True iff exactly once delivery is enabled for this
+     * subscription.
      * 
        
      *
-     * bool exactly_once_delivery_enabled = 1;
-     *
+     * bool exactly_once_delivery_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The exactlyOnceDeliveryEnabled.
      */
     boolean getExactlyOnceDeliveryEnabled();
 
     /**
-     *
-     *
      * 
        -     * True iff message ordering is enabled for this subscription.
+     * Optional. True iff message ordering is enabled for this subscription.
      * 
        
      *
-     * bool message_ordering_enabled = 2;
-     *
+     * bool message_ordering_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The messageOrderingEnabled.
      */
     boolean getMessageOrderingEnabled();
   }
   /**
-   *
-   *
    * 
            * Subscription properties sent as part of the response.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.StreamingPullResponse.SubscriptionProperties}
    */
-  public static final class SubscriptionProperties extends com.google.protobuf.GeneratedMessageV3
-      implements
+  public static final class SubscriptionProperties extends
+      com.google.protobuf.GeneratedMessageV3 implements
       // @@protoc_insertion_point(message_implements:google.pubsub.v1.StreamingPullResponse.SubscriptionProperties)
       SubscriptionPropertiesOrBuilder {
-    private static final long serialVersionUID = 0L;
+  private static final long serialVersionUID = 0L;
     // Use SubscriptionProperties.newBuilder() to construct.
     private SubscriptionProperties(com.google.protobuf.GeneratedMessageV3.Builder builder) {
       super(builder);
     }
-
-    private SubscriptionProperties() {}
+    private SubscriptionProperties() {
+    }
 
     @java.lang.Override
     @SuppressWarnings({"unused"})
-    protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+    protected java.lang.Object newInstance(
+        UnusedPrivateParameter unused) {
       return new SubscriptionProperties();
     }
 
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.class,
-              com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder.class);
+              com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.class, com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder.class);
     }
 
     public static final int EXACTLY_ONCE_DELIVERY_ENABLED_FIELD_NUMBER = 1;
     private boolean exactlyOnceDeliveryEnabled_ = false;
     /**
-     *
-     *
      * 
        -     * True iff exactly once delivery is enabled for this subscription.
+     * Optional. True iff exactly once delivery is enabled for this
+     * subscription.
      * 
        
      *
-     * bool exactly_once_delivery_enabled = 1;
-     *
+     * bool exactly_once_delivery_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];
      * @return The exactlyOnceDeliveryEnabled.
      */
     @java.lang.Override
@@ -3403,14 +2997,11 @@ public boolean getExactlyOnceDeliveryEnabled() {
     public static final int MESSAGE_ORDERING_ENABLED_FIELD_NUMBER = 2;
     private boolean messageOrderingEnabled_ = false;
     /**
-     *
-     *
      * 
        -     * True iff message ordering is enabled for this subscription.
+     * Optional. True iff message ordering is enabled for this subscription.
      * 
        
      *
-     * bool message_ordering_enabled = 2;
-     *
+     * bool message_ordering_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];
      * @return The messageOrderingEnabled.
      */
     @java.lang.Override
@@ -3419,7 +3010,6 @@ public boolean getMessageOrderingEnabled() {
     }
 
     private byte memoizedIsInitialized = -1;
-
     @java.lang.Override
     public final boolean isInitialized() {
       byte isInitialized = memoizedIsInitialized;
@@ -3431,7 +3021,8 @@ public final boolean isInitialized() {
     }
 
     @java.lang.Override
-    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
       if (exactlyOnceDeliveryEnabled_ != false) {
         output.writeBool(1, exactlyOnceDeliveryEnabled_);
       }
@@ -3448,11 +3039,12 @@ public int getSerializedSize() {
 
       size = 0;
       if (exactlyOnceDeliveryEnabled_ != false) {
-        size +=
-            com.google.protobuf.CodedOutputStream.computeBoolSize(1, exactlyOnceDeliveryEnabled_);
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(1, exactlyOnceDeliveryEnabled_);
       }
       if (messageOrderingEnabled_ != false) {
-        size += com.google.protobuf.CodedOutputStream.computeBoolSize(2, messageOrderingEnabled_);
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(2, messageOrderingEnabled_);
       }
       size += getUnknownFields().getSerializedSize();
       memoizedSize = size;
@@ -3462,16 +3054,17 @@ public int getSerializedSize() {
     @java.lang.Override
     public boolean equals(final java.lang.Object obj) {
       if (obj == this) {
-        return true;
+       return true;
       }
       if (!(obj instanceof com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties)) {
         return super.equals(obj);
       }
-      com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties other =
-          (com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties) obj;
+      com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties other = (com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties) obj;
 
-      if (getExactlyOnceDeliveryEnabled() != other.getExactlyOnceDeliveryEnabled()) return false;
-      if (getMessageOrderingEnabled() != other.getMessageOrderingEnabled()) return false;
+      if (getExactlyOnceDeliveryEnabled()
+          != other.getExactlyOnceDeliveryEnabled()) return false;
+      if (getMessageOrderingEnabled()
+          != other.getMessageOrderingEnabled()) return false;
       if (!getUnknownFields().equals(other.getUnknownFields())) return false;
       return true;
     }
@@ -3484,105 +3077,100 @@ public int hashCode() {
       int hash = 41;
       hash = (19 * hash) + getDescriptor().hashCode();
       hash = (37 * hash) + EXACTLY_ONCE_DELIVERY_ENABLED_FIELD_NUMBER;
-      hash =
-          (53 * hash) + com.google.protobuf.Internal.hashBoolean(getExactlyOnceDeliveryEnabled());
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+          getExactlyOnceDeliveryEnabled());
       hash = (37 * hash) + MESSAGE_ORDERING_ENABLED_FIELD_NUMBER;
-      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getMessageOrderingEnabled());
+      hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+          getMessageOrderingEnabled());
       hash = (29 * hash) + getUnknownFields().hashCode();
       memoizedHashCode = hash;
       return hash;
     }
 
     public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
-        java.nio.ByteBuffer data) throws com.google.protobuf.InvalidProtocolBufferException {
+        java.nio.ByteBuffer data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
-        java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.nio.ByteBuffer data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
         com.google.protobuf.ByteString data)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
         com.google.protobuf.ByteString data,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
-        byte[] data) throws com.google.protobuf.InvalidProtocolBufferException {
+    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
-        byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws com.google.protobuf.InvalidProtocolBufferException {
       return PARSER.parseFrom(data, extensionRegistry);
     }
-
-    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
-        java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
-        java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-        parseDelimitedFrom(java.io.InputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input);
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-        parseDelimitedFrom(
-            java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-          PARSER, input, extensionRegistry);
+    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
-        com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input);
     }
-
     public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties parseFrom(
         com.google.protobuf.CodedInputStream input,
         com.google.protobuf.ExtensionRegistryLite extensionRegistry)
         throws java.io.IOException {
-      return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-          PARSER, input, extensionRegistry);
+      return com.google.protobuf.GeneratedMessageV3
+          .parseWithIOException(PARSER, input, extensionRegistry);
     }
 
     @java.lang.Override
-    public Builder newBuilderForType() {
-      return newBuilder();
-    }
-
+    public Builder newBuilderForType() { return newBuilder(); }
     public static Builder newBuilder() {
       return DEFAULT_INSTANCE.toBuilder();
     }
-
-    public static Builder newBuilder(
-        com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties prototype) {
+    public static Builder newBuilder(com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties prototype) {
       return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
     }
-
     @java.lang.Override
     public Builder toBuilder() {
-      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+      return this == DEFAULT_INSTANCE
+          ? new Builder() : new Builder().mergeFrom(this);
     }
 
     @java.lang.Override
@@ -3592,42 +3180,39 @@ protected Builder newBuilderForType(
       return builder;
     }
     /**
-     *
-     *
      * 
              * Subscription properties sent as part of the response.
      * 
        
      *
      * Protobuf type {@code google.pubsub.v1.StreamingPullResponse.SubscriptionProperties}
      */
-    public static final class Builder
-        extends com.google.protobuf.GeneratedMessageV3.Builder
-        implements
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessageV3.Builder implements
         // @@protoc_insertion_point(builder_implements:google.pubsub.v1.StreamingPullResponse.SubscriptionProperties)
         com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder {
-      public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_descriptor;
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_descriptor;
       }
 
       @java.lang.Override
       protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
           internalGetFieldAccessorTable() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_fieldAccessorTable
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_fieldAccessorTable
             .ensureFieldAccessorsInitialized(
-                com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.class,
-                com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder.class);
+                com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.class, com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder.class);
       }
 
-      // Construct using
-      // com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.newBuilder()
-      private Builder() {}
+      // Construct using com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.newBuilder()
+      private Builder() {
 
-      private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-        super(parent);
       }
 
+      private Builder(
+          com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+        super(parent);
+
+      }
       @java.lang.Override
       public Builder clear() {
         super.clear();
@@ -3638,16 +3223,14 @@ public Builder clear() {
       }
 
       @java.lang.Override
-      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-        return com.google.pubsub.v1.PubsubProto
-            .internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_descriptor;
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_SubscriptionProperties_descriptor;
       }
 
       @java.lang.Override
-      public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-          getDefaultInstanceForType() {
-        return com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-            .getDefaultInstance();
+      public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties getDefaultInstanceForType() {
+        return com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance();
       }
 
       @java.lang.Override
@@ -3661,17 +3244,13 @@ public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties build()
 
       @java.lang.Override
       public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties buildPartial() {
-        com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties result =
-            new com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties(this);
-        if (bitField0_ != 0) {
-          buildPartial0(result);
-        }
+        com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties result = new com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties(this);
+        if (bitField0_ != 0) { buildPartial0(result); }
         onBuilt();
         return result;
       }
 
-      private void buildPartial0(
-          com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties result) {
+      private void buildPartial0(com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties result) {
         int from_bitField0_ = bitField0_;
         if (((from_bitField0_ & 0x00000001) != 0)) {
           result.exactlyOnceDeliveryEnabled_ = exactlyOnceDeliveryEnabled_;
@@ -3685,53 +3264,46 @@ private void buildPartial0(
       public Builder clone() {
         return super.clone();
       }
-
       @java.lang.Override
       public Builder setField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.setField(field, value);
       }
-
       @java.lang.Override
-      public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+      public Builder clearField(
+          com.google.protobuf.Descriptors.FieldDescriptor field) {
         return super.clearField(field);
       }
-
       @java.lang.Override
-      public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+      public Builder clearOneof(
+          com.google.protobuf.Descriptors.OneofDescriptor oneof) {
         return super.clearOneof(oneof);
       }
-
       @java.lang.Override
       public Builder setRepeatedField(
           com.google.protobuf.Descriptors.FieldDescriptor field,
-          int index,
-          java.lang.Object value) {
+          int index, java.lang.Object value) {
         return super.setRepeatedField(field, index, value);
       }
-
       @java.lang.Override
       public Builder addRepeatedField(
-          com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+          com.google.protobuf.Descriptors.FieldDescriptor field,
+          java.lang.Object value) {
         return super.addRepeatedField(field, value);
       }
-
       @java.lang.Override
       public Builder mergeFrom(com.google.protobuf.Message other) {
         if (other instanceof com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties) {
-          return mergeFrom(
-              (com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties) other);
+          return mergeFrom((com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties)other);
         } else {
           super.mergeFrom(other);
           return this;
         }
       }
 
-      public Builder mergeFrom(
-          com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties other) {
-        if (other
-            == com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-                .getDefaultInstance()) return this;
+      public Builder mergeFrom(com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties other) {
+        if (other == com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance()) return this;
         if (other.getExactlyOnceDeliveryEnabled() != false) {
           setExactlyOnceDeliveryEnabled(other.getExactlyOnceDeliveryEnabled());
         }
@@ -3764,25 +3336,22 @@ public Builder mergeFrom(
               case 0:
                 done = true;
                 break;
-              case 8:
-                {
-                  exactlyOnceDeliveryEnabled_ = input.readBool();
-                  bitField0_ |= 0x00000001;
-                  break;
-                } // case 8
-              case 16:
-                {
-                  messageOrderingEnabled_ = input.readBool();
-                  bitField0_ |= 0x00000002;
-                  break;
-                } // case 16
-              default:
-                {
-                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                    done = true; // was an endgroup tag
-                  }
-                  break;
-                } // default:
+              case 8: {
+                exactlyOnceDeliveryEnabled_ = input.readBool();
+                bitField0_ |= 0x00000001;
+                break;
+              } // case 8
+              case 16: {
+                messageOrderingEnabled_ = input.readBool();
+                bitField0_ |= 0x00000002;
+                break;
+              } // case 16
+              default: {
+                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                  done = true; // was an endgroup tag
+                }
+                break;
+              } // default:
             } // switch (tag)
           } // while (!done)
         } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -3792,19 +3361,16 @@ public Builder mergeFrom(
         } // finally
         return this;
       }
-
       private int bitField0_;
 
-      private boolean exactlyOnceDeliveryEnabled_;
+      private boolean exactlyOnceDeliveryEnabled_ ;
       /**
-       *
-       *
        * 
        -       * True iff exactly once delivery is enabled for this subscription.
+       * Optional. True iff exactly once delivery is enabled for this
+       * subscription.
        * 
        
        *
-       * bool exactly_once_delivery_enabled = 1;
-       *
+       * bool exactly_once_delivery_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return The exactlyOnceDeliveryEnabled.
        */
       @java.lang.Override
@@ -3812,14 +3378,12 @@ public boolean getExactlyOnceDeliveryEnabled() {
         return exactlyOnceDeliveryEnabled_;
       }
       /**
-       *
-       *
        * 
        -       * True iff exactly once delivery is enabled for this subscription.
+       * Optional. True iff exactly once delivery is enabled for this
+       * subscription.
        * 
        
        *
-       * bool exactly_once_delivery_enabled = 1;
-       *
+       * bool exactly_once_delivery_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The exactlyOnceDeliveryEnabled to set.
        * @return This builder for chaining.
        */
@@ -3831,14 +3395,12 @@ public Builder setExactlyOnceDeliveryEnabled(boolean value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * True iff exactly once delivery is enabled for this subscription.
+       * Optional. True iff exactly once delivery is enabled for this
+       * subscription.
        * 
        
        *
-       * bool exactly_once_delivery_enabled = 1;
-       *
+       * bool exactly_once_delivery_enabled = 1 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearExactlyOnceDeliveryEnabled() {
@@ -3848,16 +3410,13 @@ public Builder clearExactlyOnceDeliveryEnabled() {
         return this;
       }
 
-      private boolean messageOrderingEnabled_;
+      private boolean messageOrderingEnabled_ ;
       /**
-       *
-       *
        * 
        -       * True iff message ordering is enabled for this subscription.
+       * Optional. True iff message ordering is enabled for this subscription.
        * 
        
        *
-       * bool message_ordering_enabled = 2;
-       *
+       * bool message_ordering_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return The messageOrderingEnabled.
        */
       @java.lang.Override
@@ -3865,14 +3424,11 @@ public boolean getMessageOrderingEnabled() {
         return messageOrderingEnabled_;
       }
       /**
-       *
-       *
        * 
        -       * True iff message ordering is enabled for this subscription.
+       * Optional. True iff message ordering is enabled for this subscription.
        * 
        
        *
-       * bool message_ordering_enabled = 2;
-       *
+       * bool message_ordering_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @param value The messageOrderingEnabled to set.
        * @return This builder for chaining.
        */
@@ -3884,14 +3440,11 @@ public Builder setMessageOrderingEnabled(boolean value) {
         return this;
       }
       /**
-       *
-       *
        * 
        -       * True iff message ordering is enabled for this subscription.
+       * Optional. True iff message ordering is enabled for this subscription.
        * 
        
        *
-       * bool message_ordering_enabled = 2;
-       *
+       * bool message_ordering_enabled = 2 [(.google.api.field_behavior) = OPTIONAL];
        * @return This builder for chaining.
        */
       public Builder clearMessageOrderingEnabled() {
@@ -3900,7 +3453,6 @@ public Builder clearMessageOrderingEnabled() {
         onChanged();
         return this;
       }
-
       @java.lang.Override
       public final Builder setUnknownFields(
           final com.google.protobuf.UnknownFieldSet unknownFields) {
@@ -3913,44 +3465,41 @@ public final Builder mergeUnknownFields(
         return super.mergeUnknownFields(unknownFields);
       }
 
+
       // @@protoc_insertion_point(builder_scope:google.pubsub.v1.StreamingPullResponse.SubscriptionProperties)
     }
 
     // @@protoc_insertion_point(class_scope:google.pubsub.v1.StreamingPullResponse.SubscriptionProperties)
-    private static final com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-        DEFAULT_INSTANCE;
-
+    private static final com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties DEFAULT_INSTANCE;
     static {
       DEFAULT_INSTANCE = new com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties();
     }
 
-    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-        getDefaultInstance() {
+    public static com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties getDefaultInstance() {
       return DEFAULT_INSTANCE;
     }
 
-    private static final com.google.protobuf.Parser PARSER =
-        new com.google.protobuf.AbstractParser() {
-          @java.lang.Override
-          public SubscriptionProperties parsePartialFrom(
-              com.google.protobuf.CodedInputStream input,
-              com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-              throws com.google.protobuf.InvalidProtocolBufferException {
-            Builder builder = newBuilder();
-            try {
-              builder.mergeFrom(input, extensionRegistry);
-            } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-              throw e.setUnfinishedMessage(builder.buildPartial());
-            } catch (com.google.protobuf.UninitializedMessageException e) {
-              throw e.asInvalidProtocolBufferException()
-                  .setUnfinishedMessage(builder.buildPartial());
-            } catch (java.io.IOException e) {
-              throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                  .setUnfinishedMessage(builder.buildPartial());
-            }
-            return builder.buildPartial();
-          }
-        };
+    private static final com.google.protobuf.Parser
+        PARSER = new com.google.protobuf.AbstractParser() {
+      @java.lang.Override
+      public SubscriptionProperties parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        Builder builder = newBuilder();
+        try {
+          builder.mergeFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          throw e.setUnfinishedMessage(builder.buildPartial());
+        } catch (com.google.protobuf.UninitializedMessageException e) {
+          throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+        } catch (java.io.IOException e) {
+          throw new com.google.protobuf.InvalidProtocolBufferException(e)
+              .setUnfinishedMessage(builder.buildPartial());
+        }
+        return builder.buildPartial();
+      }
+    };
 
     public static com.google.protobuf.Parser parser() {
       return PARSER;
@@ -3962,98 +3511,82 @@ public com.google.protobuf.Parser getParserForType() {
     }
 
     @java.lang.Override
-    public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-        getDefaultInstanceForType() {
+    public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties getDefaultInstanceForType() {
       return DEFAULT_INSTANCE;
     }
+
   }
 
   public static final int RECEIVED_MESSAGES_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private java.util.List receivedMessages_;
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. This will not be empty.
+   * Optional. Received Pub/Sub messages. This will not be empty.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.List getReceivedMessagesList() {
     return receivedMessages_;
   }
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. This will not be empty.
+   * Optional. Received Pub/Sub messages. This will not be empty.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.util.List
+  public java.util.List 
       getReceivedMessagesOrBuilderList() {
     return receivedMessages_;
   }
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. This will not be empty.
+   * Optional. Received Pub/Sub messages. This will not be empty.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public int getReceivedMessagesCount() {
     return receivedMessages_.size();
   }
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. This will not be empty.
+   * Optional. Received Pub/Sub messages. This will not be empty.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index) {
     return receivedMessages_.get(index);
   }
   /**
-   *
-   *
    * 
        -   * Received Pub/Sub messages. This will not be empty.
+   * Optional. Received Pub/Sub messages. This will not be empty.
    * 
        
    *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(int index) {
+  public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(
+      int index) {
     return receivedMessages_.get(index);
   }
 
   public static final int ACKNOWLEDGE_CONFIRMATION_FIELD_NUMBER = 5;
-  private com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-      acknowledgeConfirmation_;
+  private com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledgeConfirmation_;
   /**
-   *
-   *
    * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
+   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-   * 
-   *
+   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the acknowledgeConfirmation field is set.
    */
   @java.lang.Override
@@ -4061,61 +3594,40 @@ public boolean hasAcknowledgeConfirmation() {
     return acknowledgeConfirmation_ != null;
   }
   /**
-   *
-   *
    * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
+   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-   * 
-   *
+   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The acknowledgeConfirmation.
    */
   @java.lang.Override
-  public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-      getAcknowledgeConfirmation() {
-    return acknowledgeConfirmation_ == null
-        ? com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance()
-        : acknowledgeConfirmation_;
+  public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation getAcknowledgeConfirmation() {
+    return acknowledgeConfirmation_ == null ? com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance() : acknowledgeConfirmation_;
   }
   /**
-   *
-   *
    * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
+   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-   * 
+   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder
-      getAcknowledgeConfirmationOrBuilder() {
-    return acknowledgeConfirmation_ == null
-        ? com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance()
-        : acknowledgeConfirmation_;
+  public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder getAcknowledgeConfirmationOrBuilder() {
+    return acknowledgeConfirmation_ == null ? com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance() : acknowledgeConfirmation_;
   }
 
   public static final int MODIFY_ACK_DEADLINE_CONFIRMATION_FIELD_NUMBER = 3;
-  private com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-      modifyAckDeadlineConfirmation_;
+  private com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modifyAckDeadlineConfirmation_;
   /**
-   *
-   *
    * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
+   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-   * 
-   *
+   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the modifyAckDeadlineConfirmation field is set.
    */
   @java.lang.Override
@@ -4123,61 +3635,39 @@ public boolean hasModifyAckDeadlineConfirmation() {
     return modifyAckDeadlineConfirmation_ != null;
   }
   /**
-   *
-   *
    * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
+   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-   * 
-   *
+   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The modifyAckDeadlineConfirmation.
    */
   @java.lang.Override
-  public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-      getModifyAckDeadlineConfirmation() {
-    return modifyAckDeadlineConfirmation_ == null
-        ? com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-            .getDefaultInstance()
-        : modifyAckDeadlineConfirmation_;
+  public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation getModifyAckDeadlineConfirmation() {
+    return modifyAckDeadlineConfirmation_ == null ? com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.getDefaultInstance() : modifyAckDeadlineConfirmation_;
   }
   /**
-   *
-   *
    * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
+   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-   * 
+   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder
-      getModifyAckDeadlineConfirmationOrBuilder() {
-    return modifyAckDeadlineConfirmation_ == null
-        ? com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-            .getDefaultInstance()
-        : modifyAckDeadlineConfirmation_;
+  public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder getModifyAckDeadlineConfirmationOrBuilder() {
+    return modifyAckDeadlineConfirmation_ == null ? com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.getDefaultInstance() : modifyAckDeadlineConfirmation_;
   }
 
   public static final int SUBSCRIPTION_PROPERTIES_FIELD_NUMBER = 4;
   private com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscriptionProperties_;
   /**
-   *
-   *
    * 
        -   * Properties associated with this subscription.
+   * Optional. Properties associated with this subscription.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-   * 
-   *
+   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the subscriptionProperties field is set.
    */
   @java.lang.Override
@@ -4185,46 +3675,30 @@ public boolean hasSubscriptionProperties() {
     return subscriptionProperties_ != null;
   }
   /**
-   *
-   *
    * 
        -   * Properties associated with this subscription.
+   * Optional. Properties associated with this subscription.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-   * 
-   *
+   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The subscriptionProperties.
    */
   @java.lang.Override
-  public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-      getSubscriptionProperties() {
-    return subscriptionProperties_ == null
-        ? com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance()
-        : subscriptionProperties_;
+  public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties getSubscriptionProperties() {
+    return subscriptionProperties_ == null ? com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance() : subscriptionProperties_;
   }
   /**
-   *
-   *
    * 
        -   * Properties associated with this subscription.
+   * Optional. Properties associated with this subscription.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-   * 
+   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder
-      getSubscriptionPropertiesOrBuilder() {
-    return subscriptionProperties_ == null
-        ? com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance()
-        : subscriptionProperties_;
+  public com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder getSubscriptionPropertiesOrBuilder() {
+    return subscriptionProperties_ == null ? com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance() : subscriptionProperties_;
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -4236,7 +3710,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     for (int i = 0; i < receivedMessages_.size(); i++) {
       output.writeMessage(1, receivedMessages_.get(i));
     }
@@ -4259,20 +3734,20 @@ public int getSerializedSize() {
 
     size = 0;
     for (int i = 0; i < receivedMessages_.size(); i++) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, receivedMessages_.get(i));
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, receivedMessages_.get(i));
     }
     if (modifyAckDeadlineConfirmation_ != null) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              3, getModifyAckDeadlineConfirmation());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(3, getModifyAckDeadlineConfirmation());
     }
     if (subscriptionProperties_ != null) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(4, getSubscriptionProperties());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(4, getSubscriptionProperties());
     }
     if (acknowledgeConfirmation_ != null) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(5, getAcknowledgeConfirmation());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(5, getAcknowledgeConfirmation());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -4282,28 +3757,29 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.StreamingPullResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.StreamingPullResponse other =
-        (com.google.pubsub.v1.StreamingPullResponse) obj;
+    com.google.pubsub.v1.StreamingPullResponse other = (com.google.pubsub.v1.StreamingPullResponse) obj;
 
-    if (!getReceivedMessagesList().equals(other.getReceivedMessagesList())) return false;
+    if (!getReceivedMessagesList()
+        .equals(other.getReceivedMessagesList())) return false;
     if (hasAcknowledgeConfirmation() != other.hasAcknowledgeConfirmation()) return false;
     if (hasAcknowledgeConfirmation()) {
-      if (!getAcknowledgeConfirmation().equals(other.getAcknowledgeConfirmation())) return false;
+      if (!getAcknowledgeConfirmation()
+          .equals(other.getAcknowledgeConfirmation())) return false;
     }
-    if (hasModifyAckDeadlineConfirmation() != other.hasModifyAckDeadlineConfirmation())
-      return false;
+    if (hasModifyAckDeadlineConfirmation() != other.hasModifyAckDeadlineConfirmation()) return false;
     if (hasModifyAckDeadlineConfirmation()) {
-      if (!getModifyAckDeadlineConfirmation().equals(other.getModifyAckDeadlineConfirmation()))
-        return false;
+      if (!getModifyAckDeadlineConfirmation()
+          .equals(other.getModifyAckDeadlineConfirmation())) return false;
     }
     if (hasSubscriptionProperties() != other.hasSubscriptionProperties()) return false;
     if (hasSubscriptionProperties()) {
-      if (!getSubscriptionProperties().equals(other.getSubscriptionProperties())) return false;
+      if (!getSubscriptionProperties()
+          .equals(other.getSubscriptionProperties())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -4337,104 +3813,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.StreamingPullResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.StreamingPullResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.StreamingPullResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.StreamingPullResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.StreamingPullResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.StreamingPullResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.StreamingPullResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `StreamingPull` method. This response is used to stream
    * messages from the server to the client.
@@ -4442,32 +3913,33 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.StreamingPullResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.StreamingPullResponse)
       com.google.pubsub.v1.StreamingPullResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.StreamingPullResponse.class,
-              com.google.pubsub.v1.StreamingPullResponse.Builder.class);
+              com.google.pubsub.v1.StreamingPullResponse.class, com.google.pubsub.v1.StreamingPullResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.StreamingPullResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -4498,9 +3970,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_StreamingPullResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_StreamingPullResponse_descriptor;
     }
 
     @java.lang.Override
@@ -4519,12 +3991,9 @@ public com.google.pubsub.v1.StreamingPullResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.StreamingPullResponse buildPartial() {
-      com.google.pubsub.v1.StreamingPullResponse result =
-          new com.google.pubsub.v1.StreamingPullResponse(this);
+      com.google.pubsub.v1.StreamingPullResponse result = new com.google.pubsub.v1.StreamingPullResponse(this);
       buildPartialRepeatedFields(result);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -4544,22 +4013,19 @@ private void buildPartialRepeatedFields(com.google.pubsub.v1.StreamingPullRespon
     private void buildPartial0(com.google.pubsub.v1.StreamingPullResponse result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.acknowledgeConfirmation_ =
-            acknowledgeConfirmationBuilder_ == null
-                ? acknowledgeConfirmation_
-                : acknowledgeConfirmationBuilder_.build();
+        result.acknowledgeConfirmation_ = acknowledgeConfirmationBuilder_ == null
+            ? acknowledgeConfirmation_
+            : acknowledgeConfirmationBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000004) != 0)) {
-        result.modifyAckDeadlineConfirmation_ =
-            modifyAckDeadlineConfirmationBuilder_ == null
-                ? modifyAckDeadlineConfirmation_
-                : modifyAckDeadlineConfirmationBuilder_.build();
+        result.modifyAckDeadlineConfirmation_ = modifyAckDeadlineConfirmationBuilder_ == null
+            ? modifyAckDeadlineConfirmation_
+            : modifyAckDeadlineConfirmationBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000008) != 0)) {
-        result.subscriptionProperties_ =
-            subscriptionPropertiesBuilder_ == null
-                ? subscriptionProperties_
-                : subscriptionPropertiesBuilder_.build();
+        result.subscriptionProperties_ = subscriptionPropertiesBuilder_ == null
+            ? subscriptionProperties_
+            : subscriptionPropertiesBuilder_.build();
       }
     }
 
@@ -4567,39 +4033,38 @@ private void buildPartial0(com.google.pubsub.v1.StreamingPullResponse result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.StreamingPullResponse) {
-        return mergeFrom((com.google.pubsub.v1.StreamingPullResponse) other);
+        return mergeFrom((com.google.pubsub.v1.StreamingPullResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -4626,10 +4091,9 @@ public Builder mergeFrom(com.google.pubsub.v1.StreamingPullResponse other) {
             receivedMessagesBuilder_ = null;
             receivedMessages_ = other.receivedMessages_;
             bitField0_ = (bitField0_ & ~0x00000001);
-            receivedMessagesBuilder_ =
-                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
-                    ? getReceivedMessagesFieldBuilder()
-                    : null;
+            receivedMessagesBuilder_ = 
+              com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders ?
+                 getReceivedMessagesFieldBuilder() : null;
           } else {
             receivedMessagesBuilder_.addAllMessages(other.receivedMessages_);
           }
@@ -4670,47 +4134,46 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                com.google.pubsub.v1.ReceivedMessage m =
-                    input.readMessage(
-                        com.google.pubsub.v1.ReceivedMessage.parser(), extensionRegistry);
-                if (receivedMessagesBuilder_ == null) {
-                  ensureReceivedMessagesIsMutable();
-                  receivedMessages_.add(m);
-                } else {
-                  receivedMessagesBuilder_.addMessage(m);
-                }
-                break;
-              } // case 10
-            case 26:
-              {
-                input.readMessage(
-                    getModifyAckDeadlineConfirmationFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            case 34:
-              {
-                input.readMessage(
-                    getSubscriptionPropertiesFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 34
-            case 42:
-              {
-                input.readMessage(
-                    getAcknowledgeConfirmationFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 42
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              com.google.pubsub.v1.ReceivedMessage m =
+                  input.readMessage(
+                      com.google.pubsub.v1.ReceivedMessage.parser(),
+                      extensionRegistry);
+              if (receivedMessagesBuilder_ == null) {
+                ensureReceivedMessagesIsMutable();
+                receivedMessages_.add(m);
+              } else {
+                receivedMessagesBuilder_.addMessage(m);
+              }
+              break;
+            } // case 10
+            case 26: {
+              input.readMessage(
+                  getModifyAckDeadlineConfirmationFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            case 34: {
+              input.readMessage(
+                  getSubscriptionPropertiesFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 34
+            case 42: {
+              input.readMessage(
+                  getAcknowledgeConfirmationFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 42
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -4720,34 +4183,26 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.util.List receivedMessages_ =
-        java.util.Collections.emptyList();
-
+      java.util.Collections.emptyList();
     private void ensureReceivedMessagesIsMutable() {
       if (!((bitField0_ & 0x00000001) != 0)) {
-        receivedMessages_ =
-            new java.util.ArrayList(receivedMessages_);
+        receivedMessages_ = new java.util.ArrayList(receivedMessages_);
         bitField0_ |= 0x00000001;
-      }
+       }
     }
 
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.ReceivedMessage,
-            com.google.pubsub.v1.ReceivedMessage.Builder,
-            com.google.pubsub.v1.ReceivedMessageOrBuilder>
-        receivedMessagesBuilder_;
+        com.google.pubsub.v1.ReceivedMessage, com.google.pubsub.v1.ReceivedMessage.Builder, com.google.pubsub.v1.ReceivedMessageOrBuilder> receivedMessagesBuilder_;
 
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public java.util.List getReceivedMessagesList() {
       if (receivedMessagesBuilder_ == null) {
@@ -4757,13 +4212,11 @@ public java.util.List getReceivedMessagesL
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public int getReceivedMessagesCount() {
       if (receivedMessagesBuilder_ == null) {
@@ -4773,13 +4226,11 @@ public int getReceivedMessagesCount() {
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index) {
       if (receivedMessagesBuilder_ == null) {
@@ -4789,15 +4240,14 @@ public com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index) {
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setReceivedMessages(int index, com.google.pubsub.v1.ReceivedMessage value) {
+    public Builder setReceivedMessages(
+        int index, com.google.pubsub.v1.ReceivedMessage value) {
       if (receivedMessagesBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -4811,13 +4261,11 @@ public Builder setReceivedMessages(int index, com.google.pubsub.v1.ReceivedMessa
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setReceivedMessages(
         int index, com.google.pubsub.v1.ReceivedMessage.Builder builderForValue) {
@@ -4831,13 +4279,11 @@ public Builder setReceivedMessages(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addReceivedMessages(com.google.pubsub.v1.ReceivedMessage value) {
       if (receivedMessagesBuilder_ == null) {
@@ -4853,15 +4299,14 @@ public Builder addReceivedMessages(com.google.pubsub.v1.ReceivedMessage value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder addReceivedMessages(int index, com.google.pubsub.v1.ReceivedMessage value) {
+    public Builder addReceivedMessages(
+        int index, com.google.pubsub.v1.ReceivedMessage value) {
       if (receivedMessagesBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -4875,13 +4320,11 @@ public Builder addReceivedMessages(int index, com.google.pubsub.v1.ReceivedMessa
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addReceivedMessages(
         com.google.pubsub.v1.ReceivedMessage.Builder builderForValue) {
@@ -4895,13 +4338,11 @@ public Builder addReceivedMessages(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addReceivedMessages(
         int index, com.google.pubsub.v1.ReceivedMessage.Builder builderForValue) {
@@ -4915,19 +4356,18 @@ public Builder addReceivedMessages(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder addAllReceivedMessages(
         java.lang.Iterable values) {
       if (receivedMessagesBuilder_ == null) {
         ensureReceivedMessagesIsMutable();
-        com.google.protobuf.AbstractMessageLite.Builder.addAll(values, receivedMessages_);
+        com.google.protobuf.AbstractMessageLite.Builder.addAll(
+            values, receivedMessages_);
         onChanged();
       } else {
         receivedMessagesBuilder_.addAllMessages(values);
@@ -4935,13 +4375,11 @@ public Builder addAllReceivedMessages(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearReceivedMessages() {
       if (receivedMessagesBuilder_ == null) {
@@ -4954,13 +4392,11 @@ public Builder clearReceivedMessages() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder removeReceivedMessages(int index) {
       if (receivedMessagesBuilder_ == null) {
@@ -4973,44 +4409,39 @@ public Builder removeReceivedMessages(int index) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.ReceivedMessage.Builder getReceivedMessagesBuilder(int index) {
+    public com.google.pubsub.v1.ReceivedMessage.Builder getReceivedMessagesBuilder(
+        int index) {
       return getReceivedMessagesFieldBuilder().getBuilder(index);
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(int index) {
+    public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(
+        int index) {
       if (receivedMessagesBuilder_ == null) {
-        return receivedMessages_.get(index);
-      } else {
+        return receivedMessages_.get(index);  } else {
         return receivedMessagesBuilder_.getMessageOrBuilder(index);
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List
-        getReceivedMessagesOrBuilderList() {
+    public java.util.List 
+         getReceivedMessagesOrBuilderList() {
       if (receivedMessagesBuilder_ != null) {
         return receivedMessagesBuilder_.getMessageOrBuilderList();
       } else {
@@ -5018,56 +4449,45 @@ public com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilde
       }
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.ReceivedMessage.Builder addReceivedMessagesBuilder() {
-      return getReceivedMessagesFieldBuilder()
-          .addBuilder(com.google.pubsub.v1.ReceivedMessage.getDefaultInstance());
+      return getReceivedMessagesFieldBuilder().addBuilder(
+          com.google.pubsub.v1.ReceivedMessage.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.ReceivedMessage.Builder addReceivedMessagesBuilder(int index) {
-      return getReceivedMessagesFieldBuilder()
-          .addBuilder(index, com.google.pubsub.v1.ReceivedMessage.getDefaultInstance());
+    public com.google.pubsub.v1.ReceivedMessage.Builder addReceivedMessagesBuilder(
+        int index) {
+      return getReceivedMessagesFieldBuilder().addBuilder(
+          index, com.google.pubsub.v1.ReceivedMessage.getDefaultInstance());
     }
     /**
-     *
-     *
      * 
        -     * Received Pub/Sub messages. This will not be empty.
+     * Optional. Received Pub/Sub messages. This will not be empty.
      * 
        
      *
-     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
+     * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public java.util.List
-        getReceivedMessagesBuilderList() {
+    public java.util.List 
+         getReceivedMessagesBuilderList() {
       return getReceivedMessagesFieldBuilder().getBuilderList();
     }
-
     private com.google.protobuf.RepeatedFieldBuilderV3<
-            com.google.pubsub.v1.ReceivedMessage,
-            com.google.pubsub.v1.ReceivedMessage.Builder,
-            com.google.pubsub.v1.ReceivedMessageOrBuilder>
+        com.google.pubsub.v1.ReceivedMessage, com.google.pubsub.v1.ReceivedMessage.Builder, com.google.pubsub.v1.ReceivedMessageOrBuilder> 
         getReceivedMessagesFieldBuilder() {
       if (receivedMessagesBuilder_ == null) {
-        receivedMessagesBuilder_ =
-            new com.google.protobuf.RepeatedFieldBuilderV3<
-                com.google.pubsub.v1.ReceivedMessage,
-                com.google.pubsub.v1.ReceivedMessage.Builder,
-                com.google.pubsub.v1.ReceivedMessageOrBuilder>(
+        receivedMessagesBuilder_ = new com.google.protobuf.RepeatedFieldBuilderV3<
+            com.google.pubsub.v1.ReceivedMessage, com.google.pubsub.v1.ReceivedMessage.Builder, com.google.pubsub.v1.ReceivedMessageOrBuilder>(
                 receivedMessages_,
                 ((bitField0_ & 0x00000001) != 0),
                 getParentForChildren(),
@@ -5077,69 +4497,46 @@ public com.google.pubsub.v1.ReceivedMessage.Builder addReceivedMessagesBuilder(i
       return receivedMessagesBuilder_;
     }
 
-    private com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-        acknowledgeConfirmation_;
+    private com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledgeConfirmation_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation,
-            com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder,
-            com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder>
-        acknowledgeConfirmationBuilder_;
+        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation, com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder, com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder> acknowledgeConfirmationBuilder_;
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
-     *
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the acknowledgeConfirmation field is set.
      */
     public boolean hasAcknowledgeConfirmation() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
-     *
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return The acknowledgeConfirmation.
      */
-    public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-        getAcknowledgeConfirmation() {
+    public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation getAcknowledgeConfirmation() {
       if (acknowledgeConfirmationBuilder_ == null) {
-        return acknowledgeConfirmation_ == null
-            ? com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-                .getDefaultInstance()
-            : acknowledgeConfirmation_;
+        return acknowledgeConfirmation_ == null ? com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance() : acknowledgeConfirmation_;
       } else {
         return acknowledgeConfirmationBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setAcknowledgeConfirmation(
-        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation value) {
+    public Builder setAcknowledgeConfirmation(com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation value) {
       if (acknowledgeConfirmationBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -5153,20 +4550,15 @@ public Builder setAcknowledgeConfirmation(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setAcknowledgeConfirmation(
-        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder
-            builderForValue) {
+        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder builderForValue) {
       if (acknowledgeConfirmationBuilder_ == null) {
         acknowledgeConfirmation_ = builderForValue.build();
       } else {
@@ -5177,25 +4569,18 @@ public Builder setAcknowledgeConfirmation(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder mergeAcknowledgeConfirmation(
-        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation value) {
+    public Builder mergeAcknowledgeConfirmation(com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation value) {
       if (acknowledgeConfirmationBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && acknowledgeConfirmation_ != null
-            && acknowledgeConfirmation_
-                != com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-                    .getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          acknowledgeConfirmation_ != null &&
+          acknowledgeConfirmation_ != com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance()) {
           getAcknowledgeConfirmationBuilder().mergeFrom(value);
         } else {
           acknowledgeConfirmation_ = value;
@@ -5208,16 +4593,12 @@ public Builder mergeAcknowledgeConfirmation(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearAcknowledgeConfirmation() {
       bitField0_ = (bitField0_ & ~0x00000002);
@@ -5230,138 +4611,96 @@ public Builder clearAcknowledgeConfirmation() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder
-        getAcknowledgeConfirmationBuilder() {
+    public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder getAcknowledgeConfirmationBuilder() {
       bitField0_ |= 0x00000002;
       onChanged();
       return getAcknowledgeConfirmationFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder
-        getAcknowledgeConfirmationOrBuilder() {
+    public com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder getAcknowledgeConfirmationOrBuilder() {
       if (acknowledgeConfirmationBuilder_ != null) {
         return acknowledgeConfirmationBuilder_.getMessageOrBuilder();
       } else {
-        return acknowledgeConfirmation_ == null
-            ? com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation
-                .getDefaultInstance()
-            : acknowledgeConfirmation_;
+        return acknowledgeConfirmation_ == null ?
+            com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.getDefaultInstance() : acknowledgeConfirmation_;
       }
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation,
-            com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder,
-            com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder>
+        com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation, com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder, com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder> 
         getAcknowledgeConfirmationFieldBuilder() {
       if (acknowledgeConfirmationBuilder_ == null) {
-        acknowledgeConfirmationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation,
-                com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder,
-                com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder>(
-                getAcknowledgeConfirmation(), getParentForChildren(), isClean());
+        acknowledgeConfirmationBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation, com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation.Builder, com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder>(
+                getAcknowledgeConfirmation(),
+                getParentForChildren(),
+                isClean());
         acknowledgeConfirmation_ = null;
       }
       return acknowledgeConfirmationBuilder_;
     }
 
-    private com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        modifyAckDeadlineConfirmation_;
+    private com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modifyAckDeadlineConfirmation_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation,
-            com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder,
-            com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder>
-        modifyAckDeadlineConfirmationBuilder_;
+        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation, com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder, com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder> modifyAckDeadlineConfirmationBuilder_;
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
-     *
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the modifyAckDeadlineConfirmation field is set.
      */
     public boolean hasModifyAckDeadlineConfirmation() {
       return ((bitField0_ & 0x00000004) != 0);
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
-     *
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The modifyAckDeadlineConfirmation.
      */
-    public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-        getModifyAckDeadlineConfirmation() {
+    public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation getModifyAckDeadlineConfirmation() {
       if (modifyAckDeadlineConfirmationBuilder_ == null) {
-        return modifyAckDeadlineConfirmation_ == null
-            ? com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-                .getDefaultInstance()
-            : modifyAckDeadlineConfirmation_;
+        return modifyAckDeadlineConfirmation_ == null ? com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.getDefaultInstance() : modifyAckDeadlineConfirmation_;
       } else {
         return modifyAckDeadlineConfirmationBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setModifyAckDeadlineConfirmation(
-        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation value) {
+    public Builder setModifyAckDeadlineConfirmation(com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation value) {
       if (modifyAckDeadlineConfirmationBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -5375,20 +4714,15 @@ public Builder setModifyAckDeadlineConfirmation(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setModifyAckDeadlineConfirmation(
-        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder
-            builderForValue) {
+        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder builderForValue) {
       if (modifyAckDeadlineConfirmationBuilder_ == null) {
         modifyAckDeadlineConfirmation_ = builderForValue.build();
       } else {
@@ -5399,25 +4733,18 @@ public Builder setModifyAckDeadlineConfirmation(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder mergeModifyAckDeadlineConfirmation(
-        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation value) {
+    public Builder mergeModifyAckDeadlineConfirmation(com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation value) {
       if (modifyAckDeadlineConfirmationBuilder_ == null) {
-        if (((bitField0_ & 0x00000004) != 0)
-            && modifyAckDeadlineConfirmation_ != null
-            && modifyAckDeadlineConfirmation_
-                != com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-                    .getDefaultInstance()) {
+        if (((bitField0_ & 0x00000004) != 0) &&
+          modifyAckDeadlineConfirmation_ != null &&
+          modifyAckDeadlineConfirmation_ != com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.getDefaultInstance()) {
           getModifyAckDeadlineConfirmationBuilder().mergeFrom(value);
         } else {
           modifyAckDeadlineConfirmation_ = value;
@@ -5430,16 +4757,12 @@ public Builder mergeModifyAckDeadlineConfirmation(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearModifyAckDeadlineConfirmation() {
       bitField0_ = (bitField0_ & ~0x00000004);
@@ -5452,134 +4775,93 @@ public Builder clearModifyAckDeadlineConfirmation() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder
-        getModifyAckDeadlineConfirmationBuilder() {
+    public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder getModifyAckDeadlineConfirmationBuilder() {
       bitField0_ |= 0x00000004;
       onChanged();
       return getModifyAckDeadlineConfirmationFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder
-        getModifyAckDeadlineConfirmationOrBuilder() {
+    public com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder getModifyAckDeadlineConfirmationOrBuilder() {
       if (modifyAckDeadlineConfirmationBuilder_ != null) {
         return modifyAckDeadlineConfirmationBuilder_.getMessageOrBuilder();
       } else {
-        return modifyAckDeadlineConfirmation_ == null
-            ? com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-                .getDefaultInstance()
-            : modifyAckDeadlineConfirmation_;
+        return modifyAckDeadlineConfirmation_ == null ?
+            com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.getDefaultInstance() : modifyAckDeadlineConfirmation_;
       }
     }
     /**
-     *
-     *
      * 
        -     * This field will only be set if `enable_exactly_once_delivery` is set to
-     * `true`.
+     * Optional. This field will only be set if `enable_exactly_once_delivery` is
+     * set to `true`.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation,
-            com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder,
-            com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder>
+        com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation, com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder, com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder> 
         getModifyAckDeadlineConfirmationFieldBuilder() {
       if (modifyAckDeadlineConfirmationBuilder_ == null) {
-        modifyAckDeadlineConfirmationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation,
-                com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder,
-                com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder>(
-                getModifyAckDeadlineConfirmation(), getParentForChildren(), isClean());
+        modifyAckDeadlineConfirmationBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation, com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation.Builder, com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder>(
+                getModifyAckDeadlineConfirmation(),
+                getParentForChildren(),
+                isClean());
         modifyAckDeadlineConfirmation_ = null;
       }
       return modifyAckDeadlineConfirmationBuilder_;
     }
 
-    private com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-        subscriptionProperties_;
+    private com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscriptionProperties_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties,
-            com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder,
-            com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder>
-        subscriptionPropertiesBuilder_;
+        com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties, com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder, com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder> subscriptionPropertiesBuilder_;
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
-     *
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the subscriptionProperties field is set.
      */
     public boolean hasSubscriptionProperties() {
       return ((bitField0_ & 0x00000008) != 0);
     }
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
-     *
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The subscriptionProperties.
      */
-    public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-        getSubscriptionProperties() {
+    public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties getSubscriptionProperties() {
       if (subscriptionPropertiesBuilder_ == null) {
-        return subscriptionProperties_ == null
-            ? com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance()
-            : subscriptionProperties_;
+        return subscriptionProperties_ == null ? com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance() : subscriptionProperties_;
       } else {
         return subscriptionPropertiesBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setSubscriptionProperties(
-        com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties value) {
+    public Builder setSubscriptionProperties(com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties value) {
       if (subscriptionPropertiesBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -5593,15 +4875,11 @@ public Builder setSubscriptionProperties(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setSubscriptionProperties(
         com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder builderForValue) {
@@ -5615,24 +4893,17 @@ public Builder setSubscriptionProperties(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder mergeSubscriptionProperties(
-        com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties value) {
+    public Builder mergeSubscriptionProperties(com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties value) {
       if (subscriptionPropertiesBuilder_ == null) {
-        if (((bitField0_ & 0x00000008) != 0)
-            && subscriptionProperties_ != null
-            && subscriptionProperties_
-                != com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties
-                    .getDefaultInstance()) {
+        if (((bitField0_ & 0x00000008) != 0) &&
+          subscriptionProperties_ != null &&
+          subscriptionProperties_ != com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance()) {
           getSubscriptionPropertiesBuilder().mergeFrom(value);
         } else {
           subscriptionProperties_ = value;
@@ -5645,15 +4916,11 @@ public Builder mergeSubscriptionProperties(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearSubscriptionProperties() {
       bitField0_ = (bitField0_ & ~0x00000008);
@@ -5666,73 +4933,55 @@ public Builder clearSubscriptionProperties() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder
-        getSubscriptionPropertiesBuilder() {
+    public com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder getSubscriptionPropertiesBuilder() {
       bitField0_ |= 0x00000008;
       onChanged();
       return getSubscriptionPropertiesFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder
-        getSubscriptionPropertiesOrBuilder() {
+    public com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder getSubscriptionPropertiesOrBuilder() {
       if (subscriptionPropertiesBuilder_ != null) {
         return subscriptionPropertiesBuilder_.getMessageOrBuilder();
       } else {
-        return subscriptionProperties_ == null
-            ? com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance()
-            : subscriptionProperties_;
+        return subscriptionProperties_ == null ?
+            com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.getDefaultInstance() : subscriptionProperties_;
       }
     }
     /**
-     *
-     *
      * 
        -     * Properties associated with this subscription.
+     * Optional. Properties associated with this subscription.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-     * 
+     * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties,
-            com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder,
-            com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder>
+        com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties, com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder, com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder> 
         getSubscriptionPropertiesFieldBuilder() {
       if (subscriptionPropertiesBuilder_ == null) {
-        subscriptionPropertiesBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties,
-                com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder,
-                com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder>(
-                getSubscriptionProperties(), getParentForChildren(), isClean());
+        subscriptionPropertiesBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties, com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties.Builder, com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder>(
+                getSubscriptionProperties(),
+                getParentForChildren(),
+                isClean());
         subscriptionProperties_ = null;
       }
       return subscriptionPropertiesBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -5742,12 +4991,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.StreamingPullResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.StreamingPullResponse)
   private static final com.google.pubsub.v1.StreamingPullResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.StreamingPullResponse();
   }
@@ -5756,27 +5005,27 @@ public static com.google.pubsub.v1.StreamingPullResponse getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public StreamingPullResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public StreamingPullResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -5791,4 +5040,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.StreamingPullResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponseOrBuilder.java
new file mode 100644
index 000000000..5fa7fe295
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponseOrBuilder.java
@@ -0,0 +1,140 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/pubsub.proto
+
+package com.google.pubsub.v1;
+
+public interface StreamingPullResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.StreamingPullResponse)
+    com.google.protobuf.MessageOrBuilder {
+
+  /**
+   * 
        +   * Optional. Received Pub/Sub messages. This will not be empty.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.List 
+      getReceivedMessagesList();
+  /**
+   * 
        +   * Optional. Received Pub/Sub messages. This will not be empty.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index);
+  /**
+   * 
        +   * Optional. Received Pub/Sub messages. This will not be empty.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  int getReceivedMessagesCount();
+  /**
+   * 
        +   * Optional. Received Pub/Sub messages. This will not be empty.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  java.util.List 
+      getReceivedMessagesOrBuilderList();
+  /**
+   * 
        +   * Optional. Received Pub/Sub messages. This will not be empty.
+   * 
        
+   *
+   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(
+      int index);
+
+  /**
+   * 
        +   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the acknowledgeConfirmation field is set.
+   */
+  boolean hasAcknowledgeConfirmation();
+  /**
+   * 
        +   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The acknowledgeConfirmation.
+   */
+  com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation getAcknowledgeConfirmation();
+  /**
+   * 
        +   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder getAcknowledgeConfirmationOrBuilder();
+
+  /**
+   * 
        +   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the modifyAckDeadlineConfirmation field is set.
+   */
+  boolean hasModifyAckDeadlineConfirmation();
+  /**
+   * 
        +   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The modifyAckDeadlineConfirmation.
+   */
+  com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation getModifyAckDeadlineConfirmation();
+  /**
+   * 
        +   * Optional. This field will only be set if `enable_exactly_once_delivery` is
+   * set to `true`.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder getModifyAckDeadlineConfirmationOrBuilder();
+
+  /**
+   * 
        +   * Optional. Properties associated with this subscription.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * @return Whether the subscriptionProperties field is set.
+   */
+  boolean hasSubscriptionProperties();
+  /**
+   * 
        +   * Optional. Properties associated with this subscription.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
+   * @return The subscriptionProperties.
+   */
+  com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties getSubscriptionProperties();
+  /**
+   * 
        +   * Optional. Properties associated with this subscription.
+   * 
        
+   *
+   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder getSubscriptionPropertiesOrBuilder();
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Subscription.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Subscription.java
similarity index 61%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Subscription.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Subscription.java
index 397ade419..24e92fc20 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Subscription.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Subscription.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * A subscription resource. If none of `push_config`, `bigquery_config`, or
  * `cloud_storage_config` is set, then the subscriber will pull and ack messages
@@ -29,16 +12,15 @@
  *
  * Protobuf type {@code google.pubsub.v1.Subscription}
  */
-public final class Subscription extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class Subscription extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.Subscription)
     SubscriptionOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use Subscription.newBuilder() to construct.
   private Subscription(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private Subscription() {
     name_ = "";
     topic_ = "";
@@ -48,49 +30,46 @@ private Subscription() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new Subscription();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_Subscription_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Subscription_descriptor;
   }
 
   @SuppressWarnings({"rawtypes"})
   @java.lang.Override
-  protected com.google.protobuf.MapField internalGetMapField(int number) {
+  protected com.google.protobuf.MapField internalGetMapField(
+      int number) {
     switch (number) {
       case 9:
         return internalGetLabels();
       default:
-        throw new RuntimeException("Invalid map field number: " + number);
+        throw new RuntimeException(
+            "Invalid map field number: " + number);
     }
   }
-
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_Subscription_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Subscription_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.Subscription.class,
-            com.google.pubsub.v1.Subscription.Builder.class);
+            com.google.pubsub.v1.Subscription.class, com.google.pubsub.v1.Subscription.Builder.class);
   }
 
   /**
-   *
-   *
    * 
            * Possible states for a subscription.
    * 
        
    *
    * Protobuf enum {@code google.pubsub.v1.Subscription.State}
    */
-  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+  public enum State
+      implements com.google.protobuf.ProtocolMessageEnum {
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -99,8 +78,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     STATE_UNSPECIFIED(0),
     /**
-     *
-     *
      * 
              * The subscription can actively receive messages
      * 
        
@@ -109,8 +86,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     ACTIVE(1),
     /**
-     *
-     *
      * 
              * The subscription cannot receive messages because of an error with the
      * resource to which it pushes messages. See the more detailed error state
@@ -124,8 +99,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
     ;
 
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -134,8 +107,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int STATE_UNSPECIFIED_VALUE = 0;
     /**
-     *
-     *
      * 
              * The subscription can actively receive messages
      * 
        
@@ -144,8 +115,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int ACTIVE_VALUE = 1;
     /**
-     *
-     *
      * 
              * The subscription cannot receive messages because of an error with the
      * resource to which it pushes messages. See the more detailed error state
@@ -156,6 +125,7 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int RESOURCE_ERROR_VALUE = 2;
 
+
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalArgumentException(
@@ -180,49 +150,49 @@ public static State valueOf(int value) {
      */
     public static State forNumber(int value) {
       switch (value) {
-        case 0:
-          return STATE_UNSPECIFIED;
-        case 1:
-          return ACTIVE;
-        case 2:
-          return RESOURCE_ERROR;
-        default:
-          return null;
+        case 0: return STATE_UNSPECIFIED;
+        case 1: return ACTIVE;
+        case 2: return RESOURCE_ERROR;
+        default: return null;
       }
     }
 
-    public static com.google.protobuf.Internal.EnumLiteMap internalGetValueMap() {
+    public static com.google.protobuf.Internal.EnumLiteMap
+        internalGetValueMap() {
       return internalValueMap;
     }
+    private static final com.google.protobuf.Internal.EnumLiteMap<
+        State> internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap() {
+            public State findValueByNumber(int number) {
+              return State.forNumber(number);
+            }
+          };
 
-    private static final com.google.protobuf.Internal.EnumLiteMap internalValueMap =
-        new com.google.protobuf.Internal.EnumLiteMap() {
-          public State findValueByNumber(int number) {
-            return State.forNumber(number);
-          }
-        };
-
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor
+        getValueDescriptor() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalStateException(
             "Can't get the descriptor of an unrecognized enum value.");
       }
       return getDescriptor().getValues().get(ordinal());
     }
-
-    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+    public final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptorForType() {
       return getDescriptor();
     }
-
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptor() {
       return com.google.pubsub.v1.Subscription.getDescriptor().getEnumTypes().get(0);
     }
 
     private static final State[] VALUES = values();
 
-    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+    public static State valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
       if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+        throw new java.lang.IllegalArgumentException(
+          "EnumValueDescriptor is not for this type.");
       }
       if (desc.getIndex() == -1) {
         return UNRECOGNIZED;
@@ -240,12 +210,9 @@ private State(int value) {
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the subscription. It must have the format
    * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -256,7 +223,6 @@ private State(int value) {
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The name.
    */
   @java.lang.Override
@@ -265,15 +231,14 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the subscription. It must have the format
    * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -284,15 +249,16 @@ public java.lang.String getName() {
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -301,22 +267,16 @@ public com.google.protobuf.ByteString getNameBytes() {
   }
 
   public static final int TOPIC_FIELD_NUMBER = 2;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object topic_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the topic from which this subscription is receiving
    * messages. Format is `projects/{project}/topics/{topic}`. The value of this
    * field will be `_deleted-topic_` if the topic has been deleted.
    * 
        
    *
-   * 
-   * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   @java.lang.Override
@@ -325,33 +285,31 @@ public java.lang.String getTopic() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       topic_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the topic from which this subscription is receiving
    * messages. Format is `projects/{project}/topics/{topic}`. The value of this
    * field will be `_deleted-topic_` if the topic has been deleted.
    * 
        
    *
-   * 
-   * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getTopicBytes() {
+  public com.google.protobuf.ByteString
+      getTopicBytes() {
     java.lang.Object ref = topic_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       topic_ = b;
       return b;
     } else {
@@ -362,15 +320,12 @@ public com.google.protobuf.ByteString getTopicBytes() {
   public static final int PUSH_CONFIG_FIELD_NUMBER = 4;
   private com.google.pubsub.v1.PushConfig pushConfig_;
   /**
-   *
-   *
    * 
        -   * If push delivery is used with this subscription, this field is
+   * Optional. If push delivery is used with this subscription, this field is
    * used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 4;
-   *
+   * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the pushConfig field is set.
    */
   @java.lang.Override
@@ -378,15 +333,12 @@ public boolean hasPushConfig() {
     return pushConfig_ != null;
   }
   /**
-   *
-   *
    * 
        -   * If push delivery is used with this subscription, this field is
+   * Optional. If push delivery is used with this subscription, this field is
    * used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 4;
-   *
+   * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pushConfig.
    */
   @java.lang.Override
@@ -394,14 +346,12 @@ public com.google.pubsub.v1.PushConfig getPushConfig() {
     return pushConfig_ == null ? com.google.pubsub.v1.PushConfig.getDefaultInstance() : pushConfig_;
   }
   /**
-   *
-   *
    * 
        -   * If push delivery is used with this subscription, this field is
+   * Optional. If push delivery is used with this subscription, this field is
    * used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 4;
+   * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder() {
@@ -411,15 +361,12 @@ public com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder() {
   public static final int BIGQUERY_CONFIG_FIELD_NUMBER = 18;
   private com.google.pubsub.v1.BigQueryConfig bigqueryConfig_;
   /**
-   *
-   *
    * 
        -   * If delivery to BigQuery is used with this subscription, this field is
-   * used to configure it.
+   * Optional. If delivery to BigQuery is used with this subscription, this
+   * field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
-   *
+   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the bigqueryConfig field is set.
    */
   @java.lang.Override
@@ -427,52 +374,40 @@ public boolean hasBigqueryConfig() {
     return bigqueryConfig_ != null;
   }
   /**
-   *
-   *
    * 
        -   * If delivery to BigQuery is used with this subscription, this field is
-   * used to configure it.
+   * Optional. If delivery to BigQuery is used with this subscription, this
+   * field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
-   *
+   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bigqueryConfig.
    */
   @java.lang.Override
   public com.google.pubsub.v1.BigQueryConfig getBigqueryConfig() {
-    return bigqueryConfig_ == null
-        ? com.google.pubsub.v1.BigQueryConfig.getDefaultInstance()
-        : bigqueryConfig_;
+    return bigqueryConfig_ == null ? com.google.pubsub.v1.BigQueryConfig.getDefaultInstance() : bigqueryConfig_;
   }
   /**
-   *
-   *
    * 
        -   * If delivery to BigQuery is used with this subscription, this field is
-   * used to configure it.
+   * Optional. If delivery to BigQuery is used with this subscription, this
+   * field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.BigQueryConfigOrBuilder getBigqueryConfigOrBuilder() {
-    return bigqueryConfig_ == null
-        ? com.google.pubsub.v1.BigQueryConfig.getDefaultInstance()
-        : bigqueryConfig_;
+    return bigqueryConfig_ == null ? com.google.pubsub.v1.BigQueryConfig.getDefaultInstance() : bigqueryConfig_;
   }
 
   public static final int CLOUD_STORAGE_CONFIG_FIELD_NUMBER = 22;
   private com.google.pubsub.v1.CloudStorageConfig cloudStorageConfig_;
   /**
-   *
-   *
    * 
        -   * If delivery to Google Cloud Storage is used with this subscription, this
-   * field is used to configure it.
+   * Optional. If delivery to Google Cloud Storage is used with this
+   * subscription, this field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
-   *
+   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the cloudStorageConfig field is set.
    */
   @java.lang.Override
@@ -480,51 +415,40 @@ public boolean hasCloudStorageConfig() {
     return cloudStorageConfig_ != null;
   }
   /**
-   *
-   *
    * 
        -   * If delivery to Google Cloud Storage is used with this subscription, this
-   * field is used to configure it.
+   * Optional. If delivery to Google Cloud Storage is used with this
+   * subscription, this field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
-   *
+   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
    * @return The cloudStorageConfig.
    */
   @java.lang.Override
   public com.google.pubsub.v1.CloudStorageConfig getCloudStorageConfig() {
-    return cloudStorageConfig_ == null
-        ? com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance()
-        : cloudStorageConfig_;
+    return cloudStorageConfig_ == null ? com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance() : cloudStorageConfig_;
   }
   /**
-   *
-   *
    * 
        -   * If delivery to Google Cloud Storage is used with this subscription, this
-   * field is used to configure it.
+   * Optional. If delivery to Google Cloud Storage is used with this
+   * subscription, this field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.CloudStorageConfigOrBuilder getCloudStorageConfigOrBuilder() {
-    return cloudStorageConfig_ == null
-        ? com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance()
-        : cloudStorageConfig_;
+    return cloudStorageConfig_ == null ? com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance() : cloudStorageConfig_;
   }
 
   public static final int ACK_DEADLINE_SECONDS_FIELD_NUMBER = 5;
   private int ackDeadlineSeconds_ = 0;
   /**
-   *
-   *
    * 
        -   * The approximate amount of time (on a best-effort basis) Pub/Sub waits for
-   * the subscriber to acknowledge receipt before resending the message. In the
-   * interval after the message is delivered and before it is acknowledged, it
-   * is considered to be _outstanding_. During that time period, the
-   * message will not be redelivered (on a best-effort basis).
+   * Optional. The approximate amount of time (on a best-effort basis) Pub/Sub
+   * waits for the subscriber to acknowledge receipt before resending the
+   * message. In the interval after the message is delivered and before it is
+   * acknowledged, it is considered to be _outstanding_. During that time
+   * period, the message will not be redelivered (on a best-effort basis).
    *
    * For pull subscriptions, this value is used as the initial value for the ack
    * deadline. To override this value for a given message, call
@@ -542,8 +466,7 @@ public com.google.pubsub.v1.CloudStorageConfigOrBuilder getCloudStorageConfigOrB
    * system will eventually redeliver the message.
    * 
        
    *
-   * int32 ack_deadline_seconds = 5;
-   *
+   * int32 ack_deadline_seconds = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The ackDeadlineSeconds.
    */
   @java.lang.Override
@@ -554,10 +477,8 @@ public int getAckDeadlineSeconds() {
   public static final int RETAIN_ACKED_MESSAGES_FIELD_NUMBER = 7;
   private boolean retainAckedMessages_ = false;
   /**
-   *
-   *
    * 
        -   * Indicates whether to retain acknowledged messages. If true, then
+   * Optional. Indicates whether to retain acknowledged messages. If true, then
    * messages are not expunged from the subscription's backlog, even if they are
    * acknowledged, until they fall out of the `message_retention_duration`
    * window. This must be true if you would like to [`Seek` to a timestamp]
@@ -565,8 +486,7 @@ public int getAckDeadlineSeconds() {
    * the past to replay previously-acknowledged messages.
    * 
        
    *
-   * bool retain_acked_messages = 7;
-   *
+   * bool retain_acked_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
    * @return The retainAckedMessages.
    */
   @java.lang.Override
@@ -577,19 +497,15 @@ public boolean getRetainAckedMessages() {
   public static final int MESSAGE_RETENTION_DURATION_FIELD_NUMBER = 8;
   private com.google.protobuf.Duration messageRetentionDuration_;
   /**
-   *
-   *
    * 
        -   * How long to retain unacknowledged messages in the subscription's backlog,
-   * from the moment a message is published.
-   * If `retain_acked_messages` is true, then this also configures the retention
-   * of acknowledged messages, and thus configures how far back in time a `Seek`
-   * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-   * minutes.
+   * Optional. How long to retain unacknowledged messages in the subscription's
+   * backlog, from the moment a message is published. If `retain_acked_messages`
+   * is true, then this also configures the retention of acknowledged messages,
+   * and thus configures how far back in time a `Seek` can be done. Defaults to
+   * 7 days. Cannot be more than 7 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
-   *
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the messageRetentionDuration field is set.
    */
   @java.lang.Override
@@ -597,148 +513,130 @@ public boolean hasMessageRetentionDuration() {
     return messageRetentionDuration_ != null;
   }
   /**
-   *
-   *
    * 
        -   * How long to retain unacknowledged messages in the subscription's backlog,
-   * from the moment a message is published.
-   * If `retain_acked_messages` is true, then this also configures the retention
-   * of acknowledged messages, and thus configures how far back in time a `Seek`
-   * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-   * minutes.
+   * Optional. How long to retain unacknowledged messages in the subscription's
+   * backlog, from the moment a message is published. If `retain_acked_messages`
+   * is true, then this also configures the retention of acknowledged messages,
+   * and thus configures how far back in time a `Seek` can be done. Defaults to
+   * 7 days. Cannot be more than 7 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
-   *
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return The messageRetentionDuration.
    */
   @java.lang.Override
   public com.google.protobuf.Duration getMessageRetentionDuration() {
-    return messageRetentionDuration_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : messageRetentionDuration_;
+    return messageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : messageRetentionDuration_;
   }
   /**
-   *
-   *
    * 
        -   * How long to retain unacknowledged messages in the subscription's backlog,
-   * from the moment a message is published.
-   * If `retain_acked_messages` is true, then this also configures the retention
-   * of acknowledged messages, and thus configures how far back in time a `Seek`
-   * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-   * minutes.
+   * Optional. How long to retain unacknowledged messages in the subscription's
+   * backlog, from the moment a message is published. If `retain_acked_messages`
+   * is true, then this also configures the retention of acknowledged messages,
+   * and thus configures how far back in time a `Seek` can be done. Defaults to
+   * 7 days. Cannot be more than 7 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.protobuf.DurationOrBuilder getMessageRetentionDurationOrBuilder() {
-    return messageRetentionDuration_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : messageRetentionDuration_;
+    return messageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : messageRetentionDuration_;
   }
 
   public static final int LABELS_FIELD_NUMBER = 9;
-
   private static final class LabelsDefaultEntryHolder {
-    static final com.google.protobuf.MapEntry defaultEntry =
-        com.google.protobuf.MapEntry.newDefaultInstance(
-            com.google.pubsub.v1.PubsubProto
-                .internal_static_google_pubsub_v1_Subscription_LabelsEntry_descriptor,
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "",
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "");
+    static final com.google.protobuf.MapEntry<
+        java.lang.String, java.lang.String> defaultEntry =
+            com.google.protobuf.MapEntry
+            .newDefaultInstance(
+                com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Subscription_LabelsEntry_descriptor, 
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "",
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "");
   }
-
   @SuppressWarnings("serial")
-  private com.google.protobuf.MapField labels_;
-
-  private com.google.protobuf.MapField internalGetLabels() {
+  private com.google.protobuf.MapField<
+      java.lang.String, java.lang.String> labels_;
+  private com.google.protobuf.MapField
+  internalGetLabels() {
     if (labels_ == null) {
-      return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+      return com.google.protobuf.MapField.emptyMapField(
+          LabelsDefaultEntryHolder.defaultEntry);
     }
     return labels_;
   }
-
   public int getLabelsCount() {
     return internalGetLabels().getMap().size();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public boolean containsLabels(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
+  public boolean containsLabels(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
     return internalGetLabels().getMap().containsKey(key);
   }
-  /** Use {@link #getLabelsMap()} instead. */
+  /**
+   * Use {@link #getLabelsMap()} instead.
+   */
   @java.lang.Override
   @java.lang.Deprecated
   public java.util.Map getLabels() {
     return getLabelsMap();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.Map getLabelsMap() {
     return internalGetLabels().getMap();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public /* nullable */ java.lang.String getLabelsOrDefault(
+  public /* nullable */
+java.lang.String getLabelsOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetLabels().getMap();
+java.lang.String defaultValue) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetLabels().getMap();
     return map.containsKey(key) ? map.get(key) : defaultValue;
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.lang.String getLabelsOrThrow(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetLabels().getMap();
+  public java.lang.String getLabelsOrThrow(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetLabels().getMap();
     if (!map.containsKey(key)) {
       throw new java.lang.IllegalArgumentException();
     }
@@ -748,17 +646,14 @@ public java.lang.String getLabelsOrThrow(java.lang.String key) {
   public static final int ENABLE_MESSAGE_ORDERING_FIELD_NUMBER = 10;
   private boolean enableMessageOrdering_ = false;
   /**
-   *
-   *
    * 
        -   * If true, messages published with the same `ordering_key` in `PubsubMessage`
-   * will be delivered to the subscribers in the order in which they
-   * are received by the Pub/Sub system. Otherwise, they may be delivered in
-   * any order.
+   * Optional. If true, messages published with the same `ordering_key` in
+   * `PubsubMessage` will be delivered to the subscribers in the order in which
+   * they are received by the Pub/Sub system. Otherwise, they may be delivered
+   * in any order.
    * 
        
    *
-   * bool enable_message_ordering = 10;
-   *
+   * bool enable_message_ordering = 10 [(.google.api.field_behavior) = OPTIONAL];
    * @return The enableMessageOrdering.
    */
   @java.lang.Override
@@ -769,20 +664,17 @@ public boolean getEnableMessageOrdering() {
   public static final int EXPIRATION_POLICY_FIELD_NUMBER = 11;
   private com.google.pubsub.v1.ExpirationPolicy expirationPolicy_;
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for this subscription's expiration.
-   * A subscription is considered active as long as any connected subscriber is
-   * successfully consuming messages from the subscription or is issuing
-   * operations on the subscription. If `expiration_policy` is not set, a
-   * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+   * Optional. A policy that specifies the conditions for this subscription's
+   * expiration. A subscription is considered active as long as any connected
+   * subscriber is successfully consuming messages from the subscription or is
+   * issuing operations on the subscription. If `expiration_policy` is not set,
+   * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
    * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
    * but `expiration_policy.ttl` is not set, the subscription never expires.
    * 
        
    *
-   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
-   *
+   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the expirationPolicy field is set.
    */
   @java.lang.Override
@@ -790,67 +682,54 @@ public boolean hasExpirationPolicy() {
     return expirationPolicy_ != null;
   }
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for this subscription's expiration.
-   * A subscription is considered active as long as any connected subscriber is
-   * successfully consuming messages from the subscription or is issuing
-   * operations on the subscription. If `expiration_policy` is not set, a
-   * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+   * Optional. A policy that specifies the conditions for this subscription's
+   * expiration. A subscription is considered active as long as any connected
+   * subscriber is successfully consuming messages from the subscription or is
+   * issuing operations on the subscription. If `expiration_policy` is not set,
+   * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
    * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
    * but `expiration_policy.ttl` is not set, the subscription never expires.
    * 
        
    *
-   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
-   *
+   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
    * @return The expirationPolicy.
    */
   @java.lang.Override
   public com.google.pubsub.v1.ExpirationPolicy getExpirationPolicy() {
-    return expirationPolicy_ == null
-        ? com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance()
-        : expirationPolicy_;
+    return expirationPolicy_ == null ? com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance() : expirationPolicy_;
   }
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for this subscription's expiration.
-   * A subscription is considered active as long as any connected subscriber is
-   * successfully consuming messages from the subscription or is issuing
-   * operations on the subscription. If `expiration_policy` is not set, a
-   * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+   * Optional. A policy that specifies the conditions for this subscription's
+   * expiration. A subscription is considered active as long as any connected
+   * subscriber is successfully consuming messages from the subscription or is
+   * issuing operations on the subscription. If `expiration_policy` is not set,
+   * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
    * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
    * but `expiration_policy.ttl` is not set, the subscription never expires.
    * 
        
    *
-   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.ExpirationPolicyOrBuilder getExpirationPolicyOrBuilder() {
-    return expirationPolicy_ == null
-        ? com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance()
-        : expirationPolicy_;
+    return expirationPolicy_ == null ? com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance() : expirationPolicy_;
   }
 
   public static final int FILTER_FIELD_NUMBER = 12;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object filter_ = "";
   /**
-   *
-   *
    * 
        -   * An expression written in the Pub/Sub [filter
+   * Optional. An expression written in the Pub/Sub [filter
    * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
    * then only `PubsubMessage`s whose `attributes` field matches the filter are
    * delivered on this subscription. If empty, then no messages are filtered
    * out.
    * 
        
    *
-   * string filter = 12;
-   *
+   * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
    * @return The filter.
    */
   @java.lang.Override
@@ -859,33 +738,33 @@ public java.lang.String getFilter() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       filter_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * An expression written in the Pub/Sub [filter
+   * Optional. An expression written in the Pub/Sub [filter
    * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
    * then only `PubsubMessage`s whose `attributes` field matches the filter are
    * delivered on this subscription. If empty, then no messages are filtered
    * out.
    * 
        
    *
-   * string filter = 12;
-   *
+   * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for filter.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getFilterBytes() {
+  public com.google.protobuf.ByteString
+      getFilterBytes() {
     java.lang.Object ref = filter_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       filter_ = b;
       return b;
     } else {
@@ -896,21 +775,18 @@ public com.google.protobuf.ByteString getFilterBytes() {
   public static final int DEAD_LETTER_POLICY_FIELD_NUMBER = 13;
   private com.google.pubsub.v1.DeadLetterPolicy deadLetterPolicy_;
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for dead lettering messages in
-   * this subscription. If dead_letter_policy is not set, dead lettering
-   * is disabled.
+   * Optional. A policy that specifies the conditions for dead lettering
+   * messages in this subscription. If dead_letter_policy is not set, dead
+   * lettering is disabled.
    *
-   * The Cloud Pub/Sub service account associated with this subscriptions's
+   * The Pub/Sub service account associated with this subscriptions's
    * parent project (i.e.,
    * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
    * permission to Acknowledge() messages on this subscription.
    * 
        
    *
-   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
-   *
+   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the deadLetterPolicy field is set.
    */
   @java.lang.Override
@@ -918,60 +794,49 @@ public boolean hasDeadLetterPolicy() {
     return deadLetterPolicy_ != null;
   }
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for dead lettering messages in
-   * this subscription. If dead_letter_policy is not set, dead lettering
-   * is disabled.
+   * Optional. A policy that specifies the conditions for dead lettering
+   * messages in this subscription. If dead_letter_policy is not set, dead
+   * lettering is disabled.
    *
-   * The Cloud Pub/Sub service account associated with this subscriptions's
+   * The Pub/Sub service account associated with this subscriptions's
    * parent project (i.e.,
    * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
    * permission to Acknowledge() messages on this subscription.
    * 
        
    *
-   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
-   *
+   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
    * @return The deadLetterPolicy.
    */
   @java.lang.Override
   public com.google.pubsub.v1.DeadLetterPolicy getDeadLetterPolicy() {
-    return deadLetterPolicy_ == null
-        ? com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance()
-        : deadLetterPolicy_;
+    return deadLetterPolicy_ == null ? com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance() : deadLetterPolicy_;
   }
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for dead lettering messages in
-   * this subscription. If dead_letter_policy is not set, dead lettering
-   * is disabled.
+   * Optional. A policy that specifies the conditions for dead lettering
+   * messages in this subscription. If dead_letter_policy is not set, dead
+   * lettering is disabled.
    *
-   * The Cloud Pub/Sub service account associated with this subscriptions's
+   * The Pub/Sub service account associated with this subscriptions's
    * parent project (i.e.,
    * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
    * permission to Acknowledge() messages on this subscription.
    * 
        
    *
-   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.DeadLetterPolicyOrBuilder getDeadLetterPolicyOrBuilder() {
-    return deadLetterPolicy_ == null
-        ? com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance()
-        : deadLetterPolicy_;
+    return deadLetterPolicy_ == null ? com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance() : deadLetterPolicy_;
   }
 
   public static final int RETRY_POLICY_FIELD_NUMBER = 14;
   private com.google.pubsub.v1.RetryPolicy retryPolicy_;
   /**
-   *
-   *
    * 
        -   * A policy that specifies how Pub/Sub retries message delivery for this
-   * subscription.
+   * Optional. A policy that specifies how Pub/Sub retries message delivery for
+   * this subscription.
    *
    * If not set, the default retry policy is applied. This generally implies
    * that messages will be retried as soon as possible for healthy subscribers.
@@ -979,8 +844,7 @@ public com.google.pubsub.v1.DeadLetterPolicyOrBuilder getDeadLetterPolicyOrBuild
    * exceeded events for a given message.
    * 
        
    *
-   * .google.pubsub.v1.RetryPolicy retry_policy = 14;
-   *
+   * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the retryPolicy field is set.
    */
   @java.lang.Override
@@ -988,11 +852,9 @@ public boolean hasRetryPolicy() {
     return retryPolicy_ != null;
   }
   /**
-   *
-   *
    * 
        -   * A policy that specifies how Pub/Sub retries message delivery for this
-   * subscription.
+   * Optional. A policy that specifies how Pub/Sub retries message delivery for
+   * this subscription.
    *
    * If not set, the default retry policy is applied. This generally implies
    * that messages will be retried as soon as possible for healthy subscribers.
@@ -1000,22 +862,17 @@ public boolean hasRetryPolicy() {
    * exceeded events for a given message.
    * 
        
    *
-   * .google.pubsub.v1.RetryPolicy retry_policy = 14;
-   *
+   * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
    * @return The retryPolicy.
    */
   @java.lang.Override
   public com.google.pubsub.v1.RetryPolicy getRetryPolicy() {
-    return retryPolicy_ == null
-        ? com.google.pubsub.v1.RetryPolicy.getDefaultInstance()
-        : retryPolicy_;
+    return retryPolicy_ == null ? com.google.pubsub.v1.RetryPolicy.getDefaultInstance() : retryPolicy_;
   }
   /**
-   *
-   *
    * 
        -   * A policy that specifies how Pub/Sub retries message delivery for this
-   * subscription.
+   * Optional. A policy that specifies how Pub/Sub retries message delivery for
+   * this subscription.
    *
    * If not set, the default retry policy is applied. This generally implies
    * that messages will be retried as soon as possible for healthy subscribers.
@@ -1023,30 +880,25 @@ public com.google.pubsub.v1.RetryPolicy getRetryPolicy() {
    * exceeded events for a given message.
    * 
        
    *
-   * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+   * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.RetryPolicyOrBuilder getRetryPolicyOrBuilder() {
-    return retryPolicy_ == null
-        ? com.google.pubsub.v1.RetryPolicy.getDefaultInstance()
-        : retryPolicy_;
+    return retryPolicy_ == null ? com.google.pubsub.v1.RetryPolicy.getDefaultInstance() : retryPolicy_;
   }
 
   public static final int DETACHED_FIELD_NUMBER = 15;
   private boolean detached_ = false;
   /**
-   *
-   *
    * 
        -   * Indicates whether the subscription is detached from its topic. Detached
-   * subscriptions don't receive messages from their topic and don't retain any
-   * backlog. `Pull` and `StreamingPull` requests will return
+   * Optional. Indicates whether the subscription is detached from its topic.
+   * Detached subscriptions don't receive messages from their topic and don't
+   * retain any backlog. `Pull` and `StreamingPull` requests will return
    * FAILED_PRECONDITION. If the subscription is a push subscription, pushes to
    * the endpoint will not be made.
    * 
        
    *
-   * bool detached = 15;
-   *
+   * bool detached = 15 [(.google.api.field_behavior) = OPTIONAL];
    * @return The detached.
    */
   @java.lang.Override
@@ -1057,11 +909,10 @@ public boolean getDetached() {
   public static final int ENABLE_EXACTLY_ONCE_DELIVERY_FIELD_NUMBER = 16;
   private boolean enableExactlyOnceDelivery_ = false;
   /**
-   *
-   *
    * 
        -   * If true, Pub/Sub provides the following guarantees for the delivery of
-   * a message with a given value of `message_id` on this subscription:
+   * Optional. If true, Pub/Sub provides the following guarantees for the
+   * delivery of a message with a given value of `message_id` on this
+   * subscription:
    *
    * * The message sent to a subscriber is guaranteed not to be resent
    * before the message's acknowledgement deadline expires.
@@ -1073,8 +924,7 @@ public boolean getDetached() {
    * by Pub/Sub and have distinct `message_id` values.
    * 
        
    *
-   * bool enable_exactly_once_delivery = 16;
-   *
+   * bool enable_exactly_once_delivery = 16 [(.google.api.field_behavior) = OPTIONAL];
    * @return The enableExactlyOnceDelivery.
    */
   @java.lang.Override
@@ -1085,8 +935,6 @@ public boolean getEnableExactlyOnceDelivery() {
   public static final int TOPIC_MESSAGE_RETENTION_DURATION_FIELD_NUMBER = 17;
   private com.google.protobuf.Duration topicMessageRetentionDuration_;
   /**
-   *
-   *
    * 
            * Output only. Indicates the minimum duration for which a message is retained
    * after it is published to the subscription's topic. If this field is set,
@@ -1096,10 +944,7 @@ public boolean getEnableExactlyOnceDelivery() {
    * in responses from the server; it is ignored if it is set in any requests.
    * 
        
    *
-   * 
-   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return Whether the topicMessageRetentionDuration field is set.
    */
   @java.lang.Override
@@ -1107,8 +952,6 @@ public boolean hasTopicMessageRetentionDuration() {
     return topicMessageRetentionDuration_ != null;
   }
   /**
-   *
-   *
    * 
            * Output only. Indicates the minimum duration for which a message is retained
    * after it is published to the subscription's topic. If this field is set,
@@ -1118,21 +961,14 @@ public boolean hasTopicMessageRetentionDuration() {
    * in responses from the server; it is ignored if it is set in any requests.
    * 
        
    *
-   * 
-   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The topicMessageRetentionDuration.
    */
   @java.lang.Override
   public com.google.protobuf.Duration getTopicMessageRetentionDuration() {
-    return topicMessageRetentionDuration_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : topicMessageRetentionDuration_;
+    return topicMessageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : topicMessageRetentionDuration_;
   }
   /**
-   *
-   *
    * 
            * Output only. Indicates the minimum duration for which a message is retained
    * after it is published to the subscription's topic. If this field is set,
@@ -1142,60 +978,42 @@ public com.google.protobuf.Duration getTopicMessageRetentionDuration() {
    * in responses from the server; it is ignored if it is set in any requests.
    * 
        
    *
-   * 
-   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
+   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
    */
   @java.lang.Override
   public com.google.protobuf.DurationOrBuilder getTopicMessageRetentionDurationOrBuilder() {
-    return topicMessageRetentionDuration_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : topicMessageRetentionDuration_;
+    return topicMessageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : topicMessageRetentionDuration_;
   }
 
   public static final int STATE_FIELD_NUMBER = 19;
   private int state_ = 0;
   /**
-   *
-   *
    * 
            * Output only. An output-only field indicating whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The enum numeric value on the wire for state.
    */
-  @java.lang.Override
-  public int getStateValue() {
+  @java.lang.Override public int getStateValue() {
     return state_;
   }
   /**
-   *
-   *
    * 
            * Output only. An output-only field indicating whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The state.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.Subscription.State getState() {
-    com.google.pubsub.v1.Subscription.State result =
-        com.google.pubsub.v1.Subscription.State.forNumber(state_);
+  @java.lang.Override public com.google.pubsub.v1.Subscription.State getState() {
+    com.google.pubsub.v1.Subscription.State result = com.google.pubsub.v1.Subscription.State.forNumber(state_);
     return result == null ? com.google.pubsub.v1.Subscription.State.UNRECOGNIZED : result;
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -1207,7 +1025,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
@@ -1226,8 +1045,12 @@ public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io
     if (messageRetentionDuration_ != null) {
       output.writeMessage(8, getMessageRetentionDuration());
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
-        output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 9);
+    com.google.protobuf.GeneratedMessageV3
+      .serializeStringMapTo(
+        output,
+        internalGetLabels(),
+        LabelsDefaultEntryHolder.defaultEntry,
+        9);
     if (enableMessageOrdering_ != false) {
       output.writeBool(10, enableMessageOrdering_);
     }
@@ -1277,63 +1100,73 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, topic_);
     }
     if (pushConfig_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(4, getPushConfig());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(4, getPushConfig());
     }
     if (ackDeadlineSeconds_ != 0) {
-      size += com.google.protobuf.CodedOutputStream.computeInt32Size(5, ackDeadlineSeconds_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeInt32Size(5, ackDeadlineSeconds_);
     }
     if (retainAckedMessages_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(7, retainAckedMessages_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(7, retainAckedMessages_);
     }
     if (messageRetentionDuration_ != null) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              8, getMessageRetentionDuration());
-    }
-    for (java.util.Map.Entry entry :
-        internalGetLabels().getMap().entrySet()) {
-      com.google.protobuf.MapEntry labels__ =
-          LabelsDefaultEntryHolder.defaultEntry
-              .newBuilderForType()
-              .setKey(entry.getKey())
-              .setValue(entry.getValue())
-              .build();
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(9, labels__);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(8, getMessageRetentionDuration());
+    }
+    for (java.util.Map.Entry entry
+         : internalGetLabels().getMap().entrySet()) {
+      com.google.protobuf.MapEntry
+      labels__ = LabelsDefaultEntryHolder.defaultEntry.newBuilderForType()
+          .setKey(entry.getKey())
+          .setValue(entry.getValue())
+          .build();
+      size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(9, labels__);
     }
     if (enableMessageOrdering_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(10, enableMessageOrdering_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(10, enableMessageOrdering_);
     }
     if (expirationPolicy_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(11, getExpirationPolicy());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(11, getExpirationPolicy());
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(filter_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(12, filter_);
     }
     if (deadLetterPolicy_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(13, getDeadLetterPolicy());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(13, getDeadLetterPolicy());
     }
     if (retryPolicy_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(14, getRetryPolicy());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(14, getRetryPolicy());
     }
     if (detached_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(15, detached_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(15, detached_);
     }
     if (enableExactlyOnceDelivery_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(16, enableExactlyOnceDelivery_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(16, enableExactlyOnceDelivery_);
     }
     if (topicMessageRetentionDuration_ != null) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              17, getTopicMessageRetentionDuration());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(17, getTopicMessageRetentionDuration());
     }
     if (bigqueryConfig_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(18, getBigqueryConfig());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(18, getBigqueryConfig());
     }
     if (state_ != com.google.pubsub.v1.Subscription.State.STATE_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(19, state_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(19, state_);
     }
     if (cloudStorageConfig_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(22, getCloudStorageConfig());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(22, getCloudStorageConfig());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -1343,55 +1176,70 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.Subscription)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.Subscription other = (com.google.pubsub.v1.Subscription) obj;
 
-    if (!getName().equals(other.getName())) return false;
-    if (!getTopic().equals(other.getTopic())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
+    if (!getTopic()
+        .equals(other.getTopic())) return false;
     if (hasPushConfig() != other.hasPushConfig()) return false;
     if (hasPushConfig()) {
-      if (!getPushConfig().equals(other.getPushConfig())) return false;
+      if (!getPushConfig()
+          .equals(other.getPushConfig())) return false;
     }
     if (hasBigqueryConfig() != other.hasBigqueryConfig()) return false;
     if (hasBigqueryConfig()) {
-      if (!getBigqueryConfig().equals(other.getBigqueryConfig())) return false;
+      if (!getBigqueryConfig()
+          .equals(other.getBigqueryConfig())) return false;
     }
     if (hasCloudStorageConfig() != other.hasCloudStorageConfig()) return false;
     if (hasCloudStorageConfig()) {
-      if (!getCloudStorageConfig().equals(other.getCloudStorageConfig())) return false;
+      if (!getCloudStorageConfig()
+          .equals(other.getCloudStorageConfig())) return false;
     }
-    if (getAckDeadlineSeconds() != other.getAckDeadlineSeconds()) return false;
-    if (getRetainAckedMessages() != other.getRetainAckedMessages()) return false;
+    if (getAckDeadlineSeconds()
+        != other.getAckDeadlineSeconds()) return false;
+    if (getRetainAckedMessages()
+        != other.getRetainAckedMessages()) return false;
     if (hasMessageRetentionDuration() != other.hasMessageRetentionDuration()) return false;
     if (hasMessageRetentionDuration()) {
-      if (!getMessageRetentionDuration().equals(other.getMessageRetentionDuration())) return false;
+      if (!getMessageRetentionDuration()
+          .equals(other.getMessageRetentionDuration())) return false;
     }
-    if (!internalGetLabels().equals(other.internalGetLabels())) return false;
-    if (getEnableMessageOrdering() != other.getEnableMessageOrdering()) return false;
+    if (!internalGetLabels().equals(
+        other.internalGetLabels())) return false;
+    if (getEnableMessageOrdering()
+        != other.getEnableMessageOrdering()) return false;
     if (hasExpirationPolicy() != other.hasExpirationPolicy()) return false;
     if (hasExpirationPolicy()) {
-      if (!getExpirationPolicy().equals(other.getExpirationPolicy())) return false;
+      if (!getExpirationPolicy()
+          .equals(other.getExpirationPolicy())) return false;
     }
-    if (!getFilter().equals(other.getFilter())) return false;
+    if (!getFilter()
+        .equals(other.getFilter())) return false;
     if (hasDeadLetterPolicy() != other.hasDeadLetterPolicy()) return false;
     if (hasDeadLetterPolicy()) {
-      if (!getDeadLetterPolicy().equals(other.getDeadLetterPolicy())) return false;
+      if (!getDeadLetterPolicy()
+          .equals(other.getDeadLetterPolicy())) return false;
     }
     if (hasRetryPolicy() != other.hasRetryPolicy()) return false;
     if (hasRetryPolicy()) {
-      if (!getRetryPolicy().equals(other.getRetryPolicy())) return false;
-    }
-    if (getDetached() != other.getDetached()) return false;
-    if (getEnableExactlyOnceDelivery() != other.getEnableExactlyOnceDelivery()) return false;
-    if (hasTopicMessageRetentionDuration() != other.hasTopicMessageRetentionDuration())
-      return false;
+      if (!getRetryPolicy()
+          .equals(other.getRetryPolicy())) return false;
+    }
+    if (getDetached()
+        != other.getDetached()) return false;
+    if (getEnableExactlyOnceDelivery()
+        != other.getEnableExactlyOnceDelivery()) return false;
+    if (hasTopicMessageRetentionDuration() != other.hasTopicMessageRetentionDuration()) return false;
     if (hasTopicMessageRetentionDuration()) {
-      if (!getTopicMessageRetentionDuration().equals(other.getTopicMessageRetentionDuration()))
-        return false;
+      if (!getTopicMessageRetentionDuration()
+          .equals(other.getTopicMessageRetentionDuration())) return false;
     }
     if (state_ != other.state_) return false;
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
@@ -1424,7 +1272,8 @@ public int hashCode() {
     hash = (37 * hash) + ACK_DEADLINE_SECONDS_FIELD_NUMBER;
     hash = (53 * hash) + getAckDeadlineSeconds();
     hash = (37 * hash) + RETAIN_ACKED_MESSAGES_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getRetainAckedMessages());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getRetainAckedMessages());
     if (hasMessageRetentionDuration()) {
       hash = (37 * hash) + MESSAGE_RETENTION_DURATION_FIELD_NUMBER;
       hash = (53 * hash) + getMessageRetentionDuration().hashCode();
@@ -1434,7 +1283,8 @@ public int hashCode() {
       hash = (53 * hash) + internalGetLabels().hashCode();
     }
     hash = (37 * hash) + ENABLE_MESSAGE_ORDERING_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableMessageOrdering());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getEnableMessageOrdering());
     if (hasExpirationPolicy()) {
       hash = (37 * hash) + EXPIRATION_POLICY_FIELD_NUMBER;
       hash = (53 * hash) + getExpirationPolicy().hashCode();
@@ -1450,9 +1300,11 @@ public int hashCode() {
       hash = (53 * hash) + getRetryPolicy().hashCode();
     }
     hash = (37 * hash) + DETACHED_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getDetached());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getDetached());
     hash = (37 * hash) + ENABLE_EXACTLY_ONCE_DELIVERY_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getEnableExactlyOnceDelivery());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getEnableExactlyOnceDelivery());
     if (hasTopicMessageRetentionDuration()) {
       hash = (37 * hash) + TOPIC_MESSAGE_RETENTION_DURATION_FIELD_NUMBER;
       hash = (53 * hash) + getTopicMessageRetentionDuration().hashCode();
@@ -1464,103 +1316,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.Subscription parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.Subscription parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Subscription parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.Subscription parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.Subscription parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Subscription parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Subscription parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Subscription parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Subscription parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.Subscription parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.Subscription parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.Subscription parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Subscription parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.Subscription parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.Subscription prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * A subscription resource. If none of `push_config`, `bigquery_config`, or
    * `cloud_storage_config` is set, then the subscriber will pull and ack messages
@@ -1569,52 +1417,55 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.Subscription}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.Subscription)
       com.google.pubsub.v1.SubscriptionOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_Subscription_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Subscription_descriptor;
     }
 
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMapField(
+        int number) {
       switch (number) {
         case 9:
           return internalGetLabels();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMutableMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMutableMapField(
+        int number) {
       switch (number) {
         case 9:
           return internalGetMutableLabels();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_Subscription_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Subscription_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.Subscription.class,
-              com.google.pubsub.v1.Subscription.Builder.class);
+              com.google.pubsub.v1.Subscription.class, com.google.pubsub.v1.Subscription.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.Subscription.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -1673,9 +1524,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_Subscription_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Subscription_descriptor;
     }
 
     @java.lang.Override
@@ -1695,9 +1546,7 @@ public com.google.pubsub.v1.Subscription build() {
     @java.lang.Override
     public com.google.pubsub.v1.Subscription buildPartial() {
       com.google.pubsub.v1.Subscription result = new com.google.pubsub.v1.Subscription(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -1711,17 +1560,19 @@ private void buildPartial0(com.google.pubsub.v1.Subscription result) {
         result.topic_ = topic_;
       }
       if (((from_bitField0_ & 0x00000004) != 0)) {
-        result.pushConfig_ = pushConfigBuilder_ == null ? pushConfig_ : pushConfigBuilder_.build();
+        result.pushConfig_ = pushConfigBuilder_ == null
+            ? pushConfig_
+            : pushConfigBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000008) != 0)) {
-        result.bigqueryConfig_ =
-            bigqueryConfigBuilder_ == null ? bigqueryConfig_ : bigqueryConfigBuilder_.build();
+        result.bigqueryConfig_ = bigqueryConfigBuilder_ == null
+            ? bigqueryConfig_
+            : bigqueryConfigBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000010) != 0)) {
-        result.cloudStorageConfig_ =
-            cloudStorageConfigBuilder_ == null
-                ? cloudStorageConfig_
-                : cloudStorageConfigBuilder_.build();
+        result.cloudStorageConfig_ = cloudStorageConfigBuilder_ == null
+            ? cloudStorageConfig_
+            : cloudStorageConfigBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000020) != 0)) {
         result.ackDeadlineSeconds_ = ackDeadlineSeconds_;
@@ -1730,10 +1581,9 @@ private void buildPartial0(com.google.pubsub.v1.Subscription result) {
         result.retainAckedMessages_ = retainAckedMessages_;
       }
       if (((from_bitField0_ & 0x00000080) != 0)) {
-        result.messageRetentionDuration_ =
-            messageRetentionDurationBuilder_ == null
-                ? messageRetentionDuration_
-                : messageRetentionDurationBuilder_.build();
+        result.messageRetentionDuration_ = messageRetentionDurationBuilder_ == null
+            ? messageRetentionDuration_
+            : messageRetentionDurationBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000100) != 0)) {
         result.labels_ = internalGetLabels();
@@ -1743,19 +1593,22 @@ private void buildPartial0(com.google.pubsub.v1.Subscription result) {
         result.enableMessageOrdering_ = enableMessageOrdering_;
       }
       if (((from_bitField0_ & 0x00000400) != 0)) {
-        result.expirationPolicy_ =
-            expirationPolicyBuilder_ == null ? expirationPolicy_ : expirationPolicyBuilder_.build();
+        result.expirationPolicy_ = expirationPolicyBuilder_ == null
+            ? expirationPolicy_
+            : expirationPolicyBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000800) != 0)) {
         result.filter_ = filter_;
       }
       if (((from_bitField0_ & 0x00001000) != 0)) {
-        result.deadLetterPolicy_ =
-            deadLetterPolicyBuilder_ == null ? deadLetterPolicy_ : deadLetterPolicyBuilder_.build();
+        result.deadLetterPolicy_ = deadLetterPolicyBuilder_ == null
+            ? deadLetterPolicy_
+            : deadLetterPolicyBuilder_.build();
       }
       if (((from_bitField0_ & 0x00002000) != 0)) {
-        result.retryPolicy_ =
-            retryPolicyBuilder_ == null ? retryPolicy_ : retryPolicyBuilder_.build();
+        result.retryPolicy_ = retryPolicyBuilder_ == null
+            ? retryPolicy_
+            : retryPolicyBuilder_.build();
       }
       if (((from_bitField0_ & 0x00004000) != 0)) {
         result.detached_ = detached_;
@@ -1764,10 +1617,9 @@ private void buildPartial0(com.google.pubsub.v1.Subscription result) {
         result.enableExactlyOnceDelivery_ = enableExactlyOnceDelivery_;
       }
       if (((from_bitField0_ & 0x00010000) != 0)) {
-        result.topicMessageRetentionDuration_ =
-            topicMessageRetentionDurationBuilder_ == null
-                ? topicMessageRetentionDuration_
-                : topicMessageRetentionDurationBuilder_.build();
+        result.topicMessageRetentionDuration_ = topicMessageRetentionDurationBuilder_ == null
+            ? topicMessageRetentionDuration_
+            : topicMessageRetentionDurationBuilder_.build();
       }
       if (((from_bitField0_ & 0x00020000) != 0)) {
         result.state_ = state_;
@@ -1778,39 +1630,38 @@ private void buildPartial0(com.google.pubsub.v1.Subscription result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.Subscription) {
-        return mergeFrom((com.google.pubsub.v1.Subscription) other);
+        return mergeFrom((com.google.pubsub.v1.Subscription)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -1847,7 +1698,8 @@ public Builder mergeFrom(com.google.pubsub.v1.Subscription other) {
       if (other.hasMessageRetentionDuration()) {
         mergeMessageRetentionDuration(other.getMessageRetentionDuration());
       }
-      internalGetMutableLabels().mergeFrom(other.internalGetLabels());
+      internalGetMutableLabels().mergeFrom(
+          other.internalGetLabels());
       bitField0_ |= 0x00000100;
       if (other.getEnableMessageOrdering() != false) {
         setEnableMessageOrdering(other.getEnableMessageOrdering());
@@ -1904,132 +1756,122 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                topic_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 34:
-              {
-                input.readMessage(getPushConfigFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 34
-            case 40:
-              {
-                ackDeadlineSeconds_ = input.readInt32();
-                bitField0_ |= 0x00000020;
-                break;
-              } // case 40
-            case 56:
-              {
-                retainAckedMessages_ = input.readBool();
-                bitField0_ |= 0x00000040;
-                break;
-              } // case 56
-            case 66:
-              {
-                input.readMessage(
-                    getMessageRetentionDurationFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000080;
-                break;
-              } // case 66
-            case 74:
-              {
-                com.google.protobuf.MapEntry labels__ =
-                    input.readMessage(
-                        LabelsDefaultEntryHolder.defaultEntry.getParserForType(),
-                        extensionRegistry);
-                internalGetMutableLabels()
-                    .getMutableMap()
-                    .put(labels__.getKey(), labels__.getValue());
-                bitField0_ |= 0x00000100;
-                break;
-              } // case 74
-            case 80:
-              {
-                enableMessageOrdering_ = input.readBool();
-                bitField0_ |= 0x00000200;
-                break;
-              } // case 80
-            case 90:
-              {
-                input.readMessage(
-                    getExpirationPolicyFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000400;
-                break;
-              } // case 90
-            case 98:
-              {
-                filter_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000800;
-                break;
-              } // case 98
-            case 106:
-              {
-                input.readMessage(
-                    getDeadLetterPolicyFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00001000;
-                break;
-              } // case 106
-            case 114:
-              {
-                input.readMessage(getRetryPolicyFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00002000;
-                break;
-              } // case 114
-            case 120:
-              {
-                detached_ = input.readBool();
-                bitField0_ |= 0x00004000;
-                break;
-              } // case 120
-            case 128:
-              {
-                enableExactlyOnceDelivery_ = input.readBool();
-                bitField0_ |= 0x00008000;
-                break;
-              } // case 128
-            case 138:
-              {
-                input.readMessage(
-                    getTopicMessageRetentionDurationFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00010000;
-                break;
-              } // case 138
-            case 146:
-              {
-                input.readMessage(getBigqueryConfigFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 146
-            case 152:
-              {
-                state_ = input.readEnum();
-                bitField0_ |= 0x00020000;
-                break;
-              } // case 152
-            case 178:
-              {
-                input.readMessage(
-                    getCloudStorageConfigFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 178
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              topic_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 34: {
+              input.readMessage(
+                  getPushConfigFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 34
+            case 40: {
+              ackDeadlineSeconds_ = input.readInt32();
+              bitField0_ |= 0x00000020;
+              break;
+            } // case 40
+            case 56: {
+              retainAckedMessages_ = input.readBool();
+              bitField0_ |= 0x00000040;
+              break;
+            } // case 56
+            case 66: {
+              input.readMessage(
+                  getMessageRetentionDurationFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000080;
+              break;
+            } // case 66
+            case 74: {
+              com.google.protobuf.MapEntry
+              labels__ = input.readMessage(
+                  LabelsDefaultEntryHolder.defaultEntry.getParserForType(), extensionRegistry);
+              internalGetMutableLabels().getMutableMap().put(
+                  labels__.getKey(), labels__.getValue());
+              bitField0_ |= 0x00000100;
+              break;
+            } // case 74
+            case 80: {
+              enableMessageOrdering_ = input.readBool();
+              bitField0_ |= 0x00000200;
+              break;
+            } // case 80
+            case 90: {
+              input.readMessage(
+                  getExpirationPolicyFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000400;
+              break;
+            } // case 90
+            case 98: {
+              filter_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000800;
+              break;
+            } // case 98
+            case 106: {
+              input.readMessage(
+                  getDeadLetterPolicyFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00001000;
+              break;
+            } // case 106
+            case 114: {
+              input.readMessage(
+                  getRetryPolicyFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00002000;
+              break;
+            } // case 114
+            case 120: {
+              detached_ = input.readBool();
+              bitField0_ |= 0x00004000;
+              break;
+            } // case 120
+            case 128: {
+              enableExactlyOnceDelivery_ = input.readBool();
+              bitField0_ |= 0x00008000;
+              break;
+            } // case 128
+            case 138: {
+              input.readMessage(
+                  getTopicMessageRetentionDurationFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00010000;
+              break;
+            } // case 138
+            case 146: {
+              input.readMessage(
+                  getBigqueryConfigFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 146
+            case 152: {
+              state_ = input.readEnum();
+              bitField0_ |= 0x00020000;
+              break;
+            } // case 152
+            case 178: {
+              input.readMessage(
+                  getCloudStorageConfigFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000010;
+              break;
+            } // case 178
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -2039,13 +1881,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the subscription. It must have the format
      * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -2056,13 +1895,13 @@ public Builder mergeFrom(
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -2071,8 +1910,6 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription. It must have the format
      * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -2083,14 +1920,15 @@ public java.lang.String getName() {
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -2098,8 +1936,6 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription. It must have the format
      * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -2110,22 +1946,18 @@ public com.google.protobuf.ByteString getNameBytes() {
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription. It must have the format
      * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -2136,7 +1968,6 @@ public Builder setName(java.lang.String value) {
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -2146,8 +1977,6 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the subscription. It must have the format
      * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -2158,14 +1987,12 @@ public Builder clearName() {
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -2175,24 +2002,20 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
 
     private java.lang.Object topic_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the topic from which this subscription is receiving
      * messages. Format is `projects/{project}/topics/{topic}`. The value of this
      * field will be `_deleted-topic_` if the topic has been deleted.
      * 
        
      *
-     * 
-     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The topic.
      */
     public java.lang.String getTopic() {
       java.lang.Object ref = topic_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         topic_ = s;
         return s;
@@ -2201,25 +2024,22 @@ public java.lang.String getTopic() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic from which this subscription is receiving
      * messages. Format is `projects/{project}/topics/{topic}`. The value of this
      * field will be `_deleted-topic_` if the topic has been deleted.
      * 
        
      *
-     * 
-     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for topic.
      */
-    public com.google.protobuf.ByteString getTopicBytes() {
+    public com.google.protobuf.ByteString
+        getTopicBytes() {
       java.lang.Object ref = topic_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         topic_ = b;
         return b;
       } else {
@@ -2227,43 +2047,32 @@ public com.google.protobuf.ByteString getTopicBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic from which this subscription is receiving
      * messages. Format is `projects/{project}/topics/{topic}`. The value of this
      * field will be `_deleted-topic_` if the topic has been deleted.
      * 
        
      *
-     * 
-     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopic(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopic(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       topic_ = value;
       bitField0_ |= 0x00000002;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic from which this subscription is receiving
      * messages. Format is `projects/{project}/topics/{topic}`. The value of this
      * field will be `_deleted-topic_` if the topic has been deleted.
      * 
        
      *
-     * 
-     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearTopic() {
@@ -2273,25 +2082,19 @@ public Builder clearTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic from which this subscription is receiving
      * messages. Format is `projects/{project}/topics/{topic}`. The value of this
      * field will be `_deleted-topic_` if the topic has been deleted.
      * 
        
      *
-     * 
-     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for topic to set.
      * @return This builder for chaining.
      */
-    public Builder setTopicBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setTopicBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       topic_ = value;
       bitField0_ |= 0x00000002;
@@ -2301,55 +2104,42 @@ public Builder setTopicBytes(com.google.protobuf.ByteString value) {
 
     private com.google.pubsub.v1.PushConfig pushConfig_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig,
-            com.google.pubsub.v1.PushConfig.Builder,
-            com.google.pubsub.v1.PushConfigOrBuilder>
-        pushConfigBuilder_;
+        com.google.pubsub.v1.PushConfig, com.google.pubsub.v1.PushConfig.Builder, com.google.pubsub.v1.PushConfigOrBuilder> pushConfigBuilder_;
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
-     *
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the pushConfig field is set.
      */
     public boolean hasPushConfig() {
       return ((bitField0_ & 0x00000004) != 0);
     }
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
-     *
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      * @return The pushConfig.
      */
     public com.google.pubsub.v1.PushConfig getPushConfig() {
       if (pushConfigBuilder_ == null) {
-        return pushConfig_ == null
-            ? com.google.pubsub.v1.PushConfig.getDefaultInstance()
-            : pushConfig_;
+        return pushConfig_ == null ? com.google.pubsub.v1.PushConfig.getDefaultInstance() : pushConfig_;
       } else {
         return pushConfigBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setPushConfig(com.google.pubsub.v1.PushConfig value) {
       if (pushConfigBuilder_ == null) {
@@ -2365,16 +2155,15 @@ public Builder setPushConfig(com.google.pubsub.v1.PushConfig value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setPushConfig(com.google.pubsub.v1.PushConfig.Builder builderForValue) {
+    public Builder setPushConfig(
+        com.google.pubsub.v1.PushConfig.Builder builderForValue) {
       if (pushConfigBuilder_ == null) {
         pushConfig_ = builderForValue.build();
       } else {
@@ -2385,20 +2174,18 @@ public Builder setPushConfig(com.google.pubsub.v1.PushConfig.Builder builderForV
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergePushConfig(com.google.pubsub.v1.PushConfig value) {
       if (pushConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00000004) != 0)
-            && pushConfig_ != null
-            && pushConfig_ != com.google.pubsub.v1.PushConfig.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000004) != 0) &&
+          pushConfig_ != null &&
+          pushConfig_ != com.google.pubsub.v1.PushConfig.getDefaultInstance()) {
           getPushConfigBuilder().mergeFrom(value);
         } else {
           pushConfig_ = value;
@@ -2411,14 +2198,12 @@ public Builder mergePushConfig(com.google.pubsub.v1.PushConfig value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearPushConfig() {
       bitField0_ = (bitField0_ & ~0x00000004);
@@ -2431,14 +2216,12 @@ public Builder clearPushConfig() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.PushConfig.Builder getPushConfigBuilder() {
       bitField0_ |= 0x00000004;
@@ -2446,46 +2229,38 @@ public com.google.pubsub.v1.PushConfig.Builder getPushConfigBuilder() {
       return getPushConfigFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder() {
       if (pushConfigBuilder_ != null) {
         return pushConfigBuilder_.getMessageOrBuilder();
       } else {
-        return pushConfig_ == null
-            ? com.google.pubsub.v1.PushConfig.getDefaultInstance()
-            : pushConfig_;
+        return pushConfig_ == null ?
+            com.google.pubsub.v1.PushConfig.getDefaultInstance() : pushConfig_;
       }
     }
     /**
-     *
-     *
      * 
        -     * If push delivery is used with this subscription, this field is
+     * Optional. If push delivery is used with this subscription, this field is
      * used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.PushConfig push_config = 4;
+     * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.PushConfig,
-            com.google.pubsub.v1.PushConfig.Builder,
-            com.google.pubsub.v1.PushConfigOrBuilder>
+        com.google.pubsub.v1.PushConfig, com.google.pubsub.v1.PushConfig.Builder, com.google.pubsub.v1.PushConfigOrBuilder> 
         getPushConfigFieldBuilder() {
       if (pushConfigBuilder_ == null) {
-        pushConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.PushConfig,
-                com.google.pubsub.v1.PushConfig.Builder,
-                com.google.pubsub.v1.PushConfigOrBuilder>(
-                getPushConfig(), getParentForChildren(), isClean());
+        pushConfigBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.PushConfig, com.google.pubsub.v1.PushConfig.Builder, com.google.pubsub.v1.PushConfigOrBuilder>(
+                getPushConfig(),
+                getParentForChildren(),
+                isClean());
         pushConfig_ = null;
       }
       return pushConfigBuilder_;
@@ -2493,55 +2268,42 @@ public com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder() {
 
     private com.google.pubsub.v1.BigQueryConfig bigqueryConfig_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.BigQueryConfig,
-            com.google.pubsub.v1.BigQueryConfig.Builder,
-            com.google.pubsub.v1.BigQueryConfigOrBuilder>
-        bigqueryConfigBuilder_;
+        com.google.pubsub.v1.BigQueryConfig, com.google.pubsub.v1.BigQueryConfig.Builder, com.google.pubsub.v1.BigQueryConfigOrBuilder> bigqueryConfigBuilder_;
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
-     *
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the bigqueryConfig field is set.
      */
     public boolean hasBigqueryConfig() {
       return ((bitField0_ & 0x00000008) != 0);
     }
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
-     *
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bigqueryConfig.
      */
     public com.google.pubsub.v1.BigQueryConfig getBigqueryConfig() {
       if (bigqueryConfigBuilder_ == null) {
-        return bigqueryConfig_ == null
-            ? com.google.pubsub.v1.BigQueryConfig.getDefaultInstance()
-            : bigqueryConfig_;
+        return bigqueryConfig_ == null ? com.google.pubsub.v1.BigQueryConfig.getDefaultInstance() : bigqueryConfig_;
       } else {
         return bigqueryConfigBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setBigqueryConfig(com.google.pubsub.v1.BigQueryConfig value) {
       if (bigqueryConfigBuilder_ == null) {
@@ -2557,16 +2319,15 @@ public Builder setBigqueryConfig(com.google.pubsub.v1.BigQueryConfig value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setBigqueryConfig(com.google.pubsub.v1.BigQueryConfig.Builder builderForValue) {
+    public Builder setBigqueryConfig(
+        com.google.pubsub.v1.BigQueryConfig.Builder builderForValue) {
       if (bigqueryConfigBuilder_ == null) {
         bigqueryConfig_ = builderForValue.build();
       } else {
@@ -2577,20 +2338,18 @@ public Builder setBigqueryConfig(com.google.pubsub.v1.BigQueryConfig.Builder bui
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeBigqueryConfig(com.google.pubsub.v1.BigQueryConfig value) {
       if (bigqueryConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00000008) != 0)
-            && bigqueryConfig_ != null
-            && bigqueryConfig_ != com.google.pubsub.v1.BigQueryConfig.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000008) != 0) &&
+          bigqueryConfig_ != null &&
+          bigqueryConfig_ != com.google.pubsub.v1.BigQueryConfig.getDefaultInstance()) {
           getBigqueryConfigBuilder().mergeFrom(value);
         } else {
           bigqueryConfig_ = value;
@@ -2603,14 +2362,12 @@ public Builder mergeBigqueryConfig(com.google.pubsub.v1.BigQueryConfig value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearBigqueryConfig() {
       bitField0_ = (bitField0_ & ~0x00000008);
@@ -2623,14 +2380,12 @@ public Builder clearBigqueryConfig() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.BigQueryConfig.Builder getBigqueryConfigBuilder() {
       bitField0_ |= 0x00000008;
@@ -2638,46 +2393,38 @@ public com.google.pubsub.v1.BigQueryConfig.Builder getBigqueryConfigBuilder() {
       return getBigqueryConfigFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.BigQueryConfigOrBuilder getBigqueryConfigOrBuilder() {
       if (bigqueryConfigBuilder_ != null) {
         return bigqueryConfigBuilder_.getMessageOrBuilder();
       } else {
-        return bigqueryConfig_ == null
-            ? com.google.pubsub.v1.BigQueryConfig.getDefaultInstance()
-            : bigqueryConfig_;
+        return bigqueryConfig_ == null ?
+            com.google.pubsub.v1.BigQueryConfig.getDefaultInstance() : bigqueryConfig_;
       }
     }
     /**
-     *
-     *
      * 
        -     * If delivery to BigQuery is used with this subscription, this field is
-     * used to configure it.
+     * Optional. If delivery to BigQuery is used with this subscription, this
+     * field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+     * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.BigQueryConfig,
-            com.google.pubsub.v1.BigQueryConfig.Builder,
-            com.google.pubsub.v1.BigQueryConfigOrBuilder>
+        com.google.pubsub.v1.BigQueryConfig, com.google.pubsub.v1.BigQueryConfig.Builder, com.google.pubsub.v1.BigQueryConfigOrBuilder> 
         getBigqueryConfigFieldBuilder() {
       if (bigqueryConfigBuilder_ == null) {
-        bigqueryConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.BigQueryConfig,
-                com.google.pubsub.v1.BigQueryConfig.Builder,
-                com.google.pubsub.v1.BigQueryConfigOrBuilder>(
-                getBigqueryConfig(), getParentForChildren(), isClean());
+        bigqueryConfigBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.BigQueryConfig, com.google.pubsub.v1.BigQueryConfig.Builder, com.google.pubsub.v1.BigQueryConfigOrBuilder>(
+                getBigqueryConfig(),
+                getParentForChildren(),
+                isClean());
         bigqueryConfig_ = null;
       }
       return bigqueryConfigBuilder_;
@@ -2685,55 +2432,42 @@ public com.google.pubsub.v1.BigQueryConfigOrBuilder getBigqueryConfigOrBuilder()
 
     private com.google.pubsub.v1.CloudStorageConfig cloudStorageConfig_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.CloudStorageConfig,
-            com.google.pubsub.v1.CloudStorageConfig.Builder,
-            com.google.pubsub.v1.CloudStorageConfigOrBuilder>
-        cloudStorageConfigBuilder_;
+        com.google.pubsub.v1.CloudStorageConfig, com.google.pubsub.v1.CloudStorageConfig.Builder, com.google.pubsub.v1.CloudStorageConfigOrBuilder> cloudStorageConfigBuilder_;
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
-     *
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the cloudStorageConfig field is set.
      */
     public boolean hasCloudStorageConfig() {
       return ((bitField0_ & 0x00000010) != 0);
     }
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
-     *
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      * @return The cloudStorageConfig.
      */
     public com.google.pubsub.v1.CloudStorageConfig getCloudStorageConfig() {
       if (cloudStorageConfigBuilder_ == null) {
-        return cloudStorageConfig_ == null
-            ? com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance()
-            : cloudStorageConfig_;
+        return cloudStorageConfig_ == null ? com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance() : cloudStorageConfig_;
       } else {
         return cloudStorageConfigBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setCloudStorageConfig(com.google.pubsub.v1.CloudStorageConfig value) {
       if (cloudStorageConfigBuilder_ == null) {
@@ -2749,14 +2483,12 @@ public Builder setCloudStorageConfig(com.google.pubsub.v1.CloudStorageConfig val
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setCloudStorageConfig(
         com.google.pubsub.v1.CloudStorageConfig.Builder builderForValue) {
@@ -2770,21 +2502,18 @@ public Builder setCloudStorageConfig(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeCloudStorageConfig(com.google.pubsub.v1.CloudStorageConfig value) {
       if (cloudStorageConfigBuilder_ == null) {
-        if (((bitField0_ & 0x00000010) != 0)
-            && cloudStorageConfig_ != null
-            && cloudStorageConfig_
-                != com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000010) != 0) &&
+          cloudStorageConfig_ != null &&
+          cloudStorageConfig_ != com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance()) {
           getCloudStorageConfigBuilder().mergeFrom(value);
         } else {
           cloudStorageConfig_ = value;
@@ -2797,14 +2526,12 @@ public Builder mergeCloudStorageConfig(com.google.pubsub.v1.CloudStorageConfig v
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearCloudStorageConfig() {
       bitField0_ = (bitField0_ & ~0x00000010);
@@ -2817,14 +2544,12 @@ public Builder clearCloudStorageConfig() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.CloudStorageConfig.Builder getCloudStorageConfigBuilder() {
       bitField0_ |= 0x00000010;
@@ -2832,61 +2557,51 @@ public com.google.pubsub.v1.CloudStorageConfig.Builder getCloudStorageConfigBuil
       return getCloudStorageConfigFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.CloudStorageConfigOrBuilder getCloudStorageConfigOrBuilder() {
       if (cloudStorageConfigBuilder_ != null) {
         return cloudStorageConfigBuilder_.getMessageOrBuilder();
       } else {
-        return cloudStorageConfig_ == null
-            ? com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance()
-            : cloudStorageConfig_;
+        return cloudStorageConfig_ == null ?
+            com.google.pubsub.v1.CloudStorageConfig.getDefaultInstance() : cloudStorageConfig_;
       }
     }
     /**
-     *
-     *
      * 
        -     * If delivery to Google Cloud Storage is used with this subscription, this
-     * field is used to configure it.
+     * Optional. If delivery to Google Cloud Storage is used with this
+     * subscription, this field is used to configure it.
      * 
        
      *
-     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+     * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.CloudStorageConfig,
-            com.google.pubsub.v1.CloudStorageConfig.Builder,
-            com.google.pubsub.v1.CloudStorageConfigOrBuilder>
+        com.google.pubsub.v1.CloudStorageConfig, com.google.pubsub.v1.CloudStorageConfig.Builder, com.google.pubsub.v1.CloudStorageConfigOrBuilder> 
         getCloudStorageConfigFieldBuilder() {
       if (cloudStorageConfigBuilder_ == null) {
-        cloudStorageConfigBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.CloudStorageConfig,
-                com.google.pubsub.v1.CloudStorageConfig.Builder,
-                com.google.pubsub.v1.CloudStorageConfigOrBuilder>(
-                getCloudStorageConfig(), getParentForChildren(), isClean());
+        cloudStorageConfigBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.CloudStorageConfig, com.google.pubsub.v1.CloudStorageConfig.Builder, com.google.pubsub.v1.CloudStorageConfigOrBuilder>(
+                getCloudStorageConfig(),
+                getParentForChildren(),
+                isClean());
         cloudStorageConfig_ = null;
       }
       return cloudStorageConfigBuilder_;
     }
 
-    private int ackDeadlineSeconds_;
+    private int ackDeadlineSeconds_ ;
     /**
-     *
-     *
      * 
        -     * The approximate amount of time (on a best-effort basis) Pub/Sub waits for
-     * the subscriber to acknowledge receipt before resending the message. In the
-     * interval after the message is delivered and before it is acknowledged, it
-     * is considered to be _outstanding_. During that time period, the
-     * message will not be redelivered (on a best-effort basis).
+     * Optional. The approximate amount of time (on a best-effort basis) Pub/Sub
+     * waits for the subscriber to acknowledge receipt before resending the
+     * message. In the interval after the message is delivered and before it is
+     * acknowledged, it is considered to be _outstanding_. During that time
+     * period, the message will not be redelivered (on a best-effort basis).
      *
      * For pull subscriptions, this value is used as the initial value for the ack
      * deadline. To override this value for a given message, call
@@ -2904,8 +2619,7 @@ public com.google.pubsub.v1.CloudStorageConfigOrBuilder getCloudStorageConfigOrB
      * system will eventually redeliver the message.
      * 
        
      *
-     * int32 ack_deadline_seconds = 5;
-     *
+     * int32 ack_deadline_seconds = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return The ackDeadlineSeconds.
      */
     @java.lang.Override
@@ -2913,14 +2627,12 @@ public int getAckDeadlineSeconds() {
       return ackDeadlineSeconds_;
     }
     /**
-     *
-     *
      * 
        -     * The approximate amount of time (on a best-effort basis) Pub/Sub waits for
-     * the subscriber to acknowledge receipt before resending the message. In the
-     * interval after the message is delivered and before it is acknowledged, it
-     * is considered to be _outstanding_. During that time period, the
-     * message will not be redelivered (on a best-effort basis).
+     * Optional. The approximate amount of time (on a best-effort basis) Pub/Sub
+     * waits for the subscriber to acknowledge receipt before resending the
+     * message. In the interval after the message is delivered and before it is
+     * acknowledged, it is considered to be _outstanding_. During that time
+     * period, the message will not be redelivered (on a best-effort basis).
      *
      * For pull subscriptions, this value is used as the initial value for the ack
      * deadline. To override this value for a given message, call
@@ -2938,8 +2650,7 @@ public int getAckDeadlineSeconds() {
      * system will eventually redeliver the message.
      * 
        
      *
-     * int32 ack_deadline_seconds = 5;
-     *
+     * int32 ack_deadline_seconds = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The ackDeadlineSeconds to set.
      * @return This builder for chaining.
      */
@@ -2951,14 +2662,12 @@ public Builder setAckDeadlineSeconds(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The approximate amount of time (on a best-effort basis) Pub/Sub waits for
-     * the subscriber to acknowledge receipt before resending the message. In the
-     * interval after the message is delivered and before it is acknowledged, it
-     * is considered to be _outstanding_. During that time period, the
-     * message will not be redelivered (on a best-effort basis).
+     * Optional. The approximate amount of time (on a best-effort basis) Pub/Sub
+     * waits for the subscriber to acknowledge receipt before resending the
+     * message. In the interval after the message is delivered and before it is
+     * acknowledged, it is considered to be _outstanding_. During that time
+     * period, the message will not be redelivered (on a best-effort basis).
      *
      * For pull subscriptions, this value is used as the initial value for the ack
      * deadline. To override this value for a given message, call
@@ -2976,8 +2685,7 @@ public Builder setAckDeadlineSeconds(int value) {
      * system will eventually redeliver the message.
      * 
        
      *
-     * int32 ack_deadline_seconds = 5;
-     *
+     * int32 ack_deadline_seconds = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearAckDeadlineSeconds() {
@@ -2987,12 +2695,10 @@ public Builder clearAckDeadlineSeconds() {
       return this;
     }
 
-    private boolean retainAckedMessages_;
+    private boolean retainAckedMessages_ ;
     /**
-     *
-     *
      * 
        -     * Indicates whether to retain acknowledged messages. If true, then
+     * Optional. Indicates whether to retain acknowledged messages. If true, then
      * messages are not expunged from the subscription's backlog, even if they are
      * acknowledged, until they fall out of the `message_retention_duration`
      * window. This must be true if you would like to [`Seek` to a timestamp]
@@ -3000,8 +2706,7 @@ public Builder clearAckDeadlineSeconds() {
      * the past to replay previously-acknowledged messages.
      * 
        
      *
-     * bool retain_acked_messages = 7;
-     *
+     * bool retain_acked_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @return The retainAckedMessages.
      */
     @java.lang.Override
@@ -3009,10 +2714,8 @@ public boolean getRetainAckedMessages() {
       return retainAckedMessages_;
     }
     /**
-     *
-     *
      * 
        -     * Indicates whether to retain acknowledged messages. If true, then
+     * Optional. Indicates whether to retain acknowledged messages. If true, then
      * messages are not expunged from the subscription's backlog, even if they are
      * acknowledged, until they fall out of the `message_retention_duration`
      * window. This must be true if you would like to [`Seek` to a timestamp]
@@ -3020,8 +2723,7 @@ public boolean getRetainAckedMessages() {
      * the past to replay previously-acknowledged messages.
      * 
        
      *
-     * bool retain_acked_messages = 7;
-     *
+     * bool retain_acked_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The retainAckedMessages to set.
      * @return This builder for chaining.
      */
@@ -3033,10 +2735,8 @@ public Builder setRetainAckedMessages(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Indicates whether to retain acknowledged messages. If true, then
+     * Optional. Indicates whether to retain acknowledged messages. If true, then
      * messages are not expunged from the subscription's backlog, even if they are
      * acknowledged, until they fall out of the `message_retention_duration`
      * window. This must be true if you would like to [`Seek` to a timestamp]
@@ -3044,8 +2744,7 @@ public Builder setRetainAckedMessages(boolean value) {
      * the past to replay previously-acknowledged messages.
      * 
        
      *
-     * bool retain_acked_messages = 7;
-     *
+     * bool retain_acked_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearRetainAckedMessages() {
@@ -3057,67 +2756,51 @@ public Builder clearRetainAckedMessages() {
 
     private com.google.protobuf.Duration messageRetentionDuration_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
-        messageRetentionDurationBuilder_;
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> messageRetentionDurationBuilder_;
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
-     *
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the messageRetentionDuration field is set.
      */
     public boolean hasMessageRetentionDuration() {
       return ((bitField0_ & 0x00000080) != 0);
     }
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
-     *
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      * @return The messageRetentionDuration.
      */
     public com.google.protobuf.Duration getMessageRetentionDuration() {
       if (messageRetentionDurationBuilder_ == null) {
-        return messageRetentionDuration_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : messageRetentionDuration_;
+        return messageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : messageRetentionDuration_;
       } else {
         return messageRetentionDurationBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMessageRetentionDuration(com.google.protobuf.Duration value) {
       if (messageRetentionDurationBuilder_ == null) {
@@ -3133,18 +2816,15 @@ public Builder setMessageRetentionDuration(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMessageRetentionDuration(
         com.google.protobuf.Duration.Builder builderForValue) {
@@ -3158,24 +2838,21 @@ public Builder setMessageRetentionDuration(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeMessageRetentionDuration(com.google.protobuf.Duration value) {
       if (messageRetentionDurationBuilder_ == null) {
-        if (((bitField0_ & 0x00000080) != 0)
-            && messageRetentionDuration_ != null
-            && messageRetentionDuration_ != com.google.protobuf.Duration.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000080) != 0) &&
+          messageRetentionDuration_ != null &&
+          messageRetentionDuration_ != com.google.protobuf.Duration.getDefaultInstance()) {
           getMessageRetentionDurationBuilder().mergeFrom(value);
         } else {
           messageRetentionDuration_ = value;
@@ -3188,18 +2865,15 @@ public Builder mergeMessageRetentionDuration(com.google.protobuf.Duration value)
       return this;
     }
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearMessageRetentionDuration() {
       bitField0_ = (bitField0_ & ~0x00000080);
@@ -3212,18 +2886,15 @@ public Builder clearMessageRetentionDuration() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.Duration.Builder getMessageRetentionDurationBuilder() {
       bitField0_ |= 0x00000080;
@@ -3231,72 +2902,64 @@ public com.google.protobuf.Duration.Builder getMessageRetentionDurationBuilder()
       return getMessageRetentionDurationFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.DurationOrBuilder getMessageRetentionDurationOrBuilder() {
       if (messageRetentionDurationBuilder_ != null) {
         return messageRetentionDurationBuilder_.getMessageOrBuilder();
       } else {
-        return messageRetentionDuration_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : messageRetentionDuration_;
+        return messageRetentionDuration_ == null ?
+            com.google.protobuf.Duration.getDefaultInstance() : messageRetentionDuration_;
       }
     }
     /**
-     *
-     *
      * 
        -     * How long to retain unacknowledged messages in the subscription's backlog,
-     * from the moment a message is published.
-     * If `retain_acked_messages` is true, then this also configures the retention
-     * of acknowledged messages, and thus configures how far back in time a `Seek`
-     * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-     * minutes.
+     * Optional. How long to retain unacknowledged messages in the subscription's
+     * backlog, from the moment a message is published. If `retain_acked_messages`
+     * is true, then this also configures the retention of acknowledged messages,
+     * and thus configures how far back in time a `Seek` can be done. Defaults to
+     * 7 days. Cannot be more than 7 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
         getMessageRetentionDurationFieldBuilder() {
       if (messageRetentionDurationBuilder_ == null) {
-        messageRetentionDurationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Duration,
-                com.google.protobuf.Duration.Builder,
-                com.google.protobuf.DurationOrBuilder>(
-                getMessageRetentionDuration(), getParentForChildren(), isClean());
+        messageRetentionDurationBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
+                getMessageRetentionDuration(),
+                getParentForChildren(),
+                isClean());
         messageRetentionDuration_ = null;
       }
       return messageRetentionDurationBuilder_;
     }
 
-    private com.google.protobuf.MapField labels_;
-
-    private com.google.protobuf.MapField internalGetLabels() {
+    private com.google.protobuf.MapField<
+        java.lang.String, java.lang.String> labels_;
+    private com.google.protobuf.MapField
+        internalGetLabels() {
       if (labels_ == null) {
-        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+        return com.google.protobuf.MapField.emptyMapField(
+            LabelsDefaultEntryHolder.defaultEntry);
       }
       return labels_;
     }
-
     private com.google.protobuf.MapField
         internalGetMutableLabels() {
       if (labels_ == null) {
-        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
+        labels_ = com.google.protobuf.MapField.newMapField(
+            LabelsDefaultEntryHolder.defaultEntry);
       }
       if (!labels_.isMutable()) {
         labels_ = labels_.copy();
@@ -3305,168 +2968,155 @@ private com.google.protobuf.MapField interna
       onChanged();
       return labels_;
     }
-
     public int getLabelsCount() {
       return internalGetLabels().getMap().size();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 9;
+     * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public boolean containsLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
+    public boolean containsLabels(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
       return internalGetLabels().getMap().containsKey(key);
     }
-    /** Use {@link #getLabelsMap()} instead. */
+    /**
+     * Use {@link #getLabelsMap()} instead.
+     */
     @java.lang.Override
     @java.lang.Deprecated
     public java.util.Map getLabels() {
       return getLabelsMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 9;
+     * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public java.util.Map getLabelsMap() {
       return internalGetLabels().getMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 9;
+     * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public /* nullable */ java.lang.String getLabelsOrDefault(
+    public /* nullable */
+java.lang.String getLabelsOrDefault(
         java.lang.String key,
         /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
+java.lang.String defaultValue) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetLabels().getMap();
       return map.containsKey(key) ? map.get(key) : defaultValue;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 9;
+     * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public java.lang.String getLabelsOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
+    public java.lang.String getLabelsOrThrow(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetLabels().getMap();
       if (!map.containsKey(key)) {
         throw new java.lang.IllegalArgumentException();
       }
       return map.get(key);
     }
-
     public Builder clearLabels() {
       bitField0_ = (bitField0_ & ~0x00000100);
-      internalGetMutableLabels().getMutableMap().clear();
+      internalGetMutableLabels().getMutableMap()
+          .clear();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 9;
+     * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder removeLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableLabels().getMutableMap().remove(key);
+    public Builder removeLabels(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      internalGetMutableLabels().getMutableMap()
+          .remove(key);
       return this;
     }
-    /** Use alternate mutation accessors instead. */
+    /**
+     * Use alternate mutation accessors instead.
+     */
     @java.lang.Deprecated
-    public java.util.Map getMutableLabels() {
+    public java.util.Map
+        getMutableLabels() {
       bitField0_ |= 0x00000100;
       return internalGetMutableLabels().getMutableMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 9;
+     * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putLabels(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      if (value == null) {
-        throw new NullPointerException("map value");
-      }
-      internalGetMutableLabels().getMutableMap().put(key, value);
+    public Builder putLabels(
+        java.lang.String key,
+        java.lang.String value) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      if (value == null) { throw new NullPointerException("map value"); }
+      internalGetMutableLabels().getMutableMap()
+          .put(key, value);
       bitField0_ |= 0x00000100;
       return this;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing
+     * Optional. See [Creating and managing
      * labels](https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 9;
+     * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putAllLabels(java.util.Map values) {
-      internalGetMutableLabels().getMutableMap().putAll(values);
+    public Builder putAllLabels(
+        java.util.Map values) {
+      internalGetMutableLabels().getMutableMap()
+          .putAll(values);
       bitField0_ |= 0x00000100;
       return this;
     }
 
-    private boolean enableMessageOrdering_;
+    private boolean enableMessageOrdering_ ;
     /**
-     *
-     *
      * 
        -     * If true, messages published with the same `ordering_key` in `PubsubMessage`
-     * will be delivered to the subscribers in the order in which they
-     * are received by the Pub/Sub system. Otherwise, they may be delivered in
-     * any order.
+     * Optional. If true, messages published with the same `ordering_key` in
+     * `PubsubMessage` will be delivered to the subscribers in the order in which
+     * they are received by the Pub/Sub system. Otherwise, they may be delivered
+     * in any order.
      * 
        
      *
-     * bool enable_message_ordering = 10;
-     *
+     * bool enable_message_ordering = 10 [(.google.api.field_behavior) = OPTIONAL];
      * @return The enableMessageOrdering.
      */
     @java.lang.Override
@@ -3474,17 +3124,14 @@ public boolean getEnableMessageOrdering() {
       return enableMessageOrdering_;
     }
     /**
-     *
-     *
      * 
        -     * If true, messages published with the same `ordering_key` in `PubsubMessage`
-     * will be delivered to the subscribers in the order in which they
-     * are received by the Pub/Sub system. Otherwise, they may be delivered in
-     * any order.
+     * Optional. If true, messages published with the same `ordering_key` in
+     * `PubsubMessage` will be delivered to the subscribers in the order in which
+     * they are received by the Pub/Sub system. Otherwise, they may be delivered
+     * in any order.
      * 
        
      *
-     * bool enable_message_ordering = 10;
-     *
+     * bool enable_message_ordering = 10 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The enableMessageOrdering to set.
      * @return This builder for chaining.
      */
@@ -3496,17 +3143,14 @@ public Builder setEnableMessageOrdering(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If true, messages published with the same `ordering_key` in `PubsubMessage`
-     * will be delivered to the subscribers in the order in which they
-     * are received by the Pub/Sub system. Otherwise, they may be delivered in
-     * any order.
+     * Optional. If true, messages published with the same `ordering_key` in
+     * `PubsubMessage` will be delivered to the subscribers in the order in which
+     * they are received by the Pub/Sub system. Otherwise, they may be delivered
+     * in any order.
      * 
        
      *
-     * bool enable_message_ordering = 10;
-     *
+     * bool enable_message_ordering = 10 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearEnableMessageOrdering() {
@@ -3518,70 +3162,57 @@ public Builder clearEnableMessageOrdering() {
 
     private com.google.pubsub.v1.ExpirationPolicy expirationPolicy_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.ExpirationPolicy,
-            com.google.pubsub.v1.ExpirationPolicy.Builder,
-            com.google.pubsub.v1.ExpirationPolicyOrBuilder>
-        expirationPolicyBuilder_;
+        com.google.pubsub.v1.ExpirationPolicy, com.google.pubsub.v1.ExpirationPolicy.Builder, com.google.pubsub.v1.ExpirationPolicyOrBuilder> expirationPolicyBuilder_;
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
-     *
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the expirationPolicy field is set.
      */
     public boolean hasExpirationPolicy() {
       return ((bitField0_ & 0x00000400) != 0);
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
-     *
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      * @return The expirationPolicy.
      */
     public com.google.pubsub.v1.ExpirationPolicy getExpirationPolicy() {
       if (expirationPolicyBuilder_ == null) {
-        return expirationPolicy_ == null
-            ? com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance()
-            : expirationPolicy_;
+        return expirationPolicy_ == null ? com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance() : expirationPolicy_;
       } else {
         return expirationPolicyBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setExpirationPolicy(com.google.pubsub.v1.ExpirationPolicy value) {
       if (expirationPolicyBuilder_ == null) {
@@ -3597,19 +3228,17 @@ public Builder setExpirationPolicy(com.google.pubsub.v1.ExpirationPolicy value)
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setExpirationPolicy(
         com.google.pubsub.v1.ExpirationPolicy.Builder builderForValue) {
@@ -3623,25 +3252,23 @@ public Builder setExpirationPolicy(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeExpirationPolicy(com.google.pubsub.v1.ExpirationPolicy value) {
       if (expirationPolicyBuilder_ == null) {
-        if (((bitField0_ & 0x00000400) != 0)
-            && expirationPolicy_ != null
-            && expirationPolicy_ != com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000400) != 0) &&
+          expirationPolicy_ != null &&
+          expirationPolicy_ != com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance()) {
           getExpirationPolicyBuilder().mergeFrom(value);
         } else {
           expirationPolicy_ = value;
@@ -3654,19 +3281,17 @@ public Builder mergeExpirationPolicy(com.google.pubsub.v1.ExpirationPolicy value
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearExpirationPolicy() {
       bitField0_ = (bitField0_ & ~0x00000400);
@@ -3679,19 +3304,17 @@ public Builder clearExpirationPolicy() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.ExpirationPolicy.Builder getExpirationPolicyBuilder() {
       bitField0_ |= 0x00000400;
@@ -3699,56 +3322,48 @@ public com.google.pubsub.v1.ExpirationPolicy.Builder getExpirationPolicyBuilder(
       return getExpirationPolicyFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.ExpirationPolicyOrBuilder getExpirationPolicyOrBuilder() {
       if (expirationPolicyBuilder_ != null) {
         return expirationPolicyBuilder_.getMessageOrBuilder();
       } else {
-        return expirationPolicy_ == null
-            ? com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance()
-            : expirationPolicy_;
+        return expirationPolicy_ == null ?
+            com.google.pubsub.v1.ExpirationPolicy.getDefaultInstance() : expirationPolicy_;
       }
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for this subscription's expiration.
-     * A subscription is considered active as long as any connected subscriber is
-     * successfully consuming messages from the subscription or is issuing
-     * operations on the subscription. If `expiration_policy` is not set, a
-     * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+     * Optional. A policy that specifies the conditions for this subscription's
+     * expiration. A subscription is considered active as long as any connected
+     * subscriber is successfully consuming messages from the subscription or is
+     * issuing operations on the subscription. If `expiration_policy` is not set,
+     * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
      * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
      * but `expiration_policy.ttl` is not set, the subscription never expires.
      * 
        
      *
-     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+     * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.ExpirationPolicy,
-            com.google.pubsub.v1.ExpirationPolicy.Builder,
-            com.google.pubsub.v1.ExpirationPolicyOrBuilder>
+        com.google.pubsub.v1.ExpirationPolicy, com.google.pubsub.v1.ExpirationPolicy.Builder, com.google.pubsub.v1.ExpirationPolicyOrBuilder> 
         getExpirationPolicyFieldBuilder() {
       if (expirationPolicyBuilder_ == null) {
-        expirationPolicyBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.ExpirationPolicy,
-                com.google.pubsub.v1.ExpirationPolicy.Builder,
-                com.google.pubsub.v1.ExpirationPolicyOrBuilder>(
-                getExpirationPolicy(), getParentForChildren(), isClean());
+        expirationPolicyBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.ExpirationPolicy, com.google.pubsub.v1.ExpirationPolicy.Builder, com.google.pubsub.v1.ExpirationPolicyOrBuilder>(
+                getExpirationPolicy(),
+                getParentForChildren(),
+                isClean());
         expirationPolicy_ = null;
       }
       return expirationPolicyBuilder_;
@@ -3756,24 +3371,22 @@ public com.google.pubsub.v1.ExpirationPolicyOrBuilder getExpirationPolicyOrBuild
 
     private java.lang.Object filter_ = "";
     /**
-     *
-     *
      * 
        -     * An expression written in the Pub/Sub [filter
+     * Optional. An expression written in the Pub/Sub [filter
      * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
      * then only `PubsubMessage`s whose `attributes` field matches the filter are
      * delivered on this subscription. If empty, then no messages are filtered
      * out.
      * 
        
      *
-     * string filter = 12;
-     *
+     * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
      * @return The filter.
      */
     public java.lang.String getFilter() {
       java.lang.Object ref = filter_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         filter_ = s;
         return s;
@@ -3782,25 +3395,24 @@ public java.lang.String getFilter() {
       }
     }
     /**
-     *
-     *
      * 
        -     * An expression written in the Pub/Sub [filter
+     * Optional. An expression written in the Pub/Sub [filter
      * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
      * then only `PubsubMessage`s whose `attributes` field matches the filter are
      * delivered on this subscription. If empty, then no messages are filtered
      * out.
      * 
        
      *
-     * string filter = 12;
-     *
+     * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for filter.
      */
-    public com.google.protobuf.ByteString getFilterBytes() {
+    public com.google.protobuf.ByteString
+        getFilterBytes() {
       java.lang.Object ref = filter_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         filter_ = b;
         return b;
       } else {
@@ -3808,43 +3420,36 @@ public com.google.protobuf.ByteString getFilterBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * An expression written in the Pub/Sub [filter
+     * Optional. An expression written in the Pub/Sub [filter
      * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
      * then only `PubsubMessage`s whose `attributes` field matches the filter are
      * delivered on this subscription. If empty, then no messages are filtered
      * out.
      * 
        
      *
-     * string filter = 12;
-     *
+     * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The filter to set.
      * @return This builder for chaining.
      */
-    public Builder setFilter(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setFilter(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       filter_ = value;
       bitField0_ |= 0x00000800;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * An expression written in the Pub/Sub [filter
+     * Optional. An expression written in the Pub/Sub [filter
      * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
      * then only `PubsubMessage`s whose `attributes` field matches the filter are
      * delivered on this subscription. If empty, then no messages are filtered
      * out.
      * 
        
      *
-     * string filter = 12;
-     *
+     * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearFilter() {
@@ -3854,25 +3459,21 @@ public Builder clearFilter() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * An expression written in the Pub/Sub [filter
+     * Optional. An expression written in the Pub/Sub [filter
      * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
      * then only `PubsubMessage`s whose `attributes` field matches the filter are
      * delivered on this subscription. If empty, then no messages are filtered
      * out.
      * 
        
      *
-     * string filter = 12;
-     *
+     * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for filter to set.
      * @return This builder for chaining.
      */
-    public Builder setFilterBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setFilterBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       filter_ = value;
       bitField0_ |= 0x00000800;
@@ -3882,73 +3483,60 @@ public Builder setFilterBytes(com.google.protobuf.ByteString value) {
 
     private com.google.pubsub.v1.DeadLetterPolicy deadLetterPolicy_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.DeadLetterPolicy,
-            com.google.pubsub.v1.DeadLetterPolicy.Builder,
-            com.google.pubsub.v1.DeadLetterPolicyOrBuilder>
-        deadLetterPolicyBuilder_;
+        com.google.pubsub.v1.DeadLetterPolicy, com.google.pubsub.v1.DeadLetterPolicy.Builder, com.google.pubsub.v1.DeadLetterPolicyOrBuilder> deadLetterPolicyBuilder_;
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
-     *
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the deadLetterPolicy field is set.
      */
     public boolean hasDeadLetterPolicy() {
       return ((bitField0_ & 0x00001000) != 0);
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
-     *
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      * @return The deadLetterPolicy.
      */
     public com.google.pubsub.v1.DeadLetterPolicy getDeadLetterPolicy() {
       if (deadLetterPolicyBuilder_ == null) {
-        return deadLetterPolicy_ == null
-            ? com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance()
-            : deadLetterPolicy_;
+        return deadLetterPolicy_ == null ? com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance() : deadLetterPolicy_;
       } else {
         return deadLetterPolicyBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setDeadLetterPolicy(com.google.pubsub.v1.DeadLetterPolicy value) {
       if (deadLetterPolicyBuilder_ == null) {
@@ -3964,20 +3552,18 @@ public Builder setDeadLetterPolicy(com.google.pubsub.v1.DeadLetterPolicy value)
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setDeadLetterPolicy(
         com.google.pubsub.v1.DeadLetterPolicy.Builder builderForValue) {
@@ -3991,26 +3577,24 @@ public Builder setDeadLetterPolicy(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeDeadLetterPolicy(com.google.pubsub.v1.DeadLetterPolicy value) {
       if (deadLetterPolicyBuilder_ == null) {
-        if (((bitField0_ & 0x00001000) != 0)
-            && deadLetterPolicy_ != null
-            && deadLetterPolicy_ != com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance()) {
+        if (((bitField0_ & 0x00001000) != 0) &&
+          deadLetterPolicy_ != null &&
+          deadLetterPolicy_ != com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance()) {
           getDeadLetterPolicyBuilder().mergeFrom(value);
         } else {
           deadLetterPolicy_ = value;
@@ -4023,20 +3607,18 @@ public Builder mergeDeadLetterPolicy(com.google.pubsub.v1.DeadLetterPolicy value
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearDeadLetterPolicy() {
       bitField0_ = (bitField0_ & ~0x00001000);
@@ -4049,20 +3631,18 @@ public Builder clearDeadLetterPolicy() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.DeadLetterPolicy.Builder getDeadLetterPolicyBuilder() {
       bitField0_ |= 0x00001000;
@@ -4070,58 +3650,50 @@ public com.google.pubsub.v1.DeadLetterPolicy.Builder getDeadLetterPolicyBuilder(
       return getDeadLetterPolicyFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.DeadLetterPolicyOrBuilder getDeadLetterPolicyOrBuilder() {
       if (deadLetterPolicyBuilder_ != null) {
         return deadLetterPolicyBuilder_.getMessageOrBuilder();
       } else {
-        return deadLetterPolicy_ == null
-            ? com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance()
-            : deadLetterPolicy_;
+        return deadLetterPolicy_ == null ?
+            com.google.pubsub.v1.DeadLetterPolicy.getDefaultInstance() : deadLetterPolicy_;
       }
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies the conditions for dead lettering messages in
-     * this subscription. If dead_letter_policy is not set, dead lettering
-     * is disabled.
+     * Optional. A policy that specifies the conditions for dead lettering
+     * messages in this subscription. If dead_letter_policy is not set, dead
+     * lettering is disabled.
      *
-     * The Cloud Pub/Sub service account associated with this subscriptions's
+     * The Pub/Sub service account associated with this subscriptions's
      * parent project (i.e.,
      * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
      * permission to Acknowledge() messages on this subscription.
      * 
        
      *
-     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+     * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.DeadLetterPolicy,
-            com.google.pubsub.v1.DeadLetterPolicy.Builder,
-            com.google.pubsub.v1.DeadLetterPolicyOrBuilder>
+        com.google.pubsub.v1.DeadLetterPolicy, com.google.pubsub.v1.DeadLetterPolicy.Builder, com.google.pubsub.v1.DeadLetterPolicyOrBuilder> 
         getDeadLetterPolicyFieldBuilder() {
       if (deadLetterPolicyBuilder_ == null) {
-        deadLetterPolicyBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.DeadLetterPolicy,
-                com.google.pubsub.v1.DeadLetterPolicy.Builder,
-                com.google.pubsub.v1.DeadLetterPolicyOrBuilder>(
-                getDeadLetterPolicy(), getParentForChildren(), isClean());
+        deadLetterPolicyBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.DeadLetterPolicy, com.google.pubsub.v1.DeadLetterPolicy.Builder, com.google.pubsub.v1.DeadLetterPolicyOrBuilder>(
+                getDeadLetterPolicy(),
+                getParentForChildren(),
+                isClean());
         deadLetterPolicy_ = null;
       }
       return deadLetterPolicyBuilder_;
@@ -4129,16 +3701,11 @@ public com.google.pubsub.v1.DeadLetterPolicyOrBuilder getDeadLetterPolicyOrBuild
 
     private com.google.pubsub.v1.RetryPolicy retryPolicy_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.RetryPolicy,
-            com.google.pubsub.v1.RetryPolicy.Builder,
-            com.google.pubsub.v1.RetryPolicyOrBuilder>
-        retryPolicyBuilder_;
+        com.google.pubsub.v1.RetryPolicy, com.google.pubsub.v1.RetryPolicy.Builder, com.google.pubsub.v1.RetryPolicyOrBuilder> retryPolicyBuilder_;
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4146,19 +3713,16 @@ public com.google.pubsub.v1.DeadLetterPolicyOrBuilder getDeadLetterPolicyOrBuild
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
-     *
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the retryPolicy field is set.
      */
     public boolean hasRetryPolicy() {
       return ((bitField0_ & 0x00002000) != 0);
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4166,25 +3730,20 @@ public boolean hasRetryPolicy() {
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
-     *
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      * @return The retryPolicy.
      */
     public com.google.pubsub.v1.RetryPolicy getRetryPolicy() {
       if (retryPolicyBuilder_ == null) {
-        return retryPolicy_ == null
-            ? com.google.pubsub.v1.RetryPolicy.getDefaultInstance()
-            : retryPolicy_;
+        return retryPolicy_ == null ? com.google.pubsub.v1.RetryPolicy.getDefaultInstance() : retryPolicy_;
       } else {
         return retryPolicyBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4192,7 +3751,7 @@ public com.google.pubsub.v1.RetryPolicy getRetryPolicy() {
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setRetryPolicy(com.google.pubsub.v1.RetryPolicy value) {
       if (retryPolicyBuilder_ == null) {
@@ -4208,11 +3767,9 @@ public Builder setRetryPolicy(com.google.pubsub.v1.RetryPolicy value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4220,9 +3777,10 @@ public Builder setRetryPolicy(com.google.pubsub.v1.RetryPolicy value) {
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setRetryPolicy(com.google.pubsub.v1.RetryPolicy.Builder builderForValue) {
+    public Builder setRetryPolicy(
+        com.google.pubsub.v1.RetryPolicy.Builder builderForValue) {
       if (retryPolicyBuilder_ == null) {
         retryPolicy_ = builderForValue.build();
       } else {
@@ -4233,11 +3791,9 @@ public Builder setRetryPolicy(com.google.pubsub.v1.RetryPolicy.Builder builderFo
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4245,13 +3801,13 @@ public Builder setRetryPolicy(com.google.pubsub.v1.RetryPolicy.Builder builderFo
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeRetryPolicy(com.google.pubsub.v1.RetryPolicy value) {
       if (retryPolicyBuilder_ == null) {
-        if (((bitField0_ & 0x00002000) != 0)
-            && retryPolicy_ != null
-            && retryPolicy_ != com.google.pubsub.v1.RetryPolicy.getDefaultInstance()) {
+        if (((bitField0_ & 0x00002000) != 0) &&
+          retryPolicy_ != null &&
+          retryPolicy_ != com.google.pubsub.v1.RetryPolicy.getDefaultInstance()) {
           getRetryPolicyBuilder().mergeFrom(value);
         } else {
           retryPolicy_ = value;
@@ -4264,11 +3820,9 @@ public Builder mergeRetryPolicy(com.google.pubsub.v1.RetryPolicy value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4276,7 +3830,7 @@ public Builder mergeRetryPolicy(com.google.pubsub.v1.RetryPolicy value) {
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearRetryPolicy() {
       bitField0_ = (bitField0_ & ~0x00002000);
@@ -4289,11 +3843,9 @@ public Builder clearRetryPolicy() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4301,7 +3853,7 @@ public Builder clearRetryPolicy() {
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.RetryPolicy.Builder getRetryPolicyBuilder() {
       bitField0_ |= 0x00002000;
@@ -4309,11 +3861,9 @@ public com.google.pubsub.v1.RetryPolicy.Builder getRetryPolicyBuilder() {
       return getRetryPolicyFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4321,23 +3871,20 @@ public com.google.pubsub.v1.RetryPolicy.Builder getRetryPolicyBuilder() {
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.RetryPolicyOrBuilder getRetryPolicyOrBuilder() {
       if (retryPolicyBuilder_ != null) {
         return retryPolicyBuilder_.getMessageOrBuilder();
       } else {
-        return retryPolicy_ == null
-            ? com.google.pubsub.v1.RetryPolicy.getDefaultInstance()
-            : retryPolicy_;
+        return retryPolicy_ == null ?
+            com.google.pubsub.v1.RetryPolicy.getDefaultInstance() : retryPolicy_;
       }
     }
     /**
-     *
-     *
      * 
        -     * A policy that specifies how Pub/Sub retries message delivery for this
-     * subscription.
+     * Optional. A policy that specifies how Pub/Sub retries message delivery for
+     * this subscription.
      *
      * If not set, the default retry policy is applied. This generally implies
      * that messages will be retried as soon as possible for healthy subscribers.
@@ -4345,39 +3892,33 @@ public com.google.pubsub.v1.RetryPolicyOrBuilder getRetryPolicyOrBuilder() {
      * exceeded events for a given message.
      * 
        
      *
-     * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+     * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.RetryPolicy,
-            com.google.pubsub.v1.RetryPolicy.Builder,
-            com.google.pubsub.v1.RetryPolicyOrBuilder>
+        com.google.pubsub.v1.RetryPolicy, com.google.pubsub.v1.RetryPolicy.Builder, com.google.pubsub.v1.RetryPolicyOrBuilder> 
         getRetryPolicyFieldBuilder() {
       if (retryPolicyBuilder_ == null) {
-        retryPolicyBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.RetryPolicy,
-                com.google.pubsub.v1.RetryPolicy.Builder,
-                com.google.pubsub.v1.RetryPolicyOrBuilder>(
-                getRetryPolicy(), getParentForChildren(), isClean());
+        retryPolicyBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.RetryPolicy, com.google.pubsub.v1.RetryPolicy.Builder, com.google.pubsub.v1.RetryPolicyOrBuilder>(
+                getRetryPolicy(),
+                getParentForChildren(),
+                isClean());
         retryPolicy_ = null;
       }
       return retryPolicyBuilder_;
     }
 
-    private boolean detached_;
+    private boolean detached_ ;
     /**
-     *
-     *
      * 
        -     * Indicates whether the subscription is detached from its topic. Detached
-     * subscriptions don't receive messages from their topic and don't retain any
-     * backlog. `Pull` and `StreamingPull` requests will return
+     * Optional. Indicates whether the subscription is detached from its topic.
+     * Detached subscriptions don't receive messages from their topic and don't
+     * retain any backlog. `Pull` and `StreamingPull` requests will return
      * FAILED_PRECONDITION. If the subscription is a push subscription, pushes to
      * the endpoint will not be made.
      * 
        
      *
-     * bool detached = 15;
-     *
+     * bool detached = 15 [(.google.api.field_behavior) = OPTIONAL];
      * @return The detached.
      */
     @java.lang.Override
@@ -4385,18 +3926,15 @@ public boolean getDetached() {
       return detached_;
     }
     /**
-     *
-     *
      * 
        -     * Indicates whether the subscription is detached from its topic. Detached
-     * subscriptions don't receive messages from their topic and don't retain any
-     * backlog. `Pull` and `StreamingPull` requests will return
+     * Optional. Indicates whether the subscription is detached from its topic.
+     * Detached subscriptions don't receive messages from their topic and don't
+     * retain any backlog. `Pull` and `StreamingPull` requests will return
      * FAILED_PRECONDITION. If the subscription is a push subscription, pushes to
      * the endpoint will not be made.
      * 
        
      *
-     * bool detached = 15;
-     *
+     * bool detached = 15 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The detached to set.
      * @return This builder for chaining.
      */
@@ -4408,18 +3946,15 @@ public Builder setDetached(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Indicates whether the subscription is detached from its topic. Detached
-     * subscriptions don't receive messages from their topic and don't retain any
-     * backlog. `Pull` and `StreamingPull` requests will return
+     * Optional. Indicates whether the subscription is detached from its topic.
+     * Detached subscriptions don't receive messages from their topic and don't
+     * retain any backlog. `Pull` and `StreamingPull` requests will return
      * FAILED_PRECONDITION. If the subscription is a push subscription, pushes to
      * the endpoint will not be made.
      * 
        
      *
-     * bool detached = 15;
-     *
+     * bool detached = 15 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearDetached() {
@@ -4429,13 +3964,12 @@ public Builder clearDetached() {
       return this;
     }
 
-    private boolean enableExactlyOnceDelivery_;
+    private boolean enableExactlyOnceDelivery_ ;
     /**
-     *
-     *
      * 
        -     * If true, Pub/Sub provides the following guarantees for the delivery of
-     * a message with a given value of `message_id` on this subscription:
+     * Optional. If true, Pub/Sub provides the following guarantees for the
+     * delivery of a message with a given value of `message_id` on this
+     * subscription:
      *
      * * The message sent to a subscriber is guaranteed not to be resent
      * before the message's acknowledgement deadline expires.
@@ -4447,8 +3981,7 @@ public Builder clearDetached() {
      * by Pub/Sub and have distinct `message_id` values.
      * 
        
      *
-     * bool enable_exactly_once_delivery = 16;
-     *
+     * bool enable_exactly_once_delivery = 16 [(.google.api.field_behavior) = OPTIONAL];
      * @return The enableExactlyOnceDelivery.
      */
     @java.lang.Override
@@ -4456,11 +3989,10 @@ public boolean getEnableExactlyOnceDelivery() {
       return enableExactlyOnceDelivery_;
     }
     /**
-     *
-     *
      * 
        -     * If true, Pub/Sub provides the following guarantees for the delivery of
-     * a message with a given value of `message_id` on this subscription:
+     * Optional. If true, Pub/Sub provides the following guarantees for the
+     * delivery of a message with a given value of `message_id` on this
+     * subscription:
      *
      * * The message sent to a subscriber is guaranteed not to be resent
      * before the message's acknowledgement deadline expires.
@@ -4472,8 +4004,7 @@ public boolean getEnableExactlyOnceDelivery() {
      * by Pub/Sub and have distinct `message_id` values.
      * 
        
      *
-     * bool enable_exactly_once_delivery = 16;
-     *
+     * bool enable_exactly_once_delivery = 16 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The enableExactlyOnceDelivery to set.
      * @return This builder for chaining.
      */
@@ -4485,11 +4016,10 @@ public Builder setEnableExactlyOnceDelivery(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * If true, Pub/Sub provides the following guarantees for the delivery of
-     * a message with a given value of `message_id` on this subscription:
+     * Optional. If true, Pub/Sub provides the following guarantees for the
+     * delivery of a message with a given value of `message_id` on this
+     * subscription:
      *
      * * The message sent to a subscriber is guaranteed not to be resent
      * before the message's acknowledgement deadline expires.
@@ -4501,8 +4031,7 @@ public Builder setEnableExactlyOnceDelivery(boolean value) {
      * by Pub/Sub and have distinct `message_id` values.
      * 
        
      *
-     * bool enable_exactly_once_delivery = 16;
-     *
+     * bool enable_exactly_once_delivery = 16 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearEnableExactlyOnceDelivery() {
@@ -4514,13 +4043,8 @@ public Builder clearEnableExactlyOnceDelivery() {
 
     private com.google.protobuf.Duration topicMessageRetentionDuration_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
-        topicMessageRetentionDurationBuilder_;
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> topicMessageRetentionDurationBuilder_;
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4530,18 +4054,13 @@ public Builder clearEnableExactlyOnceDelivery() {
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return Whether the topicMessageRetentionDuration field is set.
      */
     public boolean hasTopicMessageRetentionDuration() {
       return ((bitField0_ & 0x00010000) != 0);
     }
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4551,24 +4070,17 @@ public boolean hasTopicMessageRetentionDuration() {
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The topicMessageRetentionDuration.
      */
     public com.google.protobuf.Duration getTopicMessageRetentionDuration() {
       if (topicMessageRetentionDurationBuilder_ == null) {
-        return topicMessageRetentionDuration_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : topicMessageRetentionDuration_;
+        return topicMessageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : topicMessageRetentionDuration_;
       } else {
         return topicMessageRetentionDurationBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4578,9 +4090,7 @@ public com.google.protobuf.Duration getTopicMessageRetentionDuration() {
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public Builder setTopicMessageRetentionDuration(com.google.protobuf.Duration value) {
       if (topicMessageRetentionDurationBuilder_ == null) {
@@ -4596,8 +4106,6 @@ public Builder setTopicMessageRetentionDuration(com.google.protobuf.Duration val
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4607,9 +4115,7 @@ public Builder setTopicMessageRetentionDuration(com.google.protobuf.Duration val
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public Builder setTopicMessageRetentionDuration(
         com.google.protobuf.Duration.Builder builderForValue) {
@@ -4623,8 +4129,6 @@ public Builder setTopicMessageRetentionDuration(
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4634,16 +4138,13 @@ public Builder setTopicMessageRetentionDuration(
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public Builder mergeTopicMessageRetentionDuration(com.google.protobuf.Duration value) {
       if (topicMessageRetentionDurationBuilder_ == null) {
-        if (((bitField0_ & 0x00010000) != 0)
-            && topicMessageRetentionDuration_ != null
-            && topicMessageRetentionDuration_
-                != com.google.protobuf.Duration.getDefaultInstance()) {
+        if (((bitField0_ & 0x00010000) != 0) &&
+          topicMessageRetentionDuration_ != null &&
+          topicMessageRetentionDuration_ != com.google.protobuf.Duration.getDefaultInstance()) {
           getTopicMessageRetentionDurationBuilder().mergeFrom(value);
         } else {
           topicMessageRetentionDuration_ = value;
@@ -4656,8 +4157,6 @@ public Builder mergeTopicMessageRetentionDuration(com.google.protobuf.Duration v
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4667,9 +4166,7 @@ public Builder mergeTopicMessageRetentionDuration(com.google.protobuf.Duration v
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public Builder clearTopicMessageRetentionDuration() {
       bitField0_ = (bitField0_ & ~0x00010000);
@@ -4682,8 +4179,6 @@ public Builder clearTopicMessageRetentionDuration() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4693,9 +4188,7 @@ public Builder clearTopicMessageRetentionDuration() {
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public com.google.protobuf.Duration.Builder getTopicMessageRetentionDurationBuilder() {
       bitField0_ |= 0x00010000;
@@ -4703,8 +4196,6 @@ public com.google.protobuf.Duration.Builder getTopicMessageRetentionDurationBuil
       return getTopicMessageRetentionDurationFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4714,22 +4205,17 @@ public com.google.protobuf.Duration.Builder getTopicMessageRetentionDurationBuil
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     public com.google.protobuf.DurationOrBuilder getTopicMessageRetentionDurationOrBuilder() {
       if (topicMessageRetentionDurationBuilder_ != null) {
         return topicMessageRetentionDurationBuilder_.getMessageOrBuilder();
       } else {
-        return topicMessageRetentionDuration_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : topicMessageRetentionDuration_;
+        return topicMessageRetentionDuration_ == null ?
+            com.google.protobuf.Duration.getDefaultInstance() : topicMessageRetentionDuration_;
       }
     }
     /**
-     *
-     *
      * 
              * Output only. Indicates the minimum duration for which a message is retained
      * after it is published to the subscription's topic. If this field is set,
@@ -4739,22 +4225,17 @@ public com.google.protobuf.DurationOrBuilder getTopicMessageRetentionDurationOrB
      * in responses from the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * 
-     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
+     * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
         getTopicMessageRetentionDurationFieldBuilder() {
       if (topicMessageRetentionDurationBuilder_ == null) {
-        topicMessageRetentionDurationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Duration,
-                com.google.protobuf.Duration.Builder,
-                com.google.protobuf.DurationOrBuilder>(
-                getTopicMessageRetentionDuration(), getParentForChildren(), isClean());
+        topicMessageRetentionDurationBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
+                getTopicMessageRetentionDuration(),
+                getParentForChildren(),
+                isClean());
         topicMessageRetentionDuration_ = null;
       }
       return topicMessageRetentionDurationBuilder_;
@@ -4762,35 +4243,24 @@ public com.google.protobuf.DurationOrBuilder getTopicMessageRetentionDurationOrB
 
     private int state_ = 0;
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The enum numeric value on the wire for state.
      */
-    @java.lang.Override
-    public int getStateValue() {
+    @java.lang.Override public int getStateValue() {
       return state_;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The enum numeric value on the wire for state to set.
      * @return This builder for chaining.
      */
@@ -4801,37 +4271,26 @@ public Builder setStateValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The state.
      */
     @java.lang.Override
     public com.google.pubsub.v1.Subscription.State getState() {
-      com.google.pubsub.v1.Subscription.State result =
-          com.google.pubsub.v1.Subscription.State.forNumber(state_);
+      com.google.pubsub.v1.Subscription.State result = com.google.pubsub.v1.Subscription.State.forNumber(state_);
       return result == null ? com.google.pubsub.v1.Subscription.State.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The state to set.
      * @return This builder for chaining.
      */
@@ -4845,17 +4304,12 @@ public Builder setState(com.google.pubsub.v1.Subscription.State value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating whether or not the
      * subscription can receive messages.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return This builder for chaining.
      */
     public Builder clearState() {
@@ -4864,9 +4318,9 @@ public Builder clearState() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -4876,12 +4330,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.Subscription)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.Subscription)
   private static final com.google.pubsub.v1.Subscription DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.Subscription();
   }
@@ -4890,27 +4344,27 @@ public static com.google.pubsub.v1.Subscription getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public Subscription parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public Subscription parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -4925,4 +4379,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.Subscription getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionName.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionName.java
similarity index 100%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionName.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionName.java
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionOrBuilder.java
similarity index 58%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionOrBuilder.java
index 4f17a0f85..8a83fd8ec 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SubscriptionOrBuilder.java
@@ -1,31 +1,13 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface SubscriptionOrBuilder
-    extends
+public interface SubscriptionOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.Subscription)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the subscription. It must have the format
    * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -36,13 +18,10 @@ public interface SubscriptionOrBuilder
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. The name of the subscription. It must have the format
    * `"projects/{project}/subscriptions/{subscription}"`. `{subscription}` must
@@ -53,167 +32,132 @@ public interface SubscriptionOrBuilder
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * Required. The name of the topic from which this subscription is receiving
    * messages. Format is `projects/{project}/topics/{topic}`. The value of this
    * field will be `_deleted-topic_` if the topic has been deleted.
    * 
        
    *
-   * 
-   * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The topic.
    */
   java.lang.String getTopic();
   /**
-   *
-   *
    * 
            * Required. The name of the topic from which this subscription is receiving
    * messages. Format is `projects/{project}/topics/{topic}`. The value of this
    * field will be `_deleted-topic_` if the topic has been deleted.
    * 
        
    *
-   * 
-   * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string topic = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for topic.
    */
-  com.google.protobuf.ByteString getTopicBytes();
+  com.google.protobuf.ByteString
+      getTopicBytes();
 
   /**
-   *
-   *
    * 
        -   * If push delivery is used with this subscription, this field is
+   * Optional. If push delivery is used with this subscription, this field is
    * used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 4;
-   *
+   * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the pushConfig field is set.
    */
   boolean hasPushConfig();
   /**
-   *
-   *
    * 
        -   * If push delivery is used with this subscription, this field is
+   * Optional. If push delivery is used with this subscription, this field is
    * used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 4;
-   *
+   * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    * @return The pushConfig.
    */
   com.google.pubsub.v1.PushConfig getPushConfig();
   /**
-   *
-   *
    * 
        -   * If push delivery is used with this subscription, this field is
+   * Optional. If push delivery is used with this subscription, this field is
    * used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.PushConfig push_config = 4;
+   * .google.pubsub.v1.PushConfig push_config = 4 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.PushConfigOrBuilder getPushConfigOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * If delivery to BigQuery is used with this subscription, this field is
-   * used to configure it.
+   * Optional. If delivery to BigQuery is used with this subscription, this
+   * field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
-   *
+   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the bigqueryConfig field is set.
    */
   boolean hasBigqueryConfig();
   /**
-   *
-   *
    * 
        -   * If delivery to BigQuery is used with this subscription, this field is
-   * used to configure it.
+   * Optional. If delivery to BigQuery is used with this subscription, this
+   * field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
-   *
+   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bigqueryConfig.
    */
   com.google.pubsub.v1.BigQueryConfig getBigqueryConfig();
   /**
-   *
-   *
    * 
        -   * If delivery to BigQuery is used with this subscription, this field is
-   * used to configure it.
+   * Optional. If delivery to BigQuery is used with this subscription, this
+   * field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18;
+   * .google.pubsub.v1.BigQueryConfig bigquery_config = 18 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.BigQueryConfigOrBuilder getBigqueryConfigOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * If delivery to Google Cloud Storage is used with this subscription, this
-   * field is used to configure it.
+   * Optional. If delivery to Google Cloud Storage is used with this
+   * subscription, this field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
-   *
+   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the cloudStorageConfig field is set.
    */
   boolean hasCloudStorageConfig();
   /**
-   *
-   *
    * 
        -   * If delivery to Google Cloud Storage is used with this subscription, this
-   * field is used to configure it.
+   * Optional. If delivery to Google Cloud Storage is used with this
+   * subscription, this field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
-   *
+   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
    * @return The cloudStorageConfig.
    */
   com.google.pubsub.v1.CloudStorageConfig getCloudStorageConfig();
   /**
-   *
-   *
    * 
        -   * If delivery to Google Cloud Storage is used with this subscription, this
-   * field is used to configure it.
+   * Optional. If delivery to Google Cloud Storage is used with this
+   * subscription, this field is used to configure it.
    * 
        
    *
-   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22;
+   * .google.pubsub.v1.CloudStorageConfig cloud_storage_config = 22 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.CloudStorageConfigOrBuilder getCloudStorageConfigOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * The approximate amount of time (on a best-effort basis) Pub/Sub waits for
-   * the subscriber to acknowledge receipt before resending the message. In the
-   * interval after the message is delivered and before it is acknowledged, it
-   * is considered to be _outstanding_. During that time period, the
-   * message will not be redelivered (on a best-effort basis).
+   * Optional. The approximate amount of time (on a best-effort basis) Pub/Sub
+   * waits for the subscriber to acknowledge receipt before resending the
+   * message. In the interval after the message is delivered and before it is
+   * acknowledged, it is considered to be _outstanding_. During that time
+   * period, the message will not be redelivered (on a best-effort basis).
    *
    * For pull subscriptions, this value is used as the initial value for the ack
    * deadline. To override this value for a given message, call
@@ -231,17 +175,14 @@ public interface SubscriptionOrBuilder
    * system will eventually redeliver the message.
    * 
        
    *
-   * int32 ack_deadline_seconds = 5;
-   *
+   * int32 ack_deadline_seconds = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The ackDeadlineSeconds.
    */
   int getAckDeadlineSeconds();
 
   /**
-   *
-   *
    * 
        -   * Indicates whether to retain acknowledged messages. If true, then
+   * Optional. Indicates whether to retain acknowledged messages. If true, then
    * messages are not expunged from the subscription's backlog, even if they are
    * acknowledged, until they fall out of the `message_retention_duration`
    * window. This must be true if you would like to [`Seek` to a timestamp]
@@ -249,289 +190,247 @@ public interface SubscriptionOrBuilder
    * the past to replay previously-acknowledged messages.
    * 
        
    *
-   * bool retain_acked_messages = 7;
-   *
+   * bool retain_acked_messages = 7 [(.google.api.field_behavior) = OPTIONAL];
    * @return The retainAckedMessages.
    */
   boolean getRetainAckedMessages();
 
   /**
-   *
-   *
    * 
        -   * How long to retain unacknowledged messages in the subscription's backlog,
-   * from the moment a message is published.
-   * If `retain_acked_messages` is true, then this also configures the retention
-   * of acknowledged messages, and thus configures how far back in time a `Seek`
-   * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-   * minutes.
+   * Optional. How long to retain unacknowledged messages in the subscription's
+   * backlog, from the moment a message is published. If `retain_acked_messages`
+   * is true, then this also configures the retention of acknowledged messages,
+   * and thus configures how far back in time a `Seek` can be done. Defaults to
+   * 7 days. Cannot be more than 7 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
-   *
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the messageRetentionDuration field is set.
    */
   boolean hasMessageRetentionDuration();
   /**
-   *
-   *
    * 
        -   * How long to retain unacknowledged messages in the subscription's backlog,
-   * from the moment a message is published.
-   * If `retain_acked_messages` is true, then this also configures the retention
-   * of acknowledged messages, and thus configures how far back in time a `Seek`
-   * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-   * minutes.
+   * Optional. How long to retain unacknowledged messages in the subscription's
+   * backlog, from the moment a message is published. If `retain_acked_messages`
+   * is true, then this also configures the retention of acknowledged messages,
+   * and thus configures how far back in time a `Seek` can be done. Defaults to
+   * 7 days. Cannot be more than 7 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
-   *
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return The messageRetentionDuration.
    */
   com.google.protobuf.Duration getMessageRetentionDuration();
   /**
-   *
-   *
    * 
        -   * How long to retain unacknowledged messages in the subscription's backlog,
-   * from the moment a message is published.
-   * If `retain_acked_messages` is true, then this also configures the retention
-   * of acknowledged messages, and thus configures how far back in time a `Seek`
-   * can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-   * minutes.
+   * Optional. How long to retain unacknowledged messages in the subscription's
+   * backlog, from the moment a message is published. If `retain_acked_messages`
+   * is true, then this also configures the retention of acknowledged messages,
+   * and thus configures how far back in time a `Seek` can be done. Defaults to
+   * 7 days. Cannot be more than 7 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.protobuf.DurationOrBuilder getMessageRetentionDurationOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
    */
   int getLabelsCount();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  boolean containsLabels(
+      java.lang.String key);
+  /**
+   * Use {@link #getLabelsMap()} instead.
    */
-  boolean containsLabels(java.lang.String key);
-  /** Use {@link #getLabelsMap()} instead. */
   @java.lang.Deprecated
-  java.util.Map getLabels();
+  java.util.Map
+  getLabels();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.util.Map getLabelsMap();
+  java.util.Map
+  getLabelsMap();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
    */
   /* nullable */
-  java.lang.String getLabelsOrDefault(
+java.lang.String getLabelsOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue);
+java.lang.String defaultValue);
   /**
-   *
-   *
    * 
        -   * See [Creating and managing
+   * Optional. See [Creating and managing
    * labels](https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 9;
+   * map<string, string> labels = 9 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.lang.String getLabelsOrThrow(java.lang.String key);
+  java.lang.String getLabelsOrThrow(
+      java.lang.String key);
 
   /**
-   *
-   *
    * 
        -   * If true, messages published with the same `ordering_key` in `PubsubMessage`
-   * will be delivered to the subscribers in the order in which they
-   * are received by the Pub/Sub system. Otherwise, they may be delivered in
-   * any order.
+   * Optional. If true, messages published with the same `ordering_key` in
+   * `PubsubMessage` will be delivered to the subscribers in the order in which
+   * they are received by the Pub/Sub system. Otherwise, they may be delivered
+   * in any order.
    * 
        
    *
-   * bool enable_message_ordering = 10;
-   *
+   * bool enable_message_ordering = 10 [(.google.api.field_behavior) = OPTIONAL];
    * @return The enableMessageOrdering.
    */
   boolean getEnableMessageOrdering();
 
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for this subscription's expiration.
-   * A subscription is considered active as long as any connected subscriber is
-   * successfully consuming messages from the subscription or is issuing
-   * operations on the subscription. If `expiration_policy` is not set, a
-   * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+   * Optional. A policy that specifies the conditions for this subscription's
+   * expiration. A subscription is considered active as long as any connected
+   * subscriber is successfully consuming messages from the subscription or is
+   * issuing operations on the subscription. If `expiration_policy` is not set,
+   * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
    * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
    * but `expiration_policy.ttl` is not set, the subscription never expires.
    * 
        
    *
-   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
-   *
+   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the expirationPolicy field is set.
    */
   boolean hasExpirationPolicy();
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for this subscription's expiration.
-   * A subscription is considered active as long as any connected subscriber is
-   * successfully consuming messages from the subscription or is issuing
-   * operations on the subscription. If `expiration_policy` is not set, a
-   * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+   * Optional. A policy that specifies the conditions for this subscription's
+   * expiration. A subscription is considered active as long as any connected
+   * subscriber is successfully consuming messages from the subscription or is
+   * issuing operations on the subscription. If `expiration_policy` is not set,
+   * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
    * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
    * but `expiration_policy.ttl` is not set, the subscription never expires.
    * 
        
    *
-   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
-   *
+   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
    * @return The expirationPolicy.
    */
   com.google.pubsub.v1.ExpirationPolicy getExpirationPolicy();
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for this subscription's expiration.
-   * A subscription is considered active as long as any connected subscriber is
-   * successfully consuming messages from the subscription or is issuing
-   * operations on the subscription. If `expiration_policy` is not set, a
-   * *default policy* with `ttl` of 31 days will be used. The minimum allowed
+   * Optional. A policy that specifies the conditions for this subscription's
+   * expiration. A subscription is considered active as long as any connected
+   * subscriber is successfully consuming messages from the subscription or is
+   * issuing operations on the subscription. If `expiration_policy` is not set,
+   * a *default policy* with `ttl` of 31 days will be used. The minimum allowed
    * value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
    * but `expiration_policy.ttl` is not set, the subscription never expires.
    * 
        
    *
-   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11;
+   * .google.pubsub.v1.ExpirationPolicy expiration_policy = 11 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.ExpirationPolicyOrBuilder getExpirationPolicyOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * An expression written in the Pub/Sub [filter
+   * Optional. An expression written in the Pub/Sub [filter
    * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
    * then only `PubsubMessage`s whose `attributes` field matches the filter are
    * delivered on this subscription. If empty, then no messages are filtered
    * out.
    * 
        
    *
-   * string filter = 12;
-   *
+   * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
    * @return The filter.
    */
   java.lang.String getFilter();
   /**
-   *
-   *
    * 
        -   * An expression written in the Pub/Sub [filter
+   * Optional. An expression written in the Pub/Sub [filter
    * language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
    * then only `PubsubMessage`s whose `attributes` field matches the filter are
    * delivered on this subscription. If empty, then no messages are filtered
    * out.
    * 
        
    *
-   * string filter = 12;
-   *
+   * string filter = 12 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for filter.
    */
-  com.google.protobuf.ByteString getFilterBytes();
+  com.google.protobuf.ByteString
+      getFilterBytes();
 
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for dead lettering messages in
-   * this subscription. If dead_letter_policy is not set, dead lettering
-   * is disabled.
+   * Optional. A policy that specifies the conditions for dead lettering
+   * messages in this subscription. If dead_letter_policy is not set, dead
+   * lettering is disabled.
    *
-   * The Cloud Pub/Sub service account associated with this subscriptions's
+   * The Pub/Sub service account associated with this subscriptions's
    * parent project (i.e.,
    * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
    * permission to Acknowledge() messages on this subscription.
    * 
        
    *
-   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
-   *
+   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the deadLetterPolicy field is set.
    */
   boolean hasDeadLetterPolicy();
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for dead lettering messages in
-   * this subscription. If dead_letter_policy is not set, dead lettering
-   * is disabled.
+   * Optional. A policy that specifies the conditions for dead lettering
+   * messages in this subscription. If dead_letter_policy is not set, dead
+   * lettering is disabled.
    *
-   * The Cloud Pub/Sub service account associated with this subscriptions's
+   * The Pub/Sub service account associated with this subscriptions's
    * parent project (i.e.,
    * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
    * permission to Acknowledge() messages on this subscription.
    * 
        
    *
-   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
-   *
+   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
    * @return The deadLetterPolicy.
    */
   com.google.pubsub.v1.DeadLetterPolicy getDeadLetterPolicy();
   /**
-   *
-   *
    * 
        -   * A policy that specifies the conditions for dead lettering messages in
-   * this subscription. If dead_letter_policy is not set, dead lettering
-   * is disabled.
+   * Optional. A policy that specifies the conditions for dead lettering
+   * messages in this subscription. If dead_letter_policy is not set, dead
+   * lettering is disabled.
    *
-   * The Cloud Pub/Sub service account associated with this subscriptions's
+   * The Pub/Sub service account associated with this subscriptions's
    * parent project (i.e.,
    * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
    * permission to Acknowledge() messages on this subscription.
    * 
        
    *
-   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13;
+   * .google.pubsub.v1.DeadLetterPolicy dead_letter_policy = 13 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.DeadLetterPolicyOrBuilder getDeadLetterPolicyOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * A policy that specifies how Pub/Sub retries message delivery for this
-   * subscription.
+   * Optional. A policy that specifies how Pub/Sub retries message delivery for
+   * this subscription.
    *
    * If not set, the default retry policy is applied. This generally implies
    * that messages will be retried as soon as possible for healthy subscribers.
@@ -539,17 +438,14 @@ java.lang.String getLabelsOrDefault(
    * exceeded events for a given message.
    * 
        
    *
-   * .google.pubsub.v1.RetryPolicy retry_policy = 14;
-   *
+   * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the retryPolicy field is set.
    */
   boolean hasRetryPolicy();
   /**
-   *
-   *
    * 
        -   * A policy that specifies how Pub/Sub retries message delivery for this
-   * subscription.
+   * Optional. A policy that specifies how Pub/Sub retries message delivery for
+   * this subscription.
    *
    * If not set, the default retry policy is applied. This generally implies
    * that messages will be retried as soon as possible for healthy subscribers.
@@ -557,17 +453,14 @@ java.lang.String getLabelsOrDefault(
    * exceeded events for a given message.
    * 
        
    *
-   * .google.pubsub.v1.RetryPolicy retry_policy = 14;
-   *
+   * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
    * @return The retryPolicy.
    */
   com.google.pubsub.v1.RetryPolicy getRetryPolicy();
   /**
-   *
-   *
    * 
        -   * A policy that specifies how Pub/Sub retries message delivery for this
-   * subscription.
+   * Optional. A policy that specifies how Pub/Sub retries message delivery for
+   * this subscription.
    *
    * If not set, the default retry policy is applied. This generally implies
    * that messages will be retried as soon as possible for healthy subscribers.
@@ -575,33 +468,29 @@ java.lang.String getLabelsOrDefault(
    * exceeded events for a given message.
    * 
        
    *
-   * .google.pubsub.v1.RetryPolicy retry_policy = 14;
+   * .google.pubsub.v1.RetryPolicy retry_policy = 14 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.RetryPolicyOrBuilder getRetryPolicyOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * Indicates whether the subscription is detached from its topic. Detached
-   * subscriptions don't receive messages from their topic and don't retain any
-   * backlog. `Pull` and `StreamingPull` requests will return
+   * Optional. Indicates whether the subscription is detached from its topic.
+   * Detached subscriptions don't receive messages from their topic and don't
+   * retain any backlog. `Pull` and `StreamingPull` requests will return
    * FAILED_PRECONDITION. If the subscription is a push subscription, pushes to
    * the endpoint will not be made.
    * 
        
    *
-   * bool detached = 15;
-   *
+   * bool detached = 15 [(.google.api.field_behavior) = OPTIONAL];
    * @return The detached.
    */
   boolean getDetached();
 
   /**
-   *
-   *
    * 
        -   * If true, Pub/Sub provides the following guarantees for the delivery of
-   * a message with a given value of `message_id` on this subscription:
+   * Optional. If true, Pub/Sub provides the following guarantees for the
+   * delivery of a message with a given value of `message_id` on this
+   * subscription:
    *
    * * The message sent to a subscriber is guaranteed not to be resent
    * before the message's acknowledgement deadline expires.
@@ -613,15 +502,12 @@ java.lang.String getLabelsOrDefault(
    * by Pub/Sub and have distinct `message_id` values.
    * 
        
    *
-   * bool enable_exactly_once_delivery = 16;
-   *
+   * bool enable_exactly_once_delivery = 16 [(.google.api.field_behavior) = OPTIONAL];
    * @return The enableExactlyOnceDelivery.
    */
   boolean getEnableExactlyOnceDelivery();
 
   /**
-   *
-   *
    * 
            * Output only. Indicates the minimum duration for which a message is retained
    * after it is published to the subscription's topic. If this field is set,
@@ -631,16 +517,11 @@ java.lang.String getLabelsOrDefault(
    * in responses from the server; it is ignored if it is set in any requests.
    * 
        
    *
-   * 
-   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return Whether the topicMessageRetentionDuration field is set.
    */
   boolean hasTopicMessageRetentionDuration();
   /**
-   *
-   *
    * 
            * Output only. Indicates the minimum duration for which a message is retained
    * after it is published to the subscription's topic. If this field is set,
@@ -650,16 +531,11 @@ java.lang.String getLabelsOrDefault(
    * in responses from the server; it is ignored if it is set in any requests.
    * 
        
    *
-   * 
-   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The topicMessageRetentionDuration.
    */
   com.google.protobuf.Duration getTopicMessageRetentionDuration();
   /**
-   *
-   *
    * 
            * Output only. Indicates the minimum duration for which a message is retained
    * after it is published to the subscription's topic. If this field is set,
@@ -669,39 +545,27 @@ java.lang.String getLabelsOrDefault(
    * in responses from the server; it is ignored if it is set in any requests.
    * 
        
    *
-   * 
-   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
+   * .google.protobuf.Duration topic_message_retention_duration = 17 [(.google.api.field_behavior) = OUTPUT_ONLY];
    */
   com.google.protobuf.DurationOrBuilder getTopicMessageRetentionDurationOrBuilder();
 
   /**
-   *
-   *
    * 
            * Output only. An output-only field indicating whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The enum numeric value on the wire for state.
    */
   int getStateValue();
   /**
-   *
-   *
    * 
            * Output only. An output-only field indicating whether or not the
    * subscription can receive messages.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.Subscription.State state = 19 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The state.
    */
   com.google.pubsub.v1.Subscription.State getState();
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Topic.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Topic.java
similarity index 61%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Topic.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Topic.java
index 937e3e2ca..1c0f14bb5 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Topic.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/Topic.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * A topic resource.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.Topic}
  */
-public final class Topic extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class Topic extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.Topic)
     TopicOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use Topic.newBuilder() to construct.
   private Topic(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private Topic() {
     name_ = "";
     kmsKeyName_ = "";
@@ -45,47 +27,46 @@ private Topic() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new Topic();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
     return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Topic_descriptor;
   }
 
   @SuppressWarnings({"rawtypes"})
   @java.lang.Override
-  protected com.google.protobuf.MapField internalGetMapField(int number) {
+  protected com.google.protobuf.MapField internalGetMapField(
+      int number) {
     switch (number) {
       case 2:
         return internalGetLabels();
       default:
-        throw new RuntimeException("Invalid map field number: " + number);
+        throw new RuntimeException(
+            "Invalid map field number: " + number);
     }
   }
-
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_Topic_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Topic_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
             com.google.pubsub.v1.Topic.class, com.google.pubsub.v1.Topic.Builder.class);
   }
 
   /**
-   *
-   *
    * 
            * The state of the topic.
    * 
        
    *
    * Protobuf enum {@code google.pubsub.v1.Topic.State}
    */
-  public enum State implements com.google.protobuf.ProtocolMessageEnum {
+  public enum State
+      implements com.google.protobuf.ProtocolMessageEnum {
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -94,8 +75,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     STATE_UNSPECIFIED(0),
     /**
-     *
-     *
      * 
              * The topic does not have any persistent errors.
      * 
        
@@ -104,8 +83,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     ACTIVE(1),
     /**
-     *
-     *
      * 
              * Ingestion from the data source has encountered a permanent error.
      * See the more detailed error state in the corresponding ingestion
@@ -119,8 +96,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
     ;
 
     /**
-     *
-     *
      * 
              * Default value. This value is unused.
      * 
        
@@ -129,8 +104,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int STATE_UNSPECIFIED_VALUE = 0;
     /**
-     *
-     *
      * 
              * The topic does not have any persistent errors.
      * 
        
@@ -139,8 +112,6 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int ACTIVE_VALUE = 1;
     /**
-     *
-     *
      * 
              * Ingestion from the data source has encountered a permanent error.
      * See the more detailed error state in the corresponding ingestion
@@ -151,6 +122,7 @@ public enum State implements com.google.protobuf.ProtocolMessageEnum {
      */
     public static final int INGESTION_RESOURCE_ERROR_VALUE = 2;
 
+
     public final int getNumber() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalArgumentException(
@@ -175,49 +147,49 @@ public static State valueOf(int value) {
      */
     public static State forNumber(int value) {
       switch (value) {
-        case 0:
-          return STATE_UNSPECIFIED;
-        case 1:
-          return ACTIVE;
-        case 2:
-          return INGESTION_RESOURCE_ERROR;
-        default:
-          return null;
+        case 0: return STATE_UNSPECIFIED;
+        case 1: return ACTIVE;
+        case 2: return INGESTION_RESOURCE_ERROR;
+        default: return null;
       }
     }
 
-    public static com.google.protobuf.Internal.EnumLiteMap internalGetValueMap() {
+    public static com.google.protobuf.Internal.EnumLiteMap
+        internalGetValueMap() {
       return internalValueMap;
     }
+    private static final com.google.protobuf.Internal.EnumLiteMap<
+        State> internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap() {
+            public State findValueByNumber(int number) {
+              return State.forNumber(number);
+            }
+          };
 
-    private static final com.google.protobuf.Internal.EnumLiteMap internalValueMap =
-        new com.google.protobuf.Internal.EnumLiteMap() {
-          public State findValueByNumber(int number) {
-            return State.forNumber(number);
-          }
-        };
-
-    public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor() {
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor
+        getValueDescriptor() {
       if (this == UNRECOGNIZED) {
         throw new java.lang.IllegalStateException(
             "Can't get the descriptor of an unrecognized enum value.");
       }
       return getDescriptor().getValues().get(ordinal());
     }
-
-    public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType() {
+    public final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptorForType() {
       return getDescriptor();
     }
-
-    public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor() {
+    public static final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptor() {
       return com.google.pubsub.v1.Topic.getDescriptor().getEnumTypes().get(0);
     }
 
     private static final State[] VALUES = values();
 
-    public static State valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+    public static State valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
       if (desc.getType() != getDescriptor()) {
-        throw new java.lang.IllegalArgumentException("EnumValueDescriptor is not for this type.");
+        throw new java.lang.IllegalArgumentException(
+          "EnumValueDescriptor is not for this type.");
       }
       if (desc.getIndex() == -1) {
         return UNRECOGNIZED;
@@ -235,12 +207,9 @@ private State(int value) {
   }
 
   public static final int NAME_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object name_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the topic. It must have the format
    * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -251,7 +220,6 @@ private State(int value) {
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The name.
    */
   @java.lang.Override
@@ -260,15 +228,14 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       name_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the topic. It must have the format
    * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -279,15 +246,16 @@ public java.lang.String getName() {
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for name.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = name_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       name_ = b;
       return b;
     } else {
@@ -296,105 +264,98 @@ public com.google.protobuf.ByteString getNameBytes() {
   }
 
   public static final int LABELS_FIELD_NUMBER = 2;
-
   private static final class LabelsDefaultEntryHolder {
-    static final com.google.protobuf.MapEntry defaultEntry =
-        com.google.protobuf.MapEntry.newDefaultInstance(
-            com.google.pubsub.v1.PubsubProto
-                .internal_static_google_pubsub_v1_Topic_LabelsEntry_descriptor,
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "",
-            com.google.protobuf.WireFormat.FieldType.STRING,
-            "");
+    static final com.google.protobuf.MapEntry<
+        java.lang.String, java.lang.String> defaultEntry =
+            com.google.protobuf.MapEntry
+            .newDefaultInstance(
+                com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Topic_LabelsEntry_descriptor, 
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "",
+                com.google.protobuf.WireFormat.FieldType.STRING,
+                "");
   }
-
   @SuppressWarnings("serial")
-  private com.google.protobuf.MapField labels_;
-
-  private com.google.protobuf.MapField internalGetLabels() {
+  private com.google.protobuf.MapField<
+      java.lang.String, java.lang.String> labels_;
+  private com.google.protobuf.MapField
+  internalGetLabels() {
     if (labels_ == null) {
-      return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+      return com.google.protobuf.MapField.emptyMapField(
+          LabelsDefaultEntryHolder.defaultEntry);
     }
     return labels_;
   }
-
   public int getLabelsCount() {
     return internalGetLabels().getMap().size();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public boolean containsLabels(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
+  public boolean containsLabels(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
     return internalGetLabels().getMap().containsKey(key);
   }
-  /** Use {@link #getLabelsMap()} instead. */
+  /**
+   * Use {@link #getLabelsMap()} instead.
+   */
   @java.lang.Override
   @java.lang.Deprecated
   public java.util.Map getLabels() {
     return getLabelsMap();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public java.util.Map getLabelsMap() {
     return internalGetLabels().getMap();
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public /* nullable */ java.lang.String getLabelsOrDefault(
+  public /* nullable */
+java.lang.String getLabelsOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetLabels().getMap();
+java.lang.String defaultValue) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetLabels().getMap();
     return map.containsKey(key) ? map.get(key) : defaultValue;
   }
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public java.lang.String getLabelsOrThrow(java.lang.String key) {
-    if (key == null) {
-      throw new NullPointerException("map key");
-    }
-    java.util.Map map = internalGetLabels().getMap();
+  public java.lang.String getLabelsOrThrow(
+      java.lang.String key) {
+    if (key == null) { throw new NullPointerException("map key"); }
+    java.util.Map map =
+        internalGetLabels().getMap();
     if (!map.containsKey(key)) {
       throw new java.lang.IllegalArgumentException();
     }
@@ -404,16 +365,13 @@ public java.lang.String getLabelsOrThrow(java.lang.String key) {
   public static final int MESSAGE_STORAGE_POLICY_FIELD_NUMBER = 3;
   private com.google.pubsub.v1.MessageStoragePolicy messageStoragePolicy_;
   /**
-   *
-   *
    * 
        -   * Policy constraining the set of Google Cloud Platform regions where messages
-   * published to the topic may be stored. If not present, then no constraints
-   * are in effect.
+   * Optional. Policy constraining the set of Google Cloud Platform regions
+   * where messages published to the topic may be stored. If not present, then
+   * no constraints are in effect.
    * 
        
    *
-   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
-   *
+   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the messageStoragePolicy field is set.
    */
   @java.lang.Override
@@ -421,58 +379,45 @@ public boolean hasMessageStoragePolicy() {
     return messageStoragePolicy_ != null;
   }
   /**
-   *
-   *
    * 
        -   * Policy constraining the set of Google Cloud Platform regions where messages
-   * published to the topic may be stored. If not present, then no constraints
-   * are in effect.
+   * Optional. Policy constraining the set of Google Cloud Platform regions
+   * where messages published to the topic may be stored. If not present, then
+   * no constraints are in effect.
    * 
        
    *
-   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
-   *
+   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The messageStoragePolicy.
    */
   @java.lang.Override
   public com.google.pubsub.v1.MessageStoragePolicy getMessageStoragePolicy() {
-    return messageStoragePolicy_ == null
-        ? com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance()
-        : messageStoragePolicy_;
+    return messageStoragePolicy_ == null ? com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance() : messageStoragePolicy_;
   }
   /**
-   *
-   *
    * 
        -   * Policy constraining the set of Google Cloud Platform regions where messages
-   * published to the topic may be stored. If not present, then no constraints
-   * are in effect.
+   * Optional. Policy constraining the set of Google Cloud Platform regions
+   * where messages published to the topic may be stored. If not present, then
+   * no constraints are in effect.
    * 
        
    *
-   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.MessageStoragePolicyOrBuilder getMessageStoragePolicyOrBuilder() {
-    return messageStoragePolicy_ == null
-        ? com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance()
-        : messageStoragePolicy_;
+    return messageStoragePolicy_ == null ? com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance() : messageStoragePolicy_;
   }
 
   public static final int KMS_KEY_NAME_FIELD_NUMBER = 5;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object kmsKeyName_ = "";
   /**
-   *
-   *
    * 
        -   * The resource name of the Cloud KMS CryptoKey to be used to protect access
-   * to messages published on this topic.
+   * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+   * protect access to messages published on this topic.
    *
    * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
    * 
        
    *
-   * string kms_key_name = 5;
-   *
+   * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The kmsKeyName.
    */
   @java.lang.Override
@@ -481,32 +426,32 @@ public java.lang.String getKmsKeyName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       kmsKeyName_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
        -   * The resource name of the Cloud KMS CryptoKey to be used to protect access
-   * to messages published on this topic.
+   * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+   * protect access to messages published on this topic.
    *
    * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
    * 
        
    *
-   * string kms_key_name = 5;
-   *
+   * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for kmsKeyName.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getKmsKeyNameBytes() {
+  public com.google.protobuf.ByteString
+      getKmsKeyNameBytes() {
     java.lang.Object ref = kmsKeyName_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       kmsKeyName_ = b;
       return b;
     } else {
@@ -517,14 +462,11 @@ public com.google.protobuf.ByteString getKmsKeyNameBytes() {
   public static final int SCHEMA_SETTINGS_FIELD_NUMBER = 6;
   private com.google.pubsub.v1.SchemaSettings schemaSettings_;
   /**
-   *
-   *
    * 
        -   * Settings for validating messages published against a schema.
+   * Optional. Settings for validating messages published against a schema.
    * 
        
    *
-   * .google.pubsub.v1.SchemaSettings schema_settings = 6;
-   *
+   * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the schemaSettings field is set.
    */
   @java.lang.Override
@@ -532,50 +474,38 @@ public boolean hasSchemaSettings() {
     return schemaSettings_ != null;
   }
   /**
-   *
-   *
    * 
        -   * Settings for validating messages published against a schema.
+   * Optional. Settings for validating messages published against a schema.
    * 
        
    *
-   * .google.pubsub.v1.SchemaSettings schema_settings = 6;
-   *
+   * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return The schemaSettings.
    */
   @java.lang.Override
   public com.google.pubsub.v1.SchemaSettings getSchemaSettings() {
-    return schemaSettings_ == null
-        ? com.google.pubsub.v1.SchemaSettings.getDefaultInstance()
-        : schemaSettings_;
+    return schemaSettings_ == null ? com.google.pubsub.v1.SchemaSettings.getDefaultInstance() : schemaSettings_;
   }
   /**
-   *
-   *
    * 
        -   * Settings for validating messages published against a schema.
+   * Optional. Settings for validating messages published against a schema.
    * 
        
    *
-   * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+   * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.pubsub.v1.SchemaSettingsOrBuilder getSchemaSettingsOrBuilder() {
-    return schemaSettings_ == null
-        ? com.google.pubsub.v1.SchemaSettings.getDefaultInstance()
-        : schemaSettings_;
+    return schemaSettings_ == null ? com.google.pubsub.v1.SchemaSettings.getDefaultInstance() : schemaSettings_;
   }
 
   public static final int SATISFIES_PZS_FIELD_NUMBER = 7;
   private boolean satisfiesPzs_ = false;
   /**
-   *
-   *
    * 
        -   * Reserved for future use. This field is set only in responses from the
-   * server; it is ignored if it is set in any requests.
+   * Optional. Reserved for future use. This field is set only in responses from
+   * the server; it is ignored if it is set in any requests.
    * 
        
    *
-   * bool satisfies_pzs = 7;
-   *
+   * bool satisfies_pzs = 7 [(.google.api.field_behavior) = OPTIONAL];
    * @return The satisfiesPzs.
    */
   @java.lang.Override
@@ -586,21 +516,19 @@ public boolean getSatisfiesPzs() {
   public static final int MESSAGE_RETENTION_DURATION_FIELD_NUMBER = 8;
   private com.google.protobuf.Duration messageRetentionDuration_;
   /**
-   *
-   *
    * 
        -   * Indicates the minimum duration to retain a message after it is published to
-   * the topic. If this field is set, messages published to the topic in the
-   * last `message_retention_duration` are always available to subscribers. For
-   * instance, it allows any attached subscription to [seek to a
+   * Optional. Indicates the minimum duration to retain a message after it is
+   * published to the topic. If this field is set, messages published to the
+   * topic in the last `message_retention_duration` are always available to
+   * subscribers. For instance, it allows any attached subscription to [seek to
+   * a
    * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
    * that is up to `message_retention_duration` in the past. If this field is
    * not set, message retention is controlled by settings on individual
    * subscriptions. Cannot be more than 31 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
-   *
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the messageRetentionDuration field is set.
    */
   @java.lang.Override
@@ -608,84 +536,67 @@ public boolean hasMessageRetentionDuration() {
     return messageRetentionDuration_ != null;
   }
   /**
-   *
-   *
    * 
        -   * Indicates the minimum duration to retain a message after it is published to
-   * the topic. If this field is set, messages published to the topic in the
-   * last `message_retention_duration` are always available to subscribers. For
-   * instance, it allows any attached subscription to [seek to a
+   * Optional. Indicates the minimum duration to retain a message after it is
+   * published to the topic. If this field is set, messages published to the
+   * topic in the last `message_retention_duration` are always available to
+   * subscribers. For instance, it allows any attached subscription to [seek to
+   * a
    * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
    * that is up to `message_retention_duration` in the past. If this field is
    * not set, message retention is controlled by settings on individual
    * subscriptions. Cannot be more than 31 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
-   *
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return The messageRetentionDuration.
    */
   @java.lang.Override
   public com.google.protobuf.Duration getMessageRetentionDuration() {
-    return messageRetentionDuration_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : messageRetentionDuration_;
+    return messageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : messageRetentionDuration_;
   }
   /**
-   *
-   *
    * 
        -   * Indicates the minimum duration to retain a message after it is published to
-   * the topic. If this field is set, messages published to the topic in the
-   * last `message_retention_duration` are always available to subscribers. For
-   * instance, it allows any attached subscription to [seek to a
+   * Optional. Indicates the minimum duration to retain a message after it is
+   * published to the topic. If this field is set, messages published to the
+   * topic in the last `message_retention_duration` are always available to
+   * subscribers. For instance, it allows any attached subscription to [seek to
+   * a
    * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
    * that is up to `message_retention_duration` in the past. If this field is
    * not set, message retention is controlled by settings on individual
    * subscriptions. Cannot be more than 31 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
   public com.google.protobuf.DurationOrBuilder getMessageRetentionDurationOrBuilder() {
-    return messageRetentionDuration_ == null
-        ? com.google.protobuf.Duration.getDefaultInstance()
-        : messageRetentionDuration_;
+    return messageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : messageRetentionDuration_;
   }
 
   public static final int STATE_FIELD_NUMBER = 9;
   private int state_ = 0;
   /**
-   *
-   *
    * 
            * Output only. An output-only field indicating the state of the topic.
    * 
        
    *
-   * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The enum numeric value on the wire for state.
    */
-  @java.lang.Override
-  public int getStateValue() {
+  @java.lang.Override public int getStateValue() {
     return state_;
   }
   /**
-   *
-   *
    * 
            * Output only. An output-only field indicating the state of the topic.
    * 
        
    *
-   * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The state.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.Topic.State getState() {
+  @java.lang.Override public com.google.pubsub.v1.Topic.State getState() {
     com.google.pubsub.v1.Topic.State result = com.google.pubsub.v1.Topic.State.forNumber(state_);
     return result == null ? com.google.pubsub.v1.Topic.State.UNRECOGNIZED : result;
   }
@@ -693,17 +604,12 @@ public com.google.pubsub.v1.Topic.State getState() {
   public static final int INGESTION_DATA_SOURCE_SETTINGS_FIELD_NUMBER = 10;
   private com.google.pubsub.v1.IngestionDataSourceSettings ingestionDataSourceSettings_;
   /**
-   *
-   *
    * 
            * Optional. Settings for managed ingestion from a data source into this
    * topic.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
+   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the ingestionDataSourceSettings field is set.
    */
   @java.lang.Override
@@ -711,47 +617,32 @@ public boolean hasIngestionDataSourceSettings() {
     return ingestionDataSourceSettings_ != null;
   }
   /**
-   *
-   *
    * 
            * Optional. Settings for managed ingestion from a data source into this
    * topic.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
+   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
    * @return The ingestionDataSourceSettings.
    */
   @java.lang.Override
   public com.google.pubsub.v1.IngestionDataSourceSettings getIngestionDataSourceSettings() {
-    return ingestionDataSourceSettings_ == null
-        ? com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance()
-        : ingestionDataSourceSettings_;
+    return ingestionDataSourceSettings_ == null ? com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance() : ingestionDataSourceSettings_;
   }
   /**
-   *
-   *
    * 
            * Optional. Settings for managed ingestion from a data source into this
    * topic.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-   * 
+   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
    */
   @java.lang.Override
-  public com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder
-      getIngestionDataSourceSettingsOrBuilder() {
-    return ingestionDataSourceSettings_ == null
-        ? com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance()
-        : ingestionDataSourceSettings_;
+  public com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder getIngestionDataSourceSettingsOrBuilder() {
+    return ingestionDataSourceSettings_ == null ? com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance() : ingestionDataSourceSettings_;
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -763,12 +654,17 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
     }
-    com.google.protobuf.GeneratedMessageV3.serializeStringMapTo(
-        output, internalGetLabels(), LabelsDefaultEntryHolder.defaultEntry, 2);
+    com.google.protobuf.GeneratedMessageV3
+      .serializeStringMapTo(
+        output,
+        internalGetLabels(),
+        LabelsDefaultEntryHolder.defaultEntry,
+        2);
     if (messageStoragePolicy_ != null) {
       output.writeMessage(3, getMessageStoragePolicy());
     }
@@ -802,41 +698,42 @@ public int getSerializedSize() {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
     }
-    for (java.util.Map.Entry entry :
-        internalGetLabels().getMap().entrySet()) {
-      com.google.protobuf.MapEntry labels__ =
-          LabelsDefaultEntryHolder.defaultEntry
-              .newBuilderForType()
-              .setKey(entry.getKey())
-              .setValue(entry.getValue())
-              .build();
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, labels__);
+    for (java.util.Map.Entry entry
+         : internalGetLabels().getMap().entrySet()) {
+      com.google.protobuf.MapEntry
+      labels__ = LabelsDefaultEntryHolder.defaultEntry.newBuilderForType()
+          .setKey(entry.getKey())
+          .setValue(entry.getValue())
+          .build();
+      size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(2, labels__);
     }
     if (messageStoragePolicy_ != null) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(3, getMessageStoragePolicy());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(3, getMessageStoragePolicy());
     }
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(kmsKeyName_)) {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(5, kmsKeyName_);
     }
     if (schemaSettings_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(6, getSchemaSettings());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(6, getSchemaSettings());
     }
     if (satisfiesPzs_ != false) {
-      size += com.google.protobuf.CodedOutputStream.computeBoolSize(7, satisfiesPzs_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBoolSize(7, satisfiesPzs_);
     }
     if (messageRetentionDuration_ != null) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              8, getMessageRetentionDuration());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(8, getMessageRetentionDuration());
     }
     if (state_ != com.google.pubsub.v1.Topic.State.STATE_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(9, state_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(9, state_);
     }
     if (ingestionDataSourceSettings_ != null) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              10, getIngestionDataSourceSettings());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(10, getIngestionDataSourceSettings());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -846,34 +743,41 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.Topic)) {
       return super.equals(obj);
     }
     com.google.pubsub.v1.Topic other = (com.google.pubsub.v1.Topic) obj;
 
-    if (!getName().equals(other.getName())) return false;
-    if (!internalGetLabels().equals(other.internalGetLabels())) return false;
+    if (!getName()
+        .equals(other.getName())) return false;
+    if (!internalGetLabels().equals(
+        other.internalGetLabels())) return false;
     if (hasMessageStoragePolicy() != other.hasMessageStoragePolicy()) return false;
     if (hasMessageStoragePolicy()) {
-      if (!getMessageStoragePolicy().equals(other.getMessageStoragePolicy())) return false;
+      if (!getMessageStoragePolicy()
+          .equals(other.getMessageStoragePolicy())) return false;
     }
-    if (!getKmsKeyName().equals(other.getKmsKeyName())) return false;
+    if (!getKmsKeyName()
+        .equals(other.getKmsKeyName())) return false;
     if (hasSchemaSettings() != other.hasSchemaSettings()) return false;
     if (hasSchemaSettings()) {
-      if (!getSchemaSettings().equals(other.getSchemaSettings())) return false;
+      if (!getSchemaSettings()
+          .equals(other.getSchemaSettings())) return false;
     }
-    if (getSatisfiesPzs() != other.getSatisfiesPzs()) return false;
+    if (getSatisfiesPzs()
+        != other.getSatisfiesPzs()) return false;
     if (hasMessageRetentionDuration() != other.hasMessageRetentionDuration()) return false;
     if (hasMessageRetentionDuration()) {
-      if (!getMessageRetentionDuration().equals(other.getMessageRetentionDuration())) return false;
+      if (!getMessageRetentionDuration()
+          .equals(other.getMessageRetentionDuration())) return false;
     }
     if (state_ != other.state_) return false;
     if (hasIngestionDataSourceSettings() != other.hasIngestionDataSourceSettings()) return false;
     if (hasIngestionDataSourceSettings()) {
-      if (!getIngestionDataSourceSettings().equals(other.getIngestionDataSourceSettings()))
-        return false;
+      if (!getIngestionDataSourceSettings()
+          .equals(other.getIngestionDataSourceSettings())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -903,7 +807,8 @@ public int hashCode() {
       hash = (53 * hash) + getSchemaSettings().hashCode();
     }
     hash = (37 * hash) + SATISFIES_PZS_FIELD_NUMBER;
-    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(getSatisfiesPzs());
+    hash = (53 * hash) + com.google.protobuf.Internal.hashBoolean(
+        getSatisfiesPzs());
     if (hasMessageRetentionDuration()) {
       hash = (37 * hash) + MESSAGE_RETENTION_DURATION_FIELD_NUMBER;
       hash = (53 * hash) + getMessageRetentionDuration().hashCode();
@@ -919,153 +824,154 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.Topic parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.Topic parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Topic parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.Topic parseFrom(com.google.protobuf.ByteString data)
+  public static com.google.pubsub.v1.Topic parseFrom(
+      com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Topic parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Topic parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.Topic parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.Topic parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.Topic parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   public static com.google.pubsub.v1.Topic parseDelimitedFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.Topic parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
-  public static com.google.pubsub.v1.Topic parseFrom(com.google.protobuf.CodedInputStream input)
+  public static com.google.pubsub.v1.Topic parseFrom(
+      com.google.protobuf.CodedInputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.Topic parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.Topic prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * A topic resource.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.Topic}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.Topic)
       com.google.pubsub.v1.TopicOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
       return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Topic_descriptor;
     }
 
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMapField(
+        int number) {
       switch (number) {
         case 2:
           return internalGetLabels();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @SuppressWarnings({"rawtypes"})
-    protected com.google.protobuf.MapField internalGetMutableMapField(int number) {
+    protected com.google.protobuf.MapField internalGetMutableMapField(
+        int number) {
       switch (number) {
         case 2:
           return internalGetMutableLabels();
         default:
-          throw new RuntimeException("Invalid map field number: " + number);
+          throw new RuntimeException(
+              "Invalid map field number: " + number);
       }
     }
-
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_Topic_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Topic_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
               com.google.pubsub.v1.Topic.class, com.google.pubsub.v1.Topic.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.Topic.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -1099,7 +1005,8 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
       return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_Topic_descriptor;
     }
 
@@ -1120,9 +1027,7 @@ public com.google.pubsub.v1.Topic build() {
     @java.lang.Override
     public com.google.pubsub.v1.Topic buildPartial() {
       com.google.pubsub.v1.Topic result = new com.google.pubsub.v1.Topic(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -1137,35 +1042,33 @@ private void buildPartial0(com.google.pubsub.v1.Topic result) {
         result.labels_.makeImmutable();
       }
       if (((from_bitField0_ & 0x00000004) != 0)) {
-        result.messageStoragePolicy_ =
-            messageStoragePolicyBuilder_ == null
-                ? messageStoragePolicy_
-                : messageStoragePolicyBuilder_.build();
+        result.messageStoragePolicy_ = messageStoragePolicyBuilder_ == null
+            ? messageStoragePolicy_
+            : messageStoragePolicyBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000008) != 0)) {
         result.kmsKeyName_ = kmsKeyName_;
       }
       if (((from_bitField0_ & 0x00000010) != 0)) {
-        result.schemaSettings_ =
-            schemaSettingsBuilder_ == null ? schemaSettings_ : schemaSettingsBuilder_.build();
+        result.schemaSettings_ = schemaSettingsBuilder_ == null
+            ? schemaSettings_
+            : schemaSettingsBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000020) != 0)) {
         result.satisfiesPzs_ = satisfiesPzs_;
       }
       if (((from_bitField0_ & 0x00000040) != 0)) {
-        result.messageRetentionDuration_ =
-            messageRetentionDurationBuilder_ == null
-                ? messageRetentionDuration_
-                : messageRetentionDurationBuilder_.build();
+        result.messageRetentionDuration_ = messageRetentionDurationBuilder_ == null
+            ? messageRetentionDuration_
+            : messageRetentionDurationBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000080) != 0)) {
         result.state_ = state_;
       }
       if (((from_bitField0_ & 0x00000100) != 0)) {
-        result.ingestionDataSourceSettings_ =
-            ingestionDataSourceSettingsBuilder_ == null
-                ? ingestionDataSourceSettings_
-                : ingestionDataSourceSettingsBuilder_.build();
+        result.ingestionDataSourceSettings_ = ingestionDataSourceSettingsBuilder_ == null
+            ? ingestionDataSourceSettings_
+            : ingestionDataSourceSettingsBuilder_.build();
       }
     }
 
@@ -1173,39 +1076,38 @@ private void buildPartial0(com.google.pubsub.v1.Topic result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.Topic) {
-        return mergeFrom((com.google.pubsub.v1.Topic) other);
+        return mergeFrom((com.google.pubsub.v1.Topic)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -1219,7 +1121,8 @@ public Builder mergeFrom(com.google.pubsub.v1.Topic other) {
         bitField0_ |= 0x00000001;
         onChanged();
       }
-      internalGetMutableLabels().mergeFrom(other.internalGetLabels());
+      internalGetMutableLabels().mergeFrom(
+          other.internalGetLabels());
       bitField0_ |= 0x00000002;
       if (other.hasMessageStoragePolicy()) {
         mergeMessageStoragePolicy(other.getMessageStoragePolicy());
@@ -1270,76 +1173,69 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                name_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                com.google.protobuf.MapEntry labels__ =
-                    input.readMessage(
-                        LabelsDefaultEntryHolder.defaultEntry.getParserForType(),
-                        extensionRegistry);
-                internalGetMutableLabels()
-                    .getMutableMap()
-                    .put(labels__.getKey(), labels__.getValue());
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            case 26:
-              {
-                input.readMessage(
-                    getMessageStoragePolicyFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000004;
-                break;
-              } // case 26
-            case 42:
-              {
-                kmsKeyName_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 42
-            case 50:
-              {
-                input.readMessage(getSchemaSettingsFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 50
-            case 56:
-              {
-                satisfiesPzs_ = input.readBool();
-                bitField0_ |= 0x00000020;
-                break;
-              } // case 56
-            case 66:
-              {
-                input.readMessage(
-                    getMessageRetentionDurationFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000040;
-                break;
-              } // case 66
-            case 72:
-              {
-                state_ = input.readEnum();
-                bitField0_ |= 0x00000080;
-                break;
-              } // case 72
-            case 82:
-              {
-                input.readMessage(
-                    getIngestionDataSourceSettingsFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000100;
-                break;
-              } // case 82
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              name_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              com.google.protobuf.MapEntry
+              labels__ = input.readMessage(
+                  LabelsDefaultEntryHolder.defaultEntry.getParserForType(), extensionRegistry);
+              internalGetMutableLabels().getMutableMap().put(
+                  labels__.getKey(), labels__.getValue());
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            case 26: {
+              input.readMessage(
+                  getMessageStoragePolicyFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000004;
+              break;
+            } // case 26
+            case 42: {
+              kmsKeyName_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 42
+            case 50: {
+              input.readMessage(
+                  getSchemaSettingsFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000010;
+              break;
+            } // case 50
+            case 56: {
+              satisfiesPzs_ = input.readBool();
+              bitField0_ |= 0x00000020;
+              break;
+            } // case 56
+            case 66: {
+              input.readMessage(
+                  getMessageRetentionDurationFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000040;
+              break;
+            } // case 66
+            case 72: {
+              state_ = input.readEnum();
+              bitField0_ |= 0x00000080;
+              break;
+            } // case 72
+            case 82: {
+              input.readMessage(
+                  getIngestionDataSourceSettingsFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000100;
+              break;
+            } // case 82
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -1349,13 +1245,10 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object name_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the topic. It must have the format
      * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -1366,13 +1259,13 @@ public Builder mergeFrom(
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The name.
      */
     public java.lang.String getName() {
       java.lang.Object ref = name_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         name_ = s;
         return s;
@@ -1381,8 +1274,6 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic. It must have the format
      * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -1393,14 +1284,15 @@ public java.lang.String getName() {
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The bytes for name.
      */
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = name_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         name_ = b;
         return b;
       } else {
@@ -1408,8 +1300,6 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic. It must have the format
      * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -1420,22 +1310,18 @@ public com.google.protobuf.ByteString getNameBytes() {
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       name_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic. It must have the format
      * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -1446,7 +1332,6 @@ public Builder setName(java.lang.String value) {
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -1456,8 +1341,6 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the topic. It must have the format
      * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -1468,14 +1351,12 @@ public Builder clearName() {
      * 
        
      *
      * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       name_ = value;
       bitField0_ |= 0x00000001;
@@ -1483,19 +1364,21 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
-    private com.google.protobuf.MapField labels_;
-
-    private com.google.protobuf.MapField internalGetLabels() {
+    private com.google.protobuf.MapField<
+        java.lang.String, java.lang.String> labels_;
+    private com.google.protobuf.MapField
+        internalGetLabels() {
       if (labels_ == null) {
-        return com.google.protobuf.MapField.emptyMapField(LabelsDefaultEntryHolder.defaultEntry);
+        return com.google.protobuf.MapField.emptyMapField(
+            LabelsDefaultEntryHolder.defaultEntry);
       }
       return labels_;
     }
-
     private com.google.protobuf.MapField
         internalGetMutableLabels() {
       if (labels_ == null) {
-        labels_ = com.google.protobuf.MapField.newMapField(LabelsDefaultEntryHolder.defaultEntry);
+        labels_ = com.google.protobuf.MapField.newMapField(
+            LabelsDefaultEntryHolder.defaultEntry);
       }
       if (!labels_.isMutable()) {
         labels_ = labels_.copy();
@@ -1504,209 +1387,186 @@ private com.google.protobuf.MapField interna
       onChanged();
       return labels_;
     }
-
     public int getLabelsCount() {
       return internalGetLabels().getMap().size();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 2;
+     * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public boolean containsLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
+    public boolean containsLabels(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
       return internalGetLabels().getMap().containsKey(key);
     }
-    /** Use {@link #getLabelsMap()} instead. */
+    /**
+     * Use {@link #getLabelsMap()} instead.
+     */
     @java.lang.Override
     @java.lang.Deprecated
     public java.util.Map getLabels() {
       return getLabelsMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 2;
+     * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
     public java.util.Map getLabelsMap() {
       return internalGetLabels().getMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 2;
+     * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public /* nullable */ java.lang.String getLabelsOrDefault(
+    public /* nullable */
+java.lang.String getLabelsOrDefault(
         java.lang.String key,
         /* nullable */
-        java.lang.String defaultValue) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
+java.lang.String defaultValue) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetLabels().getMap();
       return map.containsKey(key) ? map.get(key) : defaultValue;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 2;
+     * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
     @java.lang.Override
-    public java.lang.String getLabelsOrThrow(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      java.util.Map map = internalGetLabels().getMap();
+    public java.lang.String getLabelsOrThrow(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      java.util.Map map =
+          internalGetLabels().getMap();
       if (!map.containsKey(key)) {
         throw new java.lang.IllegalArgumentException();
       }
       return map.get(key);
     }
-
     public Builder clearLabels() {
       bitField0_ = (bitField0_ & ~0x00000002);
-      internalGetMutableLabels().getMutableMap().clear();
+      internalGetMutableLabels().getMutableMap()
+          .clear();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 2;
+     * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder removeLabels(java.lang.String key) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      internalGetMutableLabels().getMutableMap().remove(key);
+    public Builder removeLabels(
+        java.lang.String key) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      internalGetMutableLabels().getMutableMap()
+          .remove(key);
       return this;
     }
-    /** Use alternate mutation accessors instead. */
+    /**
+     * Use alternate mutation accessors instead.
+     */
     @java.lang.Deprecated
-    public java.util.Map getMutableLabels() {
+    public java.util.Map
+        getMutableLabels() {
       bitField0_ |= 0x00000002;
       return internalGetMutableLabels().getMutableMap();
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 2;
+     * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putLabels(java.lang.String key, java.lang.String value) {
-      if (key == null) {
-        throw new NullPointerException("map key");
-      }
-      if (value == null) {
-        throw new NullPointerException("map value");
-      }
-      internalGetMutableLabels().getMutableMap().put(key, value);
+    public Builder putLabels(
+        java.lang.String key,
+        java.lang.String value) {
+      if (key == null) { throw new NullPointerException("map key"); }
+      if (value == null) { throw new NullPointerException("map value"); }
+      internalGetMutableLabels().getMutableMap()
+          .put(key, value);
       bitField0_ |= 0x00000002;
       return this;
     }
     /**
-     *
-     *
      * 
        -     * See [Creating and managing labels]
+     * Optional. See [Creating and managing labels]
      * (https://cloud.google.com/pubsub/docs/labels).
      * 
        
      *
-     * map<string, string> labels = 2;
+     * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder putAllLabels(java.util.Map values) {
-      internalGetMutableLabels().getMutableMap().putAll(values);
+    public Builder putAllLabels(
+        java.util.Map values) {
+      internalGetMutableLabels().getMutableMap()
+          .putAll(values);
       bitField0_ |= 0x00000002;
       return this;
     }
 
     private com.google.pubsub.v1.MessageStoragePolicy messageStoragePolicy_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.MessageStoragePolicy,
-            com.google.pubsub.v1.MessageStoragePolicy.Builder,
-            com.google.pubsub.v1.MessageStoragePolicyOrBuilder>
-        messageStoragePolicyBuilder_;
+        com.google.pubsub.v1.MessageStoragePolicy, com.google.pubsub.v1.MessageStoragePolicy.Builder, com.google.pubsub.v1.MessageStoragePolicyOrBuilder> messageStoragePolicyBuilder_;
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
-     *
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the messageStoragePolicy field is set.
      */
     public boolean hasMessageStoragePolicy() {
       return ((bitField0_ & 0x00000004) != 0);
     }
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
-     *
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      * @return The messageStoragePolicy.
      */
     public com.google.pubsub.v1.MessageStoragePolicy getMessageStoragePolicy() {
       if (messageStoragePolicyBuilder_ == null) {
-        return messageStoragePolicy_ == null
-            ? com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance()
-            : messageStoragePolicy_;
+        return messageStoragePolicy_ == null ? com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance() : messageStoragePolicy_;
       } else {
         return messageStoragePolicyBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMessageStoragePolicy(com.google.pubsub.v1.MessageStoragePolicy value) {
       if (messageStoragePolicyBuilder_ == null) {
@@ -1722,15 +1582,13 @@ public Builder setMessageStoragePolicy(com.google.pubsub.v1.MessageStoragePolicy
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMessageStoragePolicy(
         com.google.pubsub.v1.MessageStoragePolicy.Builder builderForValue) {
@@ -1744,22 +1602,19 @@ public Builder setMessageStoragePolicy(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeMessageStoragePolicy(com.google.pubsub.v1.MessageStoragePolicy value) {
       if (messageStoragePolicyBuilder_ == null) {
-        if (((bitField0_ & 0x00000004) != 0)
-            && messageStoragePolicy_ != null
-            && messageStoragePolicy_
-                != com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000004) != 0) &&
+          messageStoragePolicy_ != null &&
+          messageStoragePolicy_ != com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance()) {
           getMessageStoragePolicyBuilder().mergeFrom(value);
         } else {
           messageStoragePolicy_ = value;
@@ -1772,15 +1627,13 @@ public Builder mergeMessageStoragePolicy(com.google.pubsub.v1.MessageStoragePoli
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearMessageStoragePolicy() {
       bitField0_ = (bitField0_ & ~0x00000004);
@@ -1793,15 +1646,13 @@ public Builder clearMessageStoragePolicy() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.MessageStoragePolicy.Builder getMessageStoragePolicyBuilder() {
       bitField0_ |= 0x00000004;
@@ -1809,48 +1660,40 @@ public com.google.pubsub.v1.MessageStoragePolicy.Builder getMessageStoragePolicy
       return getMessageStoragePolicyFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.MessageStoragePolicyOrBuilder getMessageStoragePolicyOrBuilder() {
       if (messageStoragePolicyBuilder_ != null) {
         return messageStoragePolicyBuilder_.getMessageOrBuilder();
       } else {
-        return messageStoragePolicy_ == null
-            ? com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance()
-            : messageStoragePolicy_;
+        return messageStoragePolicy_ == null ?
+            com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance() : messageStoragePolicy_;
       }
     }
     /**
-     *
-     *
      * 
        -     * Policy constraining the set of Google Cloud Platform regions where messages
-     * published to the topic may be stored. If not present, then no constraints
-     * are in effect.
+     * Optional. Policy constraining the set of Google Cloud Platform regions
+     * where messages published to the topic may be stored. If not present, then
+     * no constraints are in effect.
      * 
        
      *
-     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+     * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.MessageStoragePolicy,
-            com.google.pubsub.v1.MessageStoragePolicy.Builder,
-            com.google.pubsub.v1.MessageStoragePolicyOrBuilder>
+        com.google.pubsub.v1.MessageStoragePolicy, com.google.pubsub.v1.MessageStoragePolicy.Builder, com.google.pubsub.v1.MessageStoragePolicyOrBuilder> 
         getMessageStoragePolicyFieldBuilder() {
       if (messageStoragePolicyBuilder_ == null) {
-        messageStoragePolicyBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.MessageStoragePolicy,
-                com.google.pubsub.v1.MessageStoragePolicy.Builder,
-                com.google.pubsub.v1.MessageStoragePolicyOrBuilder>(
-                getMessageStoragePolicy(), getParentForChildren(), isClean());
+        messageStoragePolicyBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.MessageStoragePolicy, com.google.pubsub.v1.MessageStoragePolicy.Builder, com.google.pubsub.v1.MessageStoragePolicyOrBuilder>(
+                getMessageStoragePolicy(),
+                getParentForChildren(),
+                isClean());
         messageStoragePolicy_ = null;
       }
       return messageStoragePolicyBuilder_;
@@ -1858,23 +1701,21 @@ public com.google.pubsub.v1.MessageStoragePolicyOrBuilder getMessageStoragePolic
 
     private java.lang.Object kmsKeyName_ = "";
     /**
-     *
-     *
      * 
        -     * The resource name of the Cloud KMS CryptoKey to be used to protect access
-     * to messages published on this topic.
+     * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+     * protect access to messages published on this topic.
      *
      * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
      * 
        
      *
-     * string kms_key_name = 5;
-     *
+     * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return The kmsKeyName.
      */
     public java.lang.String getKmsKeyName() {
       java.lang.Object ref = kmsKeyName_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         kmsKeyName_ = s;
         return s;
@@ -1883,24 +1724,23 @@ public java.lang.String getKmsKeyName() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resource name of the Cloud KMS CryptoKey to be used to protect access
-     * to messages published on this topic.
+     * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+     * protect access to messages published on this topic.
      *
      * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
      * 
        
      *
-     * string kms_key_name = 5;
-     *
+     * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return The bytes for kmsKeyName.
      */
-    public com.google.protobuf.ByteString getKmsKeyNameBytes() {
+    public com.google.protobuf.ByteString
+        getKmsKeyNameBytes() {
       java.lang.Object ref = kmsKeyName_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         kmsKeyName_ = b;
         return b;
       } else {
@@ -1908,41 +1748,34 @@ public com.google.protobuf.ByteString getKmsKeyNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
        -     * The resource name of the Cloud KMS CryptoKey to be used to protect access
-     * to messages published on this topic.
+     * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+     * protect access to messages published on this topic.
      *
      * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
      * 
        
      *
-     * string kms_key_name = 5;
-     *
+     * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The kmsKeyName to set.
      * @return This builder for chaining.
      */
-    public Builder setKmsKeyName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setKmsKeyName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       kmsKeyName_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resource name of the Cloud KMS CryptoKey to be used to protect access
-     * to messages published on this topic.
+     * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+     * protect access to messages published on this topic.
      *
      * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
      * 
        
      *
-     * string kms_key_name = 5;
-     *
+     * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearKmsKeyName() {
@@ -1952,24 +1785,20 @@ public Builder clearKmsKeyName() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * The resource name of the Cloud KMS CryptoKey to be used to protect access
-     * to messages published on this topic.
+     * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+     * protect access to messages published on this topic.
      *
      * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
      * 
        
      *
-     * string kms_key_name = 5;
-     *
+     * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The bytes for kmsKeyName to set.
      * @return This builder for chaining.
      */
-    public Builder setKmsKeyNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setKmsKeyNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       kmsKeyName_ = value;
       bitField0_ |= 0x00000008;
@@ -1979,52 +1808,39 @@ public Builder setKmsKeyNameBytes(com.google.protobuf.ByteString value) {
 
     private com.google.pubsub.v1.SchemaSettings schemaSettings_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.SchemaSettings,
-            com.google.pubsub.v1.SchemaSettings.Builder,
-            com.google.pubsub.v1.SchemaSettingsOrBuilder>
-        schemaSettingsBuilder_;
+        com.google.pubsub.v1.SchemaSettings, com.google.pubsub.v1.SchemaSettings.Builder, com.google.pubsub.v1.SchemaSettingsOrBuilder> schemaSettingsBuilder_;
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
-     *
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the schemaSettings field is set.
      */
     public boolean hasSchemaSettings() {
       return ((bitField0_ & 0x00000010) != 0);
     }
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
-     *
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      * @return The schemaSettings.
      */
     public com.google.pubsub.v1.SchemaSettings getSchemaSettings() {
       if (schemaSettingsBuilder_ == null) {
-        return schemaSettings_ == null
-            ? com.google.pubsub.v1.SchemaSettings.getDefaultInstance()
-            : schemaSettings_;
+        return schemaSettings_ == null ? com.google.pubsub.v1.SchemaSettings.getDefaultInstance() : schemaSettings_;
       } else {
         return schemaSettingsBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setSchemaSettings(com.google.pubsub.v1.SchemaSettings value) {
       if (schemaSettingsBuilder_ == null) {
@@ -2040,15 +1856,14 @@ public Builder setSchemaSettings(com.google.pubsub.v1.SchemaSettings value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setSchemaSettings(com.google.pubsub.v1.SchemaSettings.Builder builderForValue) {
+    public Builder setSchemaSettings(
+        com.google.pubsub.v1.SchemaSettings.Builder builderForValue) {
       if (schemaSettingsBuilder_ == null) {
         schemaSettings_ = builderForValue.build();
       } else {
@@ -2059,19 +1874,17 @@ public Builder setSchemaSettings(com.google.pubsub.v1.SchemaSettings.Builder bui
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeSchemaSettings(com.google.pubsub.v1.SchemaSettings value) {
       if (schemaSettingsBuilder_ == null) {
-        if (((bitField0_ & 0x00000010) != 0)
-            && schemaSettings_ != null
-            && schemaSettings_ != com.google.pubsub.v1.SchemaSettings.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000010) != 0) &&
+          schemaSettings_ != null &&
+          schemaSettings_ != com.google.pubsub.v1.SchemaSettings.getDefaultInstance()) {
           getSchemaSettingsBuilder().mergeFrom(value);
         } else {
           schemaSettings_ = value;
@@ -2084,13 +1897,11 @@ public Builder mergeSchemaSettings(com.google.pubsub.v1.SchemaSettings value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearSchemaSettings() {
       bitField0_ = (bitField0_ & ~0x00000010);
@@ -2103,13 +1914,11 @@ public Builder clearSchemaSettings() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.SchemaSettings.Builder getSchemaSettingsBuilder() {
       bitField0_ |= 0x00000010;
@@ -2117,60 +1926,49 @@ public com.google.pubsub.v1.SchemaSettings.Builder getSchemaSettingsBuilder() {
       return getSchemaSettingsFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.pubsub.v1.SchemaSettingsOrBuilder getSchemaSettingsOrBuilder() {
       if (schemaSettingsBuilder_ != null) {
         return schemaSettingsBuilder_.getMessageOrBuilder();
       } else {
-        return schemaSettings_ == null
-            ? com.google.pubsub.v1.SchemaSettings.getDefaultInstance()
-            : schemaSettings_;
+        return schemaSettings_ == null ?
+            com.google.pubsub.v1.SchemaSettings.getDefaultInstance() : schemaSettings_;
       }
     }
     /**
-     *
-     *
      * 
        -     * Settings for validating messages published against a schema.
+     * Optional. Settings for validating messages published against a schema.
      * 
        
      *
-     * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+     * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.SchemaSettings,
-            com.google.pubsub.v1.SchemaSettings.Builder,
-            com.google.pubsub.v1.SchemaSettingsOrBuilder>
+        com.google.pubsub.v1.SchemaSettings, com.google.pubsub.v1.SchemaSettings.Builder, com.google.pubsub.v1.SchemaSettingsOrBuilder> 
         getSchemaSettingsFieldBuilder() {
       if (schemaSettingsBuilder_ == null) {
-        schemaSettingsBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.SchemaSettings,
-                com.google.pubsub.v1.SchemaSettings.Builder,
-                com.google.pubsub.v1.SchemaSettingsOrBuilder>(
-                getSchemaSettings(), getParentForChildren(), isClean());
+        schemaSettingsBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.SchemaSettings, com.google.pubsub.v1.SchemaSettings.Builder, com.google.pubsub.v1.SchemaSettingsOrBuilder>(
+                getSchemaSettings(),
+                getParentForChildren(),
+                isClean());
         schemaSettings_ = null;
       }
       return schemaSettingsBuilder_;
     }
 
-    private boolean satisfiesPzs_;
+    private boolean satisfiesPzs_ ;
     /**
-     *
-     *
      * 
        -     * Reserved for future use. This field is set only in responses from the
-     * server; it is ignored if it is set in any requests.
+     * Optional. Reserved for future use. This field is set only in responses from
+     * the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * bool satisfies_pzs = 7;
-     *
+     * bool satisfies_pzs = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @return The satisfiesPzs.
      */
     @java.lang.Override
@@ -2178,15 +1976,12 @@ public boolean getSatisfiesPzs() {
       return satisfiesPzs_;
     }
     /**
-     *
-     *
      * 
        -     * Reserved for future use. This field is set only in responses from the
-     * server; it is ignored if it is set in any requests.
+     * Optional. Reserved for future use. This field is set only in responses from
+     * the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * bool satisfies_pzs = 7;
-     *
+     * bool satisfies_pzs = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @param value The satisfiesPzs to set.
      * @return This builder for chaining.
      */
@@ -2198,15 +1993,12 @@ public Builder setSatisfiesPzs(boolean value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Reserved for future use. This field is set only in responses from the
-     * server; it is ignored if it is set in any requests.
+     * Optional. Reserved for future use. This field is set only in responses from
+     * the server; it is ignored if it is set in any requests.
      * 
        
      *
-     * bool satisfies_pzs = 7;
-     *
+     * bool satisfies_pzs = 7 [(.google.api.field_behavior) = OPTIONAL];
      * @return This builder for chaining.
      */
     public Builder clearSatisfiesPzs() {
@@ -2218,73 +2010,63 @@ public Builder clearSatisfiesPzs() {
 
     private com.google.protobuf.Duration messageRetentionDuration_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
-        messageRetentionDurationBuilder_;
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> messageRetentionDurationBuilder_;
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
-     *
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the messageRetentionDuration field is set.
      */
     public boolean hasMessageRetentionDuration() {
       return ((bitField0_ & 0x00000040) != 0);
     }
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
-     *
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      * @return The messageRetentionDuration.
      */
     public com.google.protobuf.Duration getMessageRetentionDuration() {
       if (messageRetentionDurationBuilder_ == null) {
-        return messageRetentionDuration_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : messageRetentionDuration_;
+        return messageRetentionDuration_ == null ? com.google.protobuf.Duration.getDefaultInstance() : messageRetentionDuration_;
       } else {
         return messageRetentionDurationBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMessageRetentionDuration(com.google.protobuf.Duration value) {
       if (messageRetentionDurationBuilder_ == null) {
@@ -2300,20 +2082,19 @@ public Builder setMessageRetentionDuration(com.google.protobuf.Duration value) {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setMessageRetentionDuration(
         com.google.protobuf.Duration.Builder builderForValue) {
@@ -2327,26 +2108,25 @@ public Builder setMessageRetentionDuration(
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder mergeMessageRetentionDuration(com.google.protobuf.Duration value) {
       if (messageRetentionDurationBuilder_ == null) {
-        if (((bitField0_ & 0x00000040) != 0)
-            && messageRetentionDuration_ != null
-            && messageRetentionDuration_ != com.google.protobuf.Duration.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000040) != 0) &&
+          messageRetentionDuration_ != null &&
+          messageRetentionDuration_ != com.google.protobuf.Duration.getDefaultInstance()) {
           getMessageRetentionDurationBuilder().mergeFrom(value);
         } else {
           messageRetentionDuration_ = value;
@@ -2359,20 +2139,19 @@ public Builder mergeMessageRetentionDuration(com.google.protobuf.Duration value)
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearMessageRetentionDuration() {
       bitField0_ = (bitField0_ & ~0x00000040);
@@ -2385,20 +2164,19 @@ public Builder clearMessageRetentionDuration() {
       return this;
     }
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.Duration.Builder getMessageRetentionDurationBuilder() {
       bitField0_ |= 0x00000040;
@@ -2406,58 +2184,52 @@ public com.google.protobuf.Duration.Builder getMessageRetentionDurationBuilder()
       return getMessageRetentionDurationFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     public com.google.protobuf.DurationOrBuilder getMessageRetentionDurationOrBuilder() {
       if (messageRetentionDurationBuilder_ != null) {
         return messageRetentionDurationBuilder_.getMessageOrBuilder();
       } else {
-        return messageRetentionDuration_ == null
-            ? com.google.protobuf.Duration.getDefaultInstance()
-            : messageRetentionDuration_;
+        return messageRetentionDuration_ == null ?
+            com.google.protobuf.Duration.getDefaultInstance() : messageRetentionDuration_;
       }
     }
     /**
-     *
-     *
      * 
        -     * Indicates the minimum duration to retain a message after it is published to
-     * the topic. If this field is set, messages published to the topic in the
-     * last `message_retention_duration` are always available to subscribers. For
-     * instance, it allows any attached subscription to [seek to a
+     * Optional. Indicates the minimum duration to retain a message after it is
+     * published to the topic. If this field is set, messages published to the
+     * topic in the last `message_retention_duration` are always available to
+     * subscribers. For instance, it allows any attached subscription to [seek to
+     * a
      * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
      * that is up to `message_retention_duration` in the past. If this field is
      * not set, message retention is controlled by settings on individual
      * subscriptions. Cannot be more than 31 days or less than 10 minutes.
      * 
        
      *
-     * .google.protobuf.Duration message_retention_duration = 8;
+     * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.Duration,
-            com.google.protobuf.Duration.Builder,
-            com.google.protobuf.DurationOrBuilder>
+        com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder> 
         getMessageRetentionDurationFieldBuilder() {
       if (messageRetentionDurationBuilder_ == null) {
-        messageRetentionDurationBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.Duration,
-                com.google.protobuf.Duration.Builder,
-                com.google.protobuf.DurationOrBuilder>(
-                getMessageRetentionDuration(), getParentForChildren(), isClean());
+        messageRetentionDurationBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.Duration, com.google.protobuf.Duration.Builder, com.google.protobuf.DurationOrBuilder>(
+                getMessageRetentionDuration(),
+                getParentForChildren(),
+                isClean());
         messageRetentionDuration_ = null;
       }
       return messageRetentionDurationBuilder_;
@@ -2465,31 +2237,22 @@ public com.google.protobuf.DurationOrBuilder getMessageRetentionDurationOrBuilde
 
     private int state_ = 0;
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating the state of the topic.
      * 
        
      *
-     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The enum numeric value on the wire for state.
      */
-    @java.lang.Override
-    public int getStateValue() {
+    @java.lang.Override public int getStateValue() {
       return state_;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating the state of the topic.
      * 
        
      *
-     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The enum numeric value on the wire for state to set.
      * @return This builder for chaining.
      */
@@ -2500,15 +2263,11 @@ public Builder setStateValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating the state of the topic.
      * 
        
      *
-     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return The state.
      */
     @java.lang.Override
@@ -2517,15 +2276,11 @@ public com.google.pubsub.v1.Topic.State getState() {
       return result == null ? com.google.pubsub.v1.Topic.State.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating the state of the topic.
      * 
        
      *
-     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @param value The state to set.
      * @return This builder for chaining.
      */
@@ -2539,15 +2294,11 @@ public Builder setState(com.google.pubsub.v1.Topic.State value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Output only. An output-only field indicating the state of the topic.
      * 
        
      *
-     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-     * 
-     *
+     * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
      * @return This builder for chaining.
      */
     public Builder clearState() {
@@ -2559,64 +2310,44 @@ public Builder clearState() {
 
     private com.google.pubsub.v1.IngestionDataSourceSettings ingestionDataSourceSettings_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.IngestionDataSourceSettings,
-            com.google.pubsub.v1.IngestionDataSourceSettings.Builder,
-            com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder>
-        ingestionDataSourceSettingsBuilder_;
+        com.google.pubsub.v1.IngestionDataSourceSettings, com.google.pubsub.v1.IngestionDataSourceSettings.Builder, com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder> ingestionDataSourceSettingsBuilder_;
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      * @return Whether the ingestionDataSourceSettings field is set.
      */
     public boolean hasIngestionDataSourceSettings() {
       return ((bitField0_ & 0x00000100) != 0);
     }
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
-     *
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      * @return The ingestionDataSourceSettings.
      */
     public com.google.pubsub.v1.IngestionDataSourceSettings getIngestionDataSourceSettings() {
       if (ingestionDataSourceSettingsBuilder_ == null) {
-        return ingestionDataSourceSettings_ == null
-            ? com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance()
-            : ingestionDataSourceSettings_;
+        return ingestionDataSourceSettings_ == null ? com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance() : ingestionDataSourceSettings_;
       } else {
         return ingestionDataSourceSettingsBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder setIngestionDataSourceSettings(
-        com.google.pubsub.v1.IngestionDataSourceSettings value) {
+    public Builder setIngestionDataSourceSettings(com.google.pubsub.v1.IngestionDataSourceSettings value) {
       if (ingestionDataSourceSettingsBuilder_ == null) {
         if (value == null) {
           throw new NullPointerException();
@@ -2630,16 +2361,12 @@ public Builder setIngestionDataSourceSettings(
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder setIngestionDataSourceSettings(
         com.google.pubsub.v1.IngestionDataSourceSettings.Builder builderForValue) {
@@ -2653,24 +2380,18 @@ public Builder setIngestionDataSourceSettings(
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public Builder mergeIngestionDataSourceSettings(
-        com.google.pubsub.v1.IngestionDataSourceSettings value) {
+    public Builder mergeIngestionDataSourceSettings(com.google.pubsub.v1.IngestionDataSourceSettings value) {
       if (ingestionDataSourceSettingsBuilder_ == null) {
-        if (((bitField0_ & 0x00000100) != 0)
-            && ingestionDataSourceSettings_ != null
-            && ingestionDataSourceSettings_
-                != com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000100) != 0) &&
+          ingestionDataSourceSettings_ != null &&
+          ingestionDataSourceSettings_ != com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance()) {
           getIngestionDataSourceSettingsBuilder().mergeFrom(value);
         } else {
           ingestionDataSourceSettings_ = value;
@@ -2683,16 +2404,12 @@ public Builder mergeIngestionDataSourceSettings(
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      */
     public Builder clearIngestionDataSourceSettings() {
       bitField0_ = (bitField0_ & ~0x00000100);
@@ -2705,76 +2422,58 @@ public Builder clearIngestionDataSourceSettings() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.IngestionDataSourceSettings.Builder
-        getIngestionDataSourceSettingsBuilder() {
+    public com.google.pubsub.v1.IngestionDataSourceSettings.Builder getIngestionDataSourceSettingsBuilder() {
       bitField0_ |= 0x00000100;
       onChanged();
       return getIngestionDataSourceSettingsFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      */
-    public com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder
-        getIngestionDataSourceSettingsOrBuilder() {
+    public com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder getIngestionDataSourceSettingsOrBuilder() {
       if (ingestionDataSourceSettingsBuilder_ != null) {
         return ingestionDataSourceSettingsBuilder_.getMessageOrBuilder();
       } else {
-        return ingestionDataSourceSettings_ == null
-            ? com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance()
-            : ingestionDataSourceSettings_;
+        return ingestionDataSourceSettings_ == null ?
+            com.google.pubsub.v1.IngestionDataSourceSettings.getDefaultInstance() : ingestionDataSourceSettings_;
       }
     }
     /**
-     *
-     *
      * 
              * Optional. Settings for managed ingestion from a data source into this
      * topic.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-     * 
+     * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.IngestionDataSourceSettings,
-            com.google.pubsub.v1.IngestionDataSourceSettings.Builder,
-            com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder>
+        com.google.pubsub.v1.IngestionDataSourceSettings, com.google.pubsub.v1.IngestionDataSourceSettings.Builder, com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder> 
         getIngestionDataSourceSettingsFieldBuilder() {
       if (ingestionDataSourceSettingsBuilder_ == null) {
-        ingestionDataSourceSettingsBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.IngestionDataSourceSettings,
-                com.google.pubsub.v1.IngestionDataSourceSettings.Builder,
-                com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder>(
-                getIngestionDataSourceSettings(), getParentForChildren(), isClean());
+        ingestionDataSourceSettingsBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.IngestionDataSourceSettings, com.google.pubsub.v1.IngestionDataSourceSettings.Builder, com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder>(
+                getIngestionDataSourceSettings(),
+                getParentForChildren(),
+                isClean());
         ingestionDataSourceSettings_ = null;
       }
       return ingestionDataSourceSettingsBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -2784,12 +2483,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.Topic)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.Topic)
   private static final com.google.pubsub.v1.Topic DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.Topic();
   }
@@ -2798,27 +2497,27 @@ public static com.google.pubsub.v1.Topic getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public Topic parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public Topic parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -2833,4 +2532,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.Topic getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicName.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicName.java
similarity index 100%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicName.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicName.java
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicOrBuilder.java
similarity index 54%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicOrBuilder.java
index 0aca43e96..7f4f5cd2b 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/TopicOrBuilder.java
@@ -1,31 +1,13 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface TopicOrBuilder
-    extends
+public interface TopicOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.Topic)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the topic. It must have the format
    * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -36,13 +18,10 @@ public interface TopicOrBuilder
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Required. The name of the topic. It must have the format
    * `"projects/{project}/topics/{topic}"`. `{topic}` must start with a letter,
@@ -53,320 +32,264 @@ public interface TopicOrBuilder
    * 
        
    *
    * string name = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   int getLabelsCount();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
+   */
+  boolean containsLabels(
+      java.lang.String key);
+  /**
+   * Use {@link #getLabelsMap()} instead.
    */
-  boolean containsLabels(java.lang.String key);
-  /** Use {@link #getLabelsMap()} instead. */
   @java.lang.Deprecated
-  java.util.Map getLabels();
+  java.util.Map
+  getLabels();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.util.Map getLabelsMap();
+  java.util.Map
+  getLabelsMap();
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
   /* nullable */
-  java.lang.String getLabelsOrDefault(
+java.lang.String getLabelsOrDefault(
       java.lang.String key,
       /* nullable */
-      java.lang.String defaultValue);
+java.lang.String defaultValue);
   /**
-   *
-   *
    * 
        -   * See [Creating and managing labels]
+   * Optional. See [Creating and managing labels]
    * (https://cloud.google.com/pubsub/docs/labels).
    * 
        
    *
-   * map<string, string> labels = 2;
+   * map<string, string> labels = 2 [(.google.api.field_behavior) = OPTIONAL];
    */
-  java.lang.String getLabelsOrThrow(java.lang.String key);
+  java.lang.String getLabelsOrThrow(
+      java.lang.String key);
 
   /**
-   *
-   *
    * 
        -   * Policy constraining the set of Google Cloud Platform regions where messages
-   * published to the topic may be stored. If not present, then no constraints
-   * are in effect.
+   * Optional. Policy constraining the set of Google Cloud Platform regions
+   * where messages published to the topic may be stored. If not present, then
+   * no constraints are in effect.
    * 
        
    *
-   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
-   *
+   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the messageStoragePolicy field is set.
    */
   boolean hasMessageStoragePolicy();
   /**
-   *
-   *
    * 
        -   * Policy constraining the set of Google Cloud Platform regions where messages
-   * published to the topic may be stored. If not present, then no constraints
-   * are in effect.
+   * Optional. Policy constraining the set of Google Cloud Platform regions
+   * where messages published to the topic may be stored. If not present, then
+   * no constraints are in effect.
    * 
        
    *
-   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
-   *
+   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
    * @return The messageStoragePolicy.
    */
   com.google.pubsub.v1.MessageStoragePolicy getMessageStoragePolicy();
   /**
-   *
-   *
    * 
        -   * Policy constraining the set of Google Cloud Platform regions where messages
-   * published to the topic may be stored. If not present, then no constraints
-   * are in effect.
+   * Optional. Policy constraining the set of Google Cloud Platform regions
+   * where messages published to the topic may be stored. If not present, then
+   * no constraints are in effect.
    * 
        
    *
-   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3;
+   * .google.pubsub.v1.MessageStoragePolicy message_storage_policy = 3 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.MessageStoragePolicyOrBuilder getMessageStoragePolicyOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * The resource name of the Cloud KMS CryptoKey to be used to protect access
-   * to messages published on this topic.
+   * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+   * protect access to messages published on this topic.
    *
    * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
    * 
        
    *
-   * string kms_key_name = 5;
-   *
+   * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The kmsKeyName.
    */
   java.lang.String getKmsKeyName();
   /**
-   *
-   *
    * 
        -   * The resource name of the Cloud KMS CryptoKey to be used to protect access
-   * to messages published on this topic.
+   * Optional. The resource name of the Cloud KMS CryptoKey to be used to
+   * protect access to messages published on this topic.
    *
    * The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
    * 
        
    *
-   * string kms_key_name = 5;
-   *
+   * string kms_key_name = 5 [(.google.api.field_behavior) = OPTIONAL];
    * @return The bytes for kmsKeyName.
    */
-  com.google.protobuf.ByteString getKmsKeyNameBytes();
+  com.google.protobuf.ByteString
+      getKmsKeyNameBytes();
 
   /**
-   *
-   *
    * 
        -   * Settings for validating messages published against a schema.
+   * Optional. Settings for validating messages published against a schema.
    * 
        
    *
-   * .google.pubsub.v1.SchemaSettings schema_settings = 6;
-   *
+   * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the schemaSettings field is set.
    */
   boolean hasSchemaSettings();
   /**
-   *
-   *
    * 
        -   * Settings for validating messages published against a schema.
+   * Optional. Settings for validating messages published against a schema.
    * 
        
    *
-   * .google.pubsub.v1.SchemaSettings schema_settings = 6;
-   *
+   * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
    * @return The schemaSettings.
    */
   com.google.pubsub.v1.SchemaSettings getSchemaSettings();
   /**
-   *
-   *
    * 
        -   * Settings for validating messages published against a schema.
+   * Optional. Settings for validating messages published against a schema.
    * 
        
    *
-   * .google.pubsub.v1.SchemaSettings schema_settings = 6;
+   * .google.pubsub.v1.SchemaSettings schema_settings = 6 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.pubsub.v1.SchemaSettingsOrBuilder getSchemaSettingsOrBuilder();
 
   /**
-   *
-   *
    * 
        -   * Reserved for future use. This field is set only in responses from the
-   * server; it is ignored if it is set in any requests.
+   * Optional. Reserved for future use. This field is set only in responses from
+   * the server; it is ignored if it is set in any requests.
    * 
        
    *
-   * bool satisfies_pzs = 7;
-   *
+   * bool satisfies_pzs = 7 [(.google.api.field_behavior) = OPTIONAL];
    * @return The satisfiesPzs.
    */
   boolean getSatisfiesPzs();
 
   /**
-   *
-   *
    * 
        -   * Indicates the minimum duration to retain a message after it is published to
-   * the topic. If this field is set, messages published to the topic in the
-   * last `message_retention_duration` are always available to subscribers. For
-   * instance, it allows any attached subscription to [seek to a
+   * Optional. Indicates the minimum duration to retain a message after it is
+   * published to the topic. If this field is set, messages published to the
+   * topic in the last `message_retention_duration` are always available to
+   * subscribers. For instance, it allows any attached subscription to [seek to
+   * a
    * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
    * that is up to `message_retention_duration` in the past. If this field is
    * not set, message retention is controlled by settings on individual
    * subscriptions. Cannot be more than 31 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
-   *
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the messageRetentionDuration field is set.
    */
   boolean hasMessageRetentionDuration();
   /**
-   *
-   *
    * 
        -   * Indicates the minimum duration to retain a message after it is published to
-   * the topic. If this field is set, messages published to the topic in the
-   * last `message_retention_duration` are always available to subscribers. For
-   * instance, it allows any attached subscription to [seek to a
+   * Optional. Indicates the minimum duration to retain a message after it is
+   * published to the topic. If this field is set, messages published to the
+   * topic in the last `message_retention_duration` are always available to
+   * subscribers. For instance, it allows any attached subscription to [seek to
+   * a
    * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
    * that is up to `message_retention_duration` in the past. If this field is
    * not set, message retention is controlled by settings on individual
    * subscriptions. Cannot be more than 31 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
-   *
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    * @return The messageRetentionDuration.
    */
   com.google.protobuf.Duration getMessageRetentionDuration();
   /**
-   *
-   *
    * 
        -   * Indicates the minimum duration to retain a message after it is published to
-   * the topic. If this field is set, messages published to the topic in the
-   * last `message_retention_duration` are always available to subscribers. For
-   * instance, it allows any attached subscription to [seek to a
+   * Optional. Indicates the minimum duration to retain a message after it is
+   * published to the topic. If this field is set, messages published to the
+   * topic in the last `message_retention_duration` are always available to
+   * subscribers. For instance, it allows any attached subscription to [seek to
+   * a
    * timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
    * that is up to `message_retention_duration` in the past. If this field is
    * not set, message retention is controlled by settings on individual
    * subscriptions. Cannot be more than 31 days or less than 10 minutes.
    * 
        
    *
-   * .google.protobuf.Duration message_retention_duration = 8;
+   * .google.protobuf.Duration message_retention_duration = 8 [(.google.api.field_behavior) = OPTIONAL];
    */
   com.google.protobuf.DurationOrBuilder getMessageRetentionDurationOrBuilder();
 
   /**
-   *
-   *
    * 
            * Output only. An output-only field indicating the state of the topic.
    * 
        
    *
-   * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The enum numeric value on the wire for state.
    */
   int getStateValue();
   /**
-   *
-   *
    * 
            * Output only. An output-only field indicating the state of the topic.
    * 
        
    *
-   * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
+   * .google.pubsub.v1.Topic.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
    * @return The state.
    */
   com.google.pubsub.v1.Topic.State getState();
 
   /**
-   *
-   *
    * 
            * Optional. Settings for managed ingestion from a data source into this
    * topic.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
+   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
    * @return Whether the ingestionDataSourceSettings field is set.
    */
   boolean hasIngestionDataSourceSettings();
   /**
-   *
-   *
    * 
            * Optional. Settings for managed ingestion from a data source into this
    * topic.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
+   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
    * @return The ingestionDataSourceSettings.
    */
   com.google.pubsub.v1.IngestionDataSourceSettings getIngestionDataSourceSettings();
   /**
-   *
-   *
    * 
            * Optional. Settings for managed ingestion from a data source into this
    * topic.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
-   * 
+   * .google.pubsub.v1.IngestionDataSourceSettings ingestion_data_source_settings = 10 [(.google.api.field_behavior) = OPTIONAL];
    */
-  com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder
-      getIngestionDataSourceSettingsOrBuilder();
+  com.google.pubsub.v1.IngestionDataSourceSettingsOrBuilder getIngestionDataSourceSettingsOrBuilder();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequest.java
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequest.java
index 19b2ed7aa..b19ee7890 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequest.java
@@ -1,76 +1,55 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the UpdateSnapshot method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.UpdateSnapshotRequest}
  */
-public final class UpdateSnapshotRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class UpdateSnapshotRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.UpdateSnapshotRequest)
     UpdateSnapshotRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use UpdateSnapshotRequest.newBuilder() to construct.
   private UpdateSnapshotRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private UpdateSnapshotRequest() {}
+  private UpdateSnapshotRequest() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new UpdateSnapshotRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_UpdateSnapshotRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSnapshotRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_UpdateSnapshotRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSnapshotRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.UpdateSnapshotRequest.class,
-            com.google.pubsub.v1.UpdateSnapshotRequest.Builder.class);
+            com.google.pubsub.v1.UpdateSnapshotRequest.class, com.google.pubsub.v1.UpdateSnapshotRequest.Builder.class);
   }
 
   public static final int SNAPSHOT_FIELD_NUMBER = 1;
   private com.google.pubsub.v1.Snapshot snapshot_;
   /**
-   *
-   *
    * 
            * Required. The updated snapshot object.
    * 
        
    *
    * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the snapshot field is set.
    */
   @java.lang.Override
@@ -78,14 +57,11 @@ public boolean hasSnapshot() {
     return snapshot_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. The updated snapshot object.
    * 
        
    *
    * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The snapshot.
    */
   @java.lang.Override
@@ -93,8 +69,6 @@ public com.google.pubsub.v1.Snapshot getSnapshot() {
     return snapshot_ == null ? com.google.pubsub.v1.Snapshot.getDefaultInstance() : snapshot_;
   }
   /**
-   *
-   *
    * 
            * Required. The updated snapshot object.
    * 
        
@@ -109,16 +83,12 @@ public com.google.pubsub.v1.SnapshotOrBuilder getSnapshotOrBuilder() {
   public static final int UPDATE_MASK_FIELD_NUMBER = 2;
   private com.google.protobuf.FieldMask updateMask_;
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided snapshot to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the updateMask field is set.
    */
   @java.lang.Override
@@ -126,16 +96,12 @@ public boolean hasUpdateMask() {
     return updateMask_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided snapshot to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return The updateMask.
    */
   @java.lang.Override
@@ -143,15 +109,12 @@ public com.google.protobuf.FieldMask getUpdateMask() {
     return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
   }
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided snapshot to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
   public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
@@ -159,7 +122,6 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -171,7 +133,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (snapshot_ != null) {
       output.writeMessage(1, getSnapshot());
     }
@@ -188,10 +151,12 @@ public int getSerializedSize() {
 
     size = 0;
     if (snapshot_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getSnapshot());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, getSnapshot());
     }
     if (updateMask_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getUpdateMask());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getUpdateMask());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -201,21 +166,22 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.UpdateSnapshotRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.UpdateSnapshotRequest other =
-        (com.google.pubsub.v1.UpdateSnapshotRequest) obj;
+    com.google.pubsub.v1.UpdateSnapshotRequest other = (com.google.pubsub.v1.UpdateSnapshotRequest) obj;
 
     if (hasSnapshot() != other.hasSnapshot()) return false;
     if (hasSnapshot()) {
-      if (!getSnapshot().equals(other.getSnapshot())) return false;
+      if (!getSnapshot()
+          .equals(other.getSnapshot())) return false;
     }
     if (hasUpdateMask() != other.hasUpdateMask()) return false;
     if (hasUpdateMask()) {
-      if (!getUpdateMask().equals(other.getUpdateMask())) return false;
+      if (!getUpdateMask()
+          .equals(other.getUpdateMask())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -241,136 +207,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.UpdateSnapshotRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.UpdateSnapshotRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.UpdateSnapshotRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.UpdateSnapshotRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the UpdateSnapshot method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.UpdateSnapshotRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.UpdateSnapshotRequest)
       com.google.pubsub.v1.UpdateSnapshotRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateSnapshotRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSnapshotRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateSnapshotRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSnapshotRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.UpdateSnapshotRequest.class,
-              com.google.pubsub.v1.UpdateSnapshotRequest.Builder.class);
+              com.google.pubsub.v1.UpdateSnapshotRequest.class, com.google.pubsub.v1.UpdateSnapshotRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.UpdateSnapshotRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -389,9 +351,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateSnapshotRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSnapshotRequest_descriptor;
     }
 
     @java.lang.Override
@@ -410,11 +372,8 @@ public com.google.pubsub.v1.UpdateSnapshotRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.UpdateSnapshotRequest buildPartial() {
-      com.google.pubsub.v1.UpdateSnapshotRequest result =
-          new com.google.pubsub.v1.UpdateSnapshotRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.UpdateSnapshotRequest result = new com.google.pubsub.v1.UpdateSnapshotRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -422,10 +381,14 @@ public com.google.pubsub.v1.UpdateSnapshotRequest buildPartial() {
     private void buildPartial0(com.google.pubsub.v1.UpdateSnapshotRequest result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
-        result.snapshot_ = snapshotBuilder_ == null ? snapshot_ : snapshotBuilder_.build();
+        result.snapshot_ = snapshotBuilder_ == null
+            ? snapshot_
+            : snapshotBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.updateMask_ = updateMaskBuilder_ == null ? updateMask_ : updateMaskBuilder_.build();
+        result.updateMask_ = updateMaskBuilder_ == null
+            ? updateMask_
+            : updateMaskBuilder_.build();
       }
     }
 
@@ -433,39 +396,38 @@ private void buildPartial0(com.google.pubsub.v1.UpdateSnapshotRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.UpdateSnapshotRequest) {
-        return mergeFrom((com.google.pubsub.v1.UpdateSnapshotRequest) other);
+        return mergeFrom((com.google.pubsub.v1.UpdateSnapshotRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -506,25 +468,26 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                input.readMessage(getSnapshotFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getUpdateMaskFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              input.readMessage(
+                  getSnapshotFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getUpdateMaskFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -534,40 +497,28 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.pubsub.v1.Snapshot snapshot_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Snapshot,
-            com.google.pubsub.v1.Snapshot.Builder,
-            com.google.pubsub.v1.SnapshotOrBuilder>
-        snapshotBuilder_;
+        com.google.pubsub.v1.Snapshot, com.google.pubsub.v1.Snapshot.Builder, com.google.pubsub.v1.SnapshotOrBuilder> snapshotBuilder_;
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      * @return Whether the snapshot field is set.
      */
     public boolean hasSnapshot() {
       return ((bitField0_ & 0x00000001) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      * @return The snapshot.
      */
     public com.google.pubsub.v1.Snapshot getSnapshot() {
@@ -578,14 +529,11 @@ public com.google.pubsub.v1.Snapshot getSnapshot() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder setSnapshot(com.google.pubsub.v1.Snapshot value) {
       if (snapshotBuilder_ == null) {
@@ -601,16 +549,14 @@ public Builder setSnapshot(com.google.pubsub.v1.Snapshot value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setSnapshot(com.google.pubsub.v1.Snapshot.Builder builderForValue) {
+    public Builder setSnapshot(
+        com.google.pubsub.v1.Snapshot.Builder builderForValue) {
       if (snapshotBuilder_ == null) {
         snapshot_ = builderForValue.build();
       } else {
@@ -621,20 +567,17 @@ public Builder setSnapshot(com.google.pubsub.v1.Snapshot.Builder builderForValue
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder mergeSnapshot(com.google.pubsub.v1.Snapshot value) {
       if (snapshotBuilder_ == null) {
-        if (((bitField0_ & 0x00000001) != 0)
-            && snapshot_ != null
-            && snapshot_ != com.google.pubsub.v1.Snapshot.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000001) != 0) &&
+          snapshot_ != null &&
+          snapshot_ != com.google.pubsub.v1.Snapshot.getDefaultInstance()) {
           getSnapshotBuilder().mergeFrom(value);
         } else {
           snapshot_ = value;
@@ -647,14 +590,11 @@ public Builder mergeSnapshot(com.google.pubsub.v1.Snapshot value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder clearSnapshot() {
       bitField0_ = (bitField0_ & ~0x00000001);
@@ -667,14 +607,11 @@ public Builder clearSnapshot() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.pubsub.v1.Snapshot.Builder getSnapshotBuilder() {
       bitField0_ |= 0x00000001;
@@ -682,44 +619,36 @@ public com.google.pubsub.v1.Snapshot.Builder getSnapshotBuilder() {
       return getSnapshotFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.pubsub.v1.SnapshotOrBuilder getSnapshotOrBuilder() {
       if (snapshotBuilder_ != null) {
         return snapshotBuilder_.getMessageOrBuilder();
       } else {
-        return snapshot_ == null ? com.google.pubsub.v1.Snapshot.getDefaultInstance() : snapshot_;
+        return snapshot_ == null ?
+            com.google.pubsub.v1.Snapshot.getDefaultInstance() : snapshot_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The updated snapshot object.
      * 
        
      *
-     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Snapshot,
-            com.google.pubsub.v1.Snapshot.Builder,
-            com.google.pubsub.v1.SnapshotOrBuilder>
+        com.google.pubsub.v1.Snapshot, com.google.pubsub.v1.Snapshot.Builder, com.google.pubsub.v1.SnapshotOrBuilder> 
         getSnapshotFieldBuilder() {
       if (snapshotBuilder_ == null) {
-        snapshotBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.Snapshot,
-                com.google.pubsub.v1.Snapshot.Builder,
-                com.google.pubsub.v1.SnapshotOrBuilder>(
-                getSnapshot(), getParentForChildren(), isClean());
+        snapshotBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.Snapshot, com.google.pubsub.v1.Snapshot.Builder, com.google.pubsub.v1.SnapshotOrBuilder>(
+                getSnapshot(),
+                getParentForChildren(),
+                isClean());
         snapshot_ = null;
       }
       return snapshotBuilder_;
@@ -727,58 +656,42 @@ public com.google.pubsub.v1.SnapshotOrBuilder getSnapshotOrBuilder() {
 
     private com.google.protobuf.FieldMask updateMask_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.FieldMask,
-            com.google.protobuf.FieldMask.Builder,
-            com.google.protobuf.FieldMaskOrBuilder>
-        updateMaskBuilder_;
+        com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder> updateMaskBuilder_;
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      * @return Whether the updateMask field is set.
      */
     public boolean hasUpdateMask() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      * @return The updateMask.
      */
     public com.google.protobuf.FieldMask getUpdateMask() {
       if (updateMaskBuilder_ == null) {
-        return updateMask_ == null
-            ? com.google.protobuf.FieldMask.getDefaultInstance()
-            : updateMask_;
+        return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
       } else {
         return updateMaskBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder setUpdateMask(com.google.protobuf.FieldMask value) {
       if (updateMaskBuilder_ == null) {
@@ -794,17 +707,15 @@ public Builder setUpdateMask(com.google.protobuf.FieldMask value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setUpdateMask(com.google.protobuf.FieldMask.Builder builderForValue) {
+    public Builder setUpdateMask(
+        com.google.protobuf.FieldMask.Builder builderForValue) {
       if (updateMaskBuilder_ == null) {
         updateMask_ = builderForValue.build();
       } else {
@@ -815,21 +726,18 @@ public Builder setUpdateMask(com.google.protobuf.FieldMask.Builder builderForVal
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder mergeUpdateMask(com.google.protobuf.FieldMask value) {
       if (updateMaskBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && updateMask_ != null
-            && updateMask_ != com.google.protobuf.FieldMask.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          updateMask_ != null &&
+          updateMask_ != com.google.protobuf.FieldMask.getDefaultInstance()) {
           getUpdateMaskBuilder().mergeFrom(value);
         } else {
           updateMask_ = value;
@@ -842,15 +750,12 @@ public Builder mergeUpdateMask(com.google.protobuf.FieldMask value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder clearUpdateMask() {
       bitField0_ = (bitField0_ & ~0x00000002);
@@ -863,15 +768,12 @@ public Builder clearUpdateMask() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
       bitField0_ |= 0x00000002;
@@ -879,55 +781,45 @@ public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
       return getUpdateMaskFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
       if (updateMaskBuilder_ != null) {
         return updateMaskBuilder_.getMessageOrBuilder();
       } else {
-        return updateMask_ == null
-            ? com.google.protobuf.FieldMask.getDefaultInstance()
-            : updateMask_;
+        return updateMask_ == null ?
+            com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided snapshot to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.FieldMask,
-            com.google.protobuf.FieldMask.Builder,
-            com.google.protobuf.FieldMaskOrBuilder>
+        com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder> 
         getUpdateMaskFieldBuilder() {
       if (updateMaskBuilder_ == null) {
-        updateMaskBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.FieldMask,
-                com.google.protobuf.FieldMask.Builder,
-                com.google.protobuf.FieldMaskOrBuilder>(
-                getUpdateMask(), getParentForChildren(), isClean());
+        updateMaskBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder>(
+                getUpdateMask(),
+                getParentForChildren(),
+                isClean());
         updateMask_ = null;
       }
       return updateMaskBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -937,12 +829,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.UpdateSnapshotRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.UpdateSnapshotRequest)
   private static final com.google.pubsub.v1.UpdateSnapshotRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.UpdateSnapshotRequest();
   }
@@ -951,27 +843,27 @@ public static com.google.pubsub.v1.UpdateSnapshotRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public UpdateSnapshotRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public UpdateSnapshotRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -986,4 +878,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.UpdateSnapshotRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequestOrBuilder.java
similarity index 68%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequestOrBuilder.java
index 442f147ed..53e7d7fe9 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSnapshotRequestOrBuilder.java
@@ -1,55 +1,31 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface UpdateSnapshotRequestOrBuilder
-    extends
+public interface UpdateSnapshotRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.UpdateSnapshotRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The updated snapshot object.
    * 
        
    *
    * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the snapshot field is set.
    */
   boolean hasSnapshot();
   /**
-   *
-   *
    * 
            * Required. The updated snapshot object.
    * 
        
    *
    * .google.pubsub.v1.Snapshot snapshot = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The snapshot.
    */
   com.google.pubsub.v1.Snapshot getSnapshot();
   /**
-   *
-   *
    * 
            * Required. The updated snapshot object.
    * 
        
@@ -59,43 +35,32 @@ public interface UpdateSnapshotRequestOrBuilder
   com.google.pubsub.v1.SnapshotOrBuilder getSnapshotOrBuilder();
 
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided snapshot to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the updateMask field is set.
    */
   boolean hasUpdateMask();
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided snapshot to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return The updateMask.
    */
   com.google.protobuf.FieldMask getUpdateMask();
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided snapshot to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequest.java
similarity index 63%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequest.java
index 744e91a07..aba7ff639 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequest.java
@@ -1,78 +1,55 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the UpdateSubscription method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.UpdateSubscriptionRequest}
  */
-public final class UpdateSubscriptionRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class UpdateSubscriptionRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.UpdateSubscriptionRequest)
     UpdateSubscriptionRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use UpdateSubscriptionRequest.newBuilder() to construct.
   private UpdateSubscriptionRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private UpdateSubscriptionRequest() {}
+  private UpdateSubscriptionRequest() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new UpdateSubscriptionRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_UpdateSubscriptionRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSubscriptionRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_UpdateSubscriptionRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSubscriptionRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.UpdateSubscriptionRequest.class,
-            com.google.pubsub.v1.UpdateSubscriptionRequest.Builder.class);
+            com.google.pubsub.v1.UpdateSubscriptionRequest.class, com.google.pubsub.v1.UpdateSubscriptionRequest.Builder.class);
   }
 
   public static final int SUBSCRIPTION_FIELD_NUMBER = 1;
   private com.google.pubsub.v1.Subscription subscription_;
   /**
-   *
-   *
    * 
            * Required. The updated subscription object.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the subscription field is set.
    */
   @java.lang.Override
@@ -80,55 +57,38 @@ public boolean hasSubscription() {
     return subscription_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. The updated subscription object.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
    * @return The subscription.
    */
   @java.lang.Override
   public com.google.pubsub.v1.Subscription getSubscription() {
-    return subscription_ == null
-        ? com.google.pubsub.v1.Subscription.getDefaultInstance()
-        : subscription_;
+    return subscription_ == null ? com.google.pubsub.v1.Subscription.getDefaultInstance() : subscription_;
   }
   /**
-   *
-   *
    * 
            * Required. The updated subscription object.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
   public com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionOrBuilder() {
-    return subscription_ == null
-        ? com.google.pubsub.v1.Subscription.getDefaultInstance()
-        : subscription_;
+    return subscription_ == null ? com.google.pubsub.v1.Subscription.getDefaultInstance() : subscription_;
   }
 
   public static final int UPDATE_MASK_FIELD_NUMBER = 2;
   private com.google.protobuf.FieldMask updateMask_;
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided subscription to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the updateMask field is set.
    */
   @java.lang.Override
@@ -136,16 +96,12 @@ public boolean hasUpdateMask() {
     return updateMask_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided subscription to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return The updateMask.
    */
   @java.lang.Override
@@ -153,15 +109,12 @@ public com.google.protobuf.FieldMask getUpdateMask() {
     return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
   }
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided subscription to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
   public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
@@ -169,7 +122,6 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -181,7 +133,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (subscription_ != null) {
       output.writeMessage(1, getSubscription());
     }
@@ -198,10 +151,12 @@ public int getSerializedSize() {
 
     size = 0;
     if (subscription_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getSubscription());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, getSubscription());
     }
     if (updateMask_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getUpdateMask());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getUpdateMask());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -211,21 +166,22 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.UpdateSubscriptionRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.UpdateSubscriptionRequest other =
-        (com.google.pubsub.v1.UpdateSubscriptionRequest) obj;
+    com.google.pubsub.v1.UpdateSubscriptionRequest other = (com.google.pubsub.v1.UpdateSubscriptionRequest) obj;
 
     if (hasSubscription() != other.hasSubscription()) return false;
     if (hasSubscription()) {
-      if (!getSubscription().equals(other.getSubscription())) return false;
+      if (!getSubscription()
+          .equals(other.getSubscription())) return false;
     }
     if (hasUpdateMask() != other.hasUpdateMask()) return false;
     if (hasUpdateMask()) {
-      if (!getUpdateMask().equals(other.getUpdateMask())) return false;
+      if (!getUpdateMask()
+          .equals(other.getUpdateMask())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -251,136 +207,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.UpdateSubscriptionRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.UpdateSubscriptionRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.UpdateSubscriptionRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.UpdateSubscriptionRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the UpdateSubscription method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.UpdateSubscriptionRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.UpdateSubscriptionRequest)
       com.google.pubsub.v1.UpdateSubscriptionRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateSubscriptionRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSubscriptionRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateSubscriptionRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSubscriptionRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.UpdateSubscriptionRequest.class,
-              com.google.pubsub.v1.UpdateSubscriptionRequest.Builder.class);
+              com.google.pubsub.v1.UpdateSubscriptionRequest.class, com.google.pubsub.v1.UpdateSubscriptionRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.UpdateSubscriptionRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -399,9 +351,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateSubscriptionRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateSubscriptionRequest_descriptor;
     }
 
     @java.lang.Override
@@ -420,11 +372,8 @@ public com.google.pubsub.v1.UpdateSubscriptionRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.UpdateSubscriptionRequest buildPartial() {
-      com.google.pubsub.v1.UpdateSubscriptionRequest result =
-          new com.google.pubsub.v1.UpdateSubscriptionRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.UpdateSubscriptionRequest result = new com.google.pubsub.v1.UpdateSubscriptionRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -432,11 +381,14 @@ public com.google.pubsub.v1.UpdateSubscriptionRequest buildPartial() {
     private void buildPartial0(com.google.pubsub.v1.UpdateSubscriptionRequest result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
-        result.subscription_ =
-            subscriptionBuilder_ == null ? subscription_ : subscriptionBuilder_.build();
+        result.subscription_ = subscriptionBuilder_ == null
+            ? subscription_
+            : subscriptionBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.updateMask_ = updateMaskBuilder_ == null ? updateMask_ : updateMaskBuilder_.build();
+        result.updateMask_ = updateMaskBuilder_ == null
+            ? updateMask_
+            : updateMaskBuilder_.build();
       }
     }
 
@@ -444,39 +396,38 @@ private void buildPartial0(com.google.pubsub.v1.UpdateSubscriptionRequest result
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.UpdateSubscriptionRequest) {
-        return mergeFrom((com.google.pubsub.v1.UpdateSubscriptionRequest) other);
+        return mergeFrom((com.google.pubsub.v1.UpdateSubscriptionRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -517,25 +468,26 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                input.readMessage(getSubscriptionFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getUpdateMaskFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              input.readMessage(
+                  getSubscriptionFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getUpdateMaskFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -545,63 +497,43 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.pubsub.v1.Subscription subscription_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Subscription,
-            com.google.pubsub.v1.Subscription.Builder,
-            com.google.pubsub.v1.SubscriptionOrBuilder>
-        subscriptionBuilder_;
+        com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription.Builder, com.google.pubsub.v1.SubscriptionOrBuilder> subscriptionBuilder_;
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      * @return Whether the subscription field is set.
      */
     public boolean hasSubscription() {
       return ((bitField0_ & 0x00000001) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      * @return The subscription.
      */
     public com.google.pubsub.v1.Subscription getSubscription() {
       if (subscriptionBuilder_ == null) {
-        return subscription_ == null
-            ? com.google.pubsub.v1.Subscription.getDefaultInstance()
-            : subscription_;
+        return subscription_ == null ? com.google.pubsub.v1.Subscription.getDefaultInstance() : subscription_;
       } else {
         return subscriptionBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder setSubscription(com.google.pubsub.v1.Subscription value) {
       if (subscriptionBuilder_ == null) {
@@ -617,17 +549,14 @@ public Builder setSubscription(com.google.pubsub.v1.Subscription value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setSubscription(com.google.pubsub.v1.Subscription.Builder builderForValue) {
+    public Builder setSubscription(
+        com.google.pubsub.v1.Subscription.Builder builderForValue) {
       if (subscriptionBuilder_ == null) {
         subscription_ = builderForValue.build();
       } else {
@@ -638,21 +567,17 @@ public Builder setSubscription(com.google.pubsub.v1.Subscription.Builder builder
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder mergeSubscription(com.google.pubsub.v1.Subscription value) {
       if (subscriptionBuilder_ == null) {
-        if (((bitField0_ & 0x00000001) != 0)
-            && subscription_ != null
-            && subscription_ != com.google.pubsub.v1.Subscription.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000001) != 0) &&
+          subscription_ != null &&
+          subscription_ != com.google.pubsub.v1.Subscription.getDefaultInstance()) {
           getSubscriptionBuilder().mergeFrom(value);
         } else {
           subscription_ = value;
@@ -665,15 +590,11 @@ public Builder mergeSubscription(com.google.pubsub.v1.Subscription value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder clearSubscription() {
       bitField0_ = (bitField0_ & ~0x00000001);
@@ -686,15 +607,11 @@ public Builder clearSubscription() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.pubsub.v1.Subscription.Builder getSubscriptionBuilder() {
       bitField0_ |= 0x00000001;
@@ -702,48 +619,36 @@ public com.google.pubsub.v1.Subscription.Builder getSubscriptionBuilder() {
       return getSubscriptionFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionOrBuilder() {
       if (subscriptionBuilder_ != null) {
         return subscriptionBuilder_.getMessageOrBuilder();
       } else {
-        return subscription_ == null
-            ? com.google.pubsub.v1.Subscription.getDefaultInstance()
-            : subscription_;
+        return subscription_ == null ?
+            com.google.pubsub.v1.Subscription.getDefaultInstance() : subscription_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The updated subscription object.
      * 
        
      *
-     * 
-     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Subscription,
-            com.google.pubsub.v1.Subscription.Builder,
-            com.google.pubsub.v1.SubscriptionOrBuilder>
+        com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription.Builder, com.google.pubsub.v1.SubscriptionOrBuilder> 
         getSubscriptionFieldBuilder() {
       if (subscriptionBuilder_ == null) {
-        subscriptionBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.Subscription,
-                com.google.pubsub.v1.Subscription.Builder,
-                com.google.pubsub.v1.SubscriptionOrBuilder>(
-                getSubscription(), getParentForChildren(), isClean());
+        subscriptionBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.Subscription, com.google.pubsub.v1.Subscription.Builder, com.google.pubsub.v1.SubscriptionOrBuilder>(
+                getSubscription(),
+                getParentForChildren(),
+                isClean());
         subscription_ = null;
       }
       return subscriptionBuilder_;
@@ -751,58 +656,42 @@ public com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionOrBuilder() {
 
     private com.google.protobuf.FieldMask updateMask_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.FieldMask,
-            com.google.protobuf.FieldMask.Builder,
-            com.google.protobuf.FieldMaskOrBuilder>
-        updateMaskBuilder_;
+        com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder> updateMaskBuilder_;
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      * @return Whether the updateMask field is set.
      */
     public boolean hasUpdateMask() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      * @return The updateMask.
      */
     public com.google.protobuf.FieldMask getUpdateMask() {
       if (updateMaskBuilder_ == null) {
-        return updateMask_ == null
-            ? com.google.protobuf.FieldMask.getDefaultInstance()
-            : updateMask_;
+        return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
       } else {
         return updateMaskBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder setUpdateMask(com.google.protobuf.FieldMask value) {
       if (updateMaskBuilder_ == null) {
@@ -818,17 +707,15 @@ public Builder setUpdateMask(com.google.protobuf.FieldMask value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setUpdateMask(com.google.protobuf.FieldMask.Builder builderForValue) {
+    public Builder setUpdateMask(
+        com.google.protobuf.FieldMask.Builder builderForValue) {
       if (updateMaskBuilder_ == null) {
         updateMask_ = builderForValue.build();
       } else {
@@ -839,21 +726,18 @@ public Builder setUpdateMask(com.google.protobuf.FieldMask.Builder builderForVal
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder mergeUpdateMask(com.google.protobuf.FieldMask value) {
       if (updateMaskBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && updateMask_ != null
-            && updateMask_ != com.google.protobuf.FieldMask.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          updateMask_ != null &&
+          updateMask_ != com.google.protobuf.FieldMask.getDefaultInstance()) {
           getUpdateMaskBuilder().mergeFrom(value);
         } else {
           updateMask_ = value;
@@ -866,15 +750,12 @@ public Builder mergeUpdateMask(com.google.protobuf.FieldMask value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder clearUpdateMask() {
       bitField0_ = (bitField0_ & ~0x00000002);
@@ -887,15 +768,12 @@ public Builder clearUpdateMask() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
       bitField0_ |= 0x00000002;
@@ -903,55 +781,45 @@ public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
       return getUpdateMaskFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
       if (updateMaskBuilder_ != null) {
         return updateMaskBuilder_.getMessageOrBuilder();
       } else {
-        return updateMask_ == null
-            ? com.google.protobuf.FieldMask.getDefaultInstance()
-            : updateMask_;
+        return updateMask_ == null ?
+            com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided subscription to update.
      * Must be specified and non-empty.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.FieldMask,
-            com.google.protobuf.FieldMask.Builder,
-            com.google.protobuf.FieldMaskOrBuilder>
+        com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder> 
         getUpdateMaskFieldBuilder() {
       if (updateMaskBuilder_ == null) {
-        updateMaskBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.FieldMask,
-                com.google.protobuf.FieldMask.Builder,
-                com.google.protobuf.FieldMaskOrBuilder>(
-                getUpdateMask(), getParentForChildren(), isClean());
+        updateMaskBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder>(
+                getUpdateMask(),
+                getParentForChildren(),
+                isClean());
         updateMask_ = null;
       }
       return updateMaskBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -961,12 +829,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.UpdateSubscriptionRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.UpdateSubscriptionRequest)
   private static final com.google.pubsub.v1.UpdateSubscriptionRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.UpdateSubscriptionRequest();
   }
@@ -975,27 +843,27 @@ public static com.google.pubsub.v1.UpdateSubscriptionRequest getDefaultInstance(
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public UpdateSubscriptionRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public UpdateSubscriptionRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1010,4 +878,6 @@ public com.google.protobuf.Parser getParserForType()
   public com.google.pubsub.v1.UpdateSubscriptionRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequestOrBuilder.java
similarity index 57%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequestOrBuilder.java
index d812038a4..812f8da0d 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateSubscriptionRequestOrBuilder.java
@@ -1,107 +1,66 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface UpdateSubscriptionRequestOrBuilder
-    extends
+public interface UpdateSubscriptionRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.UpdateSubscriptionRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The updated subscription object.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the subscription field is set.
    */
   boolean hasSubscription();
   /**
-   *
-   *
    * 
            * Required. The updated subscription object.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
    * @return The subscription.
    */
   com.google.pubsub.v1.Subscription getSubscription();
   /**
-   *
-   *
    * 
            * Required. The updated subscription object.
    * 
        
    *
-   * 
-   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.pubsub.v1.Subscription subscription = 1 [(.google.api.field_behavior) = REQUIRED];
    */
   com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionOrBuilder();
 
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided subscription to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the updateMask field is set.
    */
   boolean hasUpdateMask();
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided subscription to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return The updateMask.
    */
   com.google.protobuf.FieldMask getUpdateMask();
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided subscription to update.
    * Must be specified and non-empty.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequest.java
similarity index 72%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequest.java
index 415a8fa8f..de9162c06 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequest.java
@@ -1,76 +1,55 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the UpdateTopic method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.UpdateTopicRequest}
  */
-public final class UpdateTopicRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class UpdateTopicRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.UpdateTopicRequest)
     UpdateTopicRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use UpdateTopicRequest.newBuilder() to construct.
   private UpdateTopicRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private UpdateTopicRequest() {}
+  private UpdateTopicRequest() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new UpdateTopicRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_UpdateTopicRequest_fieldAccessorTable
+    return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateTopicRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.UpdateTopicRequest.class,
-            com.google.pubsub.v1.UpdateTopicRequest.Builder.class);
+            com.google.pubsub.v1.UpdateTopicRequest.class, com.google.pubsub.v1.UpdateTopicRequest.Builder.class);
   }
 
   public static final int TOPIC_FIELD_NUMBER = 1;
   private com.google.pubsub.v1.Topic topic_;
   /**
-   *
-   *
    * 
            * Required. The updated topic object.
    * 
        
    *
    * .google.pubsub.v1.Topic topic = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the topic field is set.
    */
   @java.lang.Override
@@ -78,14 +57,11 @@ public boolean hasTopic() {
     return topic_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. The updated topic object.
    * 
        
    *
    * .google.pubsub.v1.Topic topic = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The topic.
    */
   @java.lang.Override
@@ -93,8 +69,6 @@ public com.google.pubsub.v1.Topic getTopic() {
     return topic_ == null ? com.google.pubsub.v1.Topic.getDefaultInstance() : topic_;
   }
   /**
-   *
-   *
    * 
            * Required. The updated topic object.
    * 
        
@@ -109,8 +83,6 @@ public com.google.pubsub.v1.TopicOrBuilder getTopicOrBuilder() {
   public static final int UPDATE_MASK_FIELD_NUMBER = 2;
   private com.google.protobuf.FieldMask updateMask_;
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided topic to update. Must be
    * specified and non-empty. Note that if `update_mask` contains
@@ -119,9 +91,7 @@ public com.google.pubsub.v1.TopicOrBuilder getTopicOrBuilder() {
    * policy configured at the project or organization level.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the updateMask field is set.
    */
   @java.lang.Override
@@ -129,8 +99,6 @@ public boolean hasUpdateMask() {
     return updateMask_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided topic to update. Must be
    * specified and non-empty. Note that if `update_mask` contains
@@ -139,9 +107,7 @@ public boolean hasUpdateMask() {
    * policy configured at the project or organization level.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return The updateMask.
    */
   @java.lang.Override
@@ -149,8 +115,6 @@ public com.google.protobuf.FieldMask getUpdateMask() {
     return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
   }
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided topic to update. Must be
    * specified and non-empty. Note that if `update_mask` contains
@@ -159,8 +123,7 @@ public com.google.protobuf.FieldMask getUpdateMask() {
    * policy configured at the project or organization level.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   @java.lang.Override
   public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
@@ -168,7 +131,6 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -180,7 +142,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (topic_ != null) {
       output.writeMessage(1, getTopic());
     }
@@ -197,10 +160,12 @@ public int getSerializedSize() {
 
     size = 0;
     if (topic_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(1, getTopic());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(1, getTopic());
     }
     if (updateMask_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getUpdateMask());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getUpdateMask());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -210,7 +175,7 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.UpdateTopicRequest)) {
       return super.equals(obj);
@@ -219,11 +184,13 @@ public boolean equals(final java.lang.Object obj) {
 
     if (hasTopic() != other.hasTopic()) return false;
     if (hasTopic()) {
-      if (!getTopic().equals(other.getTopic())) return false;
+      if (!getTopic()
+          .equals(other.getTopic())) return false;
     }
     if (hasUpdateMask() != other.hasUpdateMask()) return false;
     if (hasUpdateMask()) {
-      if (!getUpdateMask().equals(other.getUpdateMask())) return false;
+      if (!getUpdateMask()
+          .equals(other.getUpdateMask())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -249,136 +216,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.UpdateTopicRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.UpdateTopicRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.UpdateTopicRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.UpdateTopicRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.UpdateTopicRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the UpdateTopic method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.UpdateTopicRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.UpdateTopicRequest)
       com.google.pubsub.v1.UpdateTopicRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateTopicRequest_fieldAccessorTable
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateTopicRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.UpdateTopicRequest.class,
-              com.google.pubsub.v1.UpdateTopicRequest.Builder.class);
+              com.google.pubsub.v1.UpdateTopicRequest.class, com.google.pubsub.v1.UpdateTopicRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.UpdateTopicRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -397,9 +360,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.PubsubProto.internal_static_google_pubsub_v1_UpdateTopicRequest_descriptor;
     }
 
     @java.lang.Override
@@ -418,11 +381,8 @@ public com.google.pubsub.v1.UpdateTopicRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.UpdateTopicRequest buildPartial() {
-      com.google.pubsub.v1.UpdateTopicRequest result =
-          new com.google.pubsub.v1.UpdateTopicRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.UpdateTopicRequest result = new com.google.pubsub.v1.UpdateTopicRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -430,10 +390,14 @@ public com.google.pubsub.v1.UpdateTopicRequest buildPartial() {
     private void buildPartial0(com.google.pubsub.v1.UpdateTopicRequest result) {
       int from_bitField0_ = bitField0_;
       if (((from_bitField0_ & 0x00000001) != 0)) {
-        result.topic_ = topicBuilder_ == null ? topic_ : topicBuilder_.build();
+        result.topic_ = topicBuilder_ == null
+            ? topic_
+            : topicBuilder_.build();
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.updateMask_ = updateMaskBuilder_ == null ? updateMask_ : updateMaskBuilder_.build();
+        result.updateMask_ = updateMaskBuilder_ == null
+            ? updateMask_
+            : updateMaskBuilder_.build();
       }
     }
 
@@ -441,39 +405,38 @@ private void buildPartial0(com.google.pubsub.v1.UpdateTopicRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.UpdateTopicRequest) {
-        return mergeFrom((com.google.pubsub.v1.UpdateTopicRequest) other);
+        return mergeFrom((com.google.pubsub.v1.UpdateTopicRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -514,25 +477,26 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                input.readMessage(getTopicFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getUpdateMaskFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              input.readMessage(
+                  getTopicFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getUpdateMaskFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -542,38 +506,28 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private com.google.pubsub.v1.Topic topic_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Topic,
-            com.google.pubsub.v1.Topic.Builder,
-            com.google.pubsub.v1.TopicOrBuilder>
-        topicBuilder_;
+        com.google.pubsub.v1.Topic, com.google.pubsub.v1.Topic.Builder, com.google.pubsub.v1.TopicOrBuilder> topicBuilder_;
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
      *
      * .google.pubsub.v1.Topic topic = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return Whether the topic field is set.
      */
     public boolean hasTopic() {
       return ((bitField0_ & 0x00000001) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
      *
      * .google.pubsub.v1.Topic topic = 1 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The topic.
      */
     public com.google.pubsub.v1.Topic getTopic() {
@@ -584,8 +538,6 @@ public com.google.pubsub.v1.Topic getTopic() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
@@ -606,15 +558,14 @@ public Builder setTopic(com.google.pubsub.v1.Topic value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
      *
      * .google.pubsub.v1.Topic topic = 1 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setTopic(com.google.pubsub.v1.Topic.Builder builderForValue) {
+    public Builder setTopic(
+        com.google.pubsub.v1.Topic.Builder builderForValue) {
       if (topicBuilder_ == null) {
         topic_ = builderForValue.build();
       } else {
@@ -625,8 +576,6 @@ public Builder setTopic(com.google.pubsub.v1.Topic.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
@@ -635,9 +584,9 @@ public Builder setTopic(com.google.pubsub.v1.Topic.Builder builderForValue) {
      */
     public Builder mergeTopic(com.google.pubsub.v1.Topic value) {
       if (topicBuilder_ == null) {
-        if (((bitField0_ & 0x00000001) != 0)
-            && topic_ != null
-            && topic_ != com.google.pubsub.v1.Topic.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000001) != 0) &&
+          topic_ != null &&
+          topic_ != com.google.pubsub.v1.Topic.getDefaultInstance()) {
           getTopicBuilder().mergeFrom(value);
         } else {
           topic_ = value;
@@ -650,8 +599,6 @@ public Builder mergeTopic(com.google.pubsub.v1.Topic value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
@@ -669,8 +616,6 @@ public Builder clearTopic() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
@@ -683,8 +628,6 @@ public com.google.pubsub.v1.Topic.Builder getTopicBuilder() {
       return getTopicFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
@@ -695,12 +638,11 @@ public com.google.pubsub.v1.TopicOrBuilder getTopicOrBuilder() {
       if (topicBuilder_ != null) {
         return topicBuilder_.getMessageOrBuilder();
       } else {
-        return topic_ == null ? com.google.pubsub.v1.Topic.getDefaultInstance() : topic_;
+        return topic_ == null ?
+            com.google.pubsub.v1.Topic.getDefaultInstance() : topic_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The updated topic object.
      * 
        
@@ -708,16 +650,14 @@ public com.google.pubsub.v1.TopicOrBuilder getTopicOrBuilder() {
      * .google.pubsub.v1.Topic topic = 1 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Topic,
-            com.google.pubsub.v1.Topic.Builder,
-            com.google.pubsub.v1.TopicOrBuilder>
+        com.google.pubsub.v1.Topic, com.google.pubsub.v1.Topic.Builder, com.google.pubsub.v1.TopicOrBuilder> 
         getTopicFieldBuilder() {
       if (topicBuilder_ == null) {
-        topicBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.Topic,
-                com.google.pubsub.v1.Topic.Builder,
-                com.google.pubsub.v1.TopicOrBuilder>(getTopic(), getParentForChildren(), isClean());
+        topicBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.Topic, com.google.pubsub.v1.Topic.Builder, com.google.pubsub.v1.TopicOrBuilder>(
+                getTopic(),
+                getParentForChildren(),
+                isClean());
         topic_ = null;
       }
       return topicBuilder_;
@@ -725,13 +665,8 @@ public com.google.pubsub.v1.TopicOrBuilder getTopicOrBuilder() {
 
     private com.google.protobuf.FieldMask updateMask_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.FieldMask,
-            com.google.protobuf.FieldMask.Builder,
-            com.google.protobuf.FieldMaskOrBuilder>
-        updateMaskBuilder_;
+        com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder> updateMaskBuilder_;
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -740,17 +675,13 @@ public com.google.pubsub.v1.TopicOrBuilder getTopicOrBuilder() {
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      * @return Whether the updateMask field is set.
      */
     public boolean hasUpdateMask() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -759,23 +690,17 @@ public boolean hasUpdateMask() {
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
-     *
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      * @return The updateMask.
      */
     public com.google.protobuf.FieldMask getUpdateMask() {
       if (updateMaskBuilder_ == null) {
-        return updateMask_ == null
-            ? com.google.protobuf.FieldMask.getDefaultInstance()
-            : updateMask_;
+        return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
       } else {
         return updateMaskBuilder_.getMessage();
       }
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -784,8 +709,7 @@ public com.google.protobuf.FieldMask getUpdateMask() {
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder setUpdateMask(com.google.protobuf.FieldMask value) {
       if (updateMaskBuilder_ == null) {
@@ -801,8 +725,6 @@ public Builder setUpdateMask(com.google.protobuf.FieldMask value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -811,10 +733,10 @@ public Builder setUpdateMask(com.google.protobuf.FieldMask value) {
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setUpdateMask(com.google.protobuf.FieldMask.Builder builderForValue) {
+    public Builder setUpdateMask(
+        com.google.protobuf.FieldMask.Builder builderForValue) {
       if (updateMaskBuilder_ == null) {
         updateMask_ = builderForValue.build();
       } else {
@@ -825,8 +747,6 @@ public Builder setUpdateMask(com.google.protobuf.FieldMask.Builder builderForVal
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -835,14 +755,13 @@ public Builder setUpdateMask(com.google.protobuf.FieldMask.Builder builderForVal
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder mergeUpdateMask(com.google.protobuf.FieldMask value) {
       if (updateMaskBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && updateMask_ != null
-            && updateMask_ != com.google.protobuf.FieldMask.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          updateMask_ != null &&
+          updateMask_ != com.google.protobuf.FieldMask.getDefaultInstance()) {
           getUpdateMaskBuilder().mergeFrom(value);
         } else {
           updateMask_ = value;
@@ -855,8 +774,6 @@ public Builder mergeUpdateMask(com.google.protobuf.FieldMask value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -865,8 +782,7 @@ public Builder mergeUpdateMask(com.google.protobuf.FieldMask value) {
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public Builder clearUpdateMask() {
       bitField0_ = (bitField0_ & ~0x00000002);
@@ -879,8 +795,6 @@ public Builder clearUpdateMask() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -889,8 +803,7 @@ public Builder clearUpdateMask() {
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
       bitField0_ |= 0x00000002;
@@ -898,8 +811,6 @@ public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
       return getUpdateMaskFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -908,21 +819,17 @@ public com.google.protobuf.FieldMask.Builder getUpdateMaskBuilder() {
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
       if (updateMaskBuilder_ != null) {
         return updateMaskBuilder_.getMessageOrBuilder();
       } else {
-        return updateMask_ == null
-            ? com.google.protobuf.FieldMask.getDefaultInstance()
-            : updateMask_;
+        return updateMask_ == null ?
+            com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. Indicates which fields in the provided topic to update. Must be
      * specified and non-empty. Note that if `update_mask` contains
@@ -931,28 +838,24 @@ public com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder() {
      * policy configured at the project or organization level.
      * 
        
      *
-     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-     * 
+     * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.protobuf.FieldMask,
-            com.google.protobuf.FieldMask.Builder,
-            com.google.protobuf.FieldMaskOrBuilder>
+        com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder> 
         getUpdateMaskFieldBuilder() {
       if (updateMaskBuilder_ == null) {
-        updateMaskBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.protobuf.FieldMask,
-                com.google.protobuf.FieldMask.Builder,
-                com.google.protobuf.FieldMaskOrBuilder>(
-                getUpdateMask(), getParentForChildren(), isClean());
+        updateMaskBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.protobuf.FieldMask, com.google.protobuf.FieldMask.Builder, com.google.protobuf.FieldMaskOrBuilder>(
+                getUpdateMask(),
+                getParentForChildren(),
+                isClean());
         updateMask_ = null;
       }
       return updateMaskBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -962,12 +865,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.UpdateTopicRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.UpdateTopicRequest)
   private static final com.google.pubsub.v1.UpdateTopicRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.UpdateTopicRequest();
   }
@@ -976,27 +879,27 @@ public static com.google.pubsub.v1.UpdateTopicRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public UpdateTopicRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public UpdateTopicRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1011,4 +914,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.UpdateTopicRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequestOrBuilder.java
similarity index 74%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequestOrBuilder.java
index 825ab31fd..c5ad2f1b9 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/UpdateTopicRequestOrBuilder.java
@@ -1,55 +1,31 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/pubsub.proto
 
 package com.google.pubsub.v1;
 
-public interface UpdateTopicRequestOrBuilder
-    extends
+public interface UpdateTopicRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.UpdateTopicRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The updated topic object.
    * 
        
    *
    * .google.pubsub.v1.Topic topic = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the topic field is set.
    */
   boolean hasTopic();
   /**
-   *
-   *
    * 
            * Required. The updated topic object.
    * 
        
    *
    * .google.pubsub.v1.Topic topic = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The topic.
    */
   com.google.pubsub.v1.Topic getTopic();
   /**
-   *
-   *
    * 
            * Required. The updated topic object.
    * 
        
@@ -59,8 +35,6 @@ public interface UpdateTopicRequestOrBuilder
   com.google.pubsub.v1.TopicOrBuilder getTopicOrBuilder();
 
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided topic to update. Must be
    * specified and non-empty. Note that if `update_mask` contains
@@ -69,15 +43,11 @@ public interface UpdateTopicRequestOrBuilder
    * policy configured at the project or organization level.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return Whether the updateMask field is set.
    */
   boolean hasUpdateMask();
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided topic to update. Must be
    * specified and non-empty. Note that if `update_mask` contains
@@ -86,15 +56,11 @@ public interface UpdateTopicRequestOrBuilder
    * policy configured at the project or organization level.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   *
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    * @return The updateMask.
    */
   com.google.protobuf.FieldMask getUpdateMask();
   /**
-   *
-   *
    * 
            * Required. Indicates which fields in the provided topic to update. Must be
    * specified and non-empty. Note that if `update_mask` contains
@@ -103,8 +69,7 @@ public interface UpdateTopicRequestOrBuilder
    * policy configured at the project or organization level.
    * 
        
    *
-   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
+   * .google.protobuf.FieldMask update_mask = 2 [(.google.api.field_behavior) = REQUIRED];
    */
   com.google.protobuf.FieldMaskOrBuilder getUpdateMaskOrBuilder();
 }
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequest.java
similarity index 70%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequest.java
index fb823741c..af55a7f53 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequest.java
@@ -1,42 +1,24 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ValidateMessage` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ValidateMessageRequest}
  */
-public final class ValidateMessageRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ValidateMessageRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ValidateMessageRequest)
     ValidateMessageRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ValidateMessageRequest.newBuilder() to construct.
   private ValidateMessageRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ValidateMessageRequest() {
     parent_ = "";
     message_ = com.google.protobuf.ByteString.EMPTY;
@@ -45,39 +27,34 @@ private ValidateMessageRequest() {
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ValidateMessageRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ValidateMessageRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ValidateMessageRequest.class,
-            com.google.pubsub.v1.ValidateMessageRequest.Builder.class);
+            com.google.pubsub.v1.ValidateMessageRequest.class, com.google.pubsub.v1.ValidateMessageRequest.Builder.class);
   }
 
   private int schemaSpecCase_ = 0;
-
   @SuppressWarnings("serial")
   private java.lang.Object schemaSpec_;
-
   public enum SchemaSpecCase
-      implements
-          com.google.protobuf.Internal.EnumLite,
+      implements com.google.protobuf.Internal.EnumLite,
           com.google.protobuf.AbstractMessage.InternalOneOfEnum {
     NAME(2),
     SCHEMA(3),
     SCHEMASPEC_NOT_SET(0);
     private final int value;
-
     private SchemaSpecCase(int value) {
       this.value = value;
     }
@@ -93,42 +70,33 @@ public static SchemaSpecCase valueOf(int value) {
 
     public static SchemaSpecCase forNumber(int value) {
       switch (value) {
-        case 2:
-          return NAME;
-        case 3:
-          return SCHEMA;
-        case 0:
-          return SCHEMASPEC_NOT_SET;
-        default:
-          return null;
+        case 2: return NAME;
+        case 3: return SCHEMA;
+        case 0: return SCHEMASPEC_NOT_SET;
+        default: return null;
       }
     }
-
     public int getNumber() {
       return this.value;
     }
   };
 
-  public SchemaSpecCase getSchemaSpecCase() {
-    return SchemaSpecCase.forNumber(schemaSpecCase_);
+  public SchemaSpecCase
+  getSchemaSpecCase() {
+    return SchemaSpecCase.forNumber(
+        schemaSpecCase_);
   }
 
   public static final int PARENT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object parent_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to validate schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The parent.
    */
   @java.lang.Override
@@ -137,32 +105,30 @@ public java.lang.String getParent() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       parent_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to validate schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for parent.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getParentBytes() {
+  public com.google.protobuf.ByteString
+      getParentBytes() {
     java.lang.Object ref = parent_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       parent_ = b;
       return b;
     } else {
@@ -172,8 +138,6 @@ public com.google.protobuf.ByteString getParentBytes() {
 
   public static final int NAME_FIELD_NUMBER = 2;
   /**
-   *
-   *
    * 
            * Name of the schema against which to validate.
    *
@@ -181,15 +145,12 @@ public com.google.protobuf.ByteString getParentBytes() {
    * 
        
    *
    * string name = 2 [(.google.api.resource_reference) = { ... }
-   *
    * @return Whether the name field is set.
    */
   public boolean hasName() {
     return schemaSpecCase_ == 2;
   }
   /**
-   *
-   *
    * 
            * Name of the schema against which to validate.
    *
@@ -197,7 +158,6 @@ public boolean hasName() {
    * 
        
    *
    * string name = 2 [(.google.api.resource_reference) = { ... }
-   *
    * @return The name.
    */
   public java.lang.String getName() {
@@ -208,7 +168,8 @@ public java.lang.String getName() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       if (schemaSpecCase_ == 2) {
         schemaSpec_ = s;
@@ -217,8 +178,6 @@ public java.lang.String getName() {
     }
   }
   /**
-   *
-   *
    * 
            * Name of the schema against which to validate.
    *
@@ -226,17 +185,18 @@ public java.lang.String getName() {
    * 
        
    *
    * string name = 2 [(.google.api.resource_reference) = { ... }
-   *
    * @return The bytes for name.
    */
-  public com.google.protobuf.ByteString getNameBytes() {
+  public com.google.protobuf.ByteString
+      getNameBytes() {
     java.lang.Object ref = "";
     if (schemaSpecCase_ == 2) {
       ref = schemaSpec_;
     }
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       if (schemaSpecCase_ == 2) {
         schemaSpec_ = b;
       }
@@ -248,14 +208,11 @@ public com.google.protobuf.ByteString getNameBytes() {
 
   public static final int SCHEMA_FIELD_NUMBER = 3;
   /**
-   *
-   *
    * 
            * Ad-hoc schema against which to validate
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 3;
-   *
    * @return Whether the schema field is set.
    */
   @java.lang.Override
@@ -263,26 +220,21 @@ public boolean hasSchema() {
     return schemaSpecCase_ == 3;
   }
   /**
-   *
-   *
    * 
            * Ad-hoc schema against which to validate
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 3;
-   *
    * @return The schema.
    */
   @java.lang.Override
   public com.google.pubsub.v1.Schema getSchema() {
     if (schemaSpecCase_ == 3) {
-      return (com.google.pubsub.v1.Schema) schemaSpec_;
+       return (com.google.pubsub.v1.Schema) schemaSpec_;
     }
     return com.google.pubsub.v1.Schema.getDefaultInstance();
   }
   /**
-   *
-   *
    * 
            * Ad-hoc schema against which to validate
    * 
        
@@ -292,7 +244,7 @@ public com.google.pubsub.v1.Schema getSchema() {
   @java.lang.Override
   public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
     if (schemaSpecCase_ == 3) {
-      return (com.google.pubsub.v1.Schema) schemaSpec_;
+       return (com.google.pubsub.v1.Schema) schemaSpec_;
     }
     return com.google.pubsub.v1.Schema.getDefaultInstance();
   }
@@ -300,14 +252,11 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
   public static final int MESSAGE_FIELD_NUMBER = 4;
   private com.google.protobuf.ByteString message_ = com.google.protobuf.ByteString.EMPTY;
   /**
-   *
-   *
    * 
            * Message to validate against the provided `schema_spec`.
    * 
        
    *
    * bytes message = 4;
-   *
    * @return The message.
    */
   @java.lang.Override
@@ -318,39 +267,30 @@ public com.google.protobuf.ByteString getMessage() {
   public static final int ENCODING_FIELD_NUMBER = 5;
   private int encoding_ = 0;
   /**
-   *
-   *
    * 
            * The encoding expected for messages
    * 
        
    *
    * .google.pubsub.v1.Encoding encoding = 5;
-   *
    * @return The enum numeric value on the wire for encoding.
    */
-  @java.lang.Override
-  public int getEncodingValue() {
+  @java.lang.Override public int getEncodingValue() {
     return encoding_;
   }
   /**
-   *
-   *
    * 
            * The encoding expected for messages
    * 
        
    *
    * .google.pubsub.v1.Encoding encoding = 5;
-   *
    * @return The encoding.
    */
-  @java.lang.Override
-  public com.google.pubsub.v1.Encoding getEncoding() {
+  @java.lang.Override public com.google.pubsub.v1.Encoding getEncoding() {
     com.google.pubsub.v1.Encoding result = com.google.pubsub.v1.Encoding.forNumber(encoding_);
     return result == null ? com.google.pubsub.v1.Encoding.UNRECOGNIZED : result;
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -362,7 +302,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
     }
@@ -394,15 +335,16 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, schemaSpec_);
     }
     if (schemaSpecCase_ == 3) {
-      size +=
-          com.google.protobuf.CodedOutputStream.computeMessageSize(
-              3, (com.google.pubsub.v1.Schema) schemaSpec_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(3, (com.google.pubsub.v1.Schema) schemaSpec_);
     }
     if (!message_.isEmpty()) {
-      size += com.google.protobuf.CodedOutputStream.computeBytesSize(4, message_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeBytesSize(4, message_);
     }
     if (encoding_ != com.google.pubsub.v1.Encoding.ENCODING_UNSPECIFIED.getNumber()) {
-      size += com.google.protobuf.CodedOutputStream.computeEnumSize(5, encoding_);
+      size += com.google.protobuf.CodedOutputStream
+        .computeEnumSize(5, encoding_);
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -412,24 +354,27 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ValidateMessageRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ValidateMessageRequest other =
-        (com.google.pubsub.v1.ValidateMessageRequest) obj;
+    com.google.pubsub.v1.ValidateMessageRequest other = (com.google.pubsub.v1.ValidateMessageRequest) obj;
 
-    if (!getParent().equals(other.getParent())) return false;
-    if (!getMessage().equals(other.getMessage())) return false;
+    if (!getParent()
+        .equals(other.getParent())) return false;
+    if (!getMessage()
+        .equals(other.getMessage())) return false;
     if (encoding_ != other.encoding_) return false;
     if (!getSchemaSpecCase().equals(other.getSchemaSpecCase())) return false;
     switch (schemaSpecCase_) {
       case 2:
-        if (!getName().equals(other.getName())) return false;
+        if (!getName()
+            .equals(other.getName())) return false;
         break;
       case 3:
-        if (!getSchema().equals(other.getSchema())) return false;
+        if (!getSchema()
+            .equals(other.getSchema())) return false;
         break;
       case 0:
       default:
@@ -468,136 +413,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ValidateMessageRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ValidateMessageRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ValidateMessageRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ValidateMessageRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ValidateMessageRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ValidateMessage` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ValidateMessageRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ValidateMessageRequest)
       com.google.pubsub.v1.ValidateMessageRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateMessageRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ValidateMessageRequest.class,
-              com.google.pubsub.v1.ValidateMessageRequest.Builder.class);
+              com.google.pubsub.v1.ValidateMessageRequest.class, com.google.pubsub.v1.ValidateMessageRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ValidateMessageRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -614,9 +555,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor;
     }
 
     @java.lang.Override
@@ -635,11 +576,8 @@ public com.google.pubsub.v1.ValidateMessageRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ValidateMessageRequest buildPartial() {
-      com.google.pubsub.v1.ValidateMessageRequest result =
-          new com.google.pubsub.v1.ValidateMessageRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ValidateMessageRequest result = new com.google.pubsub.v1.ValidateMessageRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       buildPartialOneofs(result);
       onBuilt();
       return result;
@@ -661,7 +599,8 @@ private void buildPartial0(com.google.pubsub.v1.ValidateMessageRequest result) {
     private void buildPartialOneofs(com.google.pubsub.v1.ValidateMessageRequest result) {
       result.schemaSpecCase_ = schemaSpecCase_;
       result.schemaSpec_ = this.schemaSpec_;
-      if (schemaSpecCase_ == 3 && schemaBuilder_ != null) {
+      if (schemaSpecCase_ == 3 &&
+          schemaBuilder_ != null) {
         result.schemaSpec_ = schemaBuilder_.build();
       }
     }
@@ -670,39 +609,38 @@ private void buildPartialOneofs(com.google.pubsub.v1.ValidateMessageRequest resu
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ValidateMessageRequest) {
-        return mergeFrom((com.google.pubsub.v1.ValidateMessageRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ValidateMessageRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -723,22 +661,19 @@ public Builder mergeFrom(com.google.pubsub.v1.ValidateMessageRequest other) {
         setEncodingValue(other.getEncodingValue());
       }
       switch (other.getSchemaSpecCase()) {
-        case NAME:
-          {
-            schemaSpecCase_ = 2;
-            schemaSpec_ = other.schemaSpec_;
-            onChanged();
-            break;
-          }
-        case SCHEMA:
-          {
-            mergeSchema(other.getSchema());
-            break;
-          }
-        case SCHEMASPEC_NOT_SET:
-          {
-            break;
-          }
+        case NAME: {
+          schemaSpecCase_ = 2;
+          schemaSpec_ = other.schemaSpec_;
+          onChanged();
+          break;
+        }
+        case SCHEMA: {
+          mergeSchema(other.getSchema());
+          break;
+        }
+        case SCHEMASPEC_NOT_SET: {
+          break;
+        }
       }
       this.mergeUnknownFields(other.getUnknownFields());
       onChanged();
@@ -766,44 +701,40 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                parent_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                schemaSpecCase_ = 2;
-                schemaSpec_ = s;
-                break;
-              } // case 18
-            case 26:
-              {
-                input.readMessage(getSchemaFieldBuilder().getBuilder(), extensionRegistry);
-                schemaSpecCase_ = 3;
-                break;
-              } // case 26
-            case 34:
-              {
-                message_ = input.readBytes();
-                bitField0_ |= 0x00000008;
-                break;
-              } // case 34
-            case 40:
-              {
-                encoding_ = input.readEnum();
-                bitField0_ |= 0x00000010;
-                break;
-              } // case 40
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              parent_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              java.lang.String s = input.readStringRequireUtf8();
+              schemaSpecCase_ = 2;
+              schemaSpec_ = s;
+              break;
+            } // case 18
+            case 26: {
+              input.readMessage(
+                  getSchemaFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              schemaSpecCase_ = 3;
+              break;
+            } // case 26
+            case 34: {
+              message_ = input.readBytes();
+              bitField0_ |= 0x00000008;
+              break;
+            } // case 34
+            case 40: {
+              encoding_ = input.readEnum();
+              bitField0_ |= 0x00000010;
+              break;
+            } // case 40
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -813,12 +744,12 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int schemaSpecCase_ = 0;
     private java.lang.Object schemaSpec_;
-
-    public SchemaSpecCase getSchemaSpecCase() {
-      return SchemaSpecCase.forNumber(schemaSpecCase_);
+    public SchemaSpecCase
+        getSchemaSpecCase() {
+      return SchemaSpecCase.forNumber(
+          schemaSpecCase_);
     }
 
     public Builder clearSchemaSpec() {
@@ -832,23 +763,19 @@ public Builder clearSchemaSpec() {
 
     private java.lang.Object parent_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The parent.
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         parent_ = s;
         return s;
@@ -857,24 +784,21 @@ public java.lang.String getParent() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for parent.
      */
-    public com.google.protobuf.ByteString getParentBytes() {
+    public com.google.protobuf.ByteString
+        getParentBytes() {
       java.lang.Object ref = parent_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         parent_ = b;
         return b;
       } else {
@@ -882,41 +806,30 @@ public com.google.protobuf.ByteString getParentBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The parent to set.
      * @return This builder for chaining.
      */
-    public Builder setParent(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setParent(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       parent_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearParent() {
@@ -926,24 +839,18 @@ public Builder clearParent() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for parent to set.
      * @return This builder for chaining.
      */
-    public Builder setParentBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setParentBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       parent_ = value;
       bitField0_ |= 0x00000001;
@@ -952,8 +859,6 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
     }
 
     /**
-     *
-     *
      * 
              * Name of the schema against which to validate.
      *
@@ -961,7 +866,6 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
      * 
        
      *
      * string name = 2 [(.google.api.resource_reference) = { ... }
-     *
      * @return Whether the name field is set.
      */
     @java.lang.Override
@@ -969,8 +873,6 @@ public boolean hasName() {
       return schemaSpecCase_ == 2;
     }
     /**
-     *
-     *
      * 
              * Name of the schema against which to validate.
      *
@@ -978,7 +880,6 @@ public boolean hasName() {
      * 
        
      *
      * string name = 2 [(.google.api.resource_reference) = { ... }
-     *
      * @return The name.
      */
     @java.lang.Override
@@ -988,7 +889,8 @@ public java.lang.String getName() {
         ref = schemaSpec_;
       }
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         if (schemaSpecCase_ == 2) {
           schemaSpec_ = s;
@@ -999,8 +901,6 @@ public java.lang.String getName() {
       }
     }
     /**
-     *
-     *
      * 
              * Name of the schema against which to validate.
      *
@@ -1008,18 +908,19 @@ public java.lang.String getName() {
      * 
        
      *
      * string name = 2 [(.google.api.resource_reference) = { ... }
-     *
      * @return The bytes for name.
      */
     @java.lang.Override
-    public com.google.protobuf.ByteString getNameBytes() {
+    public com.google.protobuf.ByteString
+        getNameBytes() {
       java.lang.Object ref = "";
       if (schemaSpecCase_ == 2) {
         ref = schemaSpec_;
       }
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         if (schemaSpecCase_ == 2) {
           schemaSpec_ = b;
         }
@@ -1029,8 +930,6 @@ public com.google.protobuf.ByteString getNameBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Name of the schema against which to validate.
      *
@@ -1038,22 +937,18 @@ public com.google.protobuf.ByteString getNameBytes() {
      * 
        
      *
      * string name = 2 [(.google.api.resource_reference) = { ... }
-     *
      * @param value The name to set.
      * @return This builder for chaining.
      */
-    public Builder setName(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setName(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       schemaSpecCase_ = 2;
       schemaSpec_ = value;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Name of the schema against which to validate.
      *
@@ -1061,7 +956,6 @@ public Builder setName(java.lang.String value) {
      * 
        
      *
      * string name = 2 [(.google.api.resource_reference) = { ... }
-     *
      * @return This builder for chaining.
      */
     public Builder clearName() {
@@ -1073,8 +967,6 @@ public Builder clearName() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Name of the schema against which to validate.
      *
@@ -1082,14 +974,12 @@ public Builder clearName() {
      * 
        
      *
      * string name = 2 [(.google.api.resource_reference) = { ... }
-     *
      * @param value The bytes for name to set.
      * @return This builder for chaining.
      */
-    public Builder setNameBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setNameBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       schemaSpecCase_ = 2;
       schemaSpec_ = value;
@@ -1098,19 +988,13 @@ public Builder setNameBytes(com.google.protobuf.ByteString value) {
     }
 
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
-        schemaBuilder_;
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> schemaBuilder_;
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 3;
-     *
      * @return Whether the schema field is set.
      */
     @java.lang.Override
@@ -1118,14 +1002,11 @@ public boolean hasSchema() {
       return schemaSpecCase_ == 3;
     }
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 3;
-     *
      * @return The schema.
      */
     @java.lang.Override
@@ -1143,8 +1024,6 @@ public com.google.pubsub.v1.Schema getSchema() {
       }
     }
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
@@ -1165,15 +1044,14 @@ public Builder setSchema(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 3;
      */
-    public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder setSchema(
+        com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemaBuilder_ == null) {
         schemaSpec_ = builderForValue.build();
         onChanged();
@@ -1184,8 +1062,6 @@ public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
@@ -1194,12 +1070,10 @@ public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
      */
     public Builder mergeSchema(com.google.pubsub.v1.Schema value) {
       if (schemaBuilder_ == null) {
-        if (schemaSpecCase_ == 3
-            && schemaSpec_ != com.google.pubsub.v1.Schema.getDefaultInstance()) {
-          schemaSpec_ =
-              com.google.pubsub.v1.Schema.newBuilder((com.google.pubsub.v1.Schema) schemaSpec_)
-                  .mergeFrom(value)
-                  .buildPartial();
+        if (schemaSpecCase_ == 3 &&
+            schemaSpec_ != com.google.pubsub.v1.Schema.getDefaultInstance()) {
+          schemaSpec_ = com.google.pubsub.v1.Schema.newBuilder((com.google.pubsub.v1.Schema) schemaSpec_)
+              .mergeFrom(value).buildPartial();
         } else {
           schemaSpec_ = value;
         }
@@ -1215,8 +1089,6 @@ public Builder mergeSchema(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
@@ -1240,8 +1112,6 @@ public Builder clearSchema() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
@@ -1252,8 +1122,6 @@ public com.google.pubsub.v1.Schema.Builder getSchemaBuilder() {
       return getSchemaFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
@@ -1272,8 +1140,6 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
       }
     }
     /**
-     *
-     *
      * 
              * Ad-hoc schema against which to validate
      * 
        
@@ -1281,20 +1147,17 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
      * .google.pubsub.v1.Schema schema = 3;
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> 
         getSchemaFieldBuilder() {
       if (schemaBuilder_ == null) {
         if (!(schemaSpecCase_ == 3)) {
           schemaSpec_ = com.google.pubsub.v1.Schema.getDefaultInstance();
         }
-        schemaBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.Schema,
-                com.google.pubsub.v1.Schema.Builder,
-                com.google.pubsub.v1.SchemaOrBuilder>(
-                (com.google.pubsub.v1.Schema) schemaSpec_, getParentForChildren(), isClean());
+        schemaBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder>(
+                (com.google.pubsub.v1.Schema) schemaSpec_,
+                getParentForChildren(),
+                isClean());
         schemaSpec_ = null;
       }
       schemaSpecCase_ = 3;
@@ -1304,14 +1167,11 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
 
     private com.google.protobuf.ByteString message_ = com.google.protobuf.ByteString.EMPTY;
     /**
-     *
-     *
      * 
              * Message to validate against the provided `schema_spec`.
      * 
        
      *
      * bytes message = 4;
-     *
      * @return The message.
      */
     @java.lang.Override
@@ -1319,35 +1179,27 @@ public com.google.protobuf.ByteString getMessage() {
       return message_;
     }
     /**
-     *
-     *
      * 
              * Message to validate against the provided `schema_spec`.
      * 
        
      *
      * bytes message = 4;
-     *
      * @param value The message to set.
      * @return This builder for chaining.
      */
     public Builder setMessage(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+      if (value == null) { throw new NullPointerException(); }
       message_ = value;
       bitField0_ |= 0x00000008;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Message to validate against the provided `schema_spec`.
      * 
        
      *
      * bytes message = 4;
-     *
      * @return This builder for chaining.
      */
     public Builder clearMessage() {
@@ -1359,29 +1211,22 @@ public Builder clearMessage() {
 
     private int encoding_ = 0;
     /**
-     *
-     *
      * 
              * The encoding expected for messages
      * 
        
      *
      * .google.pubsub.v1.Encoding encoding = 5;
-     *
      * @return The enum numeric value on the wire for encoding.
      */
-    @java.lang.Override
-    public int getEncodingValue() {
+    @java.lang.Override public int getEncodingValue() {
       return encoding_;
     }
     /**
-     *
-     *
      * 
              * The encoding expected for messages
      * 
        
      *
      * .google.pubsub.v1.Encoding encoding = 5;
-     *
      * @param value The enum numeric value on the wire for encoding to set.
      * @return This builder for chaining.
      */
@@ -1392,14 +1237,11 @@ public Builder setEncodingValue(int value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The encoding expected for messages
      * 
        
      *
      * .google.pubsub.v1.Encoding encoding = 5;
-     *
      * @return The encoding.
      */
     @java.lang.Override
@@ -1408,14 +1250,11 @@ public com.google.pubsub.v1.Encoding getEncoding() {
       return result == null ? com.google.pubsub.v1.Encoding.UNRECOGNIZED : result;
     }
     /**
-     *
-     *
      * 
              * The encoding expected for messages
      * 
        
      *
      * .google.pubsub.v1.Encoding encoding = 5;
-     *
      * @param value The encoding to set.
      * @return This builder for chaining.
      */
@@ -1429,14 +1268,11 @@ public Builder setEncoding(com.google.pubsub.v1.Encoding value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * The encoding expected for messages
      * 
        
      *
      * .google.pubsub.v1.Encoding encoding = 5;
-     *
      * @return This builder for chaining.
      */
     public Builder clearEncoding() {
@@ -1445,9 +1281,9 @@ public Builder clearEncoding() {
       onChanged();
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -1457,12 +1293,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ValidateMessageRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ValidateMessageRequest)
   private static final com.google.pubsub.v1.ValidateMessageRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ValidateMessageRequest();
   }
@@ -1471,27 +1307,27 @@ public static com.google.pubsub.v1.ValidateMessageRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ValidateMessageRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ValidateMessageRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -1506,4 +1342,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ValidateMessageRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequestOrBuilder.java
similarity index 70%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequestOrBuilder.java
index f4d4702b2..011fa46d7 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageRequestOrBuilder.java
@@ -1,62 +1,35 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface ValidateMessageRequestOrBuilder
-    extends
+public interface ValidateMessageRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ValidateMessageRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to validate schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The parent.
    */
   java.lang.String getParent();
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to validate schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for parent.
    */
-  com.google.protobuf.ByteString getParentBytes();
+  com.google.protobuf.ByteString
+      getParentBytes();
 
   /**
-   *
-   *
    * 
            * Name of the schema against which to validate.
    *
@@ -64,13 +37,10 @@ public interface ValidateMessageRequestOrBuilder
    * 
        
    *
    * string name = 2 [(.google.api.resource_reference) = { ... }
-   *
    * @return Whether the name field is set.
    */
   boolean hasName();
   /**
-   *
-   *
    * 
            * Name of the schema against which to validate.
    *
@@ -78,13 +48,10 @@ public interface ValidateMessageRequestOrBuilder
    * 
        
    *
    * string name = 2 [(.google.api.resource_reference) = { ... }
-   *
    * @return The name.
    */
   java.lang.String getName();
   /**
-   *
-   *
    * 
            * Name of the schema against which to validate.
    *
@@ -92,38 +59,30 @@ public interface ValidateMessageRequestOrBuilder
    * 
        
    *
    * string name = 2 [(.google.api.resource_reference) = { ... }
-   *
    * @return The bytes for name.
    */
-  com.google.protobuf.ByteString getNameBytes();
+  com.google.protobuf.ByteString
+      getNameBytes();
 
   /**
-   *
-   *
    * 
            * Ad-hoc schema against which to validate
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 3;
-   *
    * @return Whether the schema field is set.
    */
   boolean hasSchema();
   /**
-   *
-   *
    * 
            * Ad-hoc schema against which to validate
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 3;
-   *
    * @return The schema.
    */
   com.google.pubsub.v1.Schema getSchema();
   /**
-   *
-   *
    * 
            * Ad-hoc schema against which to validate
    * 
        
@@ -133,39 +92,30 @@ public interface ValidateMessageRequestOrBuilder
   com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder();
 
   /**
-   *
-   *
    * 
            * Message to validate against the provided `schema_spec`.
    * 
        
    *
    * bytes message = 4;
-   *
    * @return The message.
    */
   com.google.protobuf.ByteString getMessage();
 
   /**
-   *
-   *
    * 
            * The encoding expected for messages
    * 
        
    *
    * .google.pubsub.v1.Encoding encoding = 5;
-   *
    * @return The enum numeric value on the wire for encoding.
    */
   int getEncodingValue();
   /**
-   *
-   *
    * 
            * The encoding expected for messages
    * 
        
    *
    * .google.pubsub.v1.Encoding encoding = 5;
-   *
    * @return The encoding.
    */
   com.google.pubsub.v1.Encoding getEncoding();
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponse.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponse.java
index e56de6312..0afa0eb29 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponse.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ValidateMessage` method.
  * Empty for now.
@@ -28,41 +11,39 @@
  *
  * Protobuf type {@code google.pubsub.v1.ValidateMessageResponse}
  */
-public final class ValidateMessageResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ValidateMessageResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ValidateMessageResponse)
     ValidateMessageResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ValidateMessageResponse.newBuilder() to construct.
   private ValidateMessageResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private ValidateMessageResponse() {}
+  private ValidateMessageResponse() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ValidateMessageResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ValidateMessageResponse_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ValidateMessageResponse.class,
-            com.google.pubsub.v1.ValidateMessageResponse.Builder.class);
+            com.google.pubsub.v1.ValidateMessageResponse.class, com.google.pubsub.v1.ValidateMessageResponse.Builder.class);
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -74,7 +55,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     getUnknownFields().writeTo(output);
   }
 
@@ -92,13 +74,12 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ValidateMessageResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ValidateMessageResponse other =
-        (com.google.pubsub.v1.ValidateMessageResponse) obj;
+    com.google.pubsub.v1.ValidateMessageResponse other = (com.google.pubsub.v1.ValidateMessageResponse) obj;
 
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -116,104 +97,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ValidateMessageResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ValidateMessageResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ValidateMessageResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ValidateMessageResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ValidateMessageResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ValidateMessage` method.
    * Empty for now.
@@ -221,32 +197,33 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.ValidateMessageResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ValidateMessageResponse)
       com.google.pubsub.v1.ValidateMessageResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateMessageResponse_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ValidateMessageResponse.class,
-              com.google.pubsub.v1.ValidateMessageResponse.Builder.class);
+              com.google.pubsub.v1.ValidateMessageResponse.class, com.google.pubsub.v1.ValidateMessageResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ValidateMessageResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -254,9 +231,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor;
     }
 
     @java.lang.Override
@@ -275,8 +252,7 @@ public com.google.pubsub.v1.ValidateMessageResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ValidateMessageResponse buildPartial() {
-      com.google.pubsub.v1.ValidateMessageResponse result =
-          new com.google.pubsub.v1.ValidateMessageResponse(this);
+      com.google.pubsub.v1.ValidateMessageResponse result = new com.google.pubsub.v1.ValidateMessageResponse(this);
       onBuilt();
       return result;
     }
@@ -285,39 +261,38 @@ public com.google.pubsub.v1.ValidateMessageResponse buildPartial() {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ValidateMessageResponse) {
-        return mergeFrom((com.google.pubsub.v1.ValidateMessageResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ValidateMessageResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -352,13 +327,12 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -368,9 +342,9 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -380,12 +354,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ValidateMessageResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ValidateMessageResponse)
   private static final com.google.pubsub.v1.ValidateMessageResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ValidateMessageResponse();
   }
@@ -394,27 +368,27 @@ public static com.google.pubsub.v1.ValidateMessageResponse getDefaultInstance()
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ValidateMessageResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ValidateMessageResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -429,4 +403,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ValidateMessageResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponseOrBuilder.java
new file mode 100644
index 000000000..ab8ed5a52
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponseOrBuilder.java
@@ -0,0 +1,9 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/schema.proto
+
+package com.google.pubsub.v1;
+
+public interface ValidateMessageResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ValidateMessageResponse)
+    com.google.protobuf.MessageOrBuilder {
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequest.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequest.java
similarity index 66%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequest.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequest.java
index 8a55996d7..1e9d71c06 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequest.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequest.java
@@ -1,83 +1,58 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Request for the `ValidateSchema` method.
  * 
        
  *
  * Protobuf type {@code google.pubsub.v1.ValidateSchemaRequest}
  */
-public final class ValidateSchemaRequest extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ValidateSchemaRequest extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ValidateSchemaRequest)
     ValidateSchemaRequestOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ValidateSchemaRequest.newBuilder() to construct.
   private ValidateSchemaRequest(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
   private ValidateSchemaRequest() {
     parent_ = "";
   }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ValidateSchemaRequest();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ValidateSchemaRequest_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaRequest_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ValidateSchemaRequest.class,
-            com.google.pubsub.v1.ValidateSchemaRequest.Builder.class);
+            com.google.pubsub.v1.ValidateSchemaRequest.class, com.google.pubsub.v1.ValidateSchemaRequest.Builder.class);
   }
 
   public static final int PARENT_FIELD_NUMBER = 1;
-
   @SuppressWarnings("serial")
   private volatile java.lang.Object parent_ = "";
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to validate schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The parent.
    */
   @java.lang.Override
@@ -86,32 +61,30 @@ public java.lang.String getParent() {
     if (ref instanceof java.lang.String) {
       return (java.lang.String) ref;
     } else {
-      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+      com.google.protobuf.ByteString bs = 
+          (com.google.protobuf.ByteString) ref;
       java.lang.String s = bs.toStringUtf8();
       parent_ = s;
       return s;
     }
   }
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to validate schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for parent.
    */
   @java.lang.Override
-  public com.google.protobuf.ByteString getParentBytes() {
+  public com.google.protobuf.ByteString
+      getParentBytes() {
     java.lang.Object ref = parent_;
     if (ref instanceof java.lang.String) {
-      com.google.protobuf.ByteString b =
-          com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+      com.google.protobuf.ByteString b = 
+          com.google.protobuf.ByteString.copyFromUtf8(
+              (java.lang.String) ref);
       parent_ = b;
       return b;
     } else {
@@ -122,14 +95,11 @@ public com.google.protobuf.ByteString getParentBytes() {
   public static final int SCHEMA_FIELD_NUMBER = 2;
   private com.google.pubsub.v1.Schema schema_;
   /**
-   *
-   *
    * 
            * Required. The schema object to validate.
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the schema field is set.
    */
   @java.lang.Override
@@ -137,14 +107,11 @@ public boolean hasSchema() {
     return schema_ != null;
   }
   /**
-   *
-   *
    * 
            * Required. The schema object to validate.
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The schema.
    */
   @java.lang.Override
@@ -152,8 +119,6 @@ public com.google.pubsub.v1.Schema getSchema() {
     return schema_ == null ? com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
   }
   /**
-   *
-   *
    * 
            * Required. The schema object to validate.
    * 
        
@@ -166,7 +131,6 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -178,7 +142,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
       com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
     }
@@ -198,7 +163,8 @@ public int getSerializedSize() {
       size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, parent_);
     }
     if (schema_ != null) {
-      size += com.google.protobuf.CodedOutputStream.computeMessageSize(2, getSchema());
+      size += com.google.protobuf.CodedOutputStream
+        .computeMessageSize(2, getSchema());
     }
     size += getUnknownFields().getSerializedSize();
     memoizedSize = size;
@@ -208,18 +174,19 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ValidateSchemaRequest)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ValidateSchemaRequest other =
-        (com.google.pubsub.v1.ValidateSchemaRequest) obj;
+    com.google.pubsub.v1.ValidateSchemaRequest other = (com.google.pubsub.v1.ValidateSchemaRequest) obj;
 
-    if (!getParent().equals(other.getParent())) return false;
+    if (!getParent()
+        .equals(other.getParent())) return false;
     if (hasSchema() != other.hasSchema()) return false;
     if (hasSchema()) {
-      if (!getSchema().equals(other.getSchema())) return false;
+      if (!getSchema()
+          .equals(other.getSchema())) return false;
     }
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -243,136 +210,132 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ValidateSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ValidateSchemaRequest parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ValidateSchemaRequest parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaRequest parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ValidateSchemaRequest prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Request for the `ValidateSchema` method.
    * 
        
    *
    * Protobuf type {@code google.pubsub.v1.ValidateSchemaRequest}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ValidateSchemaRequest)
       com.google.pubsub.v1.ValidateSchemaRequestOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateSchemaRequest_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaRequest_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ValidateSchemaRequest.class,
-              com.google.pubsub.v1.ValidateSchemaRequest.Builder.class);
+              com.google.pubsub.v1.ValidateSchemaRequest.class, com.google.pubsub.v1.ValidateSchemaRequest.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ValidateSchemaRequest.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -387,9 +350,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor;
     }
 
     @java.lang.Override
@@ -408,11 +371,8 @@ public com.google.pubsub.v1.ValidateSchemaRequest build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ValidateSchemaRequest buildPartial() {
-      com.google.pubsub.v1.ValidateSchemaRequest result =
-          new com.google.pubsub.v1.ValidateSchemaRequest(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
+      com.google.pubsub.v1.ValidateSchemaRequest result = new com.google.pubsub.v1.ValidateSchemaRequest(this);
+      if (bitField0_ != 0) { buildPartial0(result); }
       onBuilt();
       return result;
     }
@@ -423,7 +383,9 @@ private void buildPartial0(com.google.pubsub.v1.ValidateSchemaRequest result) {
         result.parent_ = parent_;
       }
       if (((from_bitField0_ & 0x00000002) != 0)) {
-        result.schema_ = schemaBuilder_ == null ? schema_ : schemaBuilder_.build();
+        result.schema_ = schemaBuilder_ == null
+            ? schema_
+            : schemaBuilder_.build();
       }
     }
 
@@ -431,39 +393,38 @@ private void buildPartial0(com.google.pubsub.v1.ValidateSchemaRequest result) {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ValidateSchemaRequest) {
-        return mergeFrom((com.google.pubsub.v1.ValidateSchemaRequest) other);
+        return mergeFrom((com.google.pubsub.v1.ValidateSchemaRequest)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -506,25 +467,24 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            case 10:
-              {
-                parent_ = input.readStringRequireUtf8();
-                bitField0_ |= 0x00000001;
-                break;
-              } // case 10
-            case 18:
-              {
-                input.readMessage(getSchemaFieldBuilder().getBuilder(), extensionRegistry);
-                bitField0_ |= 0x00000002;
-                break;
-              } // case 18
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            case 10: {
+              parent_ = input.readStringRequireUtf8();
+              bitField0_ |= 0x00000001;
+              break;
+            } // case 10
+            case 18: {
+              input.readMessage(
+                  getSchemaFieldBuilder().getBuilder(),
+                  extensionRegistry);
+              bitField0_ |= 0x00000002;
+              break;
+            } // case 18
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -534,28 +494,23 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     private int bitField0_;
 
     private java.lang.Object parent_ = "";
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The parent.
      */
     public java.lang.String getParent() {
       java.lang.Object ref = parent_;
       if (!(ref instanceof java.lang.String)) {
-        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
+        com.google.protobuf.ByteString bs =
+            (com.google.protobuf.ByteString) ref;
         java.lang.String s = bs.toStringUtf8();
         parent_ = s;
         return s;
@@ -564,24 +519,21 @@ public java.lang.String getParent() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return The bytes for parent.
      */
-    public com.google.protobuf.ByteString getParentBytes() {
+    public com.google.protobuf.ByteString
+        getParentBytes() {
       java.lang.Object ref = parent_;
       if (ref instanceof String) {
-        com.google.protobuf.ByteString b =
-            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
         parent_ = b;
         return b;
       } else {
@@ -589,41 +541,30 @@ public com.google.protobuf.ByteString getParentBytes() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The parent to set.
      * @return This builder for chaining.
      */
-    public Builder setParent(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setParent(
+        java.lang.String value) {
+      if (value == null) { throw new NullPointerException(); }
       parent_ = value;
       bitField0_ |= 0x00000001;
       onChanged();
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @return This builder for chaining.
      */
     public Builder clearParent() {
@@ -633,24 +574,18 @@ public Builder clearParent() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The name of the project in which to validate schemas.
      * Format is `projects/{project-id}`.
      * 
        
      *
-     * 
-     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-     * 
-     *
+     * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
      * @param value The bytes for parent to set.
      * @return This builder for chaining.
      */
-    public Builder setParentBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
+    public Builder setParentBytes(
+        com.google.protobuf.ByteString value) {
+      if (value == null) { throw new NullPointerException(); }
       checkByteStringIsUtf8(value);
       parent_ = value;
       bitField0_ |= 0x00000001;
@@ -660,33 +595,24 @@ public Builder setParentBytes(com.google.protobuf.ByteString value) {
 
     private com.google.pubsub.v1.Schema schema_;
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
-        schemaBuilder_;
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> schemaBuilder_;
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return Whether the schema field is set.
      */
     public boolean hasSchema() {
       return ((bitField0_ & 0x00000002) != 0);
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-     *
      * @return The schema.
      */
     public com.google.pubsub.v1.Schema getSchema() {
@@ -697,8 +623,6 @@ public com.google.pubsub.v1.Schema getSchema() {
       }
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
@@ -719,15 +643,14 @@ public Builder setSchema(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
      *
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
      */
-    public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
+    public Builder setSchema(
+        com.google.pubsub.v1.Schema.Builder builderForValue) {
       if (schemaBuilder_ == null) {
         schema_ = builderForValue.build();
       } else {
@@ -738,8 +661,6 @@ public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
@@ -748,9 +669,9 @@ public Builder setSchema(com.google.pubsub.v1.Schema.Builder builderForValue) {
      */
     public Builder mergeSchema(com.google.pubsub.v1.Schema value) {
       if (schemaBuilder_ == null) {
-        if (((bitField0_ & 0x00000002) != 0)
-            && schema_ != null
-            && schema_ != com.google.pubsub.v1.Schema.getDefaultInstance()) {
+        if (((bitField0_ & 0x00000002) != 0) &&
+          schema_ != null &&
+          schema_ != com.google.pubsub.v1.Schema.getDefaultInstance()) {
           getSchemaBuilder().mergeFrom(value);
         } else {
           schema_ = value;
@@ -763,8 +684,6 @@ public Builder mergeSchema(com.google.pubsub.v1.Schema value) {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
@@ -782,8 +701,6 @@ public Builder clearSchema() {
       return this;
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
@@ -796,8 +713,6 @@ public com.google.pubsub.v1.Schema.Builder getSchemaBuilder() {
       return getSchemaFieldBuilder().getBuilder();
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
@@ -808,12 +723,11 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
       if (schemaBuilder_ != null) {
         return schemaBuilder_.getMessageOrBuilder();
       } else {
-        return schema_ == null ? com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
+        return schema_ == null ?
+            com.google.pubsub.v1.Schema.getDefaultInstance() : schema_;
       }
     }
     /**
-     *
-     *
      * 
              * Required. The schema object to validate.
      * 
        
@@ -821,24 +735,21 @@ public com.google.pubsub.v1.SchemaOrBuilder getSchemaOrBuilder() {
      * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
      */
     private com.google.protobuf.SingleFieldBuilderV3<
-            com.google.pubsub.v1.Schema,
-            com.google.pubsub.v1.Schema.Builder,
-            com.google.pubsub.v1.SchemaOrBuilder>
+        com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder> 
         getSchemaFieldBuilder() {
       if (schemaBuilder_ == null) {
-        schemaBuilder_ =
-            new com.google.protobuf.SingleFieldBuilderV3<
-                com.google.pubsub.v1.Schema,
-                com.google.pubsub.v1.Schema.Builder,
-                com.google.pubsub.v1.SchemaOrBuilder>(
-                getSchema(), getParentForChildren(), isClean());
+        schemaBuilder_ = new com.google.protobuf.SingleFieldBuilderV3<
+            com.google.pubsub.v1.Schema, com.google.pubsub.v1.Schema.Builder, com.google.pubsub.v1.SchemaOrBuilder>(
+                getSchema(),
+                getParentForChildren(),
+                isClean());
         schema_ = null;
       }
       return schemaBuilder_;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -848,12 +759,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ValidateSchemaRequest)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ValidateSchemaRequest)
   private static final com.google.pubsub.v1.ValidateSchemaRequest DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ValidateSchemaRequest();
   }
@@ -862,27 +773,27 @@ public static com.google.pubsub.v1.ValidateSchemaRequest getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ValidateSchemaRequest parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ValidateSchemaRequest parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -897,4 +808,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ValidateSchemaRequest getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequestOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequestOrBuilder.java
similarity index 57%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequestOrBuilder.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequestOrBuilder.java
index 751ea98d5..c40d9f9a7 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequestOrBuilder.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaRequestOrBuilder.java
@@ -1,86 +1,53 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
-public interface ValidateSchemaRequestOrBuilder
-    extends
+public interface ValidateSchemaRequestOrBuilder extends
     // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ValidateSchemaRequest)
     com.google.protobuf.MessageOrBuilder {
 
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to validate schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The parent.
    */
   java.lang.String getParent();
   /**
-   *
-   *
    * 
            * Required. The name of the project in which to validate schemas.
    * Format is `projects/{project-id}`.
    * 
        
    *
-   * 
-   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
+   * string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
    * @return The bytes for parent.
    */
-  com.google.protobuf.ByteString getParentBytes();
+  com.google.protobuf.ByteString
+      getParentBytes();
 
   /**
-   *
-   *
    * 
            * Required. The schema object to validate.
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return Whether the schema field is set.
    */
   boolean hasSchema();
   /**
-   *
-   *
    * 
            * Required. The schema object to validate.
    * 
        
    *
    * .google.pubsub.v1.Schema schema = 2 [(.google.api.field_behavior) = REQUIRED];
-   *
    * @return The schema.
    */
   com.google.pubsub.v1.Schema getSchema();
   /**
-   *
-   *
    * 
            * Required. The schema object to validate.
    * 
        
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponse.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponse.java
similarity index 62%
rename from proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponse.java
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponse.java
index 99c7e1d36..4d96e804d 100644
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponse.java
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponse.java
@@ -1,26 +1,9 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 // Generated by the protocol buffer compiler.  DO NOT EDIT!
 // source: google/pubsub/v1/schema.proto
 
 package com.google.pubsub.v1;
 
 /**
- *
- *
  * 
          * Response for the `ValidateSchema` method.
  * Empty for now.
@@ -28,41 +11,39 @@
  *
  * Protobuf type {@code google.pubsub.v1.ValidateSchemaResponse}
  */
-public final class ValidateSchemaResponse extends com.google.protobuf.GeneratedMessageV3
-    implements
+public final class ValidateSchemaResponse extends
+    com.google.protobuf.GeneratedMessageV3 implements
     // @@protoc_insertion_point(message_implements:google.pubsub.v1.ValidateSchemaResponse)
     ValidateSchemaResponseOrBuilder {
-  private static final long serialVersionUID = 0L;
+private static final long serialVersionUID = 0L;
   // Use ValidateSchemaResponse.newBuilder() to construct.
   private ValidateSchemaResponse(com.google.protobuf.GeneratedMessageV3.Builder builder) {
     super(builder);
   }
-
-  private ValidateSchemaResponse() {}
+  private ValidateSchemaResponse() {
+  }
 
   @java.lang.Override
   @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
+  protected java.lang.Object newInstance(
+      UnusedPrivateParameter unused) {
     return new ValidateSchemaResponse();
   }
 
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor;
+  public static final com.google.protobuf.Descriptors.Descriptor
+      getDescriptor() {
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor;
   }
 
   @java.lang.Override
   protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
       internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.SchemaProto
-        .internal_static_google_pubsub_v1_ValidateSchemaResponse_fieldAccessorTable
+    return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaResponse_fieldAccessorTable
         .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.ValidateSchemaResponse.class,
-            com.google.pubsub.v1.ValidateSchemaResponse.Builder.class);
+            com.google.pubsub.v1.ValidateSchemaResponse.class, com.google.pubsub.v1.ValidateSchemaResponse.Builder.class);
   }
 
   private byte memoizedIsInitialized = -1;
-
   @java.lang.Override
   public final boolean isInitialized() {
     byte isInitialized = memoizedIsInitialized;
@@ -74,7 +55,8 @@ public final boolean isInitialized() {
   }
 
   @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
+  public void writeTo(com.google.protobuf.CodedOutputStream output)
+                      throws java.io.IOException {
     getUnknownFields().writeTo(output);
   }
 
@@ -92,13 +74,12 @@ public int getSerializedSize() {
   @java.lang.Override
   public boolean equals(final java.lang.Object obj) {
     if (obj == this) {
-      return true;
+     return true;
     }
     if (!(obj instanceof com.google.pubsub.v1.ValidateSchemaResponse)) {
       return super.equals(obj);
     }
-    com.google.pubsub.v1.ValidateSchemaResponse other =
-        (com.google.pubsub.v1.ValidateSchemaResponse) obj;
+    com.google.pubsub.v1.ValidateSchemaResponse other = (com.google.pubsub.v1.ValidateSchemaResponse) obj;
 
     if (!getUnknownFields().equals(other.getUnknownFields())) return false;
     return true;
@@ -116,104 +97,99 @@ public int hashCode() {
     return hash;
   }
 
-  public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(java.nio.ByteBuffer data)
+  public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(
+      java.nio.ByteBuffer data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.nio.ByteBuffer data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(
       com.google.protobuf.ByteString data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(
       com.google.protobuf.ByteString data,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(byte[] data)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      byte[] data,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws com.google.protobuf.InvalidProtocolBufferException {
     return PARSER.parseFrom(data, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(java.io.InputStream input)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
-  public static com.google.pubsub.v1.ValidateSchemaResponse parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
+  public static com.google.pubsub.v1.ValidateSchemaResponse parseDelimitedFrom(java.io.InputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input);
   }
 
   public static com.google.pubsub.v1.ValidateSchemaResponse parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+      java.io.InputStream input,
+      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseDelimitedWithIOException(PARSER, input, extensionRegistry);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
+      com.google.protobuf.CodedInputStream input)
+      throws java.io.IOException {
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input);
   }
-
   public static com.google.pubsub.v1.ValidateSchemaResponse parseFrom(
       com.google.protobuf.CodedInputStream input,
       com.google.protobuf.ExtensionRegistryLite extensionRegistry)
       throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
+    return com.google.protobuf.GeneratedMessageV3
+        .parseWithIOException(PARSER, input, extensionRegistry);
   }
 
   @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
+  public Builder newBuilderForType() { return newBuilder(); }
   public static Builder newBuilder() {
     return DEFAULT_INSTANCE.toBuilder();
   }
-
   public static Builder newBuilder(com.google.pubsub.v1.ValidateSchemaResponse prototype) {
     return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
   }
-
   @java.lang.Override
   public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
+    return this == DEFAULT_INSTANCE
+        ? new Builder() : new Builder().mergeFrom(this);
   }
 
   @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+  protected Builder newBuilderForType(
+      com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
     Builder builder = new Builder(parent);
     return builder;
   }
   /**
-   *
-   *
    * 
            * Response for the `ValidateSchema` method.
    * Empty for now.
@@ -221,32 +197,33 @@ protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.Build
    *
    * Protobuf type {@code google.pubsub.v1.ValidateSchemaResponse}
    */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
+  public static final class Builder extends
+      com.google.protobuf.GeneratedMessageV3.Builder implements
       // @@protoc_insertion_point(builder_implements:google.pubsub.v1.ValidateSchemaResponse)
       com.google.pubsub.v1.ValidateSchemaResponseOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor;
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor;
     }
 
     @java.lang.Override
     protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
         internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateSchemaResponse_fieldAccessorTable
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaResponse_fieldAccessorTable
           .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.ValidateSchemaResponse.class,
-              com.google.pubsub.v1.ValidateSchemaResponse.Builder.class);
+              com.google.pubsub.v1.ValidateSchemaResponse.class, com.google.pubsub.v1.ValidateSchemaResponse.Builder.class);
     }
 
     // Construct using com.google.pubsub.v1.ValidateSchemaResponse.newBuilder()
-    private Builder() {}
+    private Builder() {
 
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
     }
 
+    private Builder(
+        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
+      super(parent);
+
+    }
     @java.lang.Override
     public Builder clear() {
       super.clear();
@@ -254,9 +231,9 @@ public Builder clear() {
     }
 
     @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.SchemaProto
-          .internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor;
+    public com.google.protobuf.Descriptors.Descriptor
+        getDescriptorForType() {
+      return com.google.pubsub.v1.SchemaProto.internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor;
     }
 
     @java.lang.Override
@@ -275,8 +252,7 @@ public com.google.pubsub.v1.ValidateSchemaResponse build() {
 
     @java.lang.Override
     public com.google.pubsub.v1.ValidateSchemaResponse buildPartial() {
-      com.google.pubsub.v1.ValidateSchemaResponse result =
-          new com.google.pubsub.v1.ValidateSchemaResponse(this);
+      com.google.pubsub.v1.ValidateSchemaResponse result = new com.google.pubsub.v1.ValidateSchemaResponse(this);
       onBuilt();
       return result;
     }
@@ -285,39 +261,38 @@ public com.google.pubsub.v1.ValidateSchemaResponse buildPartial() {
     public Builder clone() {
       return super.clone();
     }
-
     @java.lang.Override
     public Builder setField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.setField(field, value);
     }
-
     @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
+    public Builder clearField(
+        com.google.protobuf.Descriptors.FieldDescriptor field) {
       return super.clearField(field);
     }
-
     @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
+    public Builder clearOneof(
+        com.google.protobuf.Descriptors.OneofDescriptor oneof) {
       return super.clearOneof(oneof);
     }
-
     @java.lang.Override
     public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        int index, java.lang.Object value) {
       return super.setRepeatedField(field, index, value);
     }
-
     @java.lang.Override
     public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
+        com.google.protobuf.Descriptors.FieldDescriptor field,
+        java.lang.Object value) {
       return super.addRepeatedField(field, value);
     }
-
     @java.lang.Override
     public Builder mergeFrom(com.google.protobuf.Message other) {
       if (other instanceof com.google.pubsub.v1.ValidateSchemaResponse) {
-        return mergeFrom((com.google.pubsub.v1.ValidateSchemaResponse) other);
+        return mergeFrom((com.google.pubsub.v1.ValidateSchemaResponse)other);
       } else {
         super.mergeFrom(other);
         return this;
@@ -352,13 +327,12 @@ public Builder mergeFrom(
             case 0:
               done = true;
               break;
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
+            default: {
+              if (!super.parseUnknownField(input, extensionRegistry, tag)) {
+                done = true; // was an endgroup tag
+              }
+              break;
+            } // default:
           } // switch (tag)
         } // while (!done)
       } catch (com.google.protobuf.InvalidProtocolBufferException e) {
@@ -368,9 +342,9 @@ public Builder mergeFrom(
       } // finally
       return this;
     }
-
     @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
+    public final Builder setUnknownFields(
+        final com.google.protobuf.UnknownFieldSet unknownFields) {
       return super.setUnknownFields(unknownFields);
     }
 
@@ -380,12 +354,12 @@ public final Builder mergeUnknownFields(
       return super.mergeUnknownFields(unknownFields);
     }
 
+
     // @@protoc_insertion_point(builder_scope:google.pubsub.v1.ValidateSchemaResponse)
   }
 
   // @@protoc_insertion_point(class_scope:google.pubsub.v1.ValidateSchemaResponse)
   private static final com.google.pubsub.v1.ValidateSchemaResponse DEFAULT_INSTANCE;
-
   static {
     DEFAULT_INSTANCE = new com.google.pubsub.v1.ValidateSchemaResponse();
   }
@@ -394,27 +368,27 @@ public static com.google.pubsub.v1.ValidateSchemaResponse getDefaultInstance() {
     return DEFAULT_INSTANCE;
   }
 
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public ValidateSchemaResponse parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
+  private static final com.google.protobuf.Parser
+      PARSER = new com.google.protobuf.AbstractParser() {
+    @java.lang.Override
+    public ValidateSchemaResponse parsePartialFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      Builder builder = newBuilder();
+      try {
+        builder.mergeFrom(input, extensionRegistry);
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(builder.buildPartial());
+      } catch (com.google.protobuf.UninitializedMessageException e) {
+        throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(e)
+            .setUnfinishedMessage(builder.buildPartial());
+      }
+      return builder.buildPartial();
+    }
+  };
 
   public static com.google.protobuf.Parser parser() {
     return PARSER;
@@ -429,4 +403,6 @@ public com.google.protobuf.Parser getParserForType() {
   public com.google.pubsub.v1.ValidateSchemaResponse getDefaultInstanceForType() {
     return DEFAULT_INSTANCE;
   }
+
 }
+
diff --git a/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponseOrBuilder.java b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponseOrBuilder.java
new file mode 100644
index 000000000..b3fb35d84
--- /dev/null
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponseOrBuilder.java
@@ -0,0 +1,9 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: google/pubsub/v1/schema.proto
+
+package com.google.pubsub.v1;
+
+public interface ValidateSchemaResponseOrBuilder extends
+    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ValidateSchemaResponse)
+    com.google.protobuf.MessageOrBuilder {
+}
diff --git a/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/pubsub.proto b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/pubsub.proto
similarity index 67%
rename from proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/pubsub.proto
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/pubsub.proto
index 6f67cfd36..c548b2680 100644
--- a/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/pubsub.proto
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/pubsub.proto
@@ -53,8 +53,8 @@ service Publisher {
     option (google.api.method_signature) = "name";
   }
 
-  // Updates an existing topic. Note that certain properties of a
-  // topic are not modifiable.
+  // Updates an existing topic by updating the fields specified in the update
+  // mask. Note that certain properties of a topic are not modifiable.
   rpc UpdateTopic(UpdateTopicRequest) returns (Topic) {
     option (google.api.http) = {
       patch: "/v1/{topic.name=projects/*/topics/*}"
@@ -137,13 +137,21 @@ service Publisher {
 
 // A policy constraining the storage of messages published to the topic.
 message MessageStoragePolicy {
-  // A list of IDs of Google Cloud regions where messages that are published
-  // to the topic may be persisted in storage. Messages published by publishers
-  // running in non-allowed Google Cloud regions (or running outside of Google
-  // Cloud altogether) are routed for storage in one of the allowed regions.
-  // An empty list means that no regions are allowed, and is not a valid
-  // configuration.
-  repeated string allowed_persistence_regions = 1;
+  // Optional. A list of IDs of Google Cloud regions where messages that are
+  // published to the topic may be persisted in storage. Messages published by
+  // publishers running in non-allowed Google Cloud regions (or running outside
+  // of Google Cloud altogether) are routed for storage in one of the allowed
+  // regions. An empty list means that no regions are allowed, and is not a
+  // valid configuration.
+  repeated string allowed_persistence_regions = 1
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. If true, `allowed_persistence_regions` is also used to enforce
+  // in-transit guarantees for messages. That is, Pub/Sub will fail
+  // Publish operations on this topic and subscribe operations
+  // on any subscription attached to this topic in any region that is
+  // not in `allowed_persistence_regions`.
+  bool enforce_in_transit = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Settings for validating messages published against a schema.
@@ -157,18 +165,18 @@ message SchemaSettings {
     (google.api.resource_reference) = { type: "pubsub.googleapis.com/Schema" }
   ];
 
-  // The encoding of messages validated against `schema`.
-  Encoding encoding = 2;
+  // Optional. The encoding of messages validated against `schema`.
+  Encoding encoding = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // The minimum (inclusive) revision allowed for validating messages. If empty
-  // or not present, allow any revision to be validated against last_revision or
-  // any revision created before.
-  string first_revision_id = 3;
+  // Optional. The minimum (inclusive) revision allowed for validating messages.
+  // If empty or not present, allow any revision to be validated against
+  // last_revision or any revision created before.
+  string first_revision_id = 3 [(google.api.field_behavior) = OPTIONAL];
 
-  // The maximum (inclusive) revision allowed for validating messages. If empty
-  // or not present, allow any revision to be validated against first_revision
-  // or any revision created after.
-  string last_revision_id = 4;
+  // Optional. The maximum (inclusive) revision allowed for validating messages.
+  // If empty or not present, allow any revision to be validated against
+  // first_revision or any revision created after.
+  string last_revision_id = 4 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Settings for an ingestion data source on a topic.
@@ -266,37 +274,40 @@ message Topic {
   // must not start with `"goog"`.
   string name = 1 [(google.api.field_behavior) = REQUIRED];
 
-  // See [Creating and managing labels]
+  // Optional. See [Creating and managing labels]
   // (https://cloud.google.com/pubsub/docs/labels).
-  map labels = 2;
+  map labels = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // Policy constraining the set of Google Cloud Platform regions where messages
-  // published to the topic may be stored. If not present, then no constraints
-  // are in effect.
-  MessageStoragePolicy message_storage_policy = 3;
+  // Optional. Policy constraining the set of Google Cloud Platform regions
+  // where messages published to the topic may be stored. If not present, then
+  // no constraints are in effect.
+  MessageStoragePolicy message_storage_policy = 3
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // The resource name of the Cloud KMS CryptoKey to be used to protect access
-  // to messages published on this topic.
+  // Optional. The resource name of the Cloud KMS CryptoKey to be used to
+  // protect access to messages published on this topic.
   //
   // The expected format is `projects/*/locations/*/keyRings/*/cryptoKeys/*`.
-  string kms_key_name = 5;
+  string kms_key_name = 5 [(google.api.field_behavior) = OPTIONAL];
 
-  // Settings for validating messages published against a schema.
-  SchemaSettings schema_settings = 6;
+  // Optional. Settings for validating messages published against a schema.
+  SchemaSettings schema_settings = 6 [(google.api.field_behavior) = OPTIONAL];
 
-  // Reserved for future use. This field is set only in responses from the
-  // server; it is ignored if it is set in any requests.
-  bool satisfies_pzs = 7;
+  // Optional. Reserved for future use. This field is set only in responses from
+  // the server; it is ignored if it is set in any requests.
+  bool satisfies_pzs = 7 [(google.api.field_behavior) = OPTIONAL];
 
-  // Indicates the minimum duration to retain a message after it is published to
-  // the topic. If this field is set, messages published to the topic in the
-  // last `message_retention_duration` are always available to subscribers. For
-  // instance, it allows any attached subscription to [seek to a
+  // Optional. Indicates the minimum duration to retain a message after it is
+  // published to the topic. If this field is set, messages published to the
+  // topic in the last `message_retention_duration` are always available to
+  // subscribers. For instance, it allows any attached subscription to [seek to
+  // a
   // timestamp](https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time)
   // that is up to `message_retention_duration` in the past. If this field is
   // not set, message retention is controlled by settings on individual
   // subscriptions. Cannot be more than 31 days or less than 10 minutes.
-  google.protobuf.Duration message_retention_duration = 8;
+  google.protobuf.Duration message_retention_duration = 8
+      [(google.api.field_behavior) = OPTIONAL];
 
   // Output only. An output-only field indicating the state of the topic.
   State state = 9 [(google.api.field_behavior) = OUTPUT_ONLY];
@@ -316,14 +327,14 @@ message Topic {
 // (https://cloud.google.com/pubsub/quotas) for more information about message
 // limits.
 message PubsubMessage {
-  // The message data field. If this field is empty, the message must contain
-  // at least one attribute.
-  bytes data = 1;
+  // Optional. The message data field. If this field is empty, the message must
+  // contain at least one attribute.
+  bytes data = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // Attributes for this message. If this field is empty, the message must
-  // contain non-empty data. This can be used to filter messages on the
+  // Optional. Attributes for this message. If this field is empty, the message
+  // must contain non-empty data. This can be used to filter messages on the
   // subscription.
-  map attributes = 2;
+  map attributes = 2 [(google.api.field_behavior) = OPTIONAL];
 
   // ID of this message, assigned by the server when the message is published.
   // Guaranteed to be unique within the topic. This value may be read by a
@@ -336,15 +347,15 @@ message PubsubMessage {
   // publisher in a `Publish` call.
   google.protobuf.Timestamp publish_time = 4;
 
-  // If non-empty, identifies related messages for which publish order should be
-  // respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-  // messages published with the same non-empty `ordering_key` value will be
-  // delivered to subscribers in the order in which they are received by the
-  // Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-  // must specify the same `ordering_key` value.
-  // For more information, see [ordering
+  // Optional. If non-empty, identifies related messages for which publish order
+  // should be respected. If a `Subscription` has `enable_message_ordering` set
+  // to `true`, messages published with the same non-empty `ordering_key` value
+  // will be delivered to subscribers in the order in which they are received by
+  // the Pub/Sub system. All `PubsubMessage`s published in a given
+  // `PublishRequest` must specify the same `ordering_key` value. For more
+  // information, see [ordering
   // messages](https://cloud.google.com/pubsub/docs/ordering).
-  string ordering_key = 5;
+  string ordering_key = 5 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the GetTopic method.
@@ -386,10 +397,10 @@ message PublishRequest {
 
 // Response for the `Publish` method.
 message PublishResponse {
-  // The server-assigned ID of each published message, in the same order as
-  // the messages in the request. IDs are guaranteed to be unique within
-  // the topic.
-  repeated string message_ids = 1;
+  // Optional. The server-assigned ID of each published message, in the same
+  // order as the messages in the request. IDs are guaranteed to be unique
+  // within the topic.
+  repeated string message_ids = 1 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the `ListTopics` method.
@@ -403,23 +414,23 @@ message ListTopicsRequest {
     }
   ];
 
-  // Maximum number of topics to return.
-  int32 page_size = 2;
+  // Optional. Maximum number of topics to return.
+  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // The value returned by the last `ListTopicsResponse`; indicates that this is
-  // a continuation of a prior `ListTopics` call, and that the system should
-  // return the next page of data.
-  string page_token = 3;
+  // Optional. The value returned by the last `ListTopicsResponse`; indicates
+  // that this is a continuation of a prior `ListTopics` call, and that the
+  // system should return the next page of data.
+  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response for the `ListTopics` method.
 message ListTopicsResponse {
-  // The resulting topics.
-  repeated Topic topics = 1;
+  // Optional. The resulting topics.
+  repeated Topic topics = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // If not empty, indicates that there may be more topics that match the
-  // request; this value should be passed in a new `ListTopicsRequest`.
-  string next_page_token = 2;
+  // Optional. If not empty, indicates that there may be more topics that match
+  // the request; this value should be passed in a new `ListTopicsRequest`.
+  string next_page_token = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the `ListTopicSubscriptions` method.
@@ -431,26 +442,30 @@ message ListTopicSubscriptionsRequest {
     (google.api.resource_reference) = { type: "pubsub.googleapis.com/Topic" }
   ];
 
-  // Maximum number of subscription names to return.
-  int32 page_size = 2;
+  // Optional. Maximum number of subscription names to return.
+  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-  // that this is a continuation of a prior `ListTopicSubscriptions` call, and
-  // that the system should return the next page of data.
-  string page_token = 3;
+  // Optional. The value returned by the last `ListTopicSubscriptionsResponse`;
+  // indicates that this is a continuation of a prior `ListTopicSubscriptions`
+  // call, and that the system should return the next page of data.
+  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response for the `ListTopicSubscriptions` method.
 message ListTopicSubscriptionsResponse {
-  // The names of subscriptions attached to the topic specified in the request.
-  repeated string subscriptions = 1 [(google.api.resource_reference) = {
-    type: "pubsub.googleapis.com/Subscription"
-  }];
+  // Optional. The names of subscriptions attached to the topic specified in the
+  // request.
+  repeated string subscriptions = 1 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "pubsub.googleapis.com/Subscription"
+    }
+  ];
 
-  // If not empty, indicates that there may be more subscriptions that match
-  // the request; this value should be passed in a new
+  // Optional. If not empty, indicates that there may be more subscriptions that
+  // match the request; this value should be passed in a new
   // `ListTopicSubscriptionsRequest` to get more subscriptions.
-  string next_page_token = 2;
+  string next_page_token = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the `ListTopicSnapshots` method.
@@ -462,24 +477,24 @@ message ListTopicSnapshotsRequest {
     (google.api.resource_reference) = { type: "pubsub.googleapis.com/Topic" }
   ];
 
-  // Maximum number of snapshot names to return.
-  int32 page_size = 2;
+  // Optional. Maximum number of snapshot names to return.
+  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // The value returned by the last `ListTopicSnapshotsResponse`; indicates
-  // that this is a continuation of a prior `ListTopicSnapshots` call, and
-  // that the system should return the next page of data.
-  string page_token = 3;
+  // Optional. The value returned by the last `ListTopicSnapshotsResponse`;
+  // indicates that this is a continuation of a prior `ListTopicSnapshots` call,
+  // and that the system should return the next page of data.
+  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response for the `ListTopicSnapshots` method.
 message ListTopicSnapshotsResponse {
-  // The names of the snapshots that match the request.
-  repeated string snapshots = 1;
+  // Optional. The names of the snapshots that match the request.
+  repeated string snapshots = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // If not empty, indicates that there may be more snapshots that match
-  // the request; this value should be passed in a new
+  // Optional. If not empty, indicates that there may be more snapshots that
+  // match the request; this value should be passed in a new
   // `ListTopicSnapshotsRequest` to get more snapshots.
-  string next_page_token = 2;
+  string next_page_token = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the `DeleteTopic` method.
@@ -545,8 +560,9 @@ service Subscriber {
     option (google.api.method_signature) = "subscription";
   }
 
-  // Updates an existing subscription. Note that certain properties of a
-  // subscription, such as its topic, are not modifiable.
+  // Updates an existing subscription by updating the fields specified in the
+  // update mask. Note that certain properties of a subscription, such as its
+  // topic, are not modifiable.
   rpc UpdateSubscription(UpdateSubscriptionRequest) returns (Subscription) {
     option (google.api.http) = {
       patch: "/v1/{subscription.name=projects/*/subscriptions/*}"
@@ -691,7 +707,8 @@ service Subscriber {
     option (google.api.method_signature) = "name,subscription";
   }
 
-  // Updates an existing snapshot. Snapshots are used in
+  // Updates an existing snapshot by updating the fields specified in the update
+  // mask. Snapshots are used in
   // [Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
   // which allow you to manage message acknowledgments in bulk. That is, you can
   // set the acknowledgment state of messages in an existing subscription to the
@@ -774,23 +791,24 @@ message Subscription {
     (google.api.resource_reference) = { type: "pubsub.googleapis.com/Topic" }
   ];
 
-  // If push delivery is used with this subscription, this field is
-  // used to configure it.
-  PushConfig push_config = 4;
-
-  // If delivery to BigQuery is used with this subscription, this field is
+  // Optional. If push delivery is used with this subscription, this field is
   // used to configure it.
-  BigQueryConfig bigquery_config = 18;
+  PushConfig push_config = 4 [(google.api.field_behavior) = OPTIONAL];
 
-  // If delivery to Google Cloud Storage is used with this subscription, this
+  // Optional. If delivery to BigQuery is used with this subscription, this
   // field is used to configure it.
-  CloudStorageConfig cloud_storage_config = 22;
+  BigQueryConfig bigquery_config = 18 [(google.api.field_behavior) = OPTIONAL];
 
-  // The approximate amount of time (on a best-effort basis) Pub/Sub waits for
-  // the subscriber to acknowledge receipt before resending the message. In the
-  // interval after the message is delivered and before it is acknowledged, it
-  // is considered to be _outstanding_. During that time period, the
-  // message will not be redelivered (on a best-effort basis).
+  // Optional. If delivery to Google Cloud Storage is used with this
+  // subscription, this field is used to configure it.
+  CloudStorageConfig cloud_storage_config = 22
+      [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. The approximate amount of time (on a best-effort basis) Pub/Sub
+  // waits for the subscriber to acknowledge receipt before resending the
+  // message. In the interval after the message is delivered and before it is
+  // acknowledged, it is considered to be _outstanding_. During that time
+  // period, the message will not be redelivered (on a best-effort basis).
   //
   // For pull subscriptions, this value is used as the initial value for the ack
   // deadline. To override this value for a given message, call
@@ -806,78 +824,81 @@ message Subscription {
   //
   // If the subscriber never acknowledges the message, the Pub/Sub
   // system will eventually redeliver the message.
-  int32 ack_deadline_seconds = 5;
+  int32 ack_deadline_seconds = 5 [(google.api.field_behavior) = OPTIONAL];
 
-  // Indicates whether to retain acknowledged messages. If true, then
+  // Optional. Indicates whether to retain acknowledged messages. If true, then
   // messages are not expunged from the subscription's backlog, even if they are
   // acknowledged, until they fall out of the `message_retention_duration`
   // window. This must be true if you would like to [`Seek` to a timestamp]
   // (https://cloud.google.com/pubsub/docs/replay-overview#seek_to_a_time) in
   // the past to replay previously-acknowledged messages.
-  bool retain_acked_messages = 7;
-
-  // How long to retain unacknowledged messages in the subscription's backlog,
-  // from the moment a message is published.
-  // If `retain_acked_messages` is true, then this also configures the retention
-  // of acknowledged messages, and thus configures how far back in time a `Seek`
-  // can be done. Defaults to 7 days. Cannot be more than 7 days or less than 10
-  // minutes.
-  google.protobuf.Duration message_retention_duration = 8;
+  bool retain_acked_messages = 7 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. How long to retain unacknowledged messages in the subscription's
+  // backlog, from the moment a message is published. If `retain_acked_messages`
+  // is true, then this also configures the retention of acknowledged messages,
+  // and thus configures how far back in time a `Seek` can be done. Defaults to
+  // 7 days. Cannot be more than 7 days or less than 10 minutes.
+  google.protobuf.Duration message_retention_duration = 8
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // See [Creating and managing
+  // Optional. See [Creating and managing
   // labels](https://cloud.google.com/pubsub/docs/labels).
-  map labels = 9;
-
-  // If true, messages published with the same `ordering_key` in `PubsubMessage`
-  // will be delivered to the subscribers in the order in which they
-  // are received by the Pub/Sub system. Otherwise, they may be delivered in
-  // any order.
-  bool enable_message_ordering = 10;
-
-  // A policy that specifies the conditions for this subscription's expiration.
-  // A subscription is considered active as long as any connected subscriber is
-  // successfully consuming messages from the subscription or is issuing
-  // operations on the subscription. If `expiration_policy` is not set, a
-  // *default policy* with `ttl` of 31 days will be used. The minimum allowed
+  map labels = 9 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. If true, messages published with the same `ordering_key` in
+  // `PubsubMessage` will be delivered to the subscribers in the order in which
+  // they are received by the Pub/Sub system. Otherwise, they may be delivered
+  // in any order.
+  bool enable_message_ordering = 10 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. A policy that specifies the conditions for this subscription's
+  // expiration. A subscription is considered active as long as any connected
+  // subscriber is successfully consuming messages from the subscription or is
+  // issuing operations on the subscription. If `expiration_policy` is not set,
+  // a *default policy* with `ttl` of 31 days will be used. The minimum allowed
   // value for `expiration_policy.ttl` is 1 day. If `expiration_policy` is set,
   // but `expiration_policy.ttl` is not set, the subscription never expires.
-  ExpirationPolicy expiration_policy = 11;
+  ExpirationPolicy expiration_policy = 11
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // An expression written in the Pub/Sub [filter
+  // Optional. An expression written in the Pub/Sub [filter
   // language](https://cloud.google.com/pubsub/docs/filtering). If non-empty,
   // then only `PubsubMessage`s whose `attributes` field matches the filter are
   // delivered on this subscription. If empty, then no messages are filtered
   // out.
-  string filter = 12;
+  string filter = 12 [(google.api.field_behavior) = OPTIONAL];
 
-  // A policy that specifies the conditions for dead lettering messages in
-  // this subscription. If dead_letter_policy is not set, dead lettering
-  // is disabled.
+  // Optional. A policy that specifies the conditions for dead lettering
+  // messages in this subscription. If dead_letter_policy is not set, dead
+  // lettering is disabled.
   //
-  // The Cloud Pub/Sub service account associated with this subscriptions's
+  // The Pub/Sub service account associated with this subscriptions's
   // parent project (i.e.,
   // service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
   // permission to Acknowledge() messages on this subscription.
-  DeadLetterPolicy dead_letter_policy = 13;
+  DeadLetterPolicy dead_letter_policy = 13
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // A policy that specifies how Pub/Sub retries message delivery for this
-  // subscription.
+  // Optional. A policy that specifies how Pub/Sub retries message delivery for
+  // this subscription.
   //
   // If not set, the default retry policy is applied. This generally implies
   // that messages will be retried as soon as possible for healthy subscribers.
   // RetryPolicy will be triggered on NACKs or acknowledgement deadline
   // exceeded events for a given message.
-  RetryPolicy retry_policy = 14;
+  RetryPolicy retry_policy = 14 [(google.api.field_behavior) = OPTIONAL];
 
-  // Indicates whether the subscription is detached from its topic. Detached
-  // subscriptions don't receive messages from their topic and don't retain any
-  // backlog. `Pull` and `StreamingPull` requests will return
+  // Optional. Indicates whether the subscription is detached from its topic.
+  // Detached subscriptions don't receive messages from their topic and don't
+  // retain any backlog. `Pull` and `StreamingPull` requests will return
   // FAILED_PRECONDITION. If the subscription is a push subscription, pushes to
   // the endpoint will not be made.
-  bool detached = 15;
+  bool detached = 15 [(google.api.field_behavior) = OPTIONAL];
 
-  // If true, Pub/Sub provides the following guarantees for the delivery of
-  // a message with a given value of `message_id` on this subscription:
+  // Optional. If true, Pub/Sub provides the following guarantees for the
+  // delivery of a message with a given value of `message_id` on this
+  // subscription:
   //
   // * The message sent to a subscriber is guaranteed not to be resent
   // before the message's acknowledgement deadline expires.
@@ -887,7 +908,8 @@ message Subscription {
   // when `enable_exactly_once_delivery` is true if the message was published
   // multiple times by a publisher client. These copies are  considered distinct
   // by Pub/Sub and have distinct `message_id` values.
-  bool enable_exactly_once_delivery = 16;
+  bool enable_exactly_once_delivery = 16
+      [(google.api.field_behavior) = OPTIONAL];
 
   // Output only. Indicates the minimum duration for which a message is retained
   // after it is published to the subscription's topic. If this field is set,
@@ -903,7 +925,7 @@ message Subscription {
   State state = 19 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
-// A policy that specifies how Cloud Pub/Sub retries message delivery.
+// A policy that specifies how Pub/Sub retries message delivery.
 //
 // Retry delay will be exponential based on provided minimum and maximum
 // backoffs. https://en.wikipedia.org/wiki/Exponential_backoff.
@@ -915,13 +937,16 @@ message Subscription {
 // between consecutive deliveries may not match the configuration. That is,
 // delay can be more or less than configured backoff.
 message RetryPolicy {
-  // The minimum delay between consecutive deliveries of a given message.
-  // Value should be between 0 and 600 seconds. Defaults to 10 seconds.
-  google.protobuf.Duration minimum_backoff = 1;
+  // Optional. The minimum delay between consecutive deliveries of a given
+  // message. Value should be between 0 and 600 seconds. Defaults to 10 seconds.
+  google.protobuf.Duration minimum_backoff = 1
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // The maximum delay between consecutive deliveries of a given message.
-  // Value should be between 0 and 600 seconds. Defaults to 600 seconds.
-  google.protobuf.Duration maximum_backoff = 2;
+  // Optional. The maximum delay between consecutive deliveries of a given
+  // message. Value should be between 0 and 600 seconds. Defaults to 600
+  // seconds.
+  google.protobuf.Duration maximum_backoff = 2
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Dead lettering is done on a best effort basis. The same message might be
@@ -930,19 +955,19 @@ message RetryPolicy {
 // If validation on any of the fields fails at subscription creation/updation,
 // the create/update subscription request will fail.
 message DeadLetterPolicy {
-  // The name of the topic to which dead letter messages should be published.
-  // Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-  // account associated with the enclosing subscription's parent project (i.e.,
-  // service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-  // permission to Publish() to this topic.
+  // Optional. The name of the topic to which dead letter messages should be
+  // published. Format is `projects/{project}/topics/{topic}`.The Pub/Sub
+  // service account associated with the enclosing subscription's parent project
+  // (i.e., service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must
+  // have permission to Publish() to this topic.
   //
   // The operation will fail if the topic does not exist.
   // Users should ensure that there is a subscription attached to this topic
   // since messages published to a topic with no subscriptions are lost.
-  string dead_letter_topic = 1;
+  string dead_letter_topic = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // The maximum number of delivery attempts for any message. The value must be
-  // between 5 and 100.
+  // Optional. The maximum number of delivery attempts for any message. The
+  // value must be between 5 and 100.
   //
   // The number of delivery attempts is defined as 1 + (the sum of number of
   // NACKs and number of times the acknowledgement deadline has been exceeded
@@ -954,19 +979,19 @@ message DeadLetterPolicy {
   // This field will be honored on a best effort basis.
   //
   // If this parameter is 0, a default value of 5 is used.
-  int32 max_delivery_attempts = 2;
+  int32 max_delivery_attempts = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // A policy that specifies the conditions for resource expiration (i.e.,
 // automatic resource deletion).
 message ExpirationPolicy {
-  // Specifies the "time-to-live" duration for an associated resource. The
-  // resource expires if it is not active for a period of `ttl`. The definition
-  // of "activity" depends on the type of the associated resource. The minimum
-  // and maximum allowed values for `ttl` depend on the type of the associated
-  // resource, as well. If `ttl` is not set, the associated resource never
-  // expires.
-  google.protobuf.Duration ttl = 1;
+  // Optional. Specifies the "time-to-live" duration for an associated resource.
+  // The resource expires if it is not active for a period of `ttl`. The
+  // definition of "activity" depends on the type of the associated resource.
+  // The minimum and maximum allowed values for `ttl` depend on the type of the
+  // associated resource, as well. If `ttl` is not set, the associated resource
+  // never expires.
+  google.protobuf.Duration ttl = 1 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Configuration for a push delivery endpoint.
@@ -975,20 +1000,21 @@ message PushConfig {
   // [OpenID Connect
   // token](https://developers.google.com/identity/protocols/OpenIDConnect).
   message OidcToken {
-    // [Service account
+    // Optional. [Service account
     // email](https://cloud.google.com/iam/docs/service-accounts)
     // used for generating the OIDC token. For more information
     // on setting up authentication, see
     // [Push subscriptions](https://cloud.google.com/pubsub/docs/push).
-    string service_account_email = 1;
-
-    // Audience to be used when generating OIDC token. The audience claim
-    // identifies the recipients that the JWT is intended for. The audience
-    // value is a single case-sensitive string. Having multiple values (array)
-    // for the audience field is not supported. More info about the OIDC JWT
-    // token audience here: https://tools.ietf.org/html/rfc7519#section-4.1.3
-    // Note: if not specified, the Push endpoint URL will be used.
-    string audience = 2;
+    string service_account_email = 1 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. Audience to be used when generating OIDC token. The audience
+    // claim identifies the recipients that the JWT is intended for. The
+    // audience value is a single case-sensitive string. Having multiple values
+    // (array) for the audience field is not supported. More info about the OIDC
+    // JWT token audience here:
+    // https://tools.ietf.org/html/rfc7519#section-4.1.3 Note: if not specified,
+    // the Push endpoint URL will be used.
+    string audience = 2 [(google.api.field_behavior) = OPTIONAL];
   }
 
   // The payload to the push endpoint is in the form of the JSON representation
@@ -998,18 +1024,18 @@ message PushConfig {
 
   // Sets the `data` field as the HTTP body for delivery.
   message NoWrapper {
-    // When true, writes the Pub/Sub message metadata to
+    // Optional. When true, writes the Pub/Sub message metadata to
     // `x-goog-pubsub-:` headers of the HTTP request. Writes the
     // Pub/Sub message attributes to `:` headers of the HTTP request.
-    bool write_metadata = 1;
+    bool write_metadata = 1 [(google.api.field_behavior) = OPTIONAL];
   }
 
-  // A URL locating the endpoint to which messages should be pushed.
+  // Optional. A URL locating the endpoint to which messages should be pushed.
   // For example, a Webhook endpoint might use `https://example.com/push`.
-  string push_endpoint = 1;
+  string push_endpoint = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // Endpoint configuration attributes that can be used to control different
-  // aspects of the message delivery.
+  // Optional. Endpoint configuration attributes that can be used to control
+  // different aspects of the message delivery.
   //
   // The only currently supported attribute is `x-goog-version`, which you can
   // use to change the format of the pushed message. This attribute
@@ -1029,29 +1055,30 @@ message PushConfig {
   //
   // For example:
   // `attributes { "x-goog-version": "v1" }`
-  map attributes = 2;
+  map attributes = 2 [(google.api.field_behavior) = OPTIONAL];
 
   // An authentication method used by push endpoints to verify the source of
   // push requests. This can be used with push endpoints that are private by
-  // default to allow requests only from the Cloud Pub/Sub system, for example.
+  // default to allow requests only from the Pub/Sub system, for example.
   // This field is optional and should be set only by users interested in
   // authenticated push.
   oneof authentication_method {
-    // If specified, Pub/Sub will generate and attach an OIDC JWT token as an
-    // `Authorization` header in the HTTP request for every pushed message.
-    OidcToken oidc_token = 3;
+    // Optional. If specified, Pub/Sub will generate and attach an OIDC JWT
+    // token as an `Authorization` header in the HTTP request for every pushed
+    // message.
+    OidcToken oidc_token = 3 [(google.api.field_behavior) = OPTIONAL];
   }
 
   // The format of the delivered message to the push endpoint is defined by
   // the chosen wrapper. When unset, `PubsubWrapper` is used.
   oneof wrapper {
-    // When set, the payload to the push endpoint is in the form of the JSON
-    // representation of a PubsubMessage
+    // Optional. When set, the payload to the push endpoint is in the form of
+    // the JSON representation of a PubsubMessage
     // (https://cloud.google.com/pubsub/docs/reference/rpc/google.pubsub.v1#pubsubmessage).
-    PubsubWrapper pubsub_wrapper = 4;
+    PubsubWrapper pubsub_wrapper = 4 [(google.api.field_behavior) = OPTIONAL];
 
-    // When set, the payload to the push endpoint is not wrapped.
-    NoWrapper no_wrapper = 5;
+    // Optional. When set, the payload to the push endpoint is not wrapped.
+    NoWrapper no_wrapper = 5 [(google.api.field_behavior) = OPTIONAL];
   }
 }
 
@@ -1078,30 +1105,34 @@ message BigQueryConfig {
 
     // Cannot write to the BigQuery table due to a schema mismatch.
     SCHEMA_MISMATCH = 4;
+
+    // Cannot write to the destination because enforce_in_transit is set to true
+    // and the destination locations are not in the allowed regions.
+    IN_TRANSIT_LOCATION_RESTRICTION = 5;
   }
 
-  // The name of the table to which to write data, of the form
+  // Optional. The name of the table to which to write data, of the form
   // {projectId}.{datasetId}.{tableId}
-  string table = 1;
+  string table = 1 [(google.api.field_behavior) = OPTIONAL];
 
   // Optional. When true, use the topic's schema as the columns to write to in
   // BigQuery, if it exists. `use_topic_schema` and `use_table_schema` cannot be
   // enabled at the same time.
   bool use_topic_schema = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // When true, write the subscription name, message_id, publish_time,
+  // Optional. When true, write the subscription name, message_id, publish_time,
   // attributes, and ordering_key to additional columns in the table. The
   // subscription name, message_id, and publish_time fields are put in their own
   // columns while all other message properties (other than data) are written to
   // a JSON object in the attributes column.
-  bool write_metadata = 3;
+  bool write_metadata = 3 [(google.api.field_behavior) = OPTIONAL];
 
-  // When true and use_topic_schema is true, any fields that are a part of the
-  // topic schema that are not part of the BigQuery table schema are dropped
-  // when writing to BigQuery. Otherwise, the schemas must be kept in sync and
-  // any messages with extra fields are not written and remain in the
+  // Optional. When true and use_topic_schema is true, any fields that are a
+  // part of the topic schema that are not part of the BigQuery table schema are
+  // dropped when writing to BigQuery. Otherwise, the schemas must be kept in
+  // sync and any messages with extra fields are not written and remain in the
   // subscription's backlog.
-  bool drop_unknown_fields = 4;
+  bool drop_unknown_fields = 4 [(google.api.field_behavior) = OPTIONAL];
 
   // Output only. An output-only field that indicates whether or not the
   // subscription can receive messages.
@@ -1123,13 +1154,13 @@ message CloudStorageConfig {
   // Configuration for writing message data in Avro format.
   // Message payloads and metadata will be written to files as an Avro binary.
   message AvroConfig {
-    // When true, write the subscription name, message_id, publish_time,
-    // attributes, and ordering_key as additional fields in the output. The
-    // subscription name, message_id, and publish_time fields are put in their
-    // own fields while all other message properties other than data (for
-    // example, an ordering_key, if present) are added as entries in the
-    // attributes map.
-    bool write_metadata = 1;
+    // Optional. When true, write the subscription name, message_id,
+    // publish_time, attributes, and ordering_key as additional fields in the
+    // output. The subscription name, message_id, and publish_time fields are
+    // put in their own fields while all other message properties other than
+    // data (for example, an ordering_key, if present) are added as entries in
+    // the attributes map.
+    bool write_metadata = 1 [(google.api.field_behavior) = OPTIONAL];
   }
 
   // Possible states for a Cloud Storage subscription.
@@ -1146,6 +1177,10 @@ message CloudStorageConfig {
 
     // Cannot write to the Cloud Storage bucket because it does not exist.
     NOT_FOUND = 3;
+
+    // Cannot write to the destination because enforce_in_transit is set to true
+    // and the destination locations are not in the allowed regions.
+    IN_TRANSIT_LOCATION_RESTRICTION = 4;
   }
 
   // Required. User-provided name for the Cloud Storage bucket.
@@ -1154,33 +1189,36 @@ message CloudStorageConfig {
   // requirements] (https://cloud.google.com/storage/docs/buckets#naming).
   string bucket = 1 [(google.api.field_behavior) = REQUIRED];
 
-  // User-provided prefix for Cloud Storage filename. See the [object naming
-  // requirements](https://cloud.google.com/storage/docs/objects#naming).
-  string filename_prefix = 2;
+  // Optional. User-provided prefix for Cloud Storage filename. See the [object
+  // naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+  string filename_prefix = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // User-provided suffix for Cloud Storage filename. See the [object naming
-  // requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-  // not end in "/".
-  string filename_suffix = 3;
+  // Optional. User-provided suffix for Cloud Storage filename. See the [object
+  // naming requirements](https://cloud.google.com/storage/docs/objects#naming).
+  // Must not end in "/".
+  string filename_suffix = 3 [(google.api.field_behavior) = OPTIONAL];
 
   // Defaults to text format.
   oneof output_format {
-    // If set, message data will be written to Cloud Storage in text format.
-    TextConfig text_config = 4;
+    // Optional. If set, message data will be written to Cloud Storage in text
+    // format.
+    TextConfig text_config = 4 [(google.api.field_behavior) = OPTIONAL];
 
-    // If set, message data will be written to Cloud Storage in Avro format.
-    AvroConfig avro_config = 5;
+    // Optional. If set, message data will be written to Cloud Storage in Avro
+    // format.
+    AvroConfig avro_config = 5 [(google.api.field_behavior) = OPTIONAL];
   }
 
-  // The maximum duration that can elapse before a new Cloud Storage file is
-  // created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-  // the subscription's acknowledgement deadline.
-  google.protobuf.Duration max_duration = 6;
+  // Optional. The maximum duration that can elapse before a new Cloud Storage
+  // file is created. Min 1 minute, max 10 minutes, default 5 minutes. May not
+  // exceed the subscription's acknowledgement deadline.
+  google.protobuf.Duration max_duration = 6
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // The maximum bytes that can be written to a Cloud Storage file before a new
-  // file is created. Min 1 KB, max 10 GiB. The max_bytes limit may be exceeded
-  // in cases where messages are larger than the limit.
-  int64 max_bytes = 7;
+  // Optional. The maximum bytes that can be written to a Cloud Storage file
+  // before a new file is created. Min 1 KB, max 10 GiB. The max_bytes limit may
+  // be exceeded in cases where messages are larger than the limit.
+  int64 max_bytes = 7 [(google.api.field_behavior) = OPTIONAL];
 
   // Output only. An output-only field that indicates whether or not the
   // subscription can receive messages.
@@ -1189,14 +1227,14 @@ message CloudStorageConfig {
 
 // A message and its corresponding acknowledgment ID.
 message ReceivedMessage {
-  // This ID can be used to acknowledge the received message.
-  string ack_id = 1;
+  // Optional. This ID can be used to acknowledge the received message.
+  string ack_id = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // The message.
-  PubsubMessage message = 2;
+  // Optional. The message.
+  PubsubMessage message = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // The approximate number of times that Cloud Pub/Sub has attempted to deliver
-  // the associated message to a subscriber.
+  // Optional. The approximate number of times that Pub/Sub has attempted to
+  // deliver the associated message to a subscriber.
   //
   // More precisely, this is 1 + (number of NACKs) +
   // (number of ack_deadline exceeds) for this message.
@@ -1211,7 +1249,7 @@ message ReceivedMessage {
   // value of 1. The value is calculated at best effort and is approximate.
   //
   // If a DeadLetterPolicy is not set on the subscription, this will be 0.
-  int32 delivery_attempt = 3;
+  int32 delivery_attempt = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the GetSubscription method.
@@ -1248,24 +1286,25 @@ message ListSubscriptionsRequest {
     }
   ];
 
-  // Maximum number of subscriptions to return.
-  int32 page_size = 2;
+  // Optional. Maximum number of subscriptions to return.
+  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // The value returned by the last `ListSubscriptionsResponse`; indicates that
-  // this is a continuation of a prior `ListSubscriptions` call, and that the
-  // system should return the next page of data.
-  string page_token = 3;
+  // Optional. The value returned by the last `ListSubscriptionsResponse`;
+  // indicates that this is a continuation of a prior `ListSubscriptions` call,
+  // and that the system should return the next page of data.
+  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response for the `ListSubscriptions` method.
 message ListSubscriptionsResponse {
-  // The subscriptions that match the request.
-  repeated Subscription subscriptions = 1;
+  // Optional. The subscriptions that match the request.
+  repeated Subscription subscriptions = 1
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // If not empty, indicates that there may be more subscriptions that match
-  // the request; this value should be passed in a new
+  // Optional. If not empty, indicates that there may be more subscriptions that
+  // match the request; this value should be passed in a new
   // `ListSubscriptionsRequest` to get more subscriptions.
-  string next_page_token = 2;
+  string next_page_token = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the DeleteSubscription method.
@@ -1329,12 +1368,13 @@ message PullRequest {
 
 // Response for the `Pull` method.
 message PullResponse {
-  // Received Pub/Sub messages. The list will be empty if there are no more
-  // messages available in the backlog, or if no messages could be returned
+  // Optional. Received Pub/Sub messages. The list will be empty if there are no
+  // more messages available in the backlog, or if no messages could be returned
   // before the request timeout. For JSON, the response can be entirely
   // empty. The Pub/Sub system may return fewer than the `maxMessages` requested
   // even if there are more messages available in the backlog.
-  repeated ReceivedMessage received_messages = 1;
+  repeated ReceivedMessage received_messages = 1
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the ModifyAckDeadline method.
@@ -1358,7 +1398,8 @@ message ModifyAckDeadlineRequest {
   // delivery to another subscriber client. This typically results in an
   // increase in the rate of message redeliveries (that is, duplicates).
   // The minimum deadline you can specify is 0 seconds.
-  // The maximum deadline you can specify is 600 seconds (10 minutes).
+  // The maximum deadline you can specify in a single request is 600 seconds
+  // (10 minutes).
   int32 ack_deadline_seconds = 3 [(google.api.field_behavior) = REQUIRED];
 }
 
@@ -1394,14 +1435,15 @@ message StreamingPullRequest {
     }
   ];
 
-  // List of acknowledgement IDs for acknowledging previously received messages
-  // (received on this stream or a different stream). If an ack ID has expired,
-  // the corresponding message may be redelivered later. Acknowledging a message
-  // more than once will not result in an error. If the acknowledgement ID is
-  // malformed, the stream will be aborted with status `INVALID_ARGUMENT`.
-  repeated string ack_ids = 2;
+  // Optional. List of acknowledgement IDs for acknowledging previously received
+  // messages (received on this stream or a different stream). If an ack ID has
+  // expired, the corresponding message may be redelivered later. Acknowledging
+  // a message more than once will not result in an error. If the
+  // acknowledgement ID is malformed, the stream will be aborted with status
+  // `INVALID_ARGUMENT`.
+  repeated string ack_ids = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // The list of new ack deadlines for the IDs listed in
+  // Optional. The list of new ack deadlines for the IDs listed in
   // `modify_deadline_ack_ids`. The size of this list must be the same as the
   // size of `modify_deadline_ack_ids`. If it differs the stream will be aborted
   // with `INVALID_ARGUMENT`. Each element in this list is applied to the
@@ -1412,14 +1454,16 @@ message StreamingPullRequest {
   // the message is immediately made available for another streaming or
   // non-streaming pull request. If the value is < 0 (an error), the stream will
   // be aborted with status `INVALID_ARGUMENT`.
-  repeated int32 modify_deadline_seconds = 3;
+  repeated int32 modify_deadline_seconds = 3
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // List of acknowledgement IDs whose deadline will be modified based on the
-  // corresponding element in `modify_deadline_seconds`. This field can be used
-  // to indicate that more time is needed to process a message by the
+  // Optional. List of acknowledgement IDs whose deadline will be modified based
+  // on the corresponding element in `modify_deadline_seconds`. This field can
+  // be used to indicate that more time is needed to process a message by the
   // subscriber, or to make the message available for redelivery if the
   // processing was interrupted.
-  repeated string modify_deadline_ack_ids = 4;
+  repeated string modify_deadline_ack_ids = 4
+      [(google.api.field_behavior) = OPTIONAL];
 
   // Required. The ack deadline to use for the stream. This must be provided in
   // the first request on the stream, but it can also be updated on subsequent
@@ -1428,16 +1472,16 @@ message StreamingPullRequest {
   int32 stream_ack_deadline_seconds = 5
       [(google.api.field_behavior) = REQUIRED];
 
-  // A unique identifier that is used to distinguish client instances from each
-  // other. Only needs to be provided on the initial request. When a stream
-  // disconnects and reconnects for the same stream, the client_id should be set
-  // to the same value so that state associated with the old stream can be
-  // transferred to the new stream. The same client_id should not be used for
+  // Optional. A unique identifier that is used to distinguish client instances
+  // from each other. Only needs to be provided on the initial request. When a
+  // stream disconnects and reconnects for the same stream, the client_id should
+  // be set to the same value so that state associated with the old stream can
+  // be transferred to the new stream. The same client_id should not be used for
   // different client instances.
-  string client_id = 6;
+  string client_id = 6 [(google.api.field_behavior) = OPTIONAL];
 
-  // Flow control settings for the maximum number of outstanding messages. When
-  // there are `max_outstanding_messages` or more currently sent to the
+  // Optional. Flow control settings for the maximum number of outstanding
+  // messages. When there are `max_outstanding_messages` currently sent to the
   // streaming pull client that have not yet been acked or nacked, the server
   // stops sending more messages. The sending of messages resumes once the
   // number of outstanding messages is less than this value. If the value is
@@ -1445,18 +1489,18 @@ message StreamingPullRequest {
   // property can only be set on the initial StreamingPullRequest. If it is set
   // on a subsequent request, the stream will be aborted with status
   // `INVALID_ARGUMENT`.
-  int64 max_outstanding_messages = 7;
-
-  // Flow control settings for the maximum number of outstanding bytes. When
-  // there are `max_outstanding_bytes` or more worth of messages currently sent
-  // to the streaming pull client that have not yet been acked or nacked, the
-  // server will stop sending more messages. The sending of messages resumes
-  // once the number of outstanding bytes is less than this value. If the value
-  // is <= 0, there is no limit to the number of outstanding bytes. This
-  // property can only be set on the initial StreamingPullRequest. If it is set
-  // on a subsequent request, the stream will be aborted with status
+  int64 max_outstanding_messages = 7 [(google.api.field_behavior) = OPTIONAL];
+
+  // Optional. Flow control settings for the maximum number of outstanding
+  // bytes. When there are `max_outstanding_bytes` or more worth of messages
+  // currently sent to the streaming pull client that have not yet been acked or
+  // nacked, the server will stop sending more messages. The sending of messages
+  // resumes once the number of outstanding bytes is less than this value. If
+  // the value is <= 0, there is no limit to the number of outstanding bytes.
+  // This property can only be set on the initial StreamingPullRequest. If it is
+  // set on a subsequent request, the stream will be aborted with status
   // `INVALID_ARGUMENT`.
-  int64 max_outstanding_bytes = 8;
+  int64 max_outstanding_bytes = 8 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response for the `StreamingPull` method. This response is used to stream
@@ -1465,56 +1509,69 @@ message StreamingPullResponse {
   // Acknowledgement IDs sent in one or more previous requests to acknowledge a
   // previously received message.
   message AcknowledgeConfirmation {
-    // Successfully processed acknowledgement IDs.
-    repeated string ack_ids = 1;
-
-    // List of acknowledgement IDs that were malformed or whose acknowledgement
-    // deadline has expired.
-    repeated string invalid_ack_ids = 2;
-
-    // List of acknowledgement IDs that were out of order.
-    repeated string unordered_ack_ids = 3;
-
-    // List of acknowledgement IDs that failed processing with temporary issues.
-    repeated string temporary_failed_ack_ids = 4;
+    // Optional. Successfully processed acknowledgement IDs.
+    repeated string ack_ids = 1 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. List of acknowledgement IDs that were malformed or whose
+    // acknowledgement deadline has expired.
+    repeated string invalid_ack_ids = 2
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. List of acknowledgement IDs that were out of order.
+    repeated string unordered_ack_ids = 3
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. List of acknowledgement IDs that failed processing with
+    // temporary issues.
+    repeated string temporary_failed_ack_ids = 4
+        [(google.api.field_behavior) = OPTIONAL];
   }
 
   // Acknowledgement IDs sent in one or more previous requests to modify the
   // deadline for a specific message.
   message ModifyAckDeadlineConfirmation {
-    // Successfully processed acknowledgement IDs.
-    repeated string ack_ids = 1;
-
-    // List of acknowledgement IDs that were malformed or whose acknowledgement
-    // deadline has expired.
-    repeated string invalid_ack_ids = 2;
-
-    // List of acknowledgement IDs that failed processing with temporary issues.
-    repeated string temporary_failed_ack_ids = 3;
+    // Optional. Successfully processed acknowledgement IDs.
+    repeated string ack_ids = 1 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. List of acknowledgement IDs that were malformed or whose
+    // acknowledgement deadline has expired.
+    repeated string invalid_ack_ids = 2
+        [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. List of acknowledgement IDs that failed processing with
+    // temporary issues.
+    repeated string temporary_failed_ack_ids = 3
+        [(google.api.field_behavior) = OPTIONAL];
   }
 
   // Subscription properties sent as part of the response.
   message SubscriptionProperties {
-    // True iff exactly once delivery is enabled for this subscription.
-    bool exactly_once_delivery_enabled = 1;
+    // Optional. True iff exactly once delivery is enabled for this
+    // subscription.
+    bool exactly_once_delivery_enabled = 1
+        [(google.api.field_behavior) = OPTIONAL];
 
-    // True iff message ordering is enabled for this subscription.
-    bool message_ordering_enabled = 2;
+    // Optional. True iff message ordering is enabled for this subscription.
+    bool message_ordering_enabled = 2 [(google.api.field_behavior) = OPTIONAL];
   }
 
-  // Received Pub/Sub messages. This will not be empty.
-  repeated ReceivedMessage received_messages = 1;
+  // Optional. Received Pub/Sub messages. This will not be empty.
+  repeated ReceivedMessage received_messages = 1
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // This field will only be set if `enable_exactly_once_delivery` is set to
-  // `true`.
-  AcknowledgeConfirmation acknowledge_confirmation = 5;
+  // Optional. This field will only be set if `enable_exactly_once_delivery` is
+  // set to `true`.
+  AcknowledgeConfirmation acknowledge_confirmation = 5
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // This field will only be set if `enable_exactly_once_delivery` is set to
-  // `true`.
-  ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
+  // Optional. This field will only be set if `enable_exactly_once_delivery` is
+  // set to `true`.
+  ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // Properties associated with this subscription.
-  SubscriptionProperties subscription_properties = 4;
+  // Optional. Properties associated with this subscription.
+  SubscriptionProperties subscription_properties = 4
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the `CreateSnapshot` method.
@@ -1546,9 +1603,9 @@ message CreateSnapshotRequest {
     }
   ];
 
-  // See [Creating and managing
+  // Optional. See [Creating and managing
   // labels](https://cloud.google.com/pubsub/docs/labels).
-  map labels = 3;
+  map labels = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the UpdateSnapshot method.
@@ -1573,15 +1630,17 @@ message Snapshot {
     pattern: "projects/{project}/snapshots/{snapshot}"
   };
 
-  // The name of the snapshot.
-  string name = 1;
+  // Optional. The name of the snapshot.
+  string name = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // The name of the topic from which this snapshot is retaining messages.
+  // Optional. The name of the topic from which this snapshot is retaining
+  // messages.
   string topic = 2 [
+    (google.api.field_behavior) = OPTIONAL,
     (google.api.resource_reference) = { type: "pubsub.googleapis.com/Topic" }
   ];
 
-  // The snapshot is guaranteed to exist up until this time.
+  // Optional. The snapshot is guaranteed to exist up until this time.
   // A newly-created snapshot expires no later than 7 days from the time of its
   // creation. Its exact lifetime is determined at creation by the existing
   // backlog in the source subscription. Specifically, the lifetime of the
@@ -1591,11 +1650,12 @@ message Snapshot {
   // will always capture this 3-day-old backlog as long as the snapshot
   // exists -- will expire in 4 days. The service will refuse to create a
   // snapshot that would expire in less than 1 hour after creation.
-  google.protobuf.Timestamp expire_time = 3;
+  google.protobuf.Timestamp expire_time = 3
+      [(google.api.field_behavior) = OPTIONAL];
 
-  // See [Creating and managing labels]
+  // Optional. See [Creating and managing labels]
   // (https://cloud.google.com/pubsub/docs/labels).
-  map labels = 4;
+  map labels = 4 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the GetSnapshot method.
@@ -1619,23 +1679,24 @@ message ListSnapshotsRequest {
     }
   ];
 
-  // Maximum number of snapshots to return.
-  int32 page_size = 2;
+  // Optional. Maximum number of snapshots to return.
+  int32 page_size = 2 [(google.api.field_behavior) = OPTIONAL];
 
-  // The value returned by the last `ListSnapshotsResponse`; indicates that this
-  // is a continuation of a prior `ListSnapshots` call, and that the system
-  // should return the next page of data.
-  string page_token = 3;
+  // Optional. The value returned by the last `ListSnapshotsResponse`; indicates
+  // that this is a continuation of a prior `ListSnapshots` call, and that the
+  // system should return the next page of data.
+  string page_token = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Response for the `ListSnapshots` method.
 message ListSnapshotsResponse {
-  // The resulting snapshots.
-  repeated Snapshot snapshots = 1;
+  // Optional. The resulting snapshots.
+  repeated Snapshot snapshots = 1 [(google.api.field_behavior) = OPTIONAL];
 
-  // If not empty, indicates that there may be more snapshot that match the
-  // request; this value should be passed in a new `ListSnapshotsRequest`.
-  string next_page_token = 2;
+  // Optional. If not empty, indicates that there may be more snapshot that
+  // match the request; this value should be passed in a new
+  // `ListSnapshotsRequest`.
+  string next_page_token = 2 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request for the `DeleteSnapshot` method.
@@ -1659,7 +1720,7 @@ message SeekRequest {
   ];
 
   oneof target {
-    // The time to seek to.
+    // Optional. The time to seek to.
     // Messages retained in the subscription that were published before this
     // time are marked as acknowledged, and messages retained in the
     // subscription that were published after this time are marked as
@@ -1670,14 +1731,17 @@ message SeekRequest {
     // window (or to a point before the system's notion of the subscription
     // creation time), only retained messages will be marked as unacknowledged,
     // and already-expunged messages will not be restored.
-    google.protobuf.Timestamp time = 2;
-
-    // The snapshot to seek to. The snapshot's topic must be the same as that of
-    // the provided subscription.
-    // Format is `projects/{project}/snapshots/{snap}`.
-    string snapshot = 3 [(google.api.resource_reference) = {
-      type: "pubsub.googleapis.com/Snapshot"
-    }];
+    google.protobuf.Timestamp time = 2 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The snapshot to seek to. The snapshot's topic must be the same
+    // as that of the provided subscription. Format is
+    // `projects/{project}/snapshots/{snap}`.
+    string snapshot = 3 [
+      (google.api.field_behavior) = OPTIONAL,
+      (google.api.resource_reference) = {
+        type: "pubsub.googleapis.com/Snapshot"
+      }
+    ];
   }
 }
 
diff --git a/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/schema.proto b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/schema.proto
similarity index 99%
rename from proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/schema.proto
rename to owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/schema.proto
index 32aa0d75c..bd17cf0f8 100644
--- a/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/schema.proto
+++ b/owl-bot-staging/v1/proto-google-cloud-pubsub-v1/src/main/proto/google/pubsub/v1/schema.proto
@@ -202,8 +202,8 @@ message CreateSchemaRequest {
   // The ID to use for the schema, which will become the final component of
   // the schema's resource name.
   //
-  // See https://cloud.google.com/pubsub/docs/admin#resource_names for resource
-  // name constraints.
+  // See https://cloud.google.com/pubsub/docs/pubsub-basics#resource_names for
+  // resource name constraints.
   string schema_id = 3;
 }
 
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfigOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfigOrBuilder.java
deleted file mode 100644
index c82118ddc..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/CloudStorageConfigOrBuilder.java
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface CloudStorageConfigOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.CloudStorageConfig)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. User-provided name for the Cloud Storage bucket.
-   * The bucket must be created by the user. The bucket name must be without
-   * any prefix like "gs://". See the [bucket naming
-   * requirements] (https://cloud.google.com/storage/docs/buckets#naming).
-   * 
        
-   *
-   * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
-   * @return The bucket.
-   */
-  java.lang.String getBucket();
-  /**
-   *
-   *
-   * 
        -   * Required. User-provided name for the Cloud Storage bucket.
-   * The bucket must be created by the user. The bucket name must be without
-   * any prefix like "gs://". See the [bucket naming
-   * requirements] (https://cloud.google.com/storage/docs/buckets#naming).
-   * 
        
-   *
-   * string bucket = 1 [(.google.api.field_behavior) = REQUIRED];
-   *
-   * @return The bytes for bucket.
-   */
-  com.google.protobuf.ByteString getBucketBytes();
-
-  /**
-   *
-   *
-   * 
        -   * User-provided prefix for Cloud Storage filename. See the [object naming
-   * requirements](https://cloud.google.com/storage/docs/objects#naming).
-   * 
        
-   *
-   * string filename_prefix = 2;
-   *
-   * @return The filenamePrefix.
-   */
-  java.lang.String getFilenamePrefix();
-  /**
-   *
-   *
-   * 
        -   * User-provided prefix for Cloud Storage filename. See the [object naming
-   * requirements](https://cloud.google.com/storage/docs/objects#naming).
-   * 
        
-   *
-   * string filename_prefix = 2;
-   *
-   * @return The bytes for filenamePrefix.
-   */
-  com.google.protobuf.ByteString getFilenamePrefixBytes();
-
-  /**
-   *
-   *
-   * 
        -   * User-provided suffix for Cloud Storage filename. See the [object naming
-   * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-   * not end in "/".
-   * 
        
-   *
-   * string filename_suffix = 3;
-   *
-   * @return The filenameSuffix.
-   */
-  java.lang.String getFilenameSuffix();
-  /**
-   *
-   *
-   * 
        -   * User-provided suffix for Cloud Storage filename. See the [object naming
-   * requirements](https://cloud.google.com/storage/docs/objects#naming). Must
-   * not end in "/".
-   * 
        
-   *
-   * string filename_suffix = 3;
-   *
-   * @return The bytes for filenameSuffix.
-   */
-  com.google.protobuf.ByteString getFilenameSuffixBytes();
-
-  /**
-   *
-   *
-   * 
        -   * If set, message data will be written to Cloud Storage in text format.
-   * 
        
-   *
-   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
-   *
-   * @return Whether the textConfig field is set.
-   */
-  boolean hasTextConfig();
-  /**
-   *
-   *
-   * 
        -   * If set, message data will be written to Cloud Storage in text format.
-   * 
        
-   *
-   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
-   *
-   * @return The textConfig.
-   */
-  com.google.pubsub.v1.CloudStorageConfig.TextConfig getTextConfig();
-  /**
-   *
-   *
-   * 
        -   * If set, message data will be written to Cloud Storage in text format.
-   * 
        
-   *
-   * .google.pubsub.v1.CloudStorageConfig.TextConfig text_config = 4;
-   */
-  com.google.pubsub.v1.CloudStorageConfig.TextConfigOrBuilder getTextConfigOrBuilder();
-
-  /**
-   *
-   *
-   * 
        -   * If set, message data will be written to Cloud Storage in Avro format.
-   * 
        
-   *
-   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
-   *
-   * @return Whether the avroConfig field is set.
-   */
-  boolean hasAvroConfig();
-  /**
-   *
-   *
-   * 
        -   * If set, message data will be written to Cloud Storage in Avro format.
-   * 
        
-   *
-   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
-   *
-   * @return The avroConfig.
-   */
-  com.google.pubsub.v1.CloudStorageConfig.AvroConfig getAvroConfig();
-  /**
-   *
-   *
-   * 
        -   * If set, message data will be written to Cloud Storage in Avro format.
-   * 
        
-   *
-   * .google.pubsub.v1.CloudStorageConfig.AvroConfig avro_config = 5;
-   */
-  com.google.pubsub.v1.CloudStorageConfig.AvroConfigOrBuilder getAvroConfigOrBuilder();
-
-  /**
-   *
-   *
-   * 
        -   * The maximum duration that can elapse before a new Cloud Storage file is
-   * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-   * the subscription's acknowledgement deadline.
-   * 
        
-   *
-   * .google.protobuf.Duration max_duration = 6;
-   *
-   * @return Whether the maxDuration field is set.
-   */
-  boolean hasMaxDuration();
-  /**
-   *
-   *
-   * 
        -   * The maximum duration that can elapse before a new Cloud Storage file is
-   * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-   * the subscription's acknowledgement deadline.
-   * 
        
-   *
-   * .google.protobuf.Duration max_duration = 6;
-   *
-   * @return The maxDuration.
-   */
-  com.google.protobuf.Duration getMaxDuration();
-  /**
-   *
-   *
-   * 
        -   * The maximum duration that can elapse before a new Cloud Storage file is
-   * created. Min 1 minute, max 10 minutes, default 5 minutes. May not exceed
-   * the subscription's acknowledgement deadline.
-   * 
        
-   *
-   * .google.protobuf.Duration max_duration = 6;
-   */
-  com.google.protobuf.DurationOrBuilder getMaxDurationOrBuilder();
-
-  /**
-   *
-   *
-   * 
        -   * The maximum bytes that can be written to a Cloud Storage file before a new
-   * file is created. Min 1 KB, max 10 GiB. The max_bytes limit may be exceeded
-   * in cases where messages are larger than the limit.
-   * 
        
-   *
-   * int64 max_bytes = 7;
-   *
-   * @return The maxBytes.
-   */
-  long getMaxBytes();
-
-  /**
-   *
-   *
-   * 
        -   * Output only. An output-only field that indicates whether or not the
-   * subscription can receive messages.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
-   * @return The enum numeric value on the wire for state.
-   */
-  int getStateValue();
-  /**
-   *
-   *
-   * 
        -   * Output only. An output-only field that indicates whether or not the
-   * subscription can receive messages.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.CloudStorageConfig.State state = 9 [(.google.api.field_behavior) = OUTPUT_ONLY];
-   * 
-   *
-   * @return The state.
-   */
-  com.google.pubsub.v1.CloudStorageConfig.State getState();
-
-  com.google.pubsub.v1.CloudStorageConfig.OutputFormatCase getOutputFormatCase();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicyOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicyOrBuilder.java
deleted file mode 100644
index 243bed013..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeadLetterPolicyOrBuilder.java
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface DeadLetterPolicyOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeadLetterPolicy)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The name of the topic to which dead letter messages should be published.
-   * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-   * account associated with the enclosing subscription's parent project (i.e.,
-   * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-   * permission to Publish() to this topic.
-   *
-   * The operation will fail if the topic does not exist.
-   * Users should ensure that there is a subscription attached to this topic
-   * since messages published to a topic with no subscriptions are lost.
-   * 
        
-   *
-   * string dead_letter_topic = 1;
-   *
-   * @return The deadLetterTopic.
-   */
-  java.lang.String getDeadLetterTopic();
-  /**
-   *
-   *
-   * 
        -   * The name of the topic to which dead letter messages should be published.
-   * Format is `projects/{project}/topics/{topic}`.The Cloud Pub/Sub service
-   * account associated with the enclosing subscription's parent project (i.e.,
-   * service-{project_number}@gcp-sa-pubsub.iam.gserviceaccount.com) must have
-   * permission to Publish() to this topic.
-   *
-   * The operation will fail if the topic does not exist.
-   * Users should ensure that there is a subscription attached to this topic
-   * since messages published to a topic with no subscriptions are lost.
-   * 
        
-   *
-   * string dead_letter_topic = 1;
-   *
-   * @return The bytes for deadLetterTopic.
-   */
-  com.google.protobuf.ByteString getDeadLetterTopicBytes();
-
-  /**
-   *
-   *
-   * 
        -   * The maximum number of delivery attempts for any message. The value must be
-   * between 5 and 100.
-   *
-   * The number of delivery attempts is defined as 1 + (the sum of number of
-   * NACKs and number of times the acknowledgement deadline has been exceeded
-   * for the message).
-   *
-   * A NACK is any call to ModifyAckDeadline with a 0 deadline. Note that
-   * client libraries may automatically extend ack_deadlines.
-   *
-   * This field will be honored on a best effort basis.
-   *
-   * If this parameter is 0, a default value of 5 is used.
-   * 
        
-   *
-   * int32 max_delivery_attempts = 2;
-   *
-   * @return The maxDeliveryAttempts.
-   */
-  int getMaxDeliveryAttempts();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequestOrBuilder.java
deleted file mode 100644
index a40fb98aa..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSchemaRequestOrBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/schema.proto
-
-package com.google.pubsub.v1;
-
-public interface DeleteSchemaRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteSchemaRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. Name of the schema to delete.
-   * Format is `projects/{project}/schemas/{schema}`.
-   * 
        
-   *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The name.
-   */
-  java.lang.String getName();
-  /**
-   *
-   *
-   * 
        -   * Required. Name of the schema to delete.
-   * Format is `projects/{project}/schemas/{schema}`.
-   * 
        
-   *
-   * 
-   * string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for name.
-   */
-  com.google.protobuf.ByteString getNameBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequestOrBuilder.java
deleted file mode 100644
index 49328a977..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSnapshotRequestOrBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface DeleteSnapshotRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteSnapshotRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the snapshot to delete.
-   * Format is `projects/{project}/snapshots/{snap}`.
-   * 
        
-   *
-   * 
-   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The snapshot.
-   */
-  java.lang.String getSnapshot();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the snapshot to delete.
-   * Format is `projects/{project}/snapshots/{snap}`.
-   * 
        
-   *
-   * 
-   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for snapshot.
-   */
-  com.google.protobuf.ByteString getSnapshotBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequestOrBuilder.java
deleted file mode 100644
index 793cb2a16..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteSubscriptionRequestOrBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface DeleteSubscriptionRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteSubscriptionRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The subscription to delete.
-   * Format is `projects/{project}/subscriptions/{sub}`.
-   * 
        
-   *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The subscription.
-   */
-  java.lang.String getSubscription();
-  /**
-   *
-   *
-   * 
        -   * Required. The subscription to delete.
-   * Format is `projects/{project}/subscriptions/{sub}`.
-   * 
        
-   *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for subscription.
-   */
-  com.google.protobuf.ByteString getSubscriptionBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequestOrBuilder.java
deleted file mode 100644
index 00b6fa902..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DeleteTopicRequestOrBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface DeleteTopicRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DeleteTopicRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. Name of the topic to delete.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The topic.
-   */
-  java.lang.String getTopic();
-  /**
-   *
-   *
-   * 
        -   * Required. Name of the topic to delete.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for topic.
-   */
-  com.google.protobuf.ByteString getTopicBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequestOrBuilder.java
deleted file mode 100644
index 50b968b41..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionRequestOrBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface DetachSubscriptionRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DetachSubscriptionRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The subscription to detach.
-   * Format is `projects/{project}/subscriptions/{subscription}`.
-   * 
        
-   *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The subscription.
-   */
-  java.lang.String getSubscription();
-  /**
-   *
-   *
-   * 
        -   * Required. The subscription to detach.
-   * Format is `projects/{project}/subscriptions/{subscription}`.
-   * 
        
-   *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for subscription.
-   */
-  com.google.protobuf.ByteString getSubscriptionBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponseOrBuilder.java
deleted file mode 100644
index e667c16ef..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/DetachSubscriptionResponseOrBuilder.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface DetachSubscriptionResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.DetachSubscriptionResponse)
-    com.google.protobuf.MessageOrBuilder {}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicyOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicyOrBuilder.java
deleted file mode 100644
index e668f40af..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ExpirationPolicyOrBuilder.java
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ExpirationPolicyOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ExpirationPolicy)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Specifies the "time-to-live" duration for an associated resource. The
-   * resource expires if it is not active for a period of `ttl`. The definition
-   * of "activity" depends on the type of the associated resource. The minimum
-   * and maximum allowed values for `ttl` depend on the type of the associated
-   * resource, as well. If `ttl` is not set, the associated resource never
-   * expires.
-   * 
        
-   *
-   * .google.protobuf.Duration ttl = 1;
-   *
-   * @return Whether the ttl field is set.
-   */
-  boolean hasTtl();
-  /**
-   *
-   *
-   * 
        -   * Specifies the "time-to-live" duration for an associated resource. The
-   * resource expires if it is not active for a period of `ttl`. The definition
-   * of "activity" depends on the type of the associated resource. The minimum
-   * and maximum allowed values for `ttl` depend on the type of the associated
-   * resource, as well. If `ttl` is not set, the associated resource never
-   * expires.
-   * 
        
-   *
-   * .google.protobuf.Duration ttl = 1;
-   *
-   * @return The ttl.
-   */
-  com.google.protobuf.Duration getTtl();
-  /**
-   *
-   *
-   * 
        -   * Specifies the "time-to-live" duration for an associated resource. The
-   * resource expires if it is not active for a period of `ttl`. The definition
-   * of "activity" depends on the type of the associated resource. The minimum
-   * and maximum allowed values for `ttl` depend on the type of the associated
-   * resource, as well. If `ttl` is not set, the associated resource never
-   * expires.
-   * 
        
-   *
-   * .google.protobuf.Duration ttl = 1;
-   */
-  com.google.protobuf.DurationOrBuilder getTtlOrBuilder();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequestOrBuilder.java
deleted file mode 100644
index 2c195ca68..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSnapshotRequestOrBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface GetSnapshotRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.GetSnapshotRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the snapshot to get.
-   * Format is `projects/{project}/snapshots/{snap}`.
-   * 
        
-   *
-   * 
-   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The snapshot.
-   */
-  java.lang.String getSnapshot();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the snapshot to get.
-   * Format is `projects/{project}/snapshots/{snap}`.
-   * 
        
-   *
-   * 
-   * string snapshot = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for snapshot.
-   */
-  com.google.protobuf.ByteString getSnapshotBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequestOrBuilder.java
deleted file mode 100644
index a61e7e84f..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetSubscriptionRequestOrBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface GetSubscriptionRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.GetSubscriptionRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the subscription to get.
-   * Format is `projects/{project}/subscriptions/{sub}`.
-   * 
        
-   *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The subscription.
-   */
-  java.lang.String getSubscription();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the subscription to get.
-   * Format is `projects/{project}/subscriptions/{sub}`.
-   * 
        
-   *
-   * 
-   * string subscription = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for subscription.
-   */
-  com.google.protobuf.ByteString getSubscriptionBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequestOrBuilder.java
deleted file mode 100644
index 3e38266a3..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/GetTopicRequestOrBuilder.java
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface GetTopicRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.GetTopicRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the topic to get.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The topic.
-   */
-  java.lang.String getTopic();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the topic to get.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for topic.
-   */
-  com.google.protobuf.ByteString getTopicBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettingsOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettingsOrBuilder.java
deleted file mode 100644
index a343777ad..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/IngestionDataSourceSettingsOrBuilder.java
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface IngestionDataSourceSettingsOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.IngestionDataSourceSettings)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Optional. Amazon Kinesis Data Streams.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
-   * @return Whether the awsKinesis field is set.
-   */
-  boolean hasAwsKinesis();
-  /**
-   *
-   *
-   * 
        -   * Optional. Amazon Kinesis Data Streams.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   *
-   * @return The awsKinesis.
-   */
-  com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis getAwsKinesis();
-  /**
-   *
-   *
-   * 
        -   * Optional. Amazon Kinesis Data Streams.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.IngestionDataSourceSettings.AwsKinesis aws_kinesis = 1 [(.google.api.field_behavior) = OPTIONAL];
-   * 
-   */
-  com.google.pubsub.v1.IngestionDataSourceSettings.AwsKinesisOrBuilder getAwsKinesisOrBuilder();
-
-  com.google.pubsub.v1.IngestionDataSourceSettings.SourceCase getSourceCase();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequestOrBuilder.java
deleted file mode 100644
index 15283a74e..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsRequestOrBuilder.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListSnapshotsRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSnapshotsRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the project in which to list snapshots.
-   * Format is `projects/{project-id}`.
-   * 
        
-   *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The project.
-   */
-  java.lang.String getProject();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the project in which to list snapshots.
-   * Format is `projects/{project-id}`.
-   * 
        
-   *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for project.
-   */
-  com.google.protobuf.ByteString getProjectBytes();
-
-  /**
-   *
-   *
-   * 
        -   * Maximum number of snapshots to return.
-   * 
        
-   *
-   * int32 page_size = 2;
-   *
-   * @return The pageSize.
-   */
-  int getPageSize();
-
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListSnapshotsResponse`; indicates that this
-   * is a continuation of a prior `ListSnapshots` call, and that the system
-   * should return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The pageToken.
-   */
-  java.lang.String getPageToken();
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListSnapshotsResponse`; indicates that this
-   * is a continuation of a prior `ListSnapshots` call, and that the system
-   * should return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The bytes for pageToken.
-   */
-  com.google.protobuf.ByteString getPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponseOrBuilder.java
deleted file mode 100644
index 2f29fe20a..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSnapshotsResponseOrBuilder.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListSnapshotsResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSnapshotsResponse)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The resulting snapshots.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
-   */
-  java.util.List getSnapshotsList();
-  /**
-   *
-   *
-   * 
        -   * The resulting snapshots.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
-   */
-  com.google.pubsub.v1.Snapshot getSnapshots(int index);
-  /**
-   *
-   *
-   * 
        -   * The resulting snapshots.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
-   */
-  int getSnapshotsCount();
-  /**
-   *
-   *
-   * 
        -   * The resulting snapshots.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
-   */
-  java.util.List getSnapshotsOrBuilderList();
-  /**
-   *
-   *
-   * 
        -   * The resulting snapshots.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Snapshot snapshots = 1;
-   */
-  com.google.pubsub.v1.SnapshotOrBuilder getSnapshotsOrBuilder(int index);
-
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more snapshot that match the
-   * request; this value should be passed in a new `ListSnapshotsRequest`.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The nextPageToken.
-   */
-  java.lang.String getNextPageToken();
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more snapshot that match the
-   * request; this value should be passed in a new `ListSnapshotsRequest`.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The bytes for nextPageToken.
-   */
-  com.google.protobuf.ByteString getNextPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequestOrBuilder.java
deleted file mode 100644
index 0e58d9b98..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsRequestOrBuilder.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListSubscriptionsRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSubscriptionsRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the project in which to list subscriptions.
-   * Format is `projects/{project-id}`.
-   * 
        
-   *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The project.
-   */
-  java.lang.String getProject();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the project in which to list subscriptions.
-   * Format is `projects/{project-id}`.
-   * 
        
-   *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for project.
-   */
-  com.google.protobuf.ByteString getProjectBytes();
-
-  /**
-   *
-   *
-   * 
        -   * Maximum number of subscriptions to return.
-   * 
        
-   *
-   * int32 page_size = 2;
-   *
-   * @return The pageSize.
-   */
-  int getPageSize();
-
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListSubscriptionsResponse`; indicates that
-   * this is a continuation of a prior `ListSubscriptions` call, and that the
-   * system should return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The pageToken.
-   */
-  java.lang.String getPageToken();
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListSubscriptionsResponse`; indicates that
-   * this is a continuation of a prior `ListSubscriptions` call, and that the
-   * system should return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The bytes for pageToken.
-   */
-  com.google.protobuf.ByteString getPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponseOrBuilder.java
deleted file mode 100644
index 5e7203f01..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListSubscriptionsResponseOrBuilder.java
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListSubscriptionsResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListSubscriptionsResponse)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The subscriptions that match the request.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
-   */
-  java.util.List getSubscriptionsList();
-  /**
-   *
-   *
-   * 
        -   * The subscriptions that match the request.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
-   */
-  com.google.pubsub.v1.Subscription getSubscriptions(int index);
-  /**
-   *
-   *
-   * 
        -   * The subscriptions that match the request.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
-   */
-  int getSubscriptionsCount();
-  /**
-   *
-   *
-   * 
        -   * The subscriptions that match the request.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
-   */
-  java.util.List
-      getSubscriptionsOrBuilderList();
-  /**
-   *
-   *
-   * 
        -   * The subscriptions that match the request.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Subscription subscriptions = 1;
-   */
-  com.google.pubsub.v1.SubscriptionOrBuilder getSubscriptionsOrBuilder(int index);
-
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more subscriptions that match
-   * the request; this value should be passed in a new
-   * `ListSubscriptionsRequest` to get more subscriptions.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The nextPageToken.
-   */
-  java.lang.String getNextPageToken();
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more subscriptions that match
-   * the request; this value should be passed in a new
-   * `ListSubscriptionsRequest` to get more subscriptions.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The bytes for nextPageToken.
-   */
-  com.google.protobuf.ByteString getNextPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequestOrBuilder.java
deleted file mode 100644
index 2827c60c6..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsRequestOrBuilder.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListTopicSnapshotsRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicSnapshotsRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the topic that snapshots are attached to.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The topic.
-   */
-  java.lang.String getTopic();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the topic that snapshots are attached to.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for topic.
-   */
-  com.google.protobuf.ByteString getTopicBytes();
-
-  /**
-   *
-   *
-   * 
        -   * Maximum number of snapshot names to return.
-   * 
        
-   *
-   * int32 page_size = 2;
-   *
-   * @return The pageSize.
-   */
-  int getPageSize();
-
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-   * that this is a continuation of a prior `ListTopicSnapshots` call, and
-   * that the system should return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The pageToken.
-   */
-  java.lang.String getPageToken();
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListTopicSnapshotsResponse`; indicates
-   * that this is a continuation of a prior `ListTopicSnapshots` call, and
-   * that the system should return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The bytes for pageToken.
-   */
-  com.google.protobuf.ByteString getPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponseOrBuilder.java
deleted file mode 100644
index 50dd64085..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSnapshotsResponseOrBuilder.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListTopicSnapshotsResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicSnapshotsResponse)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The names of the snapshots that match the request.
-   * 
        
-   *
-   * repeated string snapshots = 1;
-   *
-   * @return A list containing the snapshots.
-   */
-  java.util.List getSnapshotsList();
-  /**
-   *
-   *
-   * 
        -   * The names of the snapshots that match the request.
-   * 
        
-   *
-   * repeated string snapshots = 1;
-   *
-   * @return The count of snapshots.
-   */
-  int getSnapshotsCount();
-  /**
-   *
-   *
-   * 
        -   * The names of the snapshots that match the request.
-   * 
        
-   *
-   * repeated string snapshots = 1;
-   *
-   * @param index The index of the element to return.
-   * @return The snapshots at the given index.
-   */
-  java.lang.String getSnapshots(int index);
-  /**
-   *
-   *
-   * 
        -   * The names of the snapshots that match the request.
-   * 
        
-   *
-   * repeated string snapshots = 1;
-   *
-   * @param index The index of the value to return.
-   * @return The bytes of the snapshots at the given index.
-   */
-  com.google.protobuf.ByteString getSnapshotsBytes(int index);
-
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more snapshots that match
-   * the request; this value should be passed in a new
-   * `ListTopicSnapshotsRequest` to get more snapshots.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The nextPageToken.
-   */
-  java.lang.String getNextPageToken();
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more snapshots that match
-   * the request; this value should be passed in a new
-   * `ListTopicSnapshotsRequest` to get more snapshots.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The bytes for nextPageToken.
-   */
-  com.google.protobuf.ByteString getNextPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequestOrBuilder.java
deleted file mode 100644
index 7ea7dd9e9..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsRequestOrBuilder.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListTopicSubscriptionsRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicSubscriptionsRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the topic that subscriptions are attached to.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The topic.
-   */
-  java.lang.String getTopic();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the topic that subscriptions are attached to.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for topic.
-   */
-  com.google.protobuf.ByteString getTopicBytes();
-
-  /**
-   *
-   *
-   * 
        -   * Maximum number of subscription names to return.
-   * 
        
-   *
-   * int32 page_size = 2;
-   *
-   * @return The pageSize.
-   */
-  int getPageSize();
-
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-   * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-   * that the system should return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The pageToken.
-   */
-  java.lang.String getPageToken();
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListTopicSubscriptionsResponse`; indicates
-   * that this is a continuation of a prior `ListTopicSubscriptions` call, and
-   * that the system should return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The bytes for pageToken.
-   */
-  com.google.protobuf.ByteString getPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponseOrBuilder.java
deleted file mode 100644
index fcbca36d5..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicSubscriptionsResponseOrBuilder.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListTopicSubscriptionsResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicSubscriptionsResponse)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The names of subscriptions attached to the topic specified in the request.
-   * 
        
-   *
-   * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-   *
-   * @return A list containing the subscriptions.
-   */
-  java.util.List getSubscriptionsList();
-  /**
-   *
-   *
-   * 
        -   * The names of subscriptions attached to the topic specified in the request.
-   * 
        
-   *
-   * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-   *
-   * @return The count of subscriptions.
-   */
-  int getSubscriptionsCount();
-  /**
-   *
-   *
-   * 
        -   * The names of subscriptions attached to the topic specified in the request.
-   * 
        
-   *
-   * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-   *
-   * @param index The index of the element to return.
-   * @return The subscriptions at the given index.
-   */
-  java.lang.String getSubscriptions(int index);
-  /**
-   *
-   *
-   * 
        -   * The names of subscriptions attached to the topic specified in the request.
-   * 
        
-   *
-   * repeated string subscriptions = 1 [(.google.api.resource_reference) = { ... }
-   *
-   * @param index The index of the value to return.
-   * @return The bytes of the subscriptions at the given index.
-   */
-  com.google.protobuf.ByteString getSubscriptionsBytes(int index);
-
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more subscriptions that match
-   * the request; this value should be passed in a new
-   * `ListTopicSubscriptionsRequest` to get more subscriptions.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The nextPageToken.
-   */
-  java.lang.String getNextPageToken();
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more subscriptions that match
-   * the request; this value should be passed in a new
-   * `ListTopicSubscriptionsRequest` to get more subscriptions.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The bytes for nextPageToken.
-   */
-  com.google.protobuf.ByteString getNextPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequestOrBuilder.java
deleted file mode 100644
index 921a312f9..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsRequestOrBuilder.java
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListTopicsRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicsRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the project in which to list topics.
-   * Format is `projects/{project-id}`.
-   * 
        
-   *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The project.
-   */
-  java.lang.String getProject();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the project in which to list topics.
-   * Format is `projects/{project-id}`.
-   * 
        
-   *
-   * 
-   * string project = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for project.
-   */
-  com.google.protobuf.ByteString getProjectBytes();
-
-  /**
-   *
-   *
-   * 
        -   * Maximum number of topics to return.
-   * 
        
-   *
-   * int32 page_size = 2;
-   *
-   * @return The pageSize.
-   */
-  int getPageSize();
-
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListTopicsResponse`; indicates that this is
-   * a continuation of a prior `ListTopics` call, and that the system should
-   * return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The pageToken.
-   */
-  java.lang.String getPageToken();
-  /**
-   *
-   *
-   * 
        -   * The value returned by the last `ListTopicsResponse`; indicates that this is
-   * a continuation of a prior `ListTopics` call, and that the system should
-   * return the next page of data.
-   * 
        
-   *
-   * string page_token = 3;
-   *
-   * @return The bytes for pageToken.
-   */
-  com.google.protobuf.ByteString getPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponseOrBuilder.java
deleted file mode 100644
index 1c393b59d..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ListTopicsResponseOrBuilder.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface ListTopicsResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ListTopicsResponse)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The resulting topics.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Topic topics = 1;
-   */
-  java.util.List getTopicsList();
-  /**
-   *
-   *
-   * 
        -   * The resulting topics.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Topic topics = 1;
-   */
-  com.google.pubsub.v1.Topic getTopics(int index);
-  /**
-   *
-   *
-   * 
        -   * The resulting topics.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Topic topics = 1;
-   */
-  int getTopicsCount();
-  /**
-   *
-   *
-   * 
        -   * The resulting topics.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Topic topics = 1;
-   */
-  java.util.List getTopicsOrBuilderList();
-  /**
-   *
-   *
-   * 
        -   * The resulting topics.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.Topic topics = 1;
-   */
-  com.google.pubsub.v1.TopicOrBuilder getTopicsOrBuilder(int index);
-
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more topics that match the
-   * request; this value should be passed in a new `ListTopicsRequest`.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The nextPageToken.
-   */
-  java.lang.String getNextPageToken();
-  /**
-   *
-   *
-   * 
        -   * If not empty, indicates that there may be more topics that match the
-   * request; this value should be passed in a new `ListTopicsRequest`.
-   * 
        
-   *
-   * string next_page_token = 2;
-   *
-   * @return The bytes for nextPageToken.
-   */
-  com.google.protobuf.ByteString getNextPageTokenBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicy.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicy.java
deleted file mode 100644
index ef4abe573..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicy.java
+++ /dev/null
@@ -1,786 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-/**
- *
- *
- * 
        - * A policy constraining the storage of messages published to the topic.
- * 
        
- *
- * Protobuf type {@code google.pubsub.v1.MessageStoragePolicy}
- */
-public final class MessageStoragePolicy extends com.google.protobuf.GeneratedMessageV3
-    implements
-    // @@protoc_insertion_point(message_implements:google.pubsub.v1.MessageStoragePolicy)
-    MessageStoragePolicyOrBuilder {
-  private static final long serialVersionUID = 0L;
-  // Use MessageStoragePolicy.newBuilder() to construct.
-  private MessageStoragePolicy(com.google.protobuf.GeneratedMessageV3.Builder builder) {
-    super(builder);
-  }
-
-  private MessageStoragePolicy() {
-    allowedPersistenceRegions_ = com.google.protobuf.LazyStringArrayList.emptyList();
-  }
-
-  @java.lang.Override
-  @SuppressWarnings({"unused"})
-  protected java.lang.Object newInstance(UnusedPrivateParameter unused) {
-    return new MessageStoragePolicy();
-  }
-
-  public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor;
-  }
-
-  @java.lang.Override
-  protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-      internalGetFieldAccessorTable() {
-    return com.google.pubsub.v1.PubsubProto
-        .internal_static_google_pubsub_v1_MessageStoragePolicy_fieldAccessorTable
-        .ensureFieldAccessorsInitialized(
-            com.google.pubsub.v1.MessageStoragePolicy.class,
-            com.google.pubsub.v1.MessageStoragePolicy.Builder.class);
-  }
-
-  public static final int ALLOWED_PERSISTENCE_REGIONS_FIELD_NUMBER = 1;
-
-  @SuppressWarnings("serial")
-  private com.google.protobuf.LazyStringArrayList allowedPersistenceRegions_ =
-      com.google.protobuf.LazyStringArrayList.emptyList();
-  /**
-   *
-   *
-   * 
        -   * A list of IDs of Google Cloud regions where messages that are published
-   * to the topic may be persisted in storage. Messages published by publishers
-   * running in non-allowed Google Cloud regions (or running outside of Google
-   * Cloud altogether) are routed for storage in one of the allowed regions.
-   * An empty list means that no regions are allowed, and is not a valid
-   * configuration.
-   * 
        
-   *
-   * repeated string allowed_persistence_regions = 1;
-   *
-   * @return A list containing the allowedPersistenceRegions.
-   */
-  public com.google.protobuf.ProtocolStringList getAllowedPersistenceRegionsList() {
-    return allowedPersistenceRegions_;
-  }
-  /**
-   *
-   *
-   * 
        -   * A list of IDs of Google Cloud regions where messages that are published
-   * to the topic may be persisted in storage. Messages published by publishers
-   * running in non-allowed Google Cloud regions (or running outside of Google
-   * Cloud altogether) are routed for storage in one of the allowed regions.
-   * An empty list means that no regions are allowed, and is not a valid
-   * configuration.
-   * 
        
-   *
-   * repeated string allowed_persistence_regions = 1;
-   *
-   * @return The count of allowedPersistenceRegions.
-   */
-  public int getAllowedPersistenceRegionsCount() {
-    return allowedPersistenceRegions_.size();
-  }
-  /**
-   *
-   *
-   * 
        -   * A list of IDs of Google Cloud regions where messages that are published
-   * to the topic may be persisted in storage. Messages published by publishers
-   * running in non-allowed Google Cloud regions (or running outside of Google
-   * Cloud altogether) are routed for storage in one of the allowed regions.
-   * An empty list means that no regions are allowed, and is not a valid
-   * configuration.
-   * 
        
-   *
-   * repeated string allowed_persistence_regions = 1;
-   *
-   * @param index The index of the element to return.
-   * @return The allowedPersistenceRegions at the given index.
-   */
-  public java.lang.String getAllowedPersistenceRegions(int index) {
-    return allowedPersistenceRegions_.get(index);
-  }
-  /**
-   *
-   *
-   * 
        -   * A list of IDs of Google Cloud regions where messages that are published
-   * to the topic may be persisted in storage. Messages published by publishers
-   * running in non-allowed Google Cloud regions (or running outside of Google
-   * Cloud altogether) are routed for storage in one of the allowed regions.
-   * An empty list means that no regions are allowed, and is not a valid
-   * configuration.
-   * 
        
-   *
-   * repeated string allowed_persistence_regions = 1;
-   *
-   * @param index The index of the value to return.
-   * @return The bytes of the allowedPersistenceRegions at the given index.
-   */
-  public com.google.protobuf.ByteString getAllowedPersistenceRegionsBytes(int index) {
-    return allowedPersistenceRegions_.getByteString(index);
-  }
-
-  private byte memoizedIsInitialized = -1;
-
-  @java.lang.Override
-  public final boolean isInitialized() {
-    byte isInitialized = memoizedIsInitialized;
-    if (isInitialized == 1) return true;
-    if (isInitialized == 0) return false;
-
-    memoizedIsInitialized = 1;
-    return true;
-  }
-
-  @java.lang.Override
-  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
-    for (int i = 0; i < allowedPersistenceRegions_.size(); i++) {
-      com.google.protobuf.GeneratedMessageV3.writeString(
-          output, 1, allowedPersistenceRegions_.getRaw(i));
-    }
-    getUnknownFields().writeTo(output);
-  }
-
-  @java.lang.Override
-  public int getSerializedSize() {
-    int size = memoizedSize;
-    if (size != -1) return size;
-
-    size = 0;
-    {
-      int dataSize = 0;
-      for (int i = 0; i < allowedPersistenceRegions_.size(); i++) {
-        dataSize += computeStringSizeNoTag(allowedPersistenceRegions_.getRaw(i));
-      }
-      size += dataSize;
-      size += 1 * getAllowedPersistenceRegionsList().size();
-    }
-    size += getUnknownFields().getSerializedSize();
-    memoizedSize = size;
-    return size;
-  }
-
-  @java.lang.Override
-  public boolean equals(final java.lang.Object obj) {
-    if (obj == this) {
-      return true;
-    }
-    if (!(obj instanceof com.google.pubsub.v1.MessageStoragePolicy)) {
-      return super.equals(obj);
-    }
-    com.google.pubsub.v1.MessageStoragePolicy other =
-        (com.google.pubsub.v1.MessageStoragePolicy) obj;
-
-    if (!getAllowedPersistenceRegionsList().equals(other.getAllowedPersistenceRegionsList()))
-      return false;
-    if (!getUnknownFields().equals(other.getUnknownFields())) return false;
-    return true;
-  }
-
-  @java.lang.Override
-  public int hashCode() {
-    if (memoizedHashCode != 0) {
-      return memoizedHashCode;
-    }
-    int hash = 41;
-    hash = (19 * hash) + getDescriptor().hashCode();
-    if (getAllowedPersistenceRegionsCount() > 0) {
-      hash = (37 * hash) + ALLOWED_PERSISTENCE_REGIONS_FIELD_NUMBER;
-      hash = (53 * hash) + getAllowedPersistenceRegionsList().hashCode();
-    }
-    hash = (29 * hash) + getUnknownFields().hashCode();
-    memoizedHashCode = hash;
-    return hash;
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(java.nio.ByteBuffer data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
-      java.nio.ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
-      com.google.protobuf.ByteString data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
-      com.google.protobuf.ByteString data,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(byte[] data)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
-      byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws com.google.protobuf.InvalidProtocolBufferException {
-    return PARSER.parseFrom(data, extensionRegistry);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(java.io.InputStream input)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseDelimitedFrom(
-      java.io.InputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(PARSER, input);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseDelimitedFrom(
-      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseDelimitedWithIOException(
-        PARSER, input, extensionRegistry);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
-      com.google.protobuf.CodedInputStream input) throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(PARSER, input);
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy parseFrom(
-      com.google.protobuf.CodedInputStream input,
-      com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-      throws java.io.IOException {
-    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
-        PARSER, input, extensionRegistry);
-  }
-
-  @java.lang.Override
-  public Builder newBuilderForType() {
-    return newBuilder();
-  }
-
-  public static Builder newBuilder() {
-    return DEFAULT_INSTANCE.toBuilder();
-  }
-
-  public static Builder newBuilder(com.google.pubsub.v1.MessageStoragePolicy prototype) {
-    return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
-  }
-
-  @java.lang.Override
-  public Builder toBuilder() {
-    return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
-  }
-
-  @java.lang.Override
-  protected Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-    Builder builder = new Builder(parent);
-    return builder;
-  }
-  /**
-   *
-   *
-   * 
        -   * A policy constraining the storage of messages published to the topic.
-   * 
        
-   *
-   * Protobuf type {@code google.pubsub.v1.MessageStoragePolicy}
-   */
-  public static final class Builder extends com.google.protobuf.GeneratedMessageV3.Builder
-      implements
-      // @@protoc_insertion_point(builder_implements:google.pubsub.v1.MessageStoragePolicy)
-      com.google.pubsub.v1.MessageStoragePolicyOrBuilder {
-    public static final com.google.protobuf.Descriptors.Descriptor getDescriptor() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor;
-    }
-
-    @java.lang.Override
-    protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-        internalGetFieldAccessorTable() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_MessageStoragePolicy_fieldAccessorTable
-          .ensureFieldAccessorsInitialized(
-              com.google.pubsub.v1.MessageStoragePolicy.class,
-              com.google.pubsub.v1.MessageStoragePolicy.Builder.class);
-    }
-
-    // Construct using com.google.pubsub.v1.MessageStoragePolicy.newBuilder()
-    private Builder() {}
-
-    private Builder(com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
-      super(parent);
-    }
-
-    @java.lang.Override
-    public Builder clear() {
-      super.clear();
-      bitField0_ = 0;
-      allowedPersistenceRegions_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      return this;
-    }
-
-    @java.lang.Override
-    public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
-      return com.google.pubsub.v1.PubsubProto
-          .internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor;
-    }
-
-    @java.lang.Override
-    public com.google.pubsub.v1.MessageStoragePolicy getDefaultInstanceForType() {
-      return com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance();
-    }
-
-    @java.lang.Override
-    public com.google.pubsub.v1.MessageStoragePolicy build() {
-      com.google.pubsub.v1.MessageStoragePolicy result = buildPartial();
-      if (!result.isInitialized()) {
-        throw newUninitializedMessageException(result);
-      }
-      return result;
-    }
-
-    @java.lang.Override
-    public com.google.pubsub.v1.MessageStoragePolicy buildPartial() {
-      com.google.pubsub.v1.MessageStoragePolicy result =
-          new com.google.pubsub.v1.MessageStoragePolicy(this);
-      if (bitField0_ != 0) {
-        buildPartial0(result);
-      }
-      onBuilt();
-      return result;
-    }
-
-    private void buildPartial0(com.google.pubsub.v1.MessageStoragePolicy result) {
-      int from_bitField0_ = bitField0_;
-      if (((from_bitField0_ & 0x00000001) != 0)) {
-        allowedPersistenceRegions_.makeImmutable();
-        result.allowedPersistenceRegions_ = allowedPersistenceRegions_;
-      }
-    }
-
-    @java.lang.Override
-    public Builder clone() {
-      return super.clone();
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-
-    @java.lang.Override
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-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.setField(field, value);
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-
-    @java.lang.Override
-    public Builder clearField(com.google.protobuf.Descriptors.FieldDescriptor field) {
-      return super.clearField(field);
-    }
-
-    @java.lang.Override
-    public Builder clearOneof(com.google.protobuf.Descriptors.OneofDescriptor oneof) {
-      return super.clearOneof(oneof);
-    }
-
-    @java.lang.Override
-    public Builder setRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, int index, java.lang.Object value) {
-      return super.setRepeatedField(field, index, value);
-    }
-
-    @java.lang.Override
-    public Builder addRepeatedField(
-        com.google.protobuf.Descriptors.FieldDescriptor field, java.lang.Object value) {
-      return super.addRepeatedField(field, value);
-    }
-
-    @java.lang.Override
-    public Builder mergeFrom(com.google.protobuf.Message other) {
-      if (other instanceof com.google.pubsub.v1.MessageStoragePolicy) {
-        return mergeFrom((com.google.pubsub.v1.MessageStoragePolicy) other);
-      } else {
-        super.mergeFrom(other);
-        return this;
-      }
-    }
-
-    public Builder mergeFrom(com.google.pubsub.v1.MessageStoragePolicy other) {
-      if (other == com.google.pubsub.v1.MessageStoragePolicy.getDefaultInstance()) return this;
-      if (!other.allowedPersistenceRegions_.isEmpty()) {
-        if (allowedPersistenceRegions_.isEmpty()) {
-          allowedPersistenceRegions_ = other.allowedPersistenceRegions_;
-          bitField0_ |= 0x00000001;
-        } else {
-          ensureAllowedPersistenceRegionsIsMutable();
-          allowedPersistenceRegions_.addAll(other.allowedPersistenceRegions_);
-        }
-        onChanged();
-      }
-      this.mergeUnknownFields(other.getUnknownFields());
-      onChanged();
-      return this;
-    }
-
-    @java.lang.Override
-    public final boolean isInitialized() {
-      return true;
-    }
-
-    @java.lang.Override
-    public Builder mergeFrom(
-        com.google.protobuf.CodedInputStream input,
-        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-        throws java.io.IOException {
-      if (extensionRegistry == null) {
-        throw new java.lang.NullPointerException();
-      }
-      try {
-        boolean done = false;
-        while (!done) {
-          int tag = input.readTag();
-          switch (tag) {
-            case 0:
-              done = true;
-              break;
-            case 10:
-              {
-                java.lang.String s = input.readStringRequireUtf8();
-                ensureAllowedPersistenceRegionsIsMutable();
-                allowedPersistenceRegions_.add(s);
-                break;
-              } // case 10
-            default:
-              {
-                if (!super.parseUnknownField(input, extensionRegistry, tag)) {
-                  done = true; // was an endgroup tag
-                }
-                break;
-              } // default:
-          } // switch (tag)
-        } // while (!done)
-      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-        throw e.unwrapIOException();
-      } finally {
-        onChanged();
-      } // finally
-      return this;
-    }
-
-    private int bitField0_;
-
-    private com.google.protobuf.LazyStringArrayList allowedPersistenceRegions_ =
-        com.google.protobuf.LazyStringArrayList.emptyList();
-
-    private void ensureAllowedPersistenceRegionsIsMutable() {
-      if (!allowedPersistenceRegions_.isModifiable()) {
-        allowedPersistenceRegions_ =
-            new com.google.protobuf.LazyStringArrayList(allowedPersistenceRegions_);
-      }
-      bitField0_ |= 0x00000001;
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @return A list containing the allowedPersistenceRegions.
-     */
-    public com.google.protobuf.ProtocolStringList getAllowedPersistenceRegionsList() {
-      allowedPersistenceRegions_.makeImmutable();
-      return allowedPersistenceRegions_;
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @return The count of allowedPersistenceRegions.
-     */
-    public int getAllowedPersistenceRegionsCount() {
-      return allowedPersistenceRegions_.size();
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @param index The index of the element to return.
-     * @return The allowedPersistenceRegions at the given index.
-     */
-    public java.lang.String getAllowedPersistenceRegions(int index) {
-      return allowedPersistenceRegions_.get(index);
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @param index The index of the value to return.
-     * @return The bytes of the allowedPersistenceRegions at the given index.
-     */
-    public com.google.protobuf.ByteString getAllowedPersistenceRegionsBytes(int index) {
-      return allowedPersistenceRegions_.getByteString(index);
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @param index The index to set the value at.
-     * @param value The allowedPersistenceRegions to set.
-     * @return This builder for chaining.
-     */
-    public Builder setAllowedPersistenceRegions(int index, java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      ensureAllowedPersistenceRegionsIsMutable();
-      allowedPersistenceRegions_.set(index, value);
-      bitField0_ |= 0x00000001;
-      onChanged();
-      return this;
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @param value The allowedPersistenceRegions to add.
-     * @return This builder for chaining.
-     */
-    public Builder addAllowedPersistenceRegions(java.lang.String value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      ensureAllowedPersistenceRegionsIsMutable();
-      allowedPersistenceRegions_.add(value);
-      bitField0_ |= 0x00000001;
-      onChanged();
-      return this;
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @param values The allowedPersistenceRegions to add.
-     * @return This builder for chaining.
-     */
-    public Builder addAllAllowedPersistenceRegions(java.lang.Iterable values) {
-      ensureAllowedPersistenceRegionsIsMutable();
-      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, allowedPersistenceRegions_);
-      bitField0_ |= 0x00000001;
-      onChanged();
-      return this;
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @return This builder for chaining.
-     */
-    public Builder clearAllowedPersistenceRegions() {
-      allowedPersistenceRegions_ = com.google.protobuf.LazyStringArrayList.emptyList();
-      bitField0_ = (bitField0_ & ~0x00000001);
-      ;
-      onChanged();
-      return this;
-    }
-    /**
-     *
-     *
-     * 
        -     * A list of IDs of Google Cloud regions where messages that are published
-     * to the topic may be persisted in storage. Messages published by publishers
-     * running in non-allowed Google Cloud regions (or running outside of Google
-     * Cloud altogether) are routed for storage in one of the allowed regions.
-     * An empty list means that no regions are allowed, and is not a valid
-     * configuration.
-     * 
        
-     *
-     * repeated string allowed_persistence_regions = 1;
-     *
-     * @param value The bytes of the allowedPersistenceRegions to add.
-     * @return This builder for chaining.
-     */
-    public Builder addAllowedPersistenceRegionsBytes(com.google.protobuf.ByteString value) {
-      if (value == null) {
-        throw new NullPointerException();
-      }
-      checkByteStringIsUtf8(value);
-      ensureAllowedPersistenceRegionsIsMutable();
-      allowedPersistenceRegions_.add(value);
-      bitField0_ |= 0x00000001;
-      onChanged();
-      return this;
-    }
-
-    @java.lang.Override
-    public final Builder setUnknownFields(final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.setUnknownFields(unknownFields);
-    }
-
-    @java.lang.Override
-    public final Builder mergeUnknownFields(
-        final com.google.protobuf.UnknownFieldSet unknownFields) {
-      return super.mergeUnknownFields(unknownFields);
-    }
-
-    // @@protoc_insertion_point(builder_scope:google.pubsub.v1.MessageStoragePolicy)
-  }
-
-  // @@protoc_insertion_point(class_scope:google.pubsub.v1.MessageStoragePolicy)
-  private static final com.google.pubsub.v1.MessageStoragePolicy DEFAULT_INSTANCE;
-
-  static {
-    DEFAULT_INSTANCE = new com.google.pubsub.v1.MessageStoragePolicy();
-  }
-
-  public static com.google.pubsub.v1.MessageStoragePolicy getDefaultInstance() {
-    return DEFAULT_INSTANCE;
-  }
-
-  private static final com.google.protobuf.Parser PARSER =
-      new com.google.protobuf.AbstractParser() {
-        @java.lang.Override
-        public MessageStoragePolicy parsePartialFrom(
-            com.google.protobuf.CodedInputStream input,
-            com.google.protobuf.ExtensionRegistryLite extensionRegistry)
-            throws com.google.protobuf.InvalidProtocolBufferException {
-          Builder builder = newBuilder();
-          try {
-            builder.mergeFrom(input, extensionRegistry);
-          } catch (com.google.protobuf.InvalidProtocolBufferException e) {
-            throw e.setUnfinishedMessage(builder.buildPartial());
-          } catch (com.google.protobuf.UninitializedMessageException e) {
-            throw e.asInvalidProtocolBufferException().setUnfinishedMessage(builder.buildPartial());
-          } catch (java.io.IOException e) {
-            throw new com.google.protobuf.InvalidProtocolBufferException(e)
-                .setUnfinishedMessage(builder.buildPartial());
-          }
-          return builder.buildPartial();
-        }
-      };
-
-  public static com.google.protobuf.Parser parser() {
-    return PARSER;
-  }
-
-  @java.lang.Override
-  public com.google.protobuf.Parser getParserForType() {
-    return PARSER;
-  }
-
-  @java.lang.Override
-  public com.google.pubsub.v1.MessageStoragePolicy getDefaultInstanceForType() {
-    return DEFAULT_INSTANCE;
-  }
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicyOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicyOrBuilder.java
deleted file mode 100644
index 182d04967..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/MessageStoragePolicyOrBuilder.java
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface MessageStoragePolicyOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.MessageStoragePolicy)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * A list of IDs of Google Cloud regions where messages that are published
-   * to the topic may be persisted in storage. Messages published by publishers
-   * running in non-allowed Google Cloud regions (or running outside of Google
-   * Cloud altogether) are routed for storage in one of the allowed regions.
-   * An empty list means that no regions are allowed, and is not a valid
-   * configuration.
-   * 
        
-   *
-   * repeated string allowed_persistence_regions = 1;
-   *
-   * @return A list containing the allowedPersistenceRegions.
-   */
-  java.util.List getAllowedPersistenceRegionsList();
-  /**
-   *
-   *
-   * 
        -   * A list of IDs of Google Cloud regions where messages that are published
-   * to the topic may be persisted in storage. Messages published by publishers
-   * running in non-allowed Google Cloud regions (or running outside of Google
-   * Cloud altogether) are routed for storage in one of the allowed regions.
-   * An empty list means that no regions are allowed, and is not a valid
-   * configuration.
-   * 
        
-   *
-   * repeated string allowed_persistence_regions = 1;
-   *
-   * @return The count of allowedPersistenceRegions.
-   */
-  int getAllowedPersistenceRegionsCount();
-  /**
-   *
-   *
-   * 
        -   * A list of IDs of Google Cloud regions where messages that are published
-   * to the topic may be persisted in storage. Messages published by publishers
-   * running in non-allowed Google Cloud regions (or running outside of Google
-   * Cloud altogether) are routed for storage in one of the allowed regions.
-   * An empty list means that no regions are allowed, and is not a valid
-   * configuration.
-   * 
        
-   *
-   * repeated string allowed_persistence_regions = 1;
-   *
-   * @param index The index of the element to return.
-   * @return The allowedPersistenceRegions at the given index.
-   */
-  java.lang.String getAllowedPersistenceRegions(int index);
-  /**
-   *
-   *
-   * 
        -   * A list of IDs of Google Cloud regions where messages that are published
-   * to the topic may be persisted in storage. Messages published by publishers
-   * running in non-allowed Google Cloud regions (or running outside of Google
-   * Cloud altogether) are routed for storage in one of the allowed regions.
-   * An empty list means that no regions are allowed, and is not a valid
-   * configuration.
-   * 
        
-   *
-   * repeated string allowed_persistence_regions = 1;
-   *
-   * @param index The index of the value to return.
-   * @return The bytes of the allowedPersistenceRegions at the given index.
-   */
-  com.google.protobuf.ByteString getAllowedPersistenceRegionsBytes(int index);
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequestOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequestOrBuilder.java
deleted file mode 100644
index c4309802a..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishRequestOrBuilder.java
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface PublishRequestOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PublishRequest)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The messages in the request will be published on this topic.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The topic.
-   */
-  java.lang.String getTopic();
-  /**
-   *
-   *
-   * 
        -   * Required. The messages in the request will be published on this topic.
-   * Format is `projects/{project}/topics/{topic}`.
-   * 
        
-   *
-   * 
-   * string topic = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for topic.
-   */
-  com.google.protobuf.ByteString getTopicBytes();
-
-  /**
-   *
-   *
-   * 
        -   * Required. The messages to publish.
-   * 
        
-   *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   */
-  java.util.List getMessagesList();
-  /**
-   *
-   *
-   * 
        -   * Required. The messages to publish.
-   * 
        
-   *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   */
-  com.google.pubsub.v1.PubsubMessage getMessages(int index);
-  /**
-   *
-   *
-   * 
        -   * Required. The messages to publish.
-   * 
        
-   *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   */
-  int getMessagesCount();
-  /**
-   *
-   *
-   * 
        -   * Required. The messages to publish.
-   * 
        
-   *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   */
-  java.util.List getMessagesOrBuilderList();
-  /**
-   *
-   *
-   * 
        -   * Required. The messages to publish.
-   * 
        
-   *
-   * 
-   * repeated .google.pubsub.v1.PubsubMessage messages = 2 [(.google.api.field_behavior) = REQUIRED];
-   * 
-   */
-  com.google.pubsub.v1.PubsubMessageOrBuilder getMessagesOrBuilder(int index);
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponseOrBuilder.java
deleted file mode 100644
index e78a34bf6..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PublishResponseOrBuilder.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface PublishResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PublishResponse)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The server-assigned ID of each published message, in the same order as
-   * the messages in the request. IDs are guaranteed to be unique within
-   * the topic.
-   * 
        
-   *
-   * repeated string message_ids = 1;
-   *
-   * @return A list containing the messageIds.
-   */
-  java.util.List getMessageIdsList();
-  /**
-   *
-   *
-   * 
        -   * The server-assigned ID of each published message, in the same order as
-   * the messages in the request. IDs are guaranteed to be unique within
-   * the topic.
-   * 
        
-   *
-   * repeated string message_ids = 1;
-   *
-   * @return The count of messageIds.
-   */
-  int getMessageIdsCount();
-  /**
-   *
-   *
-   * 
        -   * The server-assigned ID of each published message, in the same order as
-   * the messages in the request. IDs are guaranteed to be unique within
-   * the topic.
-   * 
        
-   *
-   * repeated string message_ids = 1;
-   *
-   * @param index The index of the element to return.
-   * @return The messageIds at the given index.
-   */
-  java.lang.String getMessageIds(int index);
-  /**
-   *
-   *
-   * 
        -   * The server-assigned ID of each published message, in the same order as
-   * the messages in the request. IDs are guaranteed to be unique within
-   * the topic.
-   * 
        
-   *
-   * repeated string message_ids = 1;
-   *
-   * @param index The index of the value to return.
-   * @return The bytes of the messageIds at the given index.
-   */
-  com.google.protobuf.ByteString getMessageIdsBytes(int index);
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessageOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessageOrBuilder.java
deleted file mode 100644
index 78502f536..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubMessageOrBuilder.java
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface PubsubMessageOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.PubsubMessage)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The message data field. If this field is empty, the message must contain
-   * at least one attribute.
-   * 
        
-   *
-   * bytes data = 1;
-   *
-   * @return The data.
-   */
-  com.google.protobuf.ByteString getData();
-
-  /**
-   *
-   *
-   * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
-   * subscription.
-   * 
        
-   *
-   * map<string, string> attributes = 2;
-   */
-  int getAttributesCount();
-  /**
-   *
-   *
-   * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
-   * subscription.
-   * 
        
-   *
-   * map<string, string> attributes = 2;
-   */
-  boolean containsAttributes(java.lang.String key);
-  /** Use {@link #getAttributesMap()} instead. */
-  @java.lang.Deprecated
-  java.util.Map getAttributes();
-  /**
-   *
-   *
-   * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
-   * subscription.
-   * 
        
-   *
-   * map<string, string> attributes = 2;
-   */
-  java.util.Map getAttributesMap();
-  /**
-   *
-   *
-   * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
-   * subscription.
-   * 
        
-   *
-   * map<string, string> attributes = 2;
-   */
-  /* nullable */
-  java.lang.String getAttributesOrDefault(
-      java.lang.String key,
-      /* nullable */
-      java.lang.String defaultValue);
-  /**
-   *
-   *
-   * 
        -   * Attributes for this message. If this field is empty, the message must
-   * contain non-empty data. This can be used to filter messages on the
-   * subscription.
-   * 
        
-   *
-   * map<string, string> attributes = 2;
-   */
-  java.lang.String getAttributesOrThrow(java.lang.String key);
-
-  /**
-   *
-   *
-   * 
        -   * ID of this message, assigned by the server when the message is published.
-   * Guaranteed to be unique within the topic. This value may be read by a
-   * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
-   * delivery. It must not be populated by the publisher in a `Publish` call.
-   * 
        
-   *
-   * string message_id = 3;
-   *
-   * @return The messageId.
-   */
-  java.lang.String getMessageId();
-  /**
-   *
-   *
-   * 
        -   * ID of this message, assigned by the server when the message is published.
-   * Guaranteed to be unique within the topic. This value may be read by a
-   * subscriber that receives a `PubsubMessage` via a `Pull` call or a push
-   * delivery. It must not be populated by the publisher in a `Publish` call.
-   * 
        
-   *
-   * string message_id = 3;
-   *
-   * @return The bytes for messageId.
-   */
-  com.google.protobuf.ByteString getMessageIdBytes();
-
-  /**
-   *
-   *
-   * 
        -   * The time at which the message was published, populated by the server when
-   * it receives the `Publish` call. It must not be populated by the
-   * publisher in a `Publish` call.
-   * 
        
-   *
-   * .google.protobuf.Timestamp publish_time = 4;
-   *
-   * @return Whether the publishTime field is set.
-   */
-  boolean hasPublishTime();
-  /**
-   *
-   *
-   * 
        -   * The time at which the message was published, populated by the server when
-   * it receives the `Publish` call. It must not be populated by the
-   * publisher in a `Publish` call.
-   * 
        
-   *
-   * .google.protobuf.Timestamp publish_time = 4;
-   *
-   * @return The publishTime.
-   */
-  com.google.protobuf.Timestamp getPublishTime();
-  /**
-   *
-   *
-   * 
        -   * The time at which the message was published, populated by the server when
-   * it receives the `Publish` call. It must not be populated by the
-   * publisher in a `Publish` call.
-   * 
        
-   *
-   * .google.protobuf.Timestamp publish_time = 4;
-   */
-  com.google.protobuf.TimestampOrBuilder getPublishTimeOrBuilder();
-
-  /**
-   *
-   *
-   * 
        -   * If non-empty, identifies related messages for which publish order should be
-   * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-   * messages published with the same non-empty `ordering_key` value will be
-   * delivered to subscribers in the order in which they are received by the
-   * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-   * must specify the same `ordering_key` value.
-   * For more information, see [ordering
-   * messages](https://cloud.google.com/pubsub/docs/ordering).
-   * 
        
-   *
-   * string ordering_key = 5;
-   *
-   * @return The orderingKey.
-   */
-  java.lang.String getOrderingKey();
-  /**
-   *
-   *
-   * 
        -   * If non-empty, identifies related messages for which publish order should be
-   * respected. If a `Subscription` has `enable_message_ordering` set to `true`,
-   * messages published with the same non-empty `ordering_key` value will be
-   * delivered to subscribers in the order in which they are received by the
-   * Pub/Sub system. All `PubsubMessage`s published in a given `PublishRequest`
-   * must specify the same `ordering_key` value.
-   * For more information, see [ordering
-   * messages](https://cloud.google.com/pubsub/docs/ordering).
-   * 
        
-   *
-   * string ordering_key = 5;
-   *
-   * @return The bytes for orderingKey.
-   */
-  com.google.protobuf.ByteString getOrderingKeyBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubProto.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubProto.java
deleted file mode 100644
index e5896ab04..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/PubsubProto.java
+++ /dev/null
@@ -1,1217 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public final class PubsubProto {
-  private PubsubProto() {}
-
-  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
-
-  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
-    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
-  }
-
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-      internal_static_google_pubsub_v1_MessageStoragePolicy_descriptor;
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-      internal_static_google_pubsub_v1_MessageStoragePolicy_fieldAccessorTable;
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-      internal_static_google_pubsub_v1_SchemaSettings_descriptor;
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-      internal_static_google_pubsub_v1_SchemaSettings_fieldAccessorTable;
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-      internal_static_google_pubsub_v1_IngestionDataSourceSettings_descriptor;
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-              "Snapshots", "NextPageToken",
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-            internal_static_google_pubsub_v1_DeleteSnapshotRequest_descriptor,
-            new java.lang.String[] {
-              "Snapshot",
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-            internal_static_google_pubsub_v1_SeekRequest_descriptor,
-            new java.lang.String[] {
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-        getDescriptor().getMessageTypes().get(46);
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-    registry.add(com.google.api.ClientProto.defaultHost);
-    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
-    registry.add(com.google.api.AnnotationsProto.http);
-    registry.add(com.google.api.ClientProto.methodSignature);
-    registry.add(com.google.api.ClientProto.oauthScopes);
-    registry.add(com.google.api.ResourceProto.resource);
-    registry.add(com.google.api.ResourceProto.resourceReference);
-    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
-        descriptor, registry);
-    com.google.api.AnnotationsProto.getDescriptor();
-    com.google.api.ClientProto.getDescriptor();
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
-    com.google.protobuf.DurationProto.getDescriptor();
-    com.google.protobuf.EmptyProto.getDescriptor();
-    com.google.protobuf.FieldMaskProto.getDescriptor();
-    com.google.protobuf.TimestampProto.getDescriptor();
-    com.google.pubsub.v1.SchemaProto.getDescriptor();
-  }
-
-  // @@protoc_insertion_point(outer_class_scope)
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicyOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicyOrBuilder.java
deleted file mode 100644
index 4e0a74b4e..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/RetryPolicyOrBuilder.java
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface RetryPolicyOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.RetryPolicy)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * The minimum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
-   * 
        
-   *
-   * .google.protobuf.Duration minimum_backoff = 1;
-   *
-   * @return Whether the minimumBackoff field is set.
-   */
-  boolean hasMinimumBackoff();
-  /**
-   *
-   *
-   * 
        -   * The minimum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
-   * 
        
-   *
-   * .google.protobuf.Duration minimum_backoff = 1;
-   *
-   * @return The minimumBackoff.
-   */
-  com.google.protobuf.Duration getMinimumBackoff();
-  /**
-   *
-   *
-   * 
        -   * The minimum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 10 seconds.
-   * 
        
-   *
-   * .google.protobuf.Duration minimum_backoff = 1;
-   */
-  com.google.protobuf.DurationOrBuilder getMinimumBackoffOrBuilder();
-
-  /**
-   *
-   *
-   * 
        -   * The maximum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
-   * 
        
-   *
-   * .google.protobuf.Duration maximum_backoff = 2;
-   *
-   * @return Whether the maximumBackoff field is set.
-   */
-  boolean hasMaximumBackoff();
-  /**
-   *
-   *
-   * 
        -   * The maximum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
-   * 
        
-   *
-   * .google.protobuf.Duration maximum_backoff = 2;
-   *
-   * @return The maximumBackoff.
-   */
-  com.google.protobuf.Duration getMaximumBackoff();
-  /**
-   *
-   *
-   * 
        -   * The maximum delay between consecutive deliveries of a given message.
-   * Value should be between 0 and 600 seconds. Defaults to 600 seconds.
-   * 
        
-   *
-   * .google.protobuf.Duration maximum_backoff = 2;
-   */
-  com.google.protobuf.DurationOrBuilder getMaximumBackoffOrBuilder();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaProto.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaProto.java
deleted file mode 100644
index d04c35cb0..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaProto.java
+++ /dev/null
@@ -1,352 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/schema.proto
-
-package com.google.pubsub.v1;
-
-public final class SchemaProto {
-  private SchemaProto() {}
-
-  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistryLite registry) {}
-
-  public static void registerAllExtensions(com.google.protobuf.ExtensionRegistry registry) {
-    registerAllExtensions((com.google.protobuf.ExtensionRegistryLite) registry);
-  }
-
-  static final com.google.protobuf.Descriptors.Descriptor
-      internal_static_google_pubsub_v1_Schema_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-      internal_static_google_pubsub_v1_Schema_fieldAccessorTable;
-  static final com.google.protobuf.Descriptors.Descriptor
-      internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-      internal_static_google_pubsub_v1_CreateSchemaRequest_fieldAccessorTable;
-  static final com.google.protobuf.Descriptors.Descriptor
-      internal_static_google_pubsub_v1_GetSchemaRequest_descriptor;
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-      internal_static_google_pubsub_v1_GetSchemaRequest_fieldAccessorTable;
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-      internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
-      internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_fieldAccessorTable;
-  static final com.google.protobuf.Descriptors.Descriptor
-      internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor;
-  static final com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
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-      internal_static_google_pubsub_v1_CommitSchemaRequest_fieldAccessorTable;
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-      internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor;
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-    return descriptor;
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-
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-
-  static {
-    java.lang.String[] descriptorData = {
-      "\n\035google/pubsub/v1/schema.proto\022\020google."
-          + "pubsub.v1\032\034google/api/annotations.proto\032"
-          + "\027google/api/client.proto\032\037google/api/fie"
-          + "ld_behavior.proto\032\031google/api/resource.p"
-          + "roto\032\033google/protobuf/empty.proto\032\037googl"
-          + "e/protobuf/timestamp.proto\"\276\002\n\006Schema\022\022\n"
-          + "\004name\030\001 \001(\tB\004\342A\001\002\022+\n\004type\030\002 \001(\0162\035.google"
-          + ".pubsub.v1.Schema.Type\022\022\n\ndefinition\030\003 \001"
-          + "(\t\022\032\n\013revision_id\030\004 \001(\tB\005\342A\002\005\003\022>\n\024revisi"
-          + "on_create_time\030\006 \001(\0132\032.google.protobuf.T"
-          + "imestampB\004\342A\001\003\";\n\004Type\022\024\n\020TYPE_UNSPECIFI"
-          + "ED\020\000\022\023\n\017PROTOCOL_BUFFER\020\001\022\010\n\004AVRO\020\002:F\352AC"
-          + "\n\034pubsub.googleapis.com/Schema\022#projects"
-          + "/{project}/schemas/{schema}\"\217\001\n\023CreateSc"
-          + "hemaRequest\0225\n\006parent\030\001 \001(\tB%\342A\001\002\372A\036\022\034pu"
-          + "bsub.googleapis.com/Schema\022.\n\006schema\030\002 \001"
-          + "(\0132\030.google.pubsub.v1.SchemaB\004\342A\001\002\022\021\n\tsc"
-          + "hema_id\030\003 \001(\t\"s\n\020GetSchemaRequest\0223\n\004nam"
-          + "e\030\001 \001(\tB%\342A\001\002\372A\036\n\034pubsub.googleapis.com/"
-          + "Schema\022*\n\004view\030\002 \001(\0162\034.google.pubsub.v1."
-          + "SchemaView\"\255\001\n\022ListSchemasRequest\022D\n\006par"
-          + "ent\030\001 \001(\tB4\342A\001\002\372A-\n+cloudresourcemanager"
-          + ".googleapis.com/Project\022*\n\004view\030\002 \001(\0162\034."
-          + "google.pubsub.v1.SchemaView\022\021\n\tpage_size"
-          + "\030\003 \001(\005\022\022\n\npage_token\030\004 \001(\t\"Y\n\023ListSchema"
-          + "sResponse\022)\n\007schemas\030\001 \003(\0132\030.google.pubs"
-          + "ub.v1.Schema\022\027\n\017next_page_token\030\002 \001(\t\"\244\001"
-          + "\n\032ListSchemaRevisionsRequest\0223\n\004name\030\001 \001"
-          + "(\tB%\342A\001\002\372A\036\n\034pubsub.googleapis.com/Schem"
-          + "a\022*\n\004view\030\002 \001(\0162\034.google.pubsub.v1.Schem"
-          + "aView\022\021\n\tpage_size\030\003 \001(\005\022\022\n\npage_token\030\004"
-          + " \001(\t\"a\n\033ListSchemaRevisionsResponse\022)\n\007s"
-          + "chemas\030\001 \003(\0132\030.google.pubsub.v1.Schema\022\027"
-          + "\n\017next_page_token\030\002 \001(\t\"z\n\023CommitSchemaR"
-          + "equest\0223\n\004name\030\001 \001(\tB%\342A\001\002\372A\036\n\034pubsub.go"
-          + "ogleapis.com/Schema\022.\n\006schema\030\002 \001(\0132\030.go"
-          + "ogle.pubsub.v1.SchemaB\004\342A\001\002\"g\n\025RollbackS"
-          + "chemaRequest\0223\n\004name\030\001 \001(\tB%\342A\001\002\372A\036\n\034pub"
-          + "sub.googleapis.com/Schema\022\031\n\013revision_id"
-          + "\030\002 \001(\tB\004\342A\001\002\"o\n\033DeleteSchemaRevisionRequ"
-          + "est\0223\n\004name\030\001 \001(\tB%\342A\001\002\372A\036\n\034pubsub.googl"
-          + "eapis.com/Schema\022\033\n\013revision_id\030\002 \001(\tB\006\030"
-          + "\001\342A\001\001\"J\n\023DeleteSchemaRequest\0223\n\004name\030\001 \001"
-          + "(\tB%\342A\001\002\372A\036\n\034pubsub.googleapis.com/Schem"
-          + "a\"\215\001\n\025ValidateSchemaRequest\022D\n\006parent\030\001 "
-          + "\001(\tB4\342A\001\002\372A-\n+cloudresourcemanager.googl"
-          + "eapis.com/Project\022.\n\006schema\030\002 \001(\0132\030.goog"
-          + "le.pubsub.v1.SchemaB\004\342A\001\002\"\030\n\026ValidateSch"
-          + "emaResponse\"\213\002\n\026ValidateMessageRequest\022D"
-          + "\n\006parent\030\001 \001(\tB4\342A\001\002\372A-\n+cloudresourcema"
-          + "nager.googleapis.com/Project\0221\n\004name\030\002 \001"
-          + "(\tB!\372A\036\n\034pubsub.googleapis.com/SchemaH\000\022"
-          + "*\n\006schema\030\003 \001(\0132\030.google.pubsub.v1.Schem"
-          + "aH\000\022\017\n\007message\030\004 \001(\014\022,\n\010encoding\030\005 \001(\0162\032"
-          + ".google.pubsub.v1.EncodingB\r\n\013schema_spe"
-          + "c\"\031\n\027ValidateMessageResponse*>\n\nSchemaVi"
-          + "ew\022\033\n\027SCHEMA_VIEW_UNSPECIFIED\020\000\022\t\n\005BASIC"
-          + "\020\001\022\010\n\004FULL\020\002*:\n\010Encoding\022\030\n\024ENCODING_UNS"
-          + "PECIFIED\020\000\022\010\n\004JSON\020\001\022\n\n\006BINARY\020\0022\210\r\n\rSch"
-          + "emaService\022\232\001\n\014CreateSchema\022%.google.pub"
-          + "sub.v1.CreateSchemaRequest\032\030.google.pubs"
-          + "ub.v1.Schema\"I\332A\027parent,schema,schema_id"
-          + "\202\323\344\223\002)\"\037/v1/{parent=projects/*}/schemas:"
-          + "\006schema\022y\n\tGetSchema\022\".google.pubsub.v1."
-          + "GetSchemaRequest\032\030.google.pubsub.v1.Sche"
-          + "ma\".\332A\004name\202\323\344\223\002!\022\037/v1/{name=projects/*/"
-          + "schemas/*}\022\214\001\n\013ListSchemas\022$.google.pubs"
-          + "ub.v1.ListSchemasRequest\032%.google.pubsub"
-          + ".v1.ListSchemasResponse\"0\332A\006parent\202\323\344\223\002!"
-          + "\022\037/v1/{parent=projects/*}/schemas\022\260\001\n\023Li"
-          + "stSchemaRevisions\022,.google.pubsub.v1.Lis"
-          + "tSchemaRevisionsRequest\032-.google.pubsub."
-          + "v1.ListSchemaRevisionsResponse\"<\332A\004name\202"
-          + "\323\344\223\002/\022-/v1/{name=projects/*/schemas/*}:l"
-          + "istRevisions\022\220\001\n\014CommitSchema\022%.google.p"
-          + "ubsub.v1.CommitSchemaRequest\032\030.google.pu"
-          + "bsub.v1.Schema\"?\332A\013name,schema\202\323\344\223\002+\"&/v"
-          + "1/{name=projects/*/schemas/*}:commit:\001*\022"
-          + "\233\001\n\016RollbackSchema\022\'.google.pubsub.v1.Ro"
-          + "llbackSchemaRequest\032\030.google.pubsub.v1.S"
-          + "chema\"F\332A\020name,revision_id\202\323\344\223\002-\"(/v1/{n"
-          + "ame=projects/*/schemas/*}:rollback:\001*\022\252\001"
-          + "\n\024DeleteSchemaRevision\022-.google.pubsub.v"
-          + "1.DeleteSchemaRevisionRequest\032\030.google.p"
-          + "ubsub.v1.Schema\"I\332A\020name,revision_id\202\323\344\223"
-          + "\0020*./v1/{name=projects/*/schemas/*}:dele"
-          + "teRevision\022}\n\014DeleteSchema\022%.google.pubs"
-          + "ub.v1.DeleteSchemaRequest\032\026.google.proto"
-          + "buf.Empty\".\332A\004name\202\323\344\223\002!*\037/v1/{name=proj"
-          + "ects/*/schemas/*}\022\250\001\n\016ValidateSchema\022\'.g"
-          + "oogle.pubsub.v1.ValidateSchemaRequest\032(."
-          + "google.pubsub.v1.ValidateSchemaResponse\""
-          + "C\332A\rparent,schema\202\323\344\223\002-\"(/v1/{parent=pro"
-          + "jects/*}/schemas:validate:\001*\022\242\001\n\017Validat"
-          + "eMessage\022(.google.pubsub.v1.ValidateMess"
-          + "ageRequest\032).google.pubsub.v1.ValidateMe"
-          + "ssageResponse\":\202\323\344\223\0024\"//v1/{parent=proje"
-          + "cts/*}/schemas:validateMessage:\001*\032p\312A\025pu"
-          + "bsub.googleapis.com\322AUhttps://www.google"
-          + "apis.com/auth/cloud-platform,https://www"
-          + ".googleapis.com/auth/pubsubB\252\001\n\024com.goog"
-          + "le.pubsub.v1B\013SchemaProtoP\001Z2cloud.googl"
-          + "e.com/go/pubsub/apiv1/pubsubpb;pubsubpb\370"
-          + "\001\001\252\002\026Google.Cloud.PubSub.V1\312\002\026Google\\Clo"
-          + "ud\\PubSub\\V1\352\002\031Google::Cloud::PubSub::V1"
-          + "b\006proto3"
-    };
-    descriptor =
-        com.google.protobuf.Descriptors.FileDescriptor.internalBuildGeneratedFileFrom(
-            descriptorData,
-            new com.google.protobuf.Descriptors.FileDescriptor[] {
-              com.google.api.AnnotationsProto.getDescriptor(),
-              com.google.api.ClientProto.getDescriptor(),
-              com.google.api.FieldBehaviorProto.getDescriptor(),
-              com.google.api.ResourceProto.getDescriptor(),
-              com.google.protobuf.EmptyProto.getDescriptor(),
-              com.google.protobuf.TimestampProto.getDescriptor(),
-            });
-    internal_static_google_pubsub_v1_Schema_descriptor = getDescriptor().getMessageTypes().get(0);
-    internal_static_google_pubsub_v1_Schema_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_Schema_descriptor,
-            new java.lang.String[] {
-              "Name", "Type", "Definition", "RevisionId", "RevisionCreateTime",
-            });
-    internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor =
-        getDescriptor().getMessageTypes().get(1);
-    internal_static_google_pubsub_v1_CreateSchemaRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_CreateSchemaRequest_descriptor,
-            new java.lang.String[] {
-              "Parent", "Schema", "SchemaId",
-            });
-    internal_static_google_pubsub_v1_GetSchemaRequest_descriptor =
-        getDescriptor().getMessageTypes().get(2);
-    internal_static_google_pubsub_v1_GetSchemaRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_GetSchemaRequest_descriptor,
-            new java.lang.String[] {
-              "Name", "View",
-            });
-    internal_static_google_pubsub_v1_ListSchemasRequest_descriptor =
-        getDescriptor().getMessageTypes().get(3);
-    internal_static_google_pubsub_v1_ListSchemasRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_ListSchemasRequest_descriptor,
-            new java.lang.String[] {
-              "Parent", "View", "PageSize", "PageToken",
-            });
-    internal_static_google_pubsub_v1_ListSchemasResponse_descriptor =
-        getDescriptor().getMessageTypes().get(4);
-    internal_static_google_pubsub_v1_ListSchemasResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_ListSchemasResponse_descriptor,
-            new java.lang.String[] {
-              "Schemas", "NextPageToken",
-            });
-    internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor =
-        getDescriptor().getMessageTypes().get(5);
-    internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_ListSchemaRevisionsRequest_descriptor,
-            new java.lang.String[] {
-              "Name", "View", "PageSize", "PageToken",
-            });
-    internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor =
-        getDescriptor().getMessageTypes().get(6);
-    internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_ListSchemaRevisionsResponse_descriptor,
-            new java.lang.String[] {
-              "Schemas", "NextPageToken",
-            });
-    internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor =
-        getDescriptor().getMessageTypes().get(7);
-    internal_static_google_pubsub_v1_CommitSchemaRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_CommitSchemaRequest_descriptor,
-            new java.lang.String[] {
-              "Name", "Schema",
-            });
-    internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor =
-        getDescriptor().getMessageTypes().get(8);
-    internal_static_google_pubsub_v1_RollbackSchemaRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_RollbackSchemaRequest_descriptor,
-            new java.lang.String[] {
-              "Name", "RevisionId",
-            });
-    internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor =
-        getDescriptor().getMessageTypes().get(9);
-    internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_DeleteSchemaRevisionRequest_descriptor,
-            new java.lang.String[] {
-              "Name", "RevisionId",
-            });
-    internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor =
-        getDescriptor().getMessageTypes().get(10);
-    internal_static_google_pubsub_v1_DeleteSchemaRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_DeleteSchemaRequest_descriptor,
-            new java.lang.String[] {
-              "Name",
-            });
-    internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor =
-        getDescriptor().getMessageTypes().get(11);
-    internal_static_google_pubsub_v1_ValidateSchemaRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_ValidateSchemaRequest_descriptor,
-            new java.lang.String[] {
-              "Parent", "Schema",
-            });
-    internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor =
-        getDescriptor().getMessageTypes().get(12);
-    internal_static_google_pubsub_v1_ValidateSchemaResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_ValidateSchemaResponse_descriptor,
-            new java.lang.String[] {});
-    internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor =
-        getDescriptor().getMessageTypes().get(13);
-    internal_static_google_pubsub_v1_ValidateMessageRequest_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_ValidateMessageRequest_descriptor,
-            new java.lang.String[] {
-              "Parent", "Name", "Schema", "Message", "Encoding", "SchemaSpec",
-            });
-    internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor =
-        getDescriptor().getMessageTypes().get(14);
-    internal_static_google_pubsub_v1_ValidateMessageResponse_fieldAccessorTable =
-        new com.google.protobuf.GeneratedMessageV3.FieldAccessorTable(
-            internal_static_google_pubsub_v1_ValidateMessageResponse_descriptor,
-            new java.lang.String[] {});
-    com.google.protobuf.ExtensionRegistry registry =
-        com.google.protobuf.ExtensionRegistry.newInstance();
-    registry.add(com.google.api.ClientProto.defaultHost);
-    registry.add(com.google.api.FieldBehaviorProto.fieldBehavior);
-    registry.add(com.google.api.AnnotationsProto.http);
-    registry.add(com.google.api.ClientProto.methodSignature);
-    registry.add(com.google.api.ClientProto.oauthScopes);
-    registry.add(com.google.api.ResourceProto.resource);
-    registry.add(com.google.api.ResourceProto.resourceReference);
-    com.google.protobuf.Descriptors.FileDescriptor.internalUpdateFileDescriptor(
-        descriptor, registry);
-    com.google.api.AnnotationsProto.getDescriptor();
-    com.google.api.ClientProto.getDescriptor();
-    com.google.api.FieldBehaviorProto.getDescriptor();
-    com.google.api.ResourceProto.getDescriptor();
-    com.google.protobuf.EmptyProto.getDescriptor();
-    com.google.protobuf.TimestampProto.getDescriptor();
-  }
-
-  // @@protoc_insertion_point(outer_class_scope)
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettingsOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettingsOrBuilder.java
deleted file mode 100644
index 65c6cf6ed..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SchemaSettingsOrBuilder.java
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface SchemaSettingsOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.SchemaSettings)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the schema that messages published should be
-   * validated against. Format is `projects/{project}/schemas/{schema}`. The
-   * value of this field will be `_deleted-schema_` if the schema has been
-   * deleted.
-   * 
        
-   *
-   * 
-   * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The schema.
-   */
-  java.lang.String getSchema();
-  /**
-   *
-   *
-   * 
        -   * Required. The name of the schema that messages published should be
-   * validated against. Format is `projects/{project}/schemas/{schema}`. The
-   * value of this field will be `_deleted-schema_` if the schema has been
-   * deleted.
-   * 
        
-   *
-   * 
-   * string schema = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
-   * 
-   *
-   * @return The bytes for schema.
-   */
-  com.google.protobuf.ByteString getSchemaBytes();
-
-  /**
-   *
-   *
-   * 
        -   * The encoding of messages validated against `schema`.
-   * 
        
-   *
-   * .google.pubsub.v1.Encoding encoding = 2;
-   *
-   * @return The enum numeric value on the wire for encoding.
-   */
-  int getEncodingValue();
-  /**
-   *
-   *
-   * 
        -   * The encoding of messages validated against `schema`.
-   * 
        
-   *
-   * .google.pubsub.v1.Encoding encoding = 2;
-   *
-   * @return The encoding.
-   */
-  com.google.pubsub.v1.Encoding getEncoding();
-
-  /**
-   *
-   *
-   * 
        -   * The minimum (inclusive) revision allowed for validating messages. If empty
-   * or not present, allow any revision to be validated against last_revision or
-   * any revision created before.
-   * 
        
-   *
-   * string first_revision_id = 3;
-   *
-   * @return The firstRevisionId.
-   */
-  java.lang.String getFirstRevisionId();
-  /**
-   *
-   *
-   * 
        -   * The minimum (inclusive) revision allowed for validating messages. If empty
-   * or not present, allow any revision to be validated against last_revision or
-   * any revision created before.
-   * 
        
-   *
-   * string first_revision_id = 3;
-   *
-   * @return The bytes for firstRevisionId.
-   */
-  com.google.protobuf.ByteString getFirstRevisionIdBytes();
-
-  /**
-   *
-   *
-   * 
        -   * The maximum (inclusive) revision allowed for validating messages. If empty
-   * or not present, allow any revision to be validated against first_revision
-   * or any revision created after.
-   * 
        
-   *
-   * string last_revision_id = 4;
-   *
-   * @return The lastRevisionId.
-   */
-  java.lang.String getLastRevisionId();
-  /**
-   *
-   *
-   * 
        -   * The maximum (inclusive) revision allowed for validating messages. If empty
-   * or not present, allow any revision to be validated against first_revision
-   * or any revision created after.
-   * 
        
-   *
-   * string last_revision_id = 4;
-   *
-   * @return The bytes for lastRevisionId.
-   */
-  com.google.protobuf.ByteString getLastRevisionIdBytes();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponseOrBuilder.java
deleted file mode 100644
index 0ad90788f..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/SeekResponseOrBuilder.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface SeekResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.SeekResponse)
-    com.google.protobuf.MessageOrBuilder {}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponseOrBuilder.java
deleted file mode 100644
index dc0a2bd8d..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/StreamingPullResponseOrBuilder.java
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/pubsub.proto
-
-package com.google.pubsub.v1;
-
-public interface StreamingPullResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.StreamingPullResponse)
-    com.google.protobuf.MessageOrBuilder {
-
-  /**
-   *
-   *
-   * 
        -   * Received Pub/Sub messages. This will not be empty.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
-   */
-  java.util.List getReceivedMessagesList();
-  /**
-   *
-   *
-   * 
        -   * Received Pub/Sub messages. This will not be empty.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
-   */
-  com.google.pubsub.v1.ReceivedMessage getReceivedMessages(int index);
-  /**
-   *
-   *
-   * 
        -   * Received Pub/Sub messages. This will not be empty.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
-   */
-  int getReceivedMessagesCount();
-  /**
-   *
-   *
-   * 
        -   * Received Pub/Sub messages. This will not be empty.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
-   */
-  java.util.List
-      getReceivedMessagesOrBuilderList();
-  /**
-   *
-   *
-   * 
        -   * Received Pub/Sub messages. This will not be empty.
-   * 
        
-   *
-   * repeated .google.pubsub.v1.ReceivedMessage received_messages = 1;
-   */
-  com.google.pubsub.v1.ReceivedMessageOrBuilder getReceivedMessagesOrBuilder(int index);
-
-  /**
-   *
-   *
-   * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-   * 
-   *
-   * @return Whether the acknowledgeConfirmation field is set.
-   */
-  boolean hasAcknowledgeConfirmation();
-  /**
-   *
-   *
-   * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-   * 
-   *
-   * @return The acknowledgeConfirmation.
-   */
-  com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation getAcknowledgeConfirmation();
-  /**
-   *
-   *
-   * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmation acknowledge_confirmation = 5;
-   * 
-   */
-  com.google.pubsub.v1.StreamingPullResponse.AcknowledgeConfirmationOrBuilder
-      getAcknowledgeConfirmationOrBuilder();
-
-  /**
-   *
-   *
-   * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-   * 
-   *
-   * @return Whether the modifyAckDeadlineConfirmation field is set.
-   */
-  boolean hasModifyAckDeadlineConfirmation();
-  /**
-   *
-   *
-   * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-   * 
-   *
-   * @return The modifyAckDeadlineConfirmation.
-   */
-  com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation
-      getModifyAckDeadlineConfirmation();
-  /**
-   *
-   *
-   * 
        -   * This field will only be set if `enable_exactly_once_delivery` is set to
-   * `true`.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmation modify_ack_deadline_confirmation = 3;
-   * 
-   */
-  com.google.pubsub.v1.StreamingPullResponse.ModifyAckDeadlineConfirmationOrBuilder
-      getModifyAckDeadlineConfirmationOrBuilder();
-
-  /**
-   *
-   *
-   * 
        -   * Properties associated with this subscription.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-   * 
-   *
-   * @return Whether the subscriptionProperties field is set.
-   */
-  boolean hasSubscriptionProperties();
-  /**
-   *
-   *
-   * 
        -   * Properties associated with this subscription.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-   * 
-   *
-   * @return The subscriptionProperties.
-   */
-  com.google.pubsub.v1.StreamingPullResponse.SubscriptionProperties getSubscriptionProperties();
-  /**
-   *
-   *
-   * 
        -   * Properties associated with this subscription.
-   * 
        
-   *
-   * 
-   * .google.pubsub.v1.StreamingPullResponse.SubscriptionProperties subscription_properties = 4;
-   * 
-   */
-  com.google.pubsub.v1.StreamingPullResponse.SubscriptionPropertiesOrBuilder
-      getSubscriptionPropertiesOrBuilder();
-}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponseOrBuilder.java
deleted file mode 100644
index b20450cb4..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateMessageResponseOrBuilder.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/schema.proto
-
-package com.google.pubsub.v1;
-
-public interface ValidateMessageResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ValidateMessageResponse)
-    com.google.protobuf.MessageOrBuilder {}
diff --git a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponseOrBuilder.java b/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponseOrBuilder.java
deleted file mode 100644
index 9879319b9..000000000
--- a/proto-google-cloud-pubsub-v1/src/main/java/com/google/pubsub/v1/ValidateSchemaResponseOrBuilder.java
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2024 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
-// source: google/pubsub/v1/schema.proto
-
-package com.google.pubsub.v1;
-
-public interface ValidateSchemaResponseOrBuilder
-    extends
-    // @@protoc_insertion_point(interface_extends:google.pubsub.v1.ValidateSchemaResponse)
-    com.google.protobuf.MessageOrBuilder {}