diff --git a/autorest/codegen/models/enum_schema.py b/autorest/codegen/models/enum_schema.py
index 474b57c97eb..4486ee2d375 100644
--- a/autorest/codegen/models/enum_schema.py
+++ b/autorest/codegen/models/enum_schema.py
@@ -201,7 +201,7 @@ def extra_description_information(self):
                 possible_values[: len(possible_values) - 1]
             ) + f", and {possible_values[-1]}"
 
-        return "Possible values are: {}.".format(possible_values_str)
+        return "Known values are: {}.".format(possible_values_str)
 
     @property
     def docstring_type(self) -> str:
diff --git a/autorest/codegen/models/parameter.py b/autorest/codegen/models/parameter.py
index 1b8b13acad0..b19dde5d733 100644
--- a/autorest/codegen/models/parameter.py
+++ b/autorest/codegen/models/parameter.py
@@ -128,7 +128,7 @@ def description(self):
             if isinstance(self.schema, ConstantSchema) and not self.constant:
                 if description:
                     description += " "
-                description += f"Possible values are {self.schema.get_declaration(self.schema.value)} or {None}."
+                description += f"Known values are {self.schema.get_declaration(self.schema.value)} or {None}."
             if self.has_default_value and not any(
                 l for l in ["default value is", "default is"] if l in description.lower()
             ):
diff --git a/autorest/codegen/models/property.py b/autorest/codegen/models/property.py
index 6cfe2ca42dd..b2fbcc63bd5 100644
--- a/autorest/codegen/models/property.py
+++ b/autorest/codegen/models/property.py
@@ -60,7 +60,7 @@ def _create_description(self, description_input: Optional[str], yaml_data: Dict[
             values = [self.schema.enum_type.get_declaration(v.value) for v in self.schema.values]
             if description and description[-1] != " ":
                 description += " "
-            description += "Possible values include: {}.".format(", ".join(values))
+            description += "Known values are: {}.".format(", ".join(values))
             if self.schema.default_value:
                 description += f' Default value: "{self.schema.default_value}".'
         return description
diff --git a/autorest/codegen/serializers/builder_serializer.py b/autorest/codegen/serializers/builder_serializer.py
index 9fdc71fcde3..cb3e24b396c 100644
--- a/autorest/codegen/serializers/builder_serializer.py
+++ b/autorest/codegen/serializers/builder_serializer.py
@@ -159,7 +159,7 @@ def _content_type_docstring(builder) -> str:
     ).default_value_declaration
     return (
         ":keyword content_type: Media type of the body sent to the API. " +
-        f"Possible values are: {possible_values_str}. " +
+        f"Known values are: {possible_values_str}. " +
         f"Default value is {default_value}."
     )
 
diff --git a/docs/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/_operation_group_two_operations.py b/docs/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/_operation_group_two_operations.py
index 6143afecc62..b1dff519291 100644
--- a/docs/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/_operation_group_two_operations.py
+++ b/docs/samples/specification/multiapi/generated/azure/multiapi/sample/v3/aio/operations/_operation_group_two_operations.py
@@ -54,7 +54,7 @@ async def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~azure.multiapi.sample.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~azure.multiapi.sample.v3.models.ContentType
diff --git a/docs/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/_operation_group_two_operations.py b/docs/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/_operation_group_two_operations.py
index fedbf2192a6..d59f4029454 100644
--- a/docs/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/_operation_group_two_operations.py
+++ b/docs/samples/specification/multiapi/generated/azure/multiapi/sample/v3/operations/_operation_group_two_operations.py
@@ -121,7 +121,7 @@ def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~azure.multiapi.sample.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~azure.multiapi.sample.v3.models.ContentType
diff --git a/test/azure/legacy/Expected/AcceptanceTests/CustomPollerPager/custompollerpager/models/_models.py b/test/azure/legacy/Expected/AcceptanceTests/CustomPollerPager/custompollerpager/models/_models.py
index a275e109365..d888276baa5 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/CustomPollerPager/custompollerpager/models/_models.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/CustomPollerPager/custompollerpager/models/_models.py
@@ -77,9 +77,8 @@ def __init__(
 class OperationResult(msrest.serialization.Model):
     """OperationResult.
 
-    :ivar status: The status of the request. Possible values include: "Succeeded", "Failed",
-     "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-     "OK".
+    :ivar status: The status of the request. Known values are: "Succeeded", "Failed", "canceled",
+     "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype status: str or ~custompollerpager.models.OperationResultStatus
     """
 
@@ -92,7 +91,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword status: The status of the request. Possible values include: "Succeeded", "Failed",
+        :keyword status: The status of the request. Known values are: "Succeeded", "Failed",
          "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
          "OK".
         :paramtype status: str or ~custompollerpager.models.OperationResultStatus
diff --git a/test/azure/legacy/Expected/AcceptanceTests/CustomPollerPager/custompollerpager/models/_models_py3.py b/test/azure/legacy/Expected/AcceptanceTests/CustomPollerPager/custompollerpager/models/_models_py3.py
index 1ce0e5fa13f..fe932341e61 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/CustomPollerPager/custompollerpager/models/_models_py3.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/CustomPollerPager/custompollerpager/models/_models_py3.py
@@ -89,9 +89,8 @@ def __init__(
 class OperationResult(msrest.serialization.Model):
     """OperationResult.
 
-    :ivar status: The status of the request. Possible values include: "Succeeded", "Failed",
-     "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-     "OK".
+    :ivar status: The status of the request. Known values are: "Succeeded", "Failed", "canceled",
+     "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype status: str or ~custompollerpager.models.OperationResultStatus
     """
 
@@ -106,7 +105,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword status: The status of the request. Possible values include: "Succeeded", "Failed",
+        :keyword status: The status of the request. Known values are: "Succeeded", "Failed",
          "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
          "OK".
         :paramtype status: str or ~custompollerpager.models.OperationResultStatus
diff --git a/test/azure/legacy/Expected/AcceptanceTests/Lro/lro/models/_models.py b/test/azure/legacy/Expected/AcceptanceTests/Lro/lro/models/_models.py
index e5afef72188..9adf06c850a 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/Lro/lro/models/_models.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/Lro/lro/models/_models.py
@@ -12,9 +12,8 @@
 class OperationResult(msrest.serialization.Model):
     """OperationResult.
 
-    :ivar status: The status of the request. Possible values include: "Succeeded", "Failed",
-     "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-     "OK".
+    :ivar status: The status of the request. Known values are: "Succeeded", "Failed", "canceled",
+     "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype status: str or ~lro.models.OperationResultStatus
     :ivar error:
     :vartype error: ~lro.models.OperationResultError
@@ -27,7 +26,7 @@ class OperationResult(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword status: The status of the request. Possible values include: "Succeeded", "Failed",
+        :keyword status: The status of the request. Known values are: "Succeeded", "Failed",
          "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
          "OK".
         :paramtype status: str or ~lro.models.OperationResultStatus
@@ -128,7 +127,7 @@ class Product(Resource):
     :vartype name: str
     :ivar provisioning_state:
     :vartype provisioning_state: str
-    :ivar provisioning_state_values: Possible values include: "Succeeded", "Failed", "canceled",
+    :ivar provisioning_state_values: Known values are: "Succeeded", "Failed", "canceled",
      "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype provisioning_state_values: str or ~lro.models.ProductPropertiesProvisioningStateValues
     """
@@ -222,7 +221,7 @@ class SubProduct(SubResource):
     :vartype id: str
     :ivar provisioning_state:
     :vartype provisioning_state: str
-    :ivar provisioning_state_values: Possible values include: "Succeeded", "Failed", "canceled",
+    :ivar provisioning_state_values: Known values are: "Succeeded", "Failed", "canceled",
      "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype provisioning_state_values: str or
      ~lro.models.SubProductPropertiesProvisioningStateValues
diff --git a/test/azure/legacy/Expected/AcceptanceTests/Lro/lro/models/_models_py3.py b/test/azure/legacy/Expected/AcceptanceTests/Lro/lro/models/_models_py3.py
index 5aa246ec2b6..2d9fc255e83 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/Lro/lro/models/_models_py3.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/Lro/lro/models/_models_py3.py
@@ -18,9 +18,8 @@
 class OperationResult(msrest.serialization.Model):
     """OperationResult.
 
-    :ivar status: The status of the request. Possible values include: "Succeeded", "Failed",
-     "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-     "OK".
+    :ivar status: The status of the request. Known values are: "Succeeded", "Failed", "canceled",
+     "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype status: str or ~lro.models.OperationResultStatus
     :ivar error:
     :vartype error: ~lro.models.OperationResultError
@@ -39,7 +38,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword status: The status of the request. Possible values include: "Succeeded", "Failed",
+        :keyword status: The status of the request. Known values are: "Succeeded", "Failed",
          "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
          "OK".
         :paramtype status: str or ~lro.models.OperationResultStatus
@@ -140,7 +139,7 @@ class Product(Resource):
     :vartype name: str
     :ivar provisioning_state:
     :vartype provisioning_state: str
-    :ivar provisioning_state_values: Possible values include: "Succeeded", "Failed", "canceled",
+    :ivar provisioning_state_values: Known values are: "Succeeded", "Failed", "canceled",
      "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype provisioning_state_values: str or ~lro.models.ProductPropertiesProvisioningStateValues
     """
@@ -241,7 +240,7 @@ class SubProduct(SubResource):
     :vartype id: str
     :ivar provisioning_state:
     :vartype provisioning_state: str
-    :ivar provisioning_state_values: Possible values include: "Succeeded", "Failed", "canceled",
+    :ivar provisioning_state_values: Known values are: "Succeeded", "Failed", "canceled",
      "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype provisioning_state_values: str or
      ~lro.models.SubProductPropertiesProvisioningStateValues
diff --git a/test/azure/legacy/Expected/AcceptanceTests/Paging/paging/models/_models.py b/test/azure/legacy/Expected/AcceptanceTests/Paging/paging/models/_models.py
index 4f38ff10968..350c1a601ed 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/Paging/paging/models/_models.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/Paging/paging/models/_models.py
@@ -71,9 +71,8 @@ def __init__(self, **kwargs):
 class OperationResult(msrest.serialization.Model):
     """OperationResult.
 
-    :ivar status: The status of the request. Possible values include: "Succeeded", "Failed",
-     "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-     "OK".
+    :ivar status: The status of the request. Known values are: "Succeeded", "Failed", "canceled",
+     "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype status: str or ~paging.models.OperationResultStatus
     """
 
@@ -83,7 +82,7 @@ class OperationResult(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword status: The status of the request. Possible values include: "Succeeded", "Failed",
+        :keyword status: The status of the request. Known values are: "Succeeded", "Failed",
          "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
          "OK".
         :paramtype status: str or ~paging.models.OperationResultStatus
diff --git a/test/azure/legacy/Expected/AcceptanceTests/Paging/paging/models/_models_py3.py b/test/azure/legacy/Expected/AcceptanceTests/Paging/paging/models/_models_py3.py
index 5998299b176..c0b9b30861b 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/Paging/paging/models/_models_py3.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/Paging/paging/models/_models_py3.py
@@ -79,9 +79,8 @@ def __init__(
 class OperationResult(msrest.serialization.Model):
     """OperationResult.
 
-    :ivar status: The status of the request. Possible values include: "Succeeded", "Failed",
-     "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-     "OK".
+    :ivar status: The status of the request. Known values are: "Succeeded", "Failed", "canceled",
+     "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype status: str or ~paging.models.OperationResultStatus
     """
 
@@ -91,7 +90,7 @@ class OperationResult(msrest.serialization.Model):
 
     def __init__(self, *, status: Optional[Union[str, "_models.OperationResultStatus"]] = None, **kwargs):
         """
-        :keyword status: The status of the request. Possible values include: "Succeeded", "Failed",
+        :keyword status: The status of the request. Known values are: "Succeeded", "Failed",
          "canceled", "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
          "OK".
         :paramtype status: str or ~paging.models.OperationResultStatus
diff --git a/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/aio/operations/_storage_accounts_operations.py b/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/aio/operations/_storage_accounts_operations.py
index fbaa29cd97d..5d3a7a85036 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/aio/operations/_storage_accounts_operations.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/aio/operations/_storage_accounts_operations.py
@@ -77,7 +77,7 @@ async def check_name_availability(
          Storage account names must be between 3 and 24 characters in length and use numbers and
          lower-case letters only.
         :type account_name: ~storage.models.StorageAccountCheckNameAvailabilityParameters
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
@@ -203,7 +203,7 @@ async def begin_create(
         :type account_name: str
         :param parameters: The parameters to provide for the created account.
         :type parameters: ~storage.models.StorageAccountCreateParameters
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
@@ -401,7 +401,7 @@ async def update(
         :param parameters: The parameters to update on the account. Note that only one property can be
          changed at a time using this API.
         :type parameters: ~storage.models.StorageAccountUpdateParameters
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
@@ -672,7 +672,7 @@ async def regenerate_key(
         :type account_name: str
         :param key_name:  Default value is None.
         :type key_name: str or ~storage.models.KeyName
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
diff --git a/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/models/_models.py b/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/models/_models.py
index c7c8be86001..e367fc73ec0 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/models/_models.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/models/_models.py
@@ -37,7 +37,7 @@ class CheckNameAvailabilityResult(msrest.serialization.Model):
      and cannot be used.
     :vartype name_available: bool
     :ivar reason: Gets the reason that a storage account name could not be used. The Reason element
-     is only returned if NameAvailable is false. Possible values include: "AccountNameInvalid",
+     is only returned if NameAvailable is false. Known values are: "AccountNameInvalid",
      "AlreadyExists".
     :vartype reason: str or ~storage.models.Reason
     :ivar message: Gets an error message explaining the Reason value in more detail.
@@ -57,8 +57,8 @@ def __init__(self, **kwargs):
          invalid and cannot be used.
         :paramtype name_available: bool
         :keyword reason: Gets the reason that a storage account name could not be used. The Reason
-         element is only returned if NameAvailable is false. Possible values include:
-         "AccountNameInvalid", "AlreadyExists".
+         element is only returned if NameAvailable is false. Known values are: "AccountNameInvalid",
+         "AlreadyExists".
         :paramtype reason: str or ~storage.models.Reason
         :keyword message: Gets an error message explaining the Reason value in more detail.
         :paramtype message: str
@@ -228,10 +228,10 @@ class StorageAccount(Resource):
     :ivar tags: A set of tags. Resource tags.
     :vartype tags: dict[str, str]
     :ivar provisioning_state: Gets the status of the storage account at the time the operation was
-     called. Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+     called. Known values are: "Creating", "ResolvingDNS", "Succeeded".
     :vartype provisioning_state: str or ~storage.models.ProvisioningState
-    :ivar account_type: Gets the type of the storage account. Possible values include:
-     "Standard_LRS", "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+    :ivar account_type: Gets the type of the storage account. Known values are: "Standard_LRS",
+     "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
     :vartype account_type: str or ~storage.models.AccountType
     :ivar primary_endpoints: Gets the URLs that are used to perform a retrieval of a public blob,
      queue or table object.Note that StandardZRS and PremiumLRS accounts only return the blob
@@ -240,7 +240,7 @@ class StorageAccount(Resource):
     :ivar primary_location: Gets the location of the primary for the storage account.
     :vartype primary_location: str
     :ivar status_of_primary: Gets the status indicating whether the primary location of the storage
-     account is available or unavailable. Possible values include: "Available", "Unavailable".
+     account is available or unavailable. Known values are: "Available", "Unavailable".
     :vartype status_of_primary: str or ~storage.models.AccountStatus
     :ivar last_geo_failover_time: Gets the timestamp of the most recent instance of a failover to
      the secondary location. Only the most recent timestamp is retained. This element is not
@@ -252,7 +252,7 @@ class StorageAccount(Resource):
     :vartype secondary_location: str
     :ivar status_of_secondary: Gets the status indicating whether the secondary location of the
      storage account is available or unavailable. Only available if the accountType is StandardGRS
-     or StandardRAGRS. Possible values include: "Available", "Unavailable".
+     or StandardRAGRS. Known values are: "Available", "Unavailable".
     :vartype status_of_secondary: str or ~storage.models.AccountStatus
     :ivar creation_time: Gets the creation date and time of the storage account in UTC.
     :vartype creation_time: ~datetime.datetime
@@ -297,10 +297,10 @@ def __init__(self, **kwargs):
         :keyword tags: A set of tags. Resource tags.
         :paramtype tags: dict[str, str]
         :keyword provisioning_state: Gets the status of the storage account at the time the operation
-         was called. Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+         was called. Known values are: "Creating", "ResolvingDNS", "Succeeded".
         :paramtype provisioning_state: str or ~storage.models.ProvisioningState
-        :keyword account_type: Gets the type of the storage account. Possible values include:
-         "Standard_LRS", "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+        :keyword account_type: Gets the type of the storage account. Known values are: "Standard_LRS",
+         "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
         :paramtype account_type: str or ~storage.models.AccountType
         :keyword primary_endpoints: Gets the URLs that are used to perform a retrieval of a public
          blob, queue or table object.Note that StandardZRS and PremiumLRS accounts only return the blob
@@ -309,8 +309,7 @@ def __init__(self, **kwargs):
         :keyword primary_location: Gets the location of the primary for the storage account.
         :paramtype primary_location: str
         :keyword status_of_primary: Gets the status indicating whether the primary location of the
-         storage account is available or unavailable. Possible values include: "Available",
-         "Unavailable".
+         storage account is available or unavailable. Known values are: "Available", "Unavailable".
         :paramtype status_of_primary: str or ~storage.models.AccountStatus
         :keyword last_geo_failover_time: Gets the timestamp of the most recent instance of a failover
          to the secondary location. Only the most recent timestamp is retained. This element is not
@@ -322,7 +321,7 @@ def __init__(self, **kwargs):
         :paramtype secondary_location: str
         :keyword status_of_secondary: Gets the status indicating whether the secondary location of the
          storage account is available or unavailable. Only available if the accountType is StandardGRS
-         or StandardRAGRS. Possible values include: "Available", "Unavailable".
+         or StandardRAGRS. Known values are: "Available", "Unavailable".
         :paramtype status_of_secondary: str or ~storage.models.AccountStatus
         :keyword creation_time: Gets the creation date and time of the storage account in UTC.
         :paramtype creation_time: ~datetime.datetime
@@ -396,7 +395,7 @@ class StorageAccountCreateParameters(Resource):
     :vartype location: str
     :ivar tags: A set of tags. Resource tags.
     :vartype tags: dict[str, str]
-    :ivar account_type: Gets or sets the account type. Possible values include: "Standard_LRS",
+    :ivar account_type: Gets or sets the account type. Known values are: "Standard_LRS",
      "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
     :vartype account_type: str or ~storage.models.AccountType
     """
@@ -423,7 +422,7 @@ def __init__(self, **kwargs):
         :paramtype location: str
         :keyword tags: A set of tags. Resource tags.
         :paramtype tags: dict[str, str]
-        :keyword account_type: Gets or sets the account type. Possible values include: "Standard_LRS",
+        :keyword account_type: Gets or sets the account type. Known values are: "Standard_LRS",
          "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
         :paramtype account_type: str or ~storage.models.AccountType
         """
@@ -488,7 +487,7 @@ def __init__(self, **kwargs):
 class StorageAccountRegenerateKeyParameters(msrest.serialization.Model):
     """StorageAccountRegenerateKeyParameters.
 
-    :ivar key_name: Possible values include: "key1", "key2".
+    :ivar key_name: Known values are: "key1", "key2".
     :vartype key_name: str or ~storage.models.KeyName
     """
 
@@ -498,7 +497,7 @@ class StorageAccountRegenerateKeyParameters(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword key_name: Possible values include: "key1", "key2".
+        :keyword key_name: Known values are: "key1", "key2".
         :paramtype key_name: str or ~storage.models.KeyName
         """
         super(StorageAccountRegenerateKeyParameters, self).__init__(**kwargs)
@@ -524,8 +523,8 @@ class StorageAccountUpdateParameters(Resource):
     :vartype tags: dict[str, str]
     :ivar account_type: Gets or sets the account type. Note that StandardZRS and PremiumLRS
      accounts cannot be changed to other account types, and other account types cannot be changed to
-     StandardZRS or PremiumLRS. Possible values include: "Standard_LRS", "Standard_ZRS",
-     "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+     StandardZRS or PremiumLRS. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+     "Standard_RAGRS", "Premium_LRS".
     :vartype account_type: str or ~storage.models.AccountType
     :ivar custom_domain: User domain assigned to the storage account. Name is the CNAME source.
      Only one custom domain is supported per storage account at this time. To clear the existing
@@ -558,8 +557,8 @@ def __init__(self, **kwargs):
         :paramtype tags: dict[str, str]
         :keyword account_type: Gets or sets the account type. Note that StandardZRS and PremiumLRS
          accounts cannot be changed to other account types, and other account types cannot be changed to
-         StandardZRS or PremiumLRS. Possible values include: "Standard_LRS", "Standard_ZRS",
-         "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+         StandardZRS or PremiumLRS. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+         "Standard_RAGRS", "Premium_LRS".
         :paramtype account_type: str or ~storage.models.AccountType
         :keyword custom_domain: User domain assigned to the storage account. Name is the CNAME source.
          Only one custom domain is supported per storage account at this time. To clear the existing
@@ -594,7 +593,7 @@ def __init__(self, **kwargs):
 class Usage(msrest.serialization.Model):
     """Describes Storage Resource Usage.
 
-    :ivar unit: Gets the unit of measurement. Possible values include: "Count", "Bytes", "Seconds",
+    :ivar unit: Gets the unit of measurement. Known values are: "Count", "Bytes", "Seconds",
      "Percent", "CountsPerSecond", "BytesPerSecond".
     :vartype unit: str or ~storage.models.UsageUnit
     :ivar current_value: Gets the current count of the allocated resources in the subscription.
@@ -614,8 +613,8 @@ class Usage(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword unit: Gets the unit of measurement. Possible values include: "Count", "Bytes",
-         "Seconds", "Percent", "CountsPerSecond", "BytesPerSecond".
+        :keyword unit: Gets the unit of measurement. Known values are: "Count", "Bytes", "Seconds",
+         "Percent", "CountsPerSecond", "BytesPerSecond".
         :paramtype unit: str or ~storage.models.UsageUnit
         :keyword current_value: Gets the current count of the allocated resources in the subscription.
         :paramtype current_value: int
diff --git a/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/models/_models_py3.py b/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/models/_models_py3.py
index ba9cb957f05..f53e9b55d26 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/models/_models_py3.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/models/_models_py3.py
@@ -44,7 +44,7 @@ class CheckNameAvailabilityResult(msrest.serialization.Model):
      and cannot be used.
     :vartype name_available: bool
     :ivar reason: Gets the reason that a storage account name could not be used. The Reason element
-     is only returned if NameAvailable is false. Possible values include: "AccountNameInvalid",
+     is only returned if NameAvailable is false. Known values are: "AccountNameInvalid",
      "AlreadyExists".
     :vartype reason: str or ~storage.models.Reason
     :ivar message: Gets an error message explaining the Reason value in more detail.
@@ -71,8 +71,8 @@ def __init__(
          invalid and cannot be used.
         :paramtype name_available: bool
         :keyword reason: Gets the reason that a storage account name could not be used. The Reason
-         element is only returned if NameAvailable is false. Possible values include:
-         "AccountNameInvalid", "AlreadyExists".
+         element is only returned if NameAvailable is false. Known values are: "AccountNameInvalid",
+         "AlreadyExists".
         :paramtype reason: str or ~storage.models.Reason
         :keyword message: Gets an error message explaining the Reason value in more detail.
         :paramtype message: str
@@ -251,10 +251,10 @@ class StorageAccount(Resource):
     :ivar tags: A set of tags. Resource tags.
     :vartype tags: dict[str, str]
     :ivar provisioning_state: Gets the status of the storage account at the time the operation was
-     called. Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+     called. Known values are: "Creating", "ResolvingDNS", "Succeeded".
     :vartype provisioning_state: str or ~storage.models.ProvisioningState
-    :ivar account_type: Gets the type of the storage account. Possible values include:
-     "Standard_LRS", "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+    :ivar account_type: Gets the type of the storage account. Known values are: "Standard_LRS",
+     "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
     :vartype account_type: str or ~storage.models.AccountType
     :ivar primary_endpoints: Gets the URLs that are used to perform a retrieval of a public blob,
      queue or table object.Note that StandardZRS and PremiumLRS accounts only return the blob
@@ -263,7 +263,7 @@ class StorageAccount(Resource):
     :ivar primary_location: Gets the location of the primary for the storage account.
     :vartype primary_location: str
     :ivar status_of_primary: Gets the status indicating whether the primary location of the storage
-     account is available or unavailable. Possible values include: "Available", "Unavailable".
+     account is available or unavailable. Known values are: "Available", "Unavailable".
     :vartype status_of_primary: str or ~storage.models.AccountStatus
     :ivar last_geo_failover_time: Gets the timestamp of the most recent instance of a failover to
      the secondary location. Only the most recent timestamp is retained. This element is not
@@ -275,7 +275,7 @@ class StorageAccount(Resource):
     :vartype secondary_location: str
     :ivar status_of_secondary: Gets the status indicating whether the secondary location of the
      storage account is available or unavailable. Only available if the accountType is StandardGRS
-     or StandardRAGRS. Possible values include: "Available", "Unavailable".
+     or StandardRAGRS. Known values are: "Available", "Unavailable".
     :vartype status_of_secondary: str or ~storage.models.AccountStatus
     :ivar creation_time: Gets the creation date and time of the storage account in UTC.
     :vartype creation_time: ~datetime.datetime
@@ -337,10 +337,10 @@ def __init__(
         :keyword tags: A set of tags. Resource tags.
         :paramtype tags: dict[str, str]
         :keyword provisioning_state: Gets the status of the storage account at the time the operation
-         was called. Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+         was called. Known values are: "Creating", "ResolvingDNS", "Succeeded".
         :paramtype provisioning_state: str or ~storage.models.ProvisioningState
-        :keyword account_type: Gets the type of the storage account. Possible values include:
-         "Standard_LRS", "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+        :keyword account_type: Gets the type of the storage account. Known values are: "Standard_LRS",
+         "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
         :paramtype account_type: str or ~storage.models.AccountType
         :keyword primary_endpoints: Gets the URLs that are used to perform a retrieval of a public
          blob, queue or table object.Note that StandardZRS and PremiumLRS accounts only return the blob
@@ -349,8 +349,7 @@ def __init__(
         :keyword primary_location: Gets the location of the primary for the storage account.
         :paramtype primary_location: str
         :keyword status_of_primary: Gets the status indicating whether the primary location of the
-         storage account is available or unavailable. Possible values include: "Available",
-         "Unavailable".
+         storage account is available or unavailable. Known values are: "Available", "Unavailable".
         :paramtype status_of_primary: str or ~storage.models.AccountStatus
         :keyword last_geo_failover_time: Gets the timestamp of the most recent instance of a failover
          to the secondary location. Only the most recent timestamp is retained. This element is not
@@ -362,7 +361,7 @@ def __init__(
         :paramtype secondary_location: str
         :keyword status_of_secondary: Gets the status indicating whether the secondary location of the
          storage account is available or unavailable. Only available if the accountType is StandardGRS
-         or StandardRAGRS. Possible values include: "Available", "Unavailable".
+         or StandardRAGRS. Known values are: "Available", "Unavailable".
         :paramtype status_of_secondary: str or ~storage.models.AccountStatus
         :keyword creation_time: Gets the creation date and time of the storage account in UTC.
         :paramtype creation_time: ~datetime.datetime
@@ -436,7 +435,7 @@ class StorageAccountCreateParameters(Resource):
     :vartype location: str
     :ivar tags: A set of tags. Resource tags.
     :vartype tags: dict[str, str]
-    :ivar account_type: Gets or sets the account type. Possible values include: "Standard_LRS",
+    :ivar account_type: Gets or sets the account type. Known values are: "Standard_LRS",
      "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
     :vartype account_type: str or ~storage.models.AccountType
     """
@@ -470,7 +469,7 @@ def __init__(
         :paramtype location: str
         :keyword tags: A set of tags. Resource tags.
         :paramtype tags: dict[str, str]
-        :keyword account_type: Gets or sets the account type. Possible values include: "Standard_LRS",
+        :keyword account_type: Gets or sets the account type. Known values are: "Standard_LRS",
          "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
         :paramtype account_type: str or ~storage.models.AccountType
         """
@@ -537,7 +536,7 @@ def __init__(
 class StorageAccountRegenerateKeyParameters(msrest.serialization.Model):
     """StorageAccountRegenerateKeyParameters.
 
-    :ivar key_name: Possible values include: "key1", "key2".
+    :ivar key_name: Known values are: "key1", "key2".
     :vartype key_name: str or ~storage.models.KeyName
     """
 
@@ -547,7 +546,7 @@ class StorageAccountRegenerateKeyParameters(msrest.serialization.Model):
 
     def __init__(self, *, key_name: Optional[Union[str, "_models.KeyName"]] = None, **kwargs):
         """
-        :keyword key_name: Possible values include: "key1", "key2".
+        :keyword key_name: Known values are: "key1", "key2".
         :paramtype key_name: str or ~storage.models.KeyName
         """
         super(StorageAccountRegenerateKeyParameters, self).__init__(**kwargs)
@@ -573,8 +572,8 @@ class StorageAccountUpdateParameters(Resource):
     :vartype tags: dict[str, str]
     :ivar account_type: Gets or sets the account type. Note that StandardZRS and PremiumLRS
      accounts cannot be changed to other account types, and other account types cannot be changed to
-     StandardZRS or PremiumLRS. Possible values include: "Standard_LRS", "Standard_ZRS",
-     "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+     StandardZRS or PremiumLRS. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+     "Standard_RAGRS", "Premium_LRS".
     :vartype account_type: str or ~storage.models.AccountType
     :ivar custom_domain: User domain assigned to the storage account. Name is the CNAME source.
      Only one custom domain is supported per storage account at this time. To clear the existing
@@ -615,8 +614,8 @@ def __init__(
         :paramtype tags: dict[str, str]
         :keyword account_type: Gets or sets the account type. Note that StandardZRS and PremiumLRS
          accounts cannot be changed to other account types, and other account types cannot be changed to
-         StandardZRS or PremiumLRS. Possible values include: "Standard_LRS", "Standard_ZRS",
-         "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+         StandardZRS or PremiumLRS. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+         "Standard_RAGRS", "Premium_LRS".
         :paramtype account_type: str or ~storage.models.AccountType
         :keyword custom_domain: User domain assigned to the storage account. Name is the CNAME source.
          Only one custom domain is supported per storage account at this time. To clear the existing
@@ -651,7 +650,7 @@ def __init__(self, *, id: Optional[str] = None, **kwargs):
 class Usage(msrest.serialization.Model):
     """Describes Storage Resource Usage.
 
-    :ivar unit: Gets the unit of measurement. Possible values include: "Count", "Bytes", "Seconds",
+    :ivar unit: Gets the unit of measurement. Known values are: "Count", "Bytes", "Seconds",
      "Percent", "CountsPerSecond", "BytesPerSecond".
     :vartype unit: str or ~storage.models.UsageUnit
     :ivar current_value: Gets the current count of the allocated resources in the subscription.
@@ -679,8 +678,8 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword unit: Gets the unit of measurement. Possible values include: "Count", "Bytes",
-         "Seconds", "Percent", "CountsPerSecond", "BytesPerSecond".
+        :keyword unit: Gets the unit of measurement. Known values are: "Count", "Bytes", "Seconds",
+         "Percent", "CountsPerSecond", "BytesPerSecond".
         :paramtype unit: str or ~storage.models.UsageUnit
         :keyword current_value: Gets the current count of the allocated resources in the subscription.
         :paramtype current_value: int
diff --git a/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/operations/_storage_accounts_operations.py b/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/operations/_storage_accounts_operations.py
index 83867417fc8..639e1bf6d74 100644
--- a/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/operations/_storage_accounts_operations.py
+++ b/test/azure/legacy/Expected/AcceptanceTests/StorageManagementClient/storage/operations/_storage_accounts_operations.py
@@ -410,7 +410,7 @@ def check_name_availability(
          Storage account names must be between 3 and 24 characters in length and use numbers and
          lower-case letters only.
         :type account_name: ~storage.models.StorageAccountCheckNameAvailabilityParameters
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
@@ -540,7 +540,7 @@ def begin_create(
         :type account_name: str
         :param parameters: The parameters to provide for the created account.
         :type parameters: ~storage.models.StorageAccountCreateParameters
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
@@ -748,7 +748,7 @@ def update(
         :param parameters: The parameters to update on the account. Note that only one property can be
          changed at a time using this API.
         :type parameters: ~storage.models.StorageAccountUpdateParameters
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
@@ -1033,7 +1033,7 @@ def regenerate_key(
         :type account_name: str
         :param key_name:  Default value is None.
         :type key_name: str or ~storage.models.KeyName
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
diff --git a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lr_os_custom_header/_request_builders.py b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lr_os_custom_header/_request_builders.py
index 83117734733..1b18dfdd0fb 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lr_os_custom_header/_request_builders.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lr_os_custom_header/_request_builders.py
@@ -57,9 +57,9 @@ def build_put_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -75,9 +75,9 @@ def build_put_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -141,9 +141,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -159,9 +159,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -224,9 +224,9 @@ def build_post202_retry200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -290,9 +290,9 @@ def build_post_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lr_os_custom_header/_request_builders_py3.py b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lr_os_custom_header/_request_builders_py3.py
index 1bbab080e58..1cf6aba8a42 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lr_os_custom_header/_request_builders_py3.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lr_os_custom_header/_request_builders_py3.py
@@ -51,9 +51,9 @@ def build_put_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -69,9 +69,9 @@ def build_put_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -129,9 +129,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -147,9 +147,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -204,9 +204,9 @@ def build_post202_retry200_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -264,9 +264,9 @@ def build_post_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lro_retrys/_request_builders.py b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lro_retrys/_request_builders.py
index 2592ac41089..d7519d2c64d 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lro_retrys/_request_builders.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lro_retrys/_request_builders.py
@@ -56,9 +56,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -74,9 +74,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -139,9 +139,9 @@ def build_put_async_relative_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -157,9 +157,9 @@ def build_put_async_relative_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -216,9 +216,9 @@ def build_delete_provisioning202_accepted200_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -345,9 +345,9 @@ def build_post202_retry200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -410,9 +410,9 @@ def build_post_async_relative_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lro_retrys/_request_builders_py3.py b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lro_retrys/_request_builders_py3.py
index ab255ee38f8..b2b7ec44e83 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lro_retrys/_request_builders_py3.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lro_retrys/_request_builders_py3.py
@@ -50,9 +50,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -68,9 +68,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -127,9 +127,9 @@ def build_put_async_relative_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -145,9 +145,9 @@ def build_put_async_relative_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -196,9 +196,9 @@ def build_delete_provisioning202_accepted200_succeeded_request(**kwargs: Any) ->
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -301,9 +301,9 @@ def build_post202_retry200_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -360,9 +360,9 @@ def build_post_async_relative_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lros/_request_builders.py b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lros/_request_builders.py
index c681ccab1c3..41f24cca593 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lros/_request_builders.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lros/_request_builders.py
@@ -55,9 +55,9 @@ def build_put200_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -73,9 +73,9 @@ def build_put200_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -137,9 +137,9 @@ def build_patch200_succeeded_ignore_headers_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -155,9 +155,9 @@ def build_patch200_succeeded_ignore_headers_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -218,9 +218,9 @@ def build_patch201_retry_with_async_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -236,9 +236,9 @@ def build_patch201_retry_with_async_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -300,9 +300,9 @@ def build_patch202_retry_with_async_and_location_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -318,9 +318,9 @@ def build_patch202_retry_with_async_and_location_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -382,9 +382,9 @@ def build_put201_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -400,9 +400,9 @@ def build_put201_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -459,8 +459,8 @@ def build_post202_list_request(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                        "provisioningStateValues": "str"  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
                           "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
@@ -521,9 +521,9 @@ def build_put200_succeeded_no_state_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -539,9 +539,9 @@ def build_put200_succeeded_no_state_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -604,9 +604,9 @@ def build_put202_retry200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -622,9 +622,9 @@ def build_put202_retry200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -687,9 +687,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -705,9 +705,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -770,9 +770,9 @@ def build_put200_updating_succeeded204_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -788,9 +788,9 @@ def build_put200_updating_succeeded204_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -853,9 +853,9 @@ def build_put201_creating_failed200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -871,9 +871,9 @@ def build_put201_creating_failed200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -936,9 +936,9 @@ def build_put200_acceptedcanceled200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -954,9 +954,9 @@ def build_put200_acceptedcanceled200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1018,9 +1018,9 @@ def build_put_no_header_in_retry_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1036,9 +1036,9 @@ def build_put_no_header_in_retry_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1101,9 +1101,9 @@ def build_put_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1119,9 +1119,9 @@ def build_put_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1184,9 +1184,9 @@ def build_put_async_no_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1202,9 +1202,9 @@ def build_put_async_no_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1267,9 +1267,9 @@ def build_put_async_retry_failed_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1285,9 +1285,9 @@ def build_put_async_retry_failed_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1350,9 +1350,9 @@ def build_put_async_no_retrycanceled_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1368,9 +1368,9 @@ def build_put_async_no_retrycanceled_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1433,9 +1433,9 @@ def build_put_async_no_header_in_retry_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1451,9 +1451,9 @@ def build_put_async_no_header_in_retry_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1626,9 +1626,9 @@ def build_put_sub_resource_request(
                 "id": "str",  # Optional. Sub Resource Id.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 }
             }
 
@@ -1637,9 +1637,9 @@ def build_put_sub_resource_request(
                 "id": "str",  # Optional. Sub Resource Id.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 }
             }
     """
@@ -1693,9 +1693,9 @@ def build_put_async_sub_resource_request(
                 "id": "str",  # Optional. Sub Resource Id.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 }
             }
 
@@ -1704,9 +1704,9 @@ def build_put_async_sub_resource_request(
                 "id": "str",  # Optional. Sub Resource Id.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 }
             }
     """
@@ -1758,9 +1758,9 @@ def build_delete_provisioning202_accepted200_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1814,9 +1814,9 @@ def build_delete_provisioning202_deleting_failed200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1870,9 +1870,9 @@ def build_delete_provisioning202_deletingcanceled200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1958,9 +1958,9 @@ def build_delete202_retry200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2013,9 +2013,9 @@ def build_delete202_no_retry204_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2321,9 +2321,9 @@ def build_post202_retry200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2385,9 +2385,9 @@ def build_post202_no_retry204_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2403,9 +2403,9 @@ def build_post202_no_retry204_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2462,9 +2462,9 @@ def build_post_double_headers_final_location_get_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2518,9 +2518,9 @@ def build_post_double_headers_final_azure_header_get_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2574,9 +2574,9 @@ def build_post_double_headers_final_azure_header_get_default_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2636,9 +2636,9 @@ def build_post_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2654,9 +2654,9 @@ def build_post_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2719,9 +2719,9 @@ def build_post_async_no_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2737,9 +2737,9 @@ def build_post_async_no_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2802,9 +2802,9 @@ def build_post_async_retry_failed_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2867,9 +2867,9 @@ def build_post_async_retrycanceled_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lros/_request_builders_py3.py b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lros/_request_builders_py3.py
index 7620cf7c141..a5ac266efdd 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lros/_request_builders_py3.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lros/_request_builders_py3.py
@@ -47,9 +47,9 @@ def build_put200_succeeded_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -65,9 +65,9 @@ def build_put200_succeeded_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -123,9 +123,9 @@ def build_patch200_succeeded_ignore_headers_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -141,9 +141,9 @@ def build_patch200_succeeded_ignore_headers_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -198,9 +198,9 @@ def build_patch201_retry_with_async_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -216,9 +216,9 @@ def build_patch201_retry_with_async_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -274,9 +274,9 @@ def build_patch202_retry_with_async_and_location_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -292,9 +292,9 @@ def build_patch202_retry_with_async_and_location_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -348,9 +348,9 @@ def build_put201_succeeded_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -366,9 +366,9 @@ def build_put201_succeeded_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -417,8 +417,8 @@ def build_post202_list_request(**kwargs: Any) -> HttpRequest:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                        "provisioningStateValues": "str"  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
                           "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
@@ -473,9 +473,9 @@ def build_put200_succeeded_no_state_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -491,9 +491,9 @@ def build_put200_succeeded_no_state_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -548,9 +548,9 @@ def build_put202_retry200_request(*, json: JSONType = None, content: Any = None,
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -566,9 +566,9 @@ def build_put202_retry200_request(*, json: JSONType = None, content: Any = None,
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -625,9 +625,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -643,9 +643,9 @@ def build_put201_creating_succeeded200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -702,9 +702,9 @@ def build_put200_updating_succeeded204_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -720,9 +720,9 @@ def build_put200_updating_succeeded204_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -779,9 +779,9 @@ def build_put201_creating_failed200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -797,9 +797,9 @@ def build_put201_creating_failed200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -856,9 +856,9 @@ def build_put200_acceptedcanceled200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -874,9 +874,9 @@ def build_put200_acceptedcanceled200_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -930,9 +930,9 @@ def build_put_no_header_in_retry_request(*, json: JSONType = None, content: Any
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -948,9 +948,9 @@ def build_put_no_header_in_retry_request(*, json: JSONType = None, content: Any
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1007,9 +1007,9 @@ def build_put_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1025,9 +1025,9 @@ def build_put_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1084,9 +1084,9 @@ def build_put_async_no_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1102,9 +1102,9 @@ def build_put_async_no_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1159,9 +1159,9 @@ def build_put_async_retry_failed_request(*, json: JSONType = None, content: Any
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1177,9 +1177,9 @@ def build_put_async_retry_failed_request(*, json: JSONType = None, content: Any
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1236,9 +1236,9 @@ def build_put_async_no_retrycanceled_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1254,9 +1254,9 @@ def build_put_async_no_retrycanceled_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1313,9 +1313,9 @@ def build_put_async_no_header_in_retry_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1331,9 +1331,9 @@ def build_put_async_no_header_in_retry_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1482,9 +1482,9 @@ def build_put_sub_resource_request(*, json: JSONType = None, content: Any = None
                 "id": "str",  # Optional. Sub Resource Id.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 }
             }
 
@@ -1493,9 +1493,9 @@ def build_put_sub_resource_request(*, json: JSONType = None, content: Any = None
                 "id": "str",  # Optional. Sub Resource Id.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 }
             }
     """
@@ -1541,9 +1541,9 @@ def build_put_async_sub_resource_request(*, json: JSONType = None, content: Any
                 "id": "str",  # Optional. Sub Resource Id.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 }
             }
 
@@ -1552,9 +1552,9 @@ def build_put_async_sub_resource_request(*, json: JSONType = None, content: Any
                 "id": "str",  # Optional. Sub Resource Id.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 }
             }
     """
@@ -1598,9 +1598,9 @@ def build_delete_provisioning202_accepted200_succeeded_request(**kwargs: Any) ->
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1646,9 +1646,9 @@ def build_delete_provisioning202_deleting_failed200_request(**kwargs: Any) -> Ht
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1694,9 +1694,9 @@ def build_delete_provisioning202_deletingcanceled200_request(**kwargs: Any) -> H
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1766,9 +1766,9 @@ def build_delete202_retry200_request(**kwargs: Any) -> HttpRequest:
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1813,9 +1813,9 @@ def build_delete202_no_retry204_request(**kwargs: Any) -> HttpRequest:
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2057,9 +2057,9 @@ def build_post202_retry200_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2113,9 +2113,9 @@ def build_post202_no_retry204_request(*, json: JSONType = None, content: Any = N
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2131,9 +2131,9 @@ def build_post202_no_retry204_request(*, json: JSONType = None, content: Any = N
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2182,9 +2182,9 @@ def build_post_double_headers_final_location_get_request(**kwargs: Any) -> HttpR
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2230,9 +2230,9 @@ def build_post_double_headers_final_azure_header_get_request(**kwargs: Any) -> H
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2278,9 +2278,9 @@ def build_post_double_headers_final_azure_header_get_default_request(**kwargs: A
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2334,9 +2334,9 @@ def build_post_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2352,9 +2352,9 @@ def build_post_async_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2411,9 +2411,9 @@ def build_post_async_no_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2429,9 +2429,9 @@ def build_post_async_no_retry_succeeded_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2486,9 +2486,9 @@ def build_post_async_retry_failed_request(*, json: JSONType = None, content: Any
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2543,9 +2543,9 @@ def build_post_async_retrycanceled_request(*, json: JSONType = None, content: An
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lrosads/_request_builders.py b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lrosads/_request_builders.py
index c8e1c43f3e7..cb527ec4b86 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lrosads/_request_builders.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lrosads/_request_builders.py
@@ -54,9 +54,9 @@ def build_put_non_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -72,9 +72,9 @@ def build_put_non_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -136,9 +136,9 @@ def build_put_non_retry201_creating400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -154,9 +154,9 @@ def build_put_non_retry201_creating400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -218,9 +218,9 @@ def build_put_non_retry201_creating400_invalid_json_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -236,9 +236,9 @@ def build_put_non_retry201_creating400_invalid_json_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -300,9 +300,9 @@ def build_put_async_relative_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -318,9 +318,9 @@ def build_put_async_relative_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -481,9 +481,9 @@ def build_post_non_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -544,9 +544,9 @@ def build_post202_non_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -608,9 +608,9 @@ def build_post_async_relative_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -671,9 +671,9 @@ def build_put_error201_no_provisioning_state_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -689,9 +689,9 @@ def build_put_error201_no_provisioning_state_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -754,9 +754,9 @@ def build_put_async_relative_retry_no_status_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -772,9 +772,9 @@ def build_put_async_relative_retry_no_status_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -837,9 +837,9 @@ def build_put_async_relative_retry_no_status_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -855,9 +855,9 @@ def build_put_async_relative_retry_no_status_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -986,9 +986,9 @@ def build_post202_no_location_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1051,9 +1051,9 @@ def build_post_async_relative_retry_no_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1115,9 +1115,9 @@ def build_put200_invalid_json_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1133,9 +1133,9 @@ def build_put200_invalid_json_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1198,9 +1198,9 @@ def build_put_async_relative_retry_invalid_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1216,9 +1216,9 @@ def build_put_async_relative_retry_invalid_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1281,9 +1281,9 @@ def build_put_async_relative_retry_invalid_json_polling_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1299,9 +1299,9 @@ def build_put_async_relative_retry_invalid_json_polling_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1465,9 +1465,9 @@ def build_post202_retry_invalid_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1530,9 +1530,9 @@ def build_post_async_relative_retry_invalid_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1595,9 +1595,9 @@ def build_post_async_relative_retry_invalid_json_polling_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lrosads/_request_builders_py3.py b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lrosads/_request_builders_py3.py
index 1c55e5b4ddf..75ae5aefd43 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lrosads/_request_builders_py3.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/LroLowLevel/lrolowlevel/rest/lrosads/_request_builders_py3.py
@@ -46,9 +46,9 @@ def build_put_non_retry400_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -64,9 +64,9 @@ def build_put_non_retry400_request(*, json: JSONType = None, content: Any = None
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -122,9 +122,9 @@ def build_put_non_retry201_creating400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -140,9 +140,9 @@ def build_put_non_retry201_creating400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -198,9 +198,9 @@ def build_put_non_retry201_creating400_invalid_json_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -216,9 +216,9 @@ def build_put_non_retry201_creating400_invalid_json_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -274,9 +274,9 @@ def build_put_async_relative_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -292,9 +292,9 @@ def build_put_async_relative_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -423,9 +423,9 @@ def build_post_non_retry400_request(*, json: JSONType = None, content: Any = Non
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -478,9 +478,9 @@ def build_post202_non_retry400_request(*, json: JSONType = None, content: Any =
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -536,9 +536,9 @@ def build_post_async_relative_retry400_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -593,9 +593,9 @@ def build_put_error201_no_provisioning_state_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -611,9 +611,9 @@ def build_put_error201_no_provisioning_state_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -670,9 +670,9 @@ def build_put_async_relative_retry_no_status_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -688,9 +688,9 @@ def build_put_async_relative_retry_no_status_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -747,9 +747,9 @@ def build_put_async_relative_retry_no_status_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -765,9 +765,9 @@ def build_put_async_relative_retry_no_status_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -872,9 +872,9 @@ def build_post202_no_location_request(*, json: JSONType = None, content: Any = N
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -931,9 +931,9 @@ def build_post_async_relative_retry_no_payload_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -987,9 +987,9 @@ def build_put200_invalid_json_request(*, json: JSONType = None, content: Any = N
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1005,9 +1005,9 @@ def build_put200_invalid_json_request(*, json: JSONType = None, content: Any = N
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1064,9 +1064,9 @@ def build_put_async_relative_retry_invalid_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1082,9 +1082,9 @@ def build_put_async_relative_retry_invalid_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1141,9 +1141,9 @@ def build_put_async_relative_retry_invalid_json_polling_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1159,9 +1159,9 @@ def build_put_async_relative_retry_invalid_json_polling_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1295,9 +1295,9 @@ def build_post202_retry_invalid_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1354,9 +1354,9 @@ def build_post_async_relative_retry_invalid_header_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1413,9 +1413,9 @@ def build_post_async_relative_retry_invalid_json_polling_request(
                 "name": "str",  # Optional. Resource Name.
                 "properties": {
                     "provisioningState": "str",  # Optional.
-                    "provisioningStateValues": "str"  # Optional. Possible values
-                      include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                      "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                    "provisioningStateValues": "str"  # Optional. Known values are:
+                      "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                      "Updating", "Updated", "Deleting", "Deleted", "OK".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/storage_accounts/_request_builders.py b/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/storage_accounts/_request_builders.py
index 3d195693296..a4bdcd538ff 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/storage_accounts/_request_builders.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/storage_accounts/_request_builders.py
@@ -49,7 +49,7 @@ def build_check_name_availability_request(
      resource group. Storage account names must be between 3 and 24 characters in length and use
      numbers and lower-case letters only. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "text/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -75,7 +75,7 @@ def build_check_name_availability_request(
                   false, the name has already been taken or invalid and cannot be used.
                 "reason": "str"  # Optional. Gets the reason that a storage account name
                   could not be used. The Reason element is only returned if NameAvailable is false.
-                  Possible values include: "AccountNameInvalid", "AlreadyExists".
+                  Known values are: "AccountNameInvalid", "AlreadyExists".
             }
     """
 
@@ -143,7 +143,7 @@ def build_create_request(
      a byte iterator, or stream input). The parameters to provide for the created account. Default
      value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "text/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -160,7 +160,7 @@ def build_create_request(
                 "name": "str",  # Optional. Resource name.
                 "properties": {
                     "accountType": "str"  # Optional. Gets or sets the account type.
-                      Possible values include: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
                       "Standard_RAGRS", "Premium_LRS".
                 },
                 "tags": {
@@ -176,8 +176,8 @@ def build_create_request(
                 "name": "str",  # Optional. Resource name.
                 "properties": {
                     "accountType": "str",  # Optional. Gets the type of the storage
-                      account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                      "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                      account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      "Standard_RAGRS", "Premium_LRS".
                     "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                       date and time of the storage account in UTC.
                     "customDomain": {
@@ -206,8 +206,8 @@ def build_create_request(
                     "primaryLocation": "str",  # Optional. Gets the location of the
                       primary for the storage account.
                     "provisioningState": "str",  # Optional. Gets the status of the
-                      storage account at the time the operation was called. Possible values
-                      include: "Creating", "ResolvingDNS", "Succeeded".
+                      storage account at the time the operation was called. Known values are:
+                      "Creating", "ResolvingDNS", "Succeeded".
                     "secondaryEndpoints": {
                         "FooPoint": {
                             "Bar.Point": {
@@ -224,11 +224,11 @@ def build_create_request(
                       accountType is StandardGRS or StandardRAGRS.
                     "statusOfPrimary": "str",  # Optional. Gets the status indicating
                       whether the primary location of the storage account is available or
-                      unavailable. Possible values include: "Available", "Unavailable".
+                      unavailable. Known values are: "Available", "Unavailable".
                     "statusOfSecondary": "str"  # Optional. Gets the status indicating
                       whether the secondary location of the storage account is available or
                       unavailable. Only available if the accountType is StandardGRS or
-                      StandardRAGRS. Possible values include: "Available", "Unavailable".
+                      StandardRAGRS. Known values are: "Available", "Unavailable".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Resource tags.
@@ -360,8 +360,8 @@ def build_get_properties_request(
                 "name": "str",  # Optional. Resource name.
                 "properties": {
                     "accountType": "str",  # Optional. Gets the type of the storage
-                      account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                      "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                      account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      "Standard_RAGRS", "Premium_LRS".
                     "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                       date and time of the storage account in UTC.
                     "customDomain": {
@@ -390,8 +390,8 @@ def build_get_properties_request(
                     "primaryLocation": "str",  # Optional. Gets the location of the
                       primary for the storage account.
                     "provisioningState": "str",  # Optional. Gets the status of the
-                      storage account at the time the operation was called. Possible values
-                      include: "Creating", "ResolvingDNS", "Succeeded".
+                      storage account at the time the operation was called. Known values are:
+                      "Creating", "ResolvingDNS", "Succeeded".
                     "secondaryEndpoints": {
                         "FooPoint": {
                             "Bar.Point": {
@@ -408,11 +408,11 @@ def build_get_properties_request(
                       accountType is StandardGRS or StandardRAGRS.
                     "statusOfPrimary": "str",  # Optional. Gets the status indicating
                       whether the primary location of the storage account is available or
-                      unavailable. Possible values include: "Available", "Unavailable".
+                      unavailable. Known values are: "Available", "Unavailable".
                     "statusOfSecondary": "str"  # Optional. Gets the status indicating
                       whether the secondary location of the storage account is available or
                       unavailable. Only available if the accountType is StandardGRS or
-                      StandardRAGRS. Possible values include: "Available", "Unavailable".
+                      StandardRAGRS. Known values are: "Available", "Unavailable".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Resource tags.
@@ -487,7 +487,7 @@ def build_update_request(
      a byte iterator, or stream input). The parameters to update on the account. Note that only one
      property can be changed at a time using this API. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "text/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -506,8 +506,8 @@ def build_update_request(
                     "accountType": "str",  # Optional. Gets or sets the account type.
                       Note that StandardZRS and PremiumLRS accounts cannot be changed to other
                       account types, and other account types cannot be changed to StandardZRS or
-                      PremiumLRS. Possible values include: "Standard_LRS", "Standard_ZRS",
-                      "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                      PremiumLRS. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      "Standard_RAGRS", "Premium_LRS".
                     "customDomain": {
                         "name": "str",  # Optional. Gets or sets the custom domain
                           name. Name is the CNAME source.
@@ -529,8 +529,8 @@ def build_update_request(
                 "name": "str",  # Optional. Resource name.
                 "properties": {
                     "accountType": "str",  # Optional. Gets the type of the storage
-                      account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                      "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                      account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      "Standard_RAGRS", "Premium_LRS".
                     "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                       date and time of the storage account in UTC.
                     "customDomain": {
@@ -559,8 +559,8 @@ def build_update_request(
                     "primaryLocation": "str",  # Optional. Gets the location of the
                       primary for the storage account.
                     "provisioningState": "str",  # Optional. Gets the status of the
-                      storage account at the time the operation was called. Possible values
-                      include: "Creating", "ResolvingDNS", "Succeeded".
+                      storage account at the time the operation was called. Known values are:
+                      "Creating", "ResolvingDNS", "Succeeded".
                     "secondaryEndpoints": {
                         "FooPoint": {
                             "Bar.Point": {
@@ -577,11 +577,11 @@ def build_update_request(
                       accountType is StandardGRS or StandardRAGRS.
                     "statusOfPrimary": "str",  # Optional. Gets the status indicating
                       whether the primary location of the storage account is available or
-                      unavailable. Possible values include: "Available", "Unavailable".
+                      unavailable. Known values are: "Available", "Unavailable".
                     "statusOfSecondary": "str"  # Optional. Gets the status indicating
                       whether the secondary location of the storage account is available or
                       unavailable. Only available if the accountType is StandardGRS or
-                      StandardRAGRS. Possible values include: "Available", "Unavailable".
+                      StandardRAGRS. Known values are: "Available", "Unavailable".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Resource tags.
@@ -722,7 +722,7 @@ def build_list_request(
                         "name": "str",  # Optional. Resource name.
                         "properties": {
                             "accountType": "str",  # Optional. Gets the type of
-                              the storage account. Possible values include: "Standard_LRS",
+                              the storage account. Known values are: "Standard_LRS",
                               "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
                             "creationTime": "2020-02-20 00:00:00",  # Optional.
                               Gets the creation date and time of the storage account in UTC.
@@ -757,7 +757,7 @@ def build_list_request(
                               location of the primary for the storage account.
                             "provisioningState": "str",  # Optional. Gets the
                               status of the storage account at the time the operation was called.
-                              Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+                              Known values are: "Creating", "ResolvingDNS", "Succeeded".
                             "secondaryEndpoints": {
                                 "FooPoint": {
                                     "Bar.Point": {
@@ -777,12 +777,12 @@ def build_list_request(
                               Only available if the accountType is StandardGRS or StandardRAGRS.
                             "statusOfPrimary": "str",  # Optional. Gets the
                               status indicating whether the primary location of the storage account
-                              is available or unavailable. Possible values include: "Available",
+                              is available or unavailable. Known values are: "Available",
                               "Unavailable".
                             "statusOfSecondary": "str"  # Optional. Gets the
                               status indicating whether the secondary location of the storage
                               account is available or unavailable. Only available if the
-                              accountType is StandardGRS or StandardRAGRS. Possible values include:
+                              accountType is StandardGRS or StandardRAGRS. Known values are:
                               "Available", "Unavailable".
                         },
                         "tags": {
@@ -860,7 +860,7 @@ def build_list_by_resource_group_request(
                         "name": "str",  # Optional. Resource name.
                         "properties": {
                             "accountType": "str",  # Optional. Gets the type of
-                              the storage account. Possible values include: "Standard_LRS",
+                              the storage account. Known values are: "Standard_LRS",
                               "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
                             "creationTime": "2020-02-20 00:00:00",  # Optional.
                               Gets the creation date and time of the storage account in UTC.
@@ -895,7 +895,7 @@ def build_list_by_resource_group_request(
                               location of the primary for the storage account.
                             "provisioningState": "str",  # Optional. Gets the
                               status of the storage account at the time the operation was called.
-                              Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+                              Known values are: "Creating", "ResolvingDNS", "Succeeded".
                             "secondaryEndpoints": {
                                 "FooPoint": {
                                     "Bar.Point": {
@@ -915,12 +915,12 @@ def build_list_by_resource_group_request(
                               Only available if the accountType is StandardGRS or StandardRAGRS.
                             "statusOfPrimary": "str",  # Optional. Gets the
                               status indicating whether the primary location of the storage account
-                              is available or unavailable. Possible values include: "Available",
+                              is available or unavailable. Known values are: "Available",
                               "Unavailable".
                             "statusOfSecondary": "str"  # Optional. Gets the
                               status indicating whether the secondary location of the storage
                               account is available or unavailable. Only available if the
-                              accountType is StandardGRS or StandardRAGRS. Possible values include:
+                              accountType is StandardGRS or StandardRAGRS. Known values are:
                               "Available", "Unavailable".
                         },
                         "tags": {
@@ -992,7 +992,7 @@ def build_regenerate_key_request(
      a byte iterator, or stream input). Specifies name of the key which should be regenerated.
      Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "text/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -1004,7 +1004,7 @@ def build_regenerate_key_request(
 
             # JSON input template you can fill out and use as your body input.
             json = {
-                "keyName": "str"  # Optional. Possible values include: "key1", "key2".
+                "keyName": "str"  # Optional. Known values are: "key1", "key2".
             }
 
             # response body for status code(s): 200
diff --git a/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/storage_accounts/_request_builders_py3.py b/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/storage_accounts/_request_builders_py3.py
index 238b56c3aa7..90379ba94db 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/storage_accounts/_request_builders_py3.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/storage_accounts/_request_builders_py3.py
@@ -42,7 +42,7 @@ def build_check_name_availability_request(
      resource group. Storage account names must be between 3 and 24 characters in length and use
      numbers and lower-case letters only. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "text/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -68,7 +68,7 @@ def build_check_name_availability_request(
                   false, the name has already been taken or invalid and cannot be used.
                 "reason": "str"  # Optional. Gets the reason that a storage account name
                   could not be used. The Reason element is only returned if NameAvailable is false.
-                  Possible values include: "AccountNameInvalid", "AlreadyExists".
+                  Known values are: "AccountNameInvalid", "AlreadyExists".
             }
     """
 
@@ -132,7 +132,7 @@ def build_create_request(
      a byte iterator, or stream input). The parameters to provide for the created account. Default
      value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "text/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -149,7 +149,7 @@ def build_create_request(
                 "name": "str",  # Optional. Resource name.
                 "properties": {
                     "accountType": "str"  # Optional. Gets or sets the account type.
-                      Possible values include: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
                       "Standard_RAGRS", "Premium_LRS".
                 },
                 "tags": {
@@ -165,8 +165,8 @@ def build_create_request(
                 "name": "str",  # Optional. Resource name.
                 "properties": {
                     "accountType": "str",  # Optional. Gets the type of the storage
-                      account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                      "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                      account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      "Standard_RAGRS", "Premium_LRS".
                     "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                       date and time of the storage account in UTC.
                     "customDomain": {
@@ -195,8 +195,8 @@ def build_create_request(
                     "primaryLocation": "str",  # Optional. Gets the location of the
                       primary for the storage account.
                     "provisioningState": "str",  # Optional. Gets the status of the
-                      storage account at the time the operation was called. Possible values
-                      include: "Creating", "ResolvingDNS", "Succeeded".
+                      storage account at the time the operation was called. Known values are:
+                      "Creating", "ResolvingDNS", "Succeeded".
                     "secondaryEndpoints": {
                         "FooPoint": {
                             "Bar.Point": {
@@ -213,11 +213,11 @@ def build_create_request(
                       accountType is StandardGRS or StandardRAGRS.
                     "statusOfPrimary": "str",  # Optional. Gets the status indicating
                       whether the primary location of the storage account is available or
-                      unavailable. Possible values include: "Available", "Unavailable".
+                      unavailable. Known values are: "Available", "Unavailable".
                     "statusOfSecondary": "str"  # Optional. Gets the status indicating
                       whether the secondary location of the storage account is available or
                       unavailable. Only available if the accountType is StandardGRS or
-                      StandardRAGRS. Possible values include: "Available", "Unavailable".
+                      StandardRAGRS. Known values are: "Available", "Unavailable".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Resource tags.
@@ -330,8 +330,8 @@ def build_get_properties_request(
                 "name": "str",  # Optional. Resource name.
                 "properties": {
                     "accountType": "str",  # Optional. Gets the type of the storage
-                      account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                      "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                      account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      "Standard_RAGRS", "Premium_LRS".
                     "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                       date and time of the storage account in UTC.
                     "customDomain": {
@@ -360,8 +360,8 @@ def build_get_properties_request(
                     "primaryLocation": "str",  # Optional. Gets the location of the
                       primary for the storage account.
                     "provisioningState": "str",  # Optional. Gets the status of the
-                      storage account at the time the operation was called. Possible values
-                      include: "Creating", "ResolvingDNS", "Succeeded".
+                      storage account at the time the operation was called. Known values are:
+                      "Creating", "ResolvingDNS", "Succeeded".
                     "secondaryEndpoints": {
                         "FooPoint": {
                             "Bar.Point": {
@@ -378,11 +378,11 @@ def build_get_properties_request(
                       accountType is StandardGRS or StandardRAGRS.
                     "statusOfPrimary": "str",  # Optional. Gets the status indicating
                       whether the primary location of the storage account is available or
-                      unavailable. Possible values include: "Available", "Unavailable".
+                      unavailable. Known values are: "Available", "Unavailable".
                     "statusOfSecondary": "str"  # Optional. Gets the status indicating
                       whether the secondary location of the storage account is available or
                       unavailable. Only available if the accountType is StandardGRS or
-                      StandardRAGRS. Possible values include: "Available", "Unavailable".
+                      StandardRAGRS. Known values are: "Available", "Unavailable".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Resource tags.
@@ -453,7 +453,7 @@ def build_update_request(
      a byte iterator, or stream input). The parameters to update on the account. Note that only one
      property can be changed at a time using this API. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "text/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -472,8 +472,8 @@ def build_update_request(
                     "accountType": "str",  # Optional. Gets or sets the account type.
                       Note that StandardZRS and PremiumLRS accounts cannot be changed to other
                       account types, and other account types cannot be changed to StandardZRS or
-                      PremiumLRS. Possible values include: "Standard_LRS", "Standard_ZRS",
-                      "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                      PremiumLRS. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      "Standard_RAGRS", "Premium_LRS".
                     "customDomain": {
                         "name": "str",  # Optional. Gets or sets the custom domain
                           name. Name is the CNAME source.
@@ -495,8 +495,8 @@ def build_update_request(
                 "name": "str",  # Optional. Resource name.
                 "properties": {
                     "accountType": "str",  # Optional. Gets the type of the storage
-                      account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                      "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                      account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                      "Standard_RAGRS", "Premium_LRS".
                     "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                       date and time of the storage account in UTC.
                     "customDomain": {
@@ -525,8 +525,8 @@ def build_update_request(
                     "primaryLocation": "str",  # Optional. Gets the location of the
                       primary for the storage account.
                     "provisioningState": "str",  # Optional. Gets the status of the
-                      storage account at the time the operation was called. Possible values
-                      include: "Creating", "ResolvingDNS", "Succeeded".
+                      storage account at the time the operation was called. Known values are:
+                      "Creating", "ResolvingDNS", "Succeeded".
                     "secondaryEndpoints": {
                         "FooPoint": {
                             "Bar.Point": {
@@ -543,11 +543,11 @@ def build_update_request(
                       accountType is StandardGRS or StandardRAGRS.
                     "statusOfPrimary": "str",  # Optional. Gets the status indicating
                       whether the primary location of the storage account is available or
-                      unavailable. Possible values include: "Available", "Unavailable".
+                      unavailable. Known values are: "Available", "Unavailable".
                     "statusOfSecondary": "str"  # Optional. Gets the status indicating
                       whether the secondary location of the storage account is available or
                       unavailable. Only available if the accountType is StandardGRS or
-                      StandardRAGRS. Possible values include: "Available", "Unavailable".
+                      StandardRAGRS. Known values are: "Available", "Unavailable".
                 },
                 "tags": {
                     "str": "str"  # Optional. A set of tags. Resource tags.
@@ -668,7 +668,7 @@ def build_list_request(subscription_id: str, **kwargs: Any) -> HttpRequest:
                         "name": "str",  # Optional. Resource name.
                         "properties": {
                             "accountType": "str",  # Optional. Gets the type of
-                              the storage account. Possible values include: "Standard_LRS",
+                              the storage account. Known values are: "Standard_LRS",
                               "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
                             "creationTime": "2020-02-20 00:00:00",  # Optional.
                               Gets the creation date and time of the storage account in UTC.
@@ -703,7 +703,7 @@ def build_list_request(subscription_id: str, **kwargs: Any) -> HttpRequest:
                               location of the primary for the storage account.
                             "provisioningState": "str",  # Optional. Gets the
                               status of the storage account at the time the operation was called.
-                              Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+                              Known values are: "Creating", "ResolvingDNS", "Succeeded".
                             "secondaryEndpoints": {
                                 "FooPoint": {
                                     "Bar.Point": {
@@ -723,12 +723,12 @@ def build_list_request(subscription_id: str, **kwargs: Any) -> HttpRequest:
                               Only available if the accountType is StandardGRS or StandardRAGRS.
                             "statusOfPrimary": "str",  # Optional. Gets the
                               status indicating whether the primary location of the storage account
-                              is available or unavailable. Possible values include: "Available",
+                              is available or unavailable. Known values are: "Available",
                               "Unavailable".
                             "statusOfSecondary": "str"  # Optional. Gets the
                               status indicating whether the secondary location of the storage
                               account is available or unavailable. Only available if the
-                              accountType is StandardGRS or StandardRAGRS. Possible values include:
+                              accountType is StandardGRS or StandardRAGRS. Known values are:
                               "Available", "Unavailable".
                         },
                         "tags": {
@@ -795,7 +795,7 @@ def build_list_by_resource_group_request(resource_group_name: str, subscription_
                         "name": "str",  # Optional. Resource name.
                         "properties": {
                             "accountType": "str",  # Optional. Gets the type of
-                              the storage account. Possible values include: "Standard_LRS",
+                              the storage account. Known values are: "Standard_LRS",
                               "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
                             "creationTime": "2020-02-20 00:00:00",  # Optional.
                               Gets the creation date and time of the storage account in UTC.
@@ -830,7 +830,7 @@ def build_list_by_resource_group_request(resource_group_name: str, subscription_
                               location of the primary for the storage account.
                             "provisioningState": "str",  # Optional. Gets the
                               status of the storage account at the time the operation was called.
-                              Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+                              Known values are: "Creating", "ResolvingDNS", "Succeeded".
                             "secondaryEndpoints": {
                                 "FooPoint": {
                                     "Bar.Point": {
@@ -850,12 +850,12 @@ def build_list_by_resource_group_request(resource_group_name: str, subscription_
                               Only available if the accountType is StandardGRS or StandardRAGRS.
                             "statusOfPrimary": "str",  # Optional. Gets the
                               status indicating whether the primary location of the storage account
-                              is available or unavailable. Possible values include: "Available",
+                              is available or unavailable. Known values are: "Available",
                               "Unavailable".
                             "statusOfSecondary": "str"  # Optional. Gets the
                               status indicating whether the secondary location of the storage
                               account is available or unavailable. Only available if the
-                              accountType is StandardGRS or StandardRAGRS. Possible values include:
+                              accountType is StandardGRS or StandardRAGRS. Known values are:
                               "Available", "Unavailable".
                         },
                         "tags": {
@@ -925,7 +925,7 @@ def build_regenerate_key_request(
      a byte iterator, or stream input). Specifies name of the key which should be regenerated.
      Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "text/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -937,7 +937,7 @@ def build_regenerate_key_request(
 
             # JSON input template you can fill out and use as your body input.
             json = {
-                "keyName": "str"  # Optional. Possible values include: "key1", "key2".
+                "keyName": "str"  # Optional. Known values are: "key1", "key2".
             }
 
             # response body for status code(s): 200
diff --git a/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/usage/_request_builders.py b/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/usage/_request_builders.py
index f02c699c43e..d8bba210d49 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/usage/_request_builders.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/usage/_request_builders.py
@@ -59,7 +59,7 @@ def build_list_request(
                               the resource name.
                         },
                         "unit": "str"  # Optional. Gets the unit of measurement.
-                          Possible values include: "Count", "Bytes", "Seconds", "Percent",
+                          Known values are: "Count", "Bytes", "Seconds", "Percent",
                           "CountsPerSecond", "BytesPerSecond".
                     }
                 ]
diff --git a/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/usage/_request_builders_py3.py b/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/usage/_request_builders_py3.py
index e80b71016f7..f38024977c4 100644
--- a/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/usage/_request_builders_py3.py
+++ b/test/azure/low-level/Expected/AcceptanceTests/StorageManagementClientLowLevel/storagelowlevel/rest/usage/_request_builders_py3.py
@@ -50,7 +50,7 @@ def build_list_request(subscription_id: str, **kwargs: Any) -> HttpRequest:
                               the resource name.
                         },
                         "unit": "str"  # Optional. Gets the unit of measurement.
-                          Possible values include: "Count", "Bytes", "Seconds", "Percent",
+                          Known values are: "Count", "Bytes", "Seconds", "Percent",
                           "CountsPerSecond", "BytesPerSecond".
                     }
                 ]
diff --git a/test/azure/version-tolerant/Expected/AcceptanceTests/LroVersionTolerant/lroversiontolerant/aio/operations/_operations.py b/test/azure/version-tolerant/Expected/AcceptanceTests/LroVersionTolerant/lroversiontolerant/aio/operations/_operations.py
index e4dfeb6d39c..fec77f0efee 100644
--- a/test/azure/version-tolerant/Expected/AcceptanceTests/LroVersionTolerant/lroversiontolerant/aio/operations/_operations.py
+++ b/test/azure/version-tolerant/Expected/AcceptanceTests/LroVersionTolerant/lroversiontolerant/aio/operations/_operations.py
@@ -204,9 +204,9 @@ async def begin_put200_succeeded(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -222,9 +222,9 @@ async def begin_put200_succeeded(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -358,9 +358,9 @@ async def begin_patch200_succeeded_ignore_headers(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -376,9 +376,9 @@ async def begin_patch200_succeeded_ignore_headers(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -523,9 +523,9 @@ async def begin_patch201_retry_with_async_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -541,9 +541,9 @@ async def begin_patch201_retry_with_async_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -690,9 +690,9 @@ async def begin_patch202_retry_with_async_and_location_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -708,9 +708,9 @@ async def begin_patch202_retry_with_async_and_location_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -837,9 +837,9 @@ async def begin_put201_succeeded(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -855,9 +855,9 @@ async def begin_put201_succeeded(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -982,8 +982,8 @@ async def begin_post202_list(self, **kwargs: Any) -> AsyncLROPoller[List[JSONTyp
                         "name": "str",  # Optional. Resource Name.
                         "properties": {
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str"  # Optional. Possible values
-                              include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                            "provisioningStateValues": "str"  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
                               "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         },
                         "tags": {
@@ -1106,9 +1106,9 @@ async def begin_put200_succeeded_no_state(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1124,9 +1124,9 @@ async def begin_put200_succeeded_no_state(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1254,9 +1254,9 @@ async def begin_put202_retry200(self, product: JSONType = None, **kwargs: Any) -
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1272,9 +1272,9 @@ async def begin_put202_retry200(self, product: JSONType = None, **kwargs: Any) -
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1411,9 +1411,9 @@ async def begin_put201_creating_succeeded200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1429,9 +1429,9 @@ async def begin_put201_creating_succeeded200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1561,9 +1561,9 @@ async def begin_put200_updating_succeeded204(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1579,9 +1579,9 @@ async def begin_put200_updating_succeeded204(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1718,9 +1718,9 @@ async def begin_put201_creating_failed200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1736,9 +1736,9 @@ async def begin_put201_creating_failed200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1868,9 +1868,9 @@ async def begin_put200_acceptedcanceled200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1886,9 +1886,9 @@ async def begin_put200_acceptedcanceled200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2018,9 +2018,9 @@ async def begin_put_no_header_in_retry(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2036,9 +2036,9 @@ async def begin_put_no_header_in_retry(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2178,9 +2178,9 @@ async def begin_put_async_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2196,9 +2196,9 @@ async def begin_put_async_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2341,9 +2341,9 @@ async def begin_put_async_no_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2359,9 +2359,9 @@ async def begin_put_async_no_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2502,9 +2502,9 @@ async def begin_put_async_retry_failed(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2520,9 +2520,9 @@ async def begin_put_async_retry_failed(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2665,9 +2665,9 @@ async def begin_put_async_no_retrycanceled(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2683,9 +2683,9 @@ async def begin_put_async_no_retrycanceled(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2826,9 +2826,9 @@ async def begin_put_async_no_header_in_retry(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2844,9 +2844,9 @@ async def begin_put_async_no_header_in_retry(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3209,9 +3209,9 @@ async def begin_put_sub_resource(self, product: JSONType = None, **kwargs: Any)
                     "id": "str",  # Optional. Sub Resource Id.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     }
                 }
 
@@ -3220,9 +3220,9 @@ async def begin_put_sub_resource(self, product: JSONType = None, **kwargs: Any)
                     "id": "str",  # Optional. Sub Resource Id.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     }
                 }
         """
@@ -3341,9 +3341,9 @@ async def begin_put_async_sub_resource(self, product: JSONType = None, **kwargs:
                     "id": "str",  # Optional. Sub Resource Id.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     }
                 }
 
@@ -3352,9 +3352,9 @@ async def begin_put_async_sub_resource(self, product: JSONType = None, **kwargs:
                     "id": "str",  # Optional. Sub Resource Id.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     }
                 }
         """
@@ -3476,9 +3476,9 @@ async def begin_delete_provisioning202_accepted200_succeeded(self, **kwargs: Any
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3597,9 +3597,9 @@ async def begin_delete_provisioning202_deleting_failed200(self, **kwargs: Any) -
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3718,9 +3718,9 @@ async def begin_delete_provisioning202_deletingcanceled200(self, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3912,9 +3912,9 @@ async def begin_delete202_retry200(self, **kwargs: Any) -> AsyncLROPoller[JSONTy
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -4028,9 +4028,9 @@ async def begin_delete202_no_retry204(self, **kwargs: Any) -> AsyncLROPoller[JSO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -4764,9 +4764,9 @@ async def begin_post202_retry200(  # pylint: disable=inconsistent-return-stateme
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -4891,9 +4891,9 @@ async def begin_post202_no_retry204(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -4909,9 +4909,9 @@ async def begin_post202_no_retry204(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5031,9 +5031,9 @@ async def begin_post_double_headers_final_location_get(self, **kwargs: Any) -> A
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5143,9 +5143,9 @@ async def begin_post_double_headers_final_azure_header_get(self, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5256,9 +5256,9 @@ async def begin_post_double_headers_final_azure_header_get_default(self, **kwarg
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5390,9 +5390,9 @@ async def begin_post_async_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5408,9 +5408,9 @@ async def begin_post_async_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5552,9 +5552,9 @@ async def begin_post_async_no_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5570,9 +5570,9 @@ async def begin_post_async_no_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5704,9 +5704,9 @@ async def begin_post_async_retry_failed(  # pylint: disable=inconsistent-return-
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5832,9 +5832,9 @@ async def begin_post_async_retrycanceled(  # pylint: disable=inconsistent-return
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5983,9 +5983,9 @@ async def begin_put201_creating_succeeded200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6001,9 +6001,9 @@ async def begin_put201_creating_succeeded200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6140,9 +6140,9 @@ async def begin_put_async_relative_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6158,9 +6158,9 @@ async def begin_put_async_relative_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6294,9 +6294,9 @@ async def begin_delete_provisioning202_accepted200_succeeded(self, **kwargs: Any
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6585,9 +6585,9 @@ async def begin_post202_retry200(  # pylint: disable=inconsistent-return-stateme
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6713,9 +6713,9 @@ async def begin_post_async_relative_retry_succeeded(  # pylint: disable=inconsis
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6860,9 +6860,9 @@ async def begin_put_non_retry400(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6878,9 +6878,9 @@ async def begin_put_non_retry400(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7016,9 +7016,9 @@ async def begin_put_non_retry201_creating400(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7034,9 +7034,9 @@ async def begin_put_non_retry201_creating400(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7174,9 +7174,9 @@ async def begin_put_non_retry201_creating400_invalid_json(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7192,9 +7192,9 @@ async def begin_put_non_retry201_creating400_invalid_json(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7330,9 +7330,9 @@ async def begin_put_async_relative_retry400(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7348,9 +7348,9 @@ async def begin_put_async_relative_retry400(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7734,9 +7734,9 @@ async def begin_post_non_retry400(  # pylint: disable=inconsistent-return-statem
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7857,9 +7857,9 @@ async def begin_post202_non_retry400(  # pylint: disable=inconsistent-return-sta
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7984,9 +7984,9 @@ async def begin_post_async_relative_retry400(  # pylint: disable=inconsistent-re
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8117,9 +8117,9 @@ async def begin_put_error201_no_provisioning_state_payload(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8135,9 +8135,9 @@ async def begin_put_error201_no_provisioning_state_payload(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8274,9 +8274,9 @@ async def begin_put_async_relative_retry_no_status(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8292,9 +8292,9 @@ async def begin_put_async_relative_retry_no_status(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8440,9 +8440,9 @@ async def begin_put_async_relative_retry_no_status_payload(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8458,9 +8458,9 @@ async def begin_put_async_relative_retry_no_status_payload(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8759,9 +8759,9 @@ async def begin_post202_no_location(  # pylint: disable=inconsistent-return-stat
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8887,9 +8887,9 @@ async def begin_post_async_relative_retry_no_payload(  # pylint: disable=inconsi
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9012,9 +9012,9 @@ async def begin_put200_invalid_json(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9030,9 +9030,9 @@ async def begin_put200_invalid_json(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9171,9 +9171,9 @@ async def begin_put_async_relative_retry_invalid_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9189,9 +9189,9 @@ async def begin_put_async_relative_retry_invalid_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9337,9 +9337,9 @@ async def begin_put_async_relative_retry_invalid_json_polling(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9355,9 +9355,9 @@ async def begin_put_async_relative_retry_invalid_json_polling(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9747,9 +9747,9 @@ async def begin_post202_retry_invalid_header(  # pylint: disable=inconsistent-re
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9875,9 +9875,9 @@ async def begin_post_async_relative_retry_invalid_header(  # pylint: disable=inc
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10003,9 +10003,9 @@ async def begin_post_async_relative_retry_invalid_json_polling(  # pylint: disab
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10155,9 +10155,9 @@ async def begin_put_async_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10173,9 +10173,9 @@ async def begin_put_async_retry_succeeded(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10320,9 +10320,9 @@ async def begin_put201_creating_succeeded200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10338,9 +10338,9 @@ async def begin_put201_creating_succeeded200(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10469,9 +10469,9 @@ async def begin_post202_retry200(  # pylint: disable=inconsistent-return-stateme
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10598,9 +10598,9 @@ async def begin_post_async_retry_succeeded(  # pylint: disable=inconsistent-retu
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/version-tolerant/Expected/AcceptanceTests/LroVersionTolerant/lroversiontolerant/operations/_operations.py b/test/azure/version-tolerant/Expected/AcceptanceTests/LroVersionTolerant/lroversiontolerant/operations/_operations.py
index 4b55cbe9176..b98d5540c13 100644
--- a/test/azure/version-tolerant/Expected/AcceptanceTests/LroVersionTolerant/lroversiontolerant/operations/_operations.py
+++ b/test/azure/version-tolerant/Expected/AcceptanceTests/LroVersionTolerant/lroversiontolerant/operations/_operations.py
@@ -1524,9 +1524,9 @@ def begin_put200_succeeded(self, product: JSONType = None, **kwargs: Any) -> LRO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1542,9 +1542,9 @@ def begin_put200_succeeded(self, product: JSONType = None, **kwargs: Any) -> LRO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1676,9 +1676,9 @@ def begin_patch200_succeeded_ignore_headers(self, product: JSONType = None, **kw
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1694,9 +1694,9 @@ def begin_patch200_succeeded_ignore_headers(self, product: JSONType = None, **kw
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1839,9 +1839,9 @@ def begin_patch201_retry_with_async_header(self, product: JSONType = None, **kwa
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -1857,9 +1857,9 @@ def begin_patch201_retry_with_async_header(self, product: JSONType = None, **kwa
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2005,9 +2005,9 @@ def begin_patch202_retry_with_async_and_location_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2023,9 +2023,9 @@ def begin_patch202_retry_with_async_and_location_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2152,9 +2152,9 @@ def begin_put201_succeeded(self, product: JSONType = None, **kwargs: Any) -> LRO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2170,9 +2170,9 @@ def begin_put201_succeeded(self, product: JSONType = None, **kwargs: Any) -> LRO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2297,8 +2297,8 @@ def begin_post202_list(self, **kwargs: Any) -> LROPoller[List[JSONType]]:
                         "name": "str",  # Optional. Resource Name.
                         "properties": {
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str"  # Optional. Possible values
-                              include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                            "provisioningStateValues": "str"  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
                               "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         },
                         "tags": {
@@ -2419,9 +2419,9 @@ def begin_put200_succeeded_no_state(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2437,9 +2437,9 @@ def begin_put200_succeeded_no_state(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2567,9 +2567,9 @@ def begin_put202_retry200(self, product: JSONType = None, **kwargs: Any) -> LROP
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2585,9 +2585,9 @@ def begin_put202_retry200(self, product: JSONType = None, **kwargs: Any) -> LROP
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2722,9 +2722,9 @@ def begin_put201_creating_succeeded200(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2740,9 +2740,9 @@ def begin_put201_creating_succeeded200(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2870,9 +2870,9 @@ def begin_put200_updating_succeeded204(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -2888,9 +2888,9 @@ def begin_put200_updating_succeeded204(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3025,9 +3025,9 @@ def begin_put201_creating_failed200(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3043,9 +3043,9 @@ def begin_put201_creating_failed200(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3173,9 +3173,9 @@ def begin_put200_acceptedcanceled200(self, product: JSONType = None, **kwargs: A
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3191,9 +3191,9 @@ def begin_put200_acceptedcanceled200(self, product: JSONType = None, **kwargs: A
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3323,9 +3323,9 @@ def begin_put_no_header_in_retry(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3341,9 +3341,9 @@ def begin_put_no_header_in_retry(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3481,9 +3481,9 @@ def begin_put_async_retry_succeeded(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3499,9 +3499,9 @@ def begin_put_async_retry_succeeded(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3642,9 +3642,9 @@ def begin_put_async_no_retry_succeeded(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3660,9 +3660,9 @@ def begin_put_async_no_retry_succeeded(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3803,9 +3803,9 @@ def begin_put_async_retry_failed(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3821,9 +3821,9 @@ def begin_put_async_retry_failed(self, product: JSONType = None, **kwargs: Any)
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3964,9 +3964,9 @@ def begin_put_async_no_retrycanceled(self, product: JSONType = None, **kwargs: A
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -3982,9 +3982,9 @@ def begin_put_async_no_retrycanceled(self, product: JSONType = None, **kwargs: A
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -4123,9 +4123,9 @@ def begin_put_async_no_header_in_retry(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -4141,9 +4141,9 @@ def begin_put_async_no_header_in_retry(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -4506,9 +4506,9 @@ def begin_put_sub_resource(self, product: JSONType = None, **kwargs: Any) -> LRO
                     "id": "str",  # Optional. Sub Resource Id.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     }
                 }
 
@@ -4517,9 +4517,9 @@ def begin_put_sub_resource(self, product: JSONType = None, **kwargs: Any) -> LRO
                     "id": "str",  # Optional. Sub Resource Id.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     }
                 }
         """
@@ -4638,9 +4638,9 @@ def begin_put_async_sub_resource(self, product: JSONType = None, **kwargs: Any)
                     "id": "str",  # Optional. Sub Resource Id.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     }
                 }
 
@@ -4649,9 +4649,9 @@ def begin_put_async_sub_resource(self, product: JSONType = None, **kwargs: Any)
                     "id": "str",  # Optional. Sub Resource Id.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     }
                 }
         """
@@ -4773,9 +4773,9 @@ def begin_delete_provisioning202_accepted200_succeeded(self, **kwargs: Any) -> L
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -4894,9 +4894,9 @@ def begin_delete_provisioning202_deleting_failed200(self, **kwargs: Any) -> LROP
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5015,9 +5015,9 @@ def begin_delete_provisioning202_deletingcanceled200(self, **kwargs: Any) -> LRO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5207,9 +5207,9 @@ def begin_delete202_retry200(self, **kwargs: Any) -> LROPoller[JSONType]:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -5323,9 +5323,9 @@ def begin_delete202_no_retry204(self, **kwargs: Any) -> LROPoller[JSONType]:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6059,9 +6059,9 @@ def begin_post202_retry200(  # pylint: disable=inconsistent-return-statements
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6186,9 +6186,9 @@ def begin_post202_no_retry204(self, product: JSONType = None, **kwargs: Any) ->
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6204,9 +6204,9 @@ def begin_post202_no_retry204(self, product: JSONType = None, **kwargs: Any) ->
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6326,9 +6326,9 @@ def begin_post_double_headers_final_location_get(self, **kwargs: Any) -> LROPoll
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6438,9 +6438,9 @@ def begin_post_double_headers_final_azure_header_get(self, **kwargs: Any) -> LRO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6550,9 +6550,9 @@ def begin_post_double_headers_final_azure_header_get_default(self, **kwargs: Any
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6682,9 +6682,9 @@ def begin_post_async_retry_succeeded(self, product: JSONType = None, **kwargs: A
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6700,9 +6700,9 @@ def begin_post_async_retry_succeeded(self, product: JSONType = None, **kwargs: A
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6840,9 +6840,9 @@ def begin_post_async_no_retry_succeeded(self, product: JSONType = None, **kwargs
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6858,9 +6858,9 @@ def begin_post_async_no_retry_succeeded(self, product: JSONType = None, **kwargs
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -6992,9 +6992,9 @@ def begin_post_async_retry_failed(  # pylint: disable=inconsistent-return-statem
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7120,9 +7120,9 @@ def begin_post_async_retrycanceled(  # pylint: disable=inconsistent-return-state
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7269,9 +7269,9 @@ def begin_put201_creating_succeeded200(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7287,9 +7287,9 @@ def begin_put201_creating_succeeded200(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7424,9 +7424,9 @@ def begin_put_async_relative_retry_succeeded(self, product: JSONType = None, **k
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7442,9 +7442,9 @@ def begin_put_async_relative_retry_succeeded(self, product: JSONType = None, **k
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7578,9 +7578,9 @@ def begin_delete_provisioning202_accepted200_succeeded(self, **kwargs: Any) -> L
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7867,9 +7867,9 @@ def begin_post202_retry200(  # pylint: disable=inconsistent-return-statements
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -7995,9 +7995,9 @@ def begin_post_async_relative_retry_succeeded(  # pylint: disable=inconsistent-r
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8142,9 +8142,9 @@ def begin_put_non_retry400(self, product: JSONType = None, **kwargs: Any) -> LRO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8160,9 +8160,9 @@ def begin_put_non_retry400(self, product: JSONType = None, **kwargs: Any) -> LRO
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8296,9 +8296,9 @@ def begin_put_non_retry201_creating400(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8314,9 +8314,9 @@ def begin_put_non_retry201_creating400(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8452,9 +8452,9 @@ def begin_put_non_retry201_creating400_invalid_json(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8470,9 +8470,9 @@ def begin_put_non_retry201_creating400_invalid_json(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8606,9 +8606,9 @@ def begin_put_async_relative_retry400(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -8624,9 +8624,9 @@ def begin_put_async_relative_retry400(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9006,9 +9006,9 @@ def begin_post_non_retry400(  # pylint: disable=inconsistent-return-statements
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9129,9 +9129,9 @@ def begin_post202_non_retry400(  # pylint: disable=inconsistent-return-statement
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9256,9 +9256,9 @@ def begin_post_async_relative_retry400(  # pylint: disable=inconsistent-return-s
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9387,9 +9387,9 @@ def begin_put_error201_no_provisioning_state_payload(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9405,9 +9405,9 @@ def begin_put_error201_no_provisioning_state_payload(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9542,9 +9542,9 @@ def begin_put_async_relative_retry_no_status(self, product: JSONType = None, **k
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9560,9 +9560,9 @@ def begin_put_async_relative_retry_no_status(self, product: JSONType = None, **k
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9706,9 +9706,9 @@ def begin_put_async_relative_retry_no_status_payload(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -9724,9 +9724,9 @@ def begin_put_async_relative_retry_no_status_payload(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10023,9 +10023,9 @@ def begin_post202_no_location(  # pylint: disable=inconsistent-return-statements
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10151,9 +10151,9 @@ def begin_post_async_relative_retry_no_payload(  # pylint: disable=inconsistent-
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10276,9 +10276,9 @@ def begin_put200_invalid_json(self, product: JSONType = None, **kwargs: Any) ->
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10294,9 +10294,9 @@ def begin_put200_invalid_json(self, product: JSONType = None, **kwargs: Any) ->
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10433,9 +10433,9 @@ def begin_put_async_relative_retry_invalid_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10451,9 +10451,9 @@ def begin_put_async_relative_retry_invalid_header(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10599,9 +10599,9 @@ def begin_put_async_relative_retry_invalid_json_polling(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -10617,9 +10617,9 @@ def begin_put_async_relative_retry_invalid_json_polling(
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11009,9 +11009,9 @@ def begin_post202_retry_invalid_header(  # pylint: disable=inconsistent-return-s
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11137,9 +11137,9 @@ def begin_post_async_relative_retry_invalid_header(  # pylint: disable=inconsist
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11265,9 +11265,9 @@ def begin_post_async_relative_retry_invalid_json_polling(  # pylint: disable=inc
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11415,9 +11415,9 @@ def begin_put_async_retry_succeeded(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11433,9 +11433,9 @@ def begin_put_async_retry_succeeded(self, product: JSONType = None, **kwargs: An
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11578,9 +11578,9 @@ def begin_put201_creating_succeeded200(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11596,9 +11596,9 @@ def begin_put201_creating_succeeded200(self, product: JSONType = None, **kwargs:
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11727,9 +11727,9 @@ def begin_post202_retry200(  # pylint: disable=inconsistent-return-statements
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
@@ -11856,9 +11856,9 @@ def begin_post_async_retry_succeeded(  # pylint: disable=inconsistent-return-sta
                     "name": "str",  # Optional. Resource Name.
                     "properties": {
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str"  # Optional. Possible values
-                          include: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
-                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
+                        "provisioningStateValues": "str"  # Optional. Known values are:
+                          "Succeeded", "Failed", "canceled", "Accepted", "Creating", "Created",
+                          "Updating", "Updated", "Deleting", "Deleted", "OK".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Dictionary of
diff --git a/test/azure/version-tolerant/Expected/AcceptanceTests/StorageManagementClientVersionTolerant/storageversiontolerant/aio/operations/_operations.py b/test/azure/version-tolerant/Expected/AcceptanceTests/StorageManagementClientVersionTolerant/storageversiontolerant/aio/operations/_operations.py
index ff2db9e064c..cae97319d18 100644
--- a/test/azure/version-tolerant/Expected/AcceptanceTests/StorageManagementClientVersionTolerant/storageversiontolerant/aio/operations/_operations.py
+++ b/test/azure/version-tolerant/Expected/AcceptanceTests/StorageManagementClientVersionTolerant/storageversiontolerant/aio/operations/_operations.py
@@ -71,7 +71,7 @@ async def check_name_availability(
          Storage account names must be between 3 and 24 characters in length and use numbers and
          lower-case letters only.
         :type account_name: JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :return: JSON object
@@ -97,7 +97,7 @@ async def check_name_availability(
                       false, the name has already been taken or invalid and cannot be used.
                     "reason": "str"  # Optional. Gets the reason that a storage account name
                       could not be used. The Reason element is only returned if NameAvailable is false.
-                      Possible values include: "AccountNameInvalid", "AlreadyExists".
+                      Known values are: "AccountNameInvalid", "AlreadyExists".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -216,7 +216,7 @@ async def begin_create(
         :type account_name: str
         :param parameters: The parameters to provide for the created account.
         :type parameters: JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword str continuation_token: A continuation token to restart a poller from a saved state.
@@ -240,7 +240,7 @@ async def begin_create(
                     "name": "str",  # Optional. Resource name.
                     "properties": {
                         "accountType": "str"  # Optional. Gets or sets the account type.
-                          Possible values include: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
                           "Standard_RAGRS", "Premium_LRS".
                     },
                     "tags": {
@@ -256,8 +256,8 @@ async def begin_create(
                     "name": "str",  # Optional. Resource name.
                     "properties": {
                         "accountType": "str",  # Optional. Gets the type of the storage
-                          account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                          "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                          account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          "Standard_RAGRS", "Premium_LRS".
                         "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                           date and time of the storage account in UTC.
                         "customDomain": {
@@ -286,8 +286,8 @@ async def begin_create(
                         "primaryLocation": "str",  # Optional. Gets the location of the
                           primary for the storage account.
                         "provisioningState": "str",  # Optional. Gets the status of the
-                          storage account at the time the operation was called. Possible values
-                          include: "Creating", "ResolvingDNS", "Succeeded".
+                          storage account at the time the operation was called. Known values are:
+                          "Creating", "ResolvingDNS", "Succeeded".
                         "secondaryEndpoints": {
                             "FooPoint": {
                                 "Bar.Point": {
@@ -304,11 +304,11 @@ async def begin_create(
                           accountType is StandardGRS or StandardRAGRS.
                         "statusOfPrimary": "str",  # Optional. Gets the status indicating
                           whether the primary location of the storage account is available or
-                          unavailable. Possible values include: "Available", "Unavailable".
+                          unavailable. Known values are: "Available", "Unavailable".
                         "statusOfSecondary": "str"  # Optional. Gets the status indicating
                           whether the secondary location of the storage account is available or
                           unavailable. Only available if the accountType is StandardGRS or
-                          StandardRAGRS. Possible values include: "Available", "Unavailable".
+                          StandardRAGRS. Known values are: "Available", "Unavailable".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Resource tags.
@@ -436,8 +436,8 @@ async def get_properties(self, resource_group_name: str, account_name: str, **kw
                     "name": "str",  # Optional. Resource name.
                     "properties": {
                         "accountType": "str",  # Optional. Gets the type of the storage
-                          account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                          "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                          account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          "Standard_RAGRS", "Premium_LRS".
                         "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                           date and time of the storage account in UTC.
                         "customDomain": {
@@ -466,8 +466,8 @@ async def get_properties(self, resource_group_name: str, account_name: str, **kw
                         "primaryLocation": "str",  # Optional. Gets the location of the
                           primary for the storage account.
                         "provisioningState": "str",  # Optional. Gets the status of the
-                          storage account at the time the operation was called. Possible values
-                          include: "Creating", "ResolvingDNS", "Succeeded".
+                          storage account at the time the operation was called. Known values are:
+                          "Creating", "ResolvingDNS", "Succeeded".
                         "secondaryEndpoints": {
                             "FooPoint": {
                                 "Bar.Point": {
@@ -484,11 +484,11 @@ async def get_properties(self, resource_group_name: str, account_name: str, **kw
                           accountType is StandardGRS or StandardRAGRS.
                         "statusOfPrimary": "str",  # Optional. Gets the status indicating
                           whether the primary location of the storage account is available or
-                          unavailable. Possible values include: "Available", "Unavailable".
+                          unavailable. Known values are: "Available", "Unavailable".
                         "statusOfSecondary": "str"  # Optional. Gets the status indicating
                           whether the secondary location of the storage account is available or
                           unavailable. Only available if the accountType is StandardGRS or
-                          StandardRAGRS. Possible values include: "Available", "Unavailable".
+                          StandardRAGRS. Known values are: "Available", "Unavailable".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Resource tags.
@@ -561,7 +561,7 @@ async def update(
         :param parameters: The parameters to update on the account. Note that only one property can be
          changed at a time using this API.
         :type parameters: JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :return: JSON object
@@ -580,8 +580,8 @@ async def update(
                         "accountType": "str",  # Optional. Gets or sets the account type.
                           Note that StandardZRS and PremiumLRS accounts cannot be changed to other
                           account types, and other account types cannot be changed to StandardZRS or
-                          PremiumLRS. Possible values include: "Standard_LRS", "Standard_ZRS",
-                          "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                          PremiumLRS. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          "Standard_RAGRS", "Premium_LRS".
                         "customDomain": {
                             "name": "str",  # Optional. Gets or sets the custom domain
                               name. Name is the CNAME source.
@@ -603,8 +603,8 @@ async def update(
                     "name": "str",  # Optional. Resource name.
                     "properties": {
                         "accountType": "str",  # Optional. Gets the type of the storage
-                          account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                          "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                          account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          "Standard_RAGRS", "Premium_LRS".
                         "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                           date and time of the storage account in UTC.
                         "customDomain": {
@@ -633,8 +633,8 @@ async def update(
                         "primaryLocation": "str",  # Optional. Gets the location of the
                           primary for the storage account.
                         "provisioningState": "str",  # Optional. Gets the status of the
-                          storage account at the time the operation was called. Possible values
-                          include: "Creating", "ResolvingDNS", "Succeeded".
+                          storage account at the time the operation was called. Known values are:
+                          "Creating", "ResolvingDNS", "Succeeded".
                         "secondaryEndpoints": {
                             "FooPoint": {
                                 "Bar.Point": {
@@ -651,11 +651,11 @@ async def update(
                           accountType is StandardGRS or StandardRAGRS.
                         "statusOfPrimary": "str",  # Optional. Gets the status indicating
                           whether the primary location of the storage account is available or
-                          unavailable. Possible values include: "Available", "Unavailable".
+                          unavailable. Known values are: "Available", "Unavailable".
                         "statusOfSecondary": "str"  # Optional. Gets the status indicating
                           whether the secondary location of the storage account is available or
                           unavailable. Only available if the accountType is StandardGRS or
-                          StandardRAGRS. Possible values include: "Available", "Unavailable".
+                          StandardRAGRS. Known values are: "Available", "Unavailable".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Resource tags.
@@ -787,7 +787,7 @@ def list(self, **kwargs: Any) -> AsyncIterable[JSONType]:
                             "name": "str",  # Optional. Resource name.
                             "properties": {
                                 "accountType": "str",  # Optional. Gets the type of
-                                  the storage account. Possible values include: "Standard_LRS",
+                                  the storage account. Known values are: "Standard_LRS",
                                   "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
                                 "creationTime": "2020-02-20 00:00:00",  # Optional.
                                   Gets the creation date and time of the storage account in UTC.
@@ -822,7 +822,7 @@ def list(self, **kwargs: Any) -> AsyncIterable[JSONType]:
                                   location of the primary for the storage account.
                                 "provisioningState": "str",  # Optional. Gets the
                                   status of the storage account at the time the operation was called.
-                                  Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+                                  Known values are: "Creating", "ResolvingDNS", "Succeeded".
                                 "secondaryEndpoints": {
                                     "FooPoint": {
                                         "Bar.Point": {
@@ -842,12 +842,12 @@ def list(self, **kwargs: Any) -> AsyncIterable[JSONType]:
                                   Only available if the accountType is StandardGRS or StandardRAGRS.
                                 "statusOfPrimary": "str",  # Optional. Gets the
                                   status indicating whether the primary location of the storage account
-                                  is available or unavailable. Possible values include: "Available",
+                                  is available or unavailable. Known values are: "Available",
                                   "Unavailable".
                                 "statusOfSecondary": "str"  # Optional. Gets the
                                   status indicating whether the secondary location of the storage
                                   account is available or unavailable. Only available if the
-                                  accountType is StandardGRS or StandardRAGRS. Possible values include:
+                                  accountType is StandardGRS or StandardRAGRS. Known values are:
                                   "Available", "Unavailable".
                             },
                             "tags": {
@@ -938,7 +938,7 @@ def list_by_resource_group(self, resource_group_name: str, **kwargs: Any) -> Asy
                             "name": "str",  # Optional. Resource name.
                             "properties": {
                                 "accountType": "str",  # Optional. Gets the type of
-                                  the storage account. Possible values include: "Standard_LRS",
+                                  the storage account. Known values are: "Standard_LRS",
                                   "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
                                 "creationTime": "2020-02-20 00:00:00",  # Optional.
                                   Gets the creation date and time of the storage account in UTC.
@@ -973,7 +973,7 @@ def list_by_resource_group(self, resource_group_name: str, **kwargs: Any) -> Asy
                                   location of the primary for the storage account.
                                 "provisioningState": "str",  # Optional. Gets the
                                   status of the storage account at the time the operation was called.
-                                  Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+                                  Known values are: "Creating", "ResolvingDNS", "Succeeded".
                                 "secondaryEndpoints": {
                                     "FooPoint": {
                                         "Bar.Point": {
@@ -993,12 +993,12 @@ def list_by_resource_group(self, resource_group_name: str, **kwargs: Any) -> Asy
                                   Only available if the accountType is StandardGRS or StandardRAGRS.
                                 "statusOfPrimary": "str",  # Optional. Gets the
                                   status indicating whether the primary location of the storage account
-                                  is available or unavailable. Possible values include: "Available",
+                                  is available or unavailable. Known values are: "Available",
                                   "Unavailable".
                                 "statusOfSecondary": "str"  # Optional. Gets the
                                   status indicating whether the secondary location of the storage
                                   account is available or unavailable. Only available if the
-                                  accountType is StandardGRS or StandardRAGRS. Possible values include:
+                                  accountType is StandardGRS or StandardRAGRS. Known values are:
                                   "Available", "Unavailable".
                             },
                             "tags": {
@@ -1086,7 +1086,7 @@ async def regenerate_key(
         :type account_name: str
         :param regenerate_key: Specifies name of the key which should be regenerated.
         :type regenerate_key: JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :return: JSON object
@@ -1098,7 +1098,7 @@ async def regenerate_key(
 
                 # JSON input template you can fill out and use as your body input.
                 regenerate_key = {
-                    "keyName": "str"  # Optional. Possible values include: "key1", "key2".
+                    "keyName": "str"  # Optional. Known values are: "key1", "key2".
                 }
 
                 # response body for status code(s): 200
@@ -1193,7 +1193,7 @@ async def list(self, **kwargs: Any) -> JSONType:
                                   the resource name.
                             },
                             "unit": "str"  # Optional. Gets the unit of measurement.
-                              Possible values include: "Count", "Bytes", "Seconds", "Percent",
+                              Known values are: "Count", "Bytes", "Seconds", "Percent",
                               "CountsPerSecond", "BytesPerSecond".
                         }
                     ]
diff --git a/test/azure/version-tolerant/Expected/AcceptanceTests/StorageManagementClientVersionTolerant/storageversiontolerant/operations/_operations.py b/test/azure/version-tolerant/Expected/AcceptanceTests/StorageManagementClientVersionTolerant/storageversiontolerant/operations/_operations.py
index 6bee6c6be53..ec270039d6b 100644
--- a/test/azure/version-tolerant/Expected/AcceptanceTests/StorageManagementClientVersionTolerant/storageversiontolerant/operations/_operations.py
+++ b/test/azure/version-tolerant/Expected/AcceptanceTests/StorageManagementClientVersionTolerant/storageversiontolerant/operations/_operations.py
@@ -359,7 +359,7 @@ def check_name_availability(
          Storage account names must be between 3 and 24 characters in length and use numbers and
          lower-case letters only.
         :type account_name: JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :return: JSON object
@@ -385,7 +385,7 @@ def check_name_availability(
                       false, the name has already been taken or invalid and cannot be used.
                     "reason": "str"  # Optional. Gets the reason that a storage account name
                       could not be used. The Reason element is only returned if NameAvailable is false.
-                      Possible values include: "AccountNameInvalid", "AlreadyExists".
+                      Known values are: "AccountNameInvalid", "AlreadyExists".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -504,7 +504,7 @@ def begin_create(
         :type account_name: str
         :param parameters: The parameters to provide for the created account.
         :type parameters: JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword str continuation_token: A continuation token to restart a poller from a saved state.
@@ -528,7 +528,7 @@ def begin_create(
                     "name": "str",  # Optional. Resource name.
                     "properties": {
                         "accountType": "str"  # Optional. Gets or sets the account type.
-                          Possible values include: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
                           "Standard_RAGRS", "Premium_LRS".
                     },
                     "tags": {
@@ -544,8 +544,8 @@ def begin_create(
                     "name": "str",  # Optional. Resource name.
                     "properties": {
                         "accountType": "str",  # Optional. Gets the type of the storage
-                          account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                          "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                          account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          "Standard_RAGRS", "Premium_LRS".
                         "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                           date and time of the storage account in UTC.
                         "customDomain": {
@@ -574,8 +574,8 @@ def begin_create(
                         "primaryLocation": "str",  # Optional. Gets the location of the
                           primary for the storage account.
                         "provisioningState": "str",  # Optional. Gets the status of the
-                          storage account at the time the operation was called. Possible values
-                          include: "Creating", "ResolvingDNS", "Succeeded".
+                          storage account at the time the operation was called. Known values are:
+                          "Creating", "ResolvingDNS", "Succeeded".
                         "secondaryEndpoints": {
                             "FooPoint": {
                                 "Bar.Point": {
@@ -592,11 +592,11 @@ def begin_create(
                           accountType is StandardGRS or StandardRAGRS.
                         "statusOfPrimary": "str",  # Optional. Gets the status indicating
                           whether the primary location of the storage account is available or
-                          unavailable. Possible values include: "Available", "Unavailable".
+                          unavailable. Known values are: "Available", "Unavailable".
                         "statusOfSecondary": "str"  # Optional. Gets the status indicating
                           whether the secondary location of the storage account is available or
                           unavailable. Only available if the accountType is StandardGRS or
-                          StandardRAGRS. Possible values include: "Available", "Unavailable".
+                          StandardRAGRS. Known values are: "Available", "Unavailable".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Resource tags.
@@ -724,8 +724,8 @@ def get_properties(self, resource_group_name: str, account_name: str, **kwargs:
                     "name": "str",  # Optional. Resource name.
                     "properties": {
                         "accountType": "str",  # Optional. Gets the type of the storage
-                          account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                          "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                          account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          "Standard_RAGRS", "Premium_LRS".
                         "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                           date and time of the storage account in UTC.
                         "customDomain": {
@@ -754,8 +754,8 @@ def get_properties(self, resource_group_name: str, account_name: str, **kwargs:
                         "primaryLocation": "str",  # Optional. Gets the location of the
                           primary for the storage account.
                         "provisioningState": "str",  # Optional. Gets the status of the
-                          storage account at the time the operation was called. Possible values
-                          include: "Creating", "ResolvingDNS", "Succeeded".
+                          storage account at the time the operation was called. Known values are:
+                          "Creating", "ResolvingDNS", "Succeeded".
                         "secondaryEndpoints": {
                             "FooPoint": {
                                 "Bar.Point": {
@@ -772,11 +772,11 @@ def get_properties(self, resource_group_name: str, account_name: str, **kwargs:
                           accountType is StandardGRS or StandardRAGRS.
                         "statusOfPrimary": "str",  # Optional. Gets the status indicating
                           whether the primary location of the storage account is available or
-                          unavailable. Possible values include: "Available", "Unavailable".
+                          unavailable. Known values are: "Available", "Unavailable".
                         "statusOfSecondary": "str"  # Optional. Gets the status indicating
                           whether the secondary location of the storage account is available or
                           unavailable. Only available if the accountType is StandardGRS or
-                          StandardRAGRS. Possible values include: "Available", "Unavailable".
+                          StandardRAGRS. Known values are: "Available", "Unavailable".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Resource tags.
@@ -849,7 +849,7 @@ def update(
         :param parameters: The parameters to update on the account. Note that only one property can be
          changed at a time using this API.
         :type parameters: JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :return: JSON object
@@ -868,8 +868,8 @@ def update(
                         "accountType": "str",  # Optional. Gets or sets the account type.
                           Note that StandardZRS and PremiumLRS accounts cannot be changed to other
                           account types, and other account types cannot be changed to StandardZRS or
-                          PremiumLRS. Possible values include: "Standard_LRS", "Standard_ZRS",
-                          "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                          PremiumLRS. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          "Standard_RAGRS", "Premium_LRS".
                         "customDomain": {
                             "name": "str",  # Optional. Gets or sets the custom domain
                               name. Name is the CNAME source.
@@ -891,8 +891,8 @@ def update(
                     "name": "str",  # Optional. Resource name.
                     "properties": {
                         "accountType": "str",  # Optional. Gets the type of the storage
-                          account. Possible values include: "Standard_LRS", "Standard_ZRS",
-                          "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
+                          account. Known values are: "Standard_LRS", "Standard_ZRS", "Standard_GRS",
+                          "Standard_RAGRS", "Premium_LRS".
                         "creationTime": "2020-02-20 00:00:00",  # Optional. Gets the creation
                           date and time of the storage account in UTC.
                         "customDomain": {
@@ -921,8 +921,8 @@ def update(
                         "primaryLocation": "str",  # Optional. Gets the location of the
                           primary for the storage account.
                         "provisioningState": "str",  # Optional. Gets the status of the
-                          storage account at the time the operation was called. Possible values
-                          include: "Creating", "ResolvingDNS", "Succeeded".
+                          storage account at the time the operation was called. Known values are:
+                          "Creating", "ResolvingDNS", "Succeeded".
                         "secondaryEndpoints": {
                             "FooPoint": {
                                 "Bar.Point": {
@@ -939,11 +939,11 @@ def update(
                           accountType is StandardGRS or StandardRAGRS.
                         "statusOfPrimary": "str",  # Optional. Gets the status indicating
                           whether the primary location of the storage account is available or
-                          unavailable. Possible values include: "Available", "Unavailable".
+                          unavailable. Known values are: "Available", "Unavailable".
                         "statusOfSecondary": "str"  # Optional. Gets the status indicating
                           whether the secondary location of the storage account is available or
                           unavailable. Only available if the accountType is StandardGRS or
-                          StandardRAGRS. Possible values include: "Available", "Unavailable".
+                          StandardRAGRS. Known values are: "Available", "Unavailable".
                     },
                     "tags": {
                         "str": "str"  # Optional. A set of tags. Resource tags.
@@ -1075,7 +1075,7 @@ def list(self, **kwargs: Any) -> Iterable[JSONType]:
                             "name": "str",  # Optional. Resource name.
                             "properties": {
                                 "accountType": "str",  # Optional. Gets the type of
-                                  the storage account. Possible values include: "Standard_LRS",
+                                  the storage account. Known values are: "Standard_LRS",
                                   "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
                                 "creationTime": "2020-02-20 00:00:00",  # Optional.
                                   Gets the creation date and time of the storage account in UTC.
@@ -1110,7 +1110,7 @@ def list(self, **kwargs: Any) -> Iterable[JSONType]:
                                   location of the primary for the storage account.
                                 "provisioningState": "str",  # Optional. Gets the
                                   status of the storage account at the time the operation was called.
-                                  Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+                                  Known values are: "Creating", "ResolvingDNS", "Succeeded".
                                 "secondaryEndpoints": {
                                     "FooPoint": {
                                         "Bar.Point": {
@@ -1130,12 +1130,12 @@ def list(self, **kwargs: Any) -> Iterable[JSONType]:
                                   Only available if the accountType is StandardGRS or StandardRAGRS.
                                 "statusOfPrimary": "str",  # Optional. Gets the
                                   status indicating whether the primary location of the storage account
-                                  is available or unavailable. Possible values include: "Available",
+                                  is available or unavailable. Known values are: "Available",
                                   "Unavailable".
                                 "statusOfSecondary": "str"  # Optional. Gets the
                                   status indicating whether the secondary location of the storage
                                   account is available or unavailable. Only available if the
-                                  accountType is StandardGRS or StandardRAGRS. Possible values include:
+                                  accountType is StandardGRS or StandardRAGRS. Known values are:
                                   "Available", "Unavailable".
                             },
                             "tags": {
@@ -1226,7 +1226,7 @@ def list_by_resource_group(self, resource_group_name: str, **kwargs: Any) -> Ite
                             "name": "str",  # Optional. Resource name.
                             "properties": {
                                 "accountType": "str",  # Optional. Gets the type of
-                                  the storage account. Possible values include: "Standard_LRS",
+                                  the storage account. Known values are: "Standard_LRS",
                                   "Standard_ZRS", "Standard_GRS", "Standard_RAGRS", "Premium_LRS".
                                 "creationTime": "2020-02-20 00:00:00",  # Optional.
                                   Gets the creation date and time of the storage account in UTC.
@@ -1261,7 +1261,7 @@ def list_by_resource_group(self, resource_group_name: str, **kwargs: Any) -> Ite
                                   location of the primary for the storage account.
                                 "provisioningState": "str",  # Optional. Gets the
                                   status of the storage account at the time the operation was called.
-                                  Possible values include: "Creating", "ResolvingDNS", "Succeeded".
+                                  Known values are: "Creating", "ResolvingDNS", "Succeeded".
                                 "secondaryEndpoints": {
                                     "FooPoint": {
                                         "Bar.Point": {
@@ -1281,12 +1281,12 @@ def list_by_resource_group(self, resource_group_name: str, **kwargs: Any) -> Ite
                                   Only available if the accountType is StandardGRS or StandardRAGRS.
                                 "statusOfPrimary": "str",  # Optional. Gets the
                                   status indicating whether the primary location of the storage account
-                                  is available or unavailable. Possible values include: "Available",
+                                  is available or unavailable. Known values are: "Available",
                                   "Unavailable".
                                 "statusOfSecondary": "str"  # Optional. Gets the
                                   status indicating whether the secondary location of the storage
                                   account is available or unavailable. Only available if the
-                                  accountType is StandardGRS or StandardRAGRS. Possible values include:
+                                  accountType is StandardGRS or StandardRAGRS. Known values are:
                                   "Available", "Unavailable".
                             },
                             "tags": {
@@ -1374,7 +1374,7 @@ def regenerate_key(
         :type account_name: str
         :param regenerate_key: Specifies name of the key which should be regenerated.
         :type regenerate_key: JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "text/json". Default value is "application/json".
         :paramtype content_type: str
         :return: JSON object
@@ -1386,7 +1386,7 @@ def regenerate_key(
 
                 # JSON input template you can fill out and use as your body input.
                 regenerate_key = {
-                    "keyName": "str"  # Optional. Possible values include: "key1", "key2".
+                    "keyName": "str"  # Optional. Known values are: "key1", "key2".
                 }
 
                 # response body for status code(s): 200
@@ -1481,7 +1481,7 @@ def list(self, **kwargs: Any) -> JSONType:
                                   the resource name.
                             },
                             "unit": "str"  # Optional. Gets the unit of measurement.
-                              Possible values include: "Count", "Bytes", "Seconds", "Percent",
+                              Known values are: "Count", "Bytes", "Seconds", "Percent",
                               "CountsPerSecond", "BytesPerSecond".
                         }
                     ]
diff --git a/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationCustomizedLowLevel/dpgcustomizationcustomizedlowlevel/rest/_request_builders.py b/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationCustomizedLowLevel/dpgcustomizationcustomizedlowlevel/rest/_request_builders.py
index 25677c4aba5..1ca72694744 100644
--- a/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationCustomizedLowLevel/dpgcustomizationcustomizedlowlevel/rest/_request_builders.py
+++ b/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationCustomizedLowLevel/dpgcustomizationcustomizedlowlevel/rest/_request_builders.py
@@ -51,7 +51,7 @@ def build_get_model_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
@@ -114,7 +114,7 @@ def build_post_model_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
@@ -172,8 +172,8 @@ def build_get_pages_request(
                 "nextLink": "str",  # Optional.
                 "values": [
                     {
-                        "received": "str"  # Required. Possible values include:
-                          "raw", "model".
+                        "received": "str"  # Required. Known values are: "raw",
+                          "model".
                     }
                 ]
             }
@@ -228,7 +228,7 @@ def build_lro_request(
             # response body for status code(s): 200
             response.json() == {
                 "provisioningState": "str",  # Required.
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
diff --git a/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationCustomizedLowLevel/dpgcustomizationcustomizedlowlevel/rest/_request_builders_py3.py b/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationCustomizedLowLevel/dpgcustomizationcustomizedlowlevel/rest/_request_builders_py3.py
index bb27c9a6be9..83dcf57c058 100644
--- a/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationCustomizedLowLevel/dpgcustomizationcustomizedlowlevel/rest/_request_builders_py3.py
+++ b/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationCustomizedLowLevel/dpgcustomizationcustomizedlowlevel/rest/_request_builders_py3.py
@@ -42,7 +42,7 @@ def build_get_model_request(mode: str, **kwargs: Any) -> HttpRequest:
 
             # response body for status code(s): 200
             response.json() == {
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
@@ -96,7 +96,7 @@ def build_post_model_request(mode: str, *, json: JSONType = None, content: Any =
 
             # response body for status code(s): 200
             response.json() == {
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
@@ -145,8 +145,8 @@ def build_get_pages_request(mode: str, **kwargs: Any) -> HttpRequest:
                 "nextLink": "str",  # Optional.
                 "values": [
                     {
-                        "received": "str"  # Required. Possible values include:
-                          "raw", "model".
+                        "received": "str"  # Required. Known values are: "raw",
+                          "model".
                     }
                 ]
             }
@@ -192,7 +192,7 @@ def build_lro_request(mode: str, **kwargs: Any) -> HttpRequest:
             # response body for status code(s): 200
             response.json() == {
                 "provisioningState": "str",  # Required.
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
diff --git a/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationInitialLowLevel/dpgcustomizationinitiallowlevel/rest/_request_builders.py b/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationInitialLowLevel/dpgcustomizationinitiallowlevel/rest/_request_builders.py
index 25677c4aba5..1ca72694744 100644
--- a/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationInitialLowLevel/dpgcustomizationinitiallowlevel/rest/_request_builders.py
+++ b/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationInitialLowLevel/dpgcustomizationinitiallowlevel/rest/_request_builders.py
@@ -51,7 +51,7 @@ def build_get_model_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
@@ -114,7 +114,7 @@ def build_post_model_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
@@ -172,8 +172,8 @@ def build_get_pages_request(
                 "nextLink": "str",  # Optional.
                 "values": [
                     {
-                        "received": "str"  # Required. Possible values include:
-                          "raw", "model".
+                        "received": "str"  # Required. Known values are: "raw",
+                          "model".
                     }
                 ]
             }
@@ -228,7 +228,7 @@ def build_lro_request(
             # response body for status code(s): 200
             response.json() == {
                 "provisioningState": "str",  # Required.
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
diff --git a/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationInitialLowLevel/dpgcustomizationinitiallowlevel/rest/_request_builders_py3.py b/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationInitialLowLevel/dpgcustomizationinitiallowlevel/rest/_request_builders_py3.py
index bb27c9a6be9..83dcf57c058 100644
--- a/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationInitialLowLevel/dpgcustomizationinitiallowlevel/rest/_request_builders_py3.py
+++ b/test/dpg/low-level/Expected/AcceptanceTests/DPGCustomizationInitialLowLevel/dpgcustomizationinitiallowlevel/rest/_request_builders_py3.py
@@ -42,7 +42,7 @@ def build_get_model_request(mode: str, **kwargs: Any) -> HttpRequest:
 
             # response body for status code(s): 200
             response.json() == {
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
@@ -96,7 +96,7 @@ def build_post_model_request(mode: str, *, json: JSONType = None, content: Any =
 
             # response body for status code(s): 200
             response.json() == {
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
@@ -145,8 +145,8 @@ def build_get_pages_request(mode: str, **kwargs: Any) -> HttpRequest:
                 "nextLink": "str",  # Optional.
                 "values": [
                     {
-                        "received": "str"  # Required. Possible values include:
-                          "raw", "model".
+                        "received": "str"  # Required. Known values are: "raw",
+                          "model".
                     }
                 ]
             }
@@ -192,7 +192,7 @@ def build_lro_request(mode: str, **kwargs: Any) -> HttpRequest:
             # response body for status code(s): 200
             response.json() == {
                 "provisioningState": "str",  # Required.
-                "received": "str"  # Required. Possible values include: "raw", "model".
+                "received": "str"  # Required. Known values are: "raw", "model".
             }
     """
 
diff --git a/test/dpg/low-level/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneLowLevel/dpgservicedrivenupdateonelowlevel/rest/params/_request_builders.py b/test/dpg/low-level/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneLowLevel/dpgservicedrivenupdateonelowlevel/rest/params/_request_builders.py
index af729bedb0d..9a56254d49f 100644
--- a/test/dpg/low-level/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneLowLevel/dpgservicedrivenupdateonelowlevel/rest/params/_request_builders.py
+++ b/test/dpg/low-level/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneLowLevel/dpgservicedrivenupdateonelowlevel/rest/params/_request_builders.py
@@ -184,8 +184,8 @@ def build_post_parameters_request(
      a byte iterator, or stream input). I am a body parameter with a new content type. My only valid
      JSON entry is { url: "http://example.org/myimage.jpeg" }. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
-     "image/jpeg" or "application/json". Default value is None.
+    :keyword content_type: Media type of the body sent to the API. Known values are: "image/jpeg"
+     or "application/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
      incorporate this response into your code flow.
diff --git a/test/dpg/low-level/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneLowLevel/dpgservicedrivenupdateonelowlevel/rest/params/_request_builders_py3.py b/test/dpg/low-level/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneLowLevel/dpgservicedrivenupdateonelowlevel/rest/params/_request_builders_py3.py
index 59d21d345b0..b34c0da6652 100644
--- a/test/dpg/low-level/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneLowLevel/dpgservicedrivenupdateonelowlevel/rest/params/_request_builders_py3.py
+++ b/test/dpg/low-level/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneLowLevel/dpgservicedrivenupdateonelowlevel/rest/params/_request_builders_py3.py
@@ -145,8 +145,8 @@ def build_post_parameters_request(*, json: JSONType = None, content: Any = None,
      a byte iterator, or stream input). I am a body parameter with a new content type. My only valid
      JSON entry is { url: "http://example.org/myimage.jpeg" }. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
-     "image/jpeg" or "application/json". Default value is None.
+    :keyword content_type: Media type of the body sent to the API. Known values are: "image/jpeg"
+     or "application/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
      incorporate this response into your code flow.
diff --git a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/_operations.py b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/_operations.py
index ae7c8af9b45..767df480684 100644
--- a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/_operations.py
+++ b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/_operations/_operations.py
@@ -134,7 +134,7 @@ def get_model(self, mode: str, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -196,7 +196,7 @@ def post_model(self, mode: str, input: JSONType, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -261,8 +261,8 @@ def get_pages(self, mode: str, **kwargs: Any) -> Iterable[JSONType]:
                     "nextLink": "str",  # Optional.
                     "values": [
                         {
-                            "received": "str"  # Required. Possible values include:
-                              "raw", "model".
+                            "received": "str"  # Required. Known values are: "raw",
+                              "model".
                         }
                     ]
                 }
@@ -380,7 +380,7 @@ def begin_lro(self, mode: str, **kwargs: Any) -> LROPoller[JSONType]:
                 # response body for status code(s): 200
                 response.json() == {
                     "provisioningState": "str",  # Required.
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         _headers = kwargs.pop("headers", {}) or {}
diff --git a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/_operations.py b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/_operations.py
index dcfe8234c35..3ad5abbc32a 100644
--- a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/_operations.py
+++ b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationCustomizedVersionTolerant/dpgcustomizationcustomizedversiontolerant/aio/_operations/_operations.py
@@ -57,7 +57,7 @@ async def get_model(self, mode: str, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -119,7 +119,7 @@ async def post_model(self, mode: str, input: JSONType, **kwargs: Any) -> JSONTyp
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -184,8 +184,8 @@ def get_pages(self, mode: str, **kwargs: Any) -> AsyncIterable[JSONType]:
                     "nextLink": "str",  # Optional.
                     "values": [
                         {
-                            "received": "str"  # Required. Possible values include:
-                              "raw", "model".
+                            "received": "str"  # Required. Known values are: "raw",
+                              "model".
                         }
                     ]
                 }
@@ -303,7 +303,7 @@ async def begin_lro(self, mode: str, **kwargs: Any) -> AsyncLROPoller[JSONType]:
                 # response body for status code(s): 200
                 response.json() == {
                     "provisioningState": "str",  # Required.
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         _headers = kwargs.pop("headers", {}) or {}
diff --git a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/_operations.py b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/_operations.py
index ae7c8af9b45..767df480684 100644
--- a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/_operations.py
+++ b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/_operations/_operations.py
@@ -134,7 +134,7 @@ def get_model(self, mode: str, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -196,7 +196,7 @@ def post_model(self, mode: str, input: JSONType, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -261,8 +261,8 @@ def get_pages(self, mode: str, **kwargs: Any) -> Iterable[JSONType]:
                     "nextLink": "str",  # Optional.
                     "values": [
                         {
-                            "received": "str"  # Required. Possible values include:
-                              "raw", "model".
+                            "received": "str"  # Required. Known values are: "raw",
+                              "model".
                         }
                     ]
                 }
@@ -380,7 +380,7 @@ def begin_lro(self, mode: str, **kwargs: Any) -> LROPoller[JSONType]:
                 # response body for status code(s): 200
                 response.json() == {
                     "provisioningState": "str",  # Required.
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         _headers = kwargs.pop("headers", {}) or {}
diff --git a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/_operations.py b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/_operations.py
index dcfe8234c35..3ad5abbc32a 100644
--- a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/_operations.py
+++ b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGCustomizationInitialVersionTolerant/dpgcustomizationinitialversiontolerant/aio/_operations/_operations.py
@@ -57,7 +57,7 @@ async def get_model(self, mode: str, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -119,7 +119,7 @@ async def post_model(self, mode: str, input: JSONType, **kwargs: Any) -> JSONTyp
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         error_map = {401: ClientAuthenticationError, 404: ResourceNotFoundError, 409: ResourceExistsError}
@@ -184,8 +184,8 @@ def get_pages(self, mode: str, **kwargs: Any) -> AsyncIterable[JSONType]:
                     "nextLink": "str",  # Optional.
                     "values": [
                         {
-                            "received": "str"  # Required. Possible values include:
-                              "raw", "model".
+                            "received": "str"  # Required. Known values are: "raw",
+                              "model".
                         }
                     ]
                 }
@@ -303,7 +303,7 @@ async def begin_lro(self, mode: str, **kwargs: Any) -> AsyncLROPoller[JSONType]:
                 # response body for status code(s): 200
                 response.json() == {
                     "provisioningState": "str",  # Required.
-                    "received": "str"  # Required. Possible values include: "raw", "model".
+                    "received": "str"  # Required. Known values are: "raw", "model".
                 }
         """
         _headers = kwargs.pop("headers", {}) or {}
diff --git a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneVersionTolerant/dpgservicedrivenupdateoneversiontolerant/aio/operations/_operations.py b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneVersionTolerant/dpgservicedrivenupdateoneversiontolerant/aio/operations/_operations.py
index edeeb65e6fe..defc3df5f6b 100644
--- a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneVersionTolerant/dpgservicedrivenupdateoneversiontolerant/aio/operations/_operations.py
+++ b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneVersionTolerant/dpgservicedrivenupdateoneversiontolerant/aio/operations/_operations.py
@@ -213,8 +213,8 @@ async def post_parameters(
         :param parameter: I am a body parameter with a new content type. My only valid JSON entry is {
          url: "http://example.org/myimage.jpeg" }.
         :type parameter: IO or JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
-         "image/jpeg" or "application/json". Default value is "application/json".
+        :keyword content_type: Media type of the body sent to the API. Known values are: "image/jpeg"
+         or "application/json". Default value is "application/json".
         :paramtype content_type: str
         :return: any
         :rtype: any
diff --git a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneVersionTolerant/dpgservicedrivenupdateoneversiontolerant/operations/_operations.py b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneVersionTolerant/dpgservicedrivenupdateoneversiontolerant/operations/_operations.py
index 584dadab31d..31f3d8fb15d 100644
--- a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneVersionTolerant/dpgservicedrivenupdateoneversiontolerant/operations/_operations.py
+++ b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGServiceDrivenUpdateOneVersionTolerant/dpgservicedrivenupdateoneversiontolerant/operations/_operations.py
@@ -335,8 +335,8 @@ def post_parameters(
         :param parameter: I am a body parameter with a new content type. My only valid JSON entry is {
          url: "http://example.org/myimage.jpeg" }.
         :type parameter: IO or JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
-         "image/jpeg" or "application/json". Default value is "application/json".
+        :keyword content_type: Media type of the body sent to the API. Known values are: "image/jpeg"
+         or "application/json". Default value is "application/json".
         :paramtype content_type: str
         :return: any
         :rtype: any
diff --git a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/models/_models.py b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/models/_models.py
index 71bd05c311b..9938c83cafb 100644
--- a/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/models/_models.py
+++ b/test/dpg/version-tolerant/Expected/AcceptanceTests/DPGTestModelsVersionTolerant/dpgtestmodelsversiontolerant/models/_models.py
@@ -46,7 +46,7 @@ class Product(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar received: Required. Possible values include: "raw", "model".
+    :ivar received: Required. Known values are: "raw", "model".
     :vartype received: str or ~dpgtestmodelsversiontolerant.models.ProductReceived
     """
 
@@ -60,7 +60,7 @@ class Product(msrest.serialization.Model):
 
     def __init__(self, *, received: Union[str, "_models.ProductReceived"], **kwargs):
         """
-        :keyword received: Required. Possible values include: "raw", "model".
+        :keyword received: Required. Known values are: "raw", "model".
         :paramtype received: str or ~dpgtestmodelsversiontolerant.models.ProductReceived
         """
         super(Product, self).__init__(**kwargs)
@@ -72,7 +72,7 @@ class LROProduct(Product):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar received: Required. Possible values include: "raw", "model".
+    :ivar received: Required. Known values are: "raw", "model".
     :vartype received: str or ~dpgtestmodelsversiontolerant.models.ProductReceived
     :ivar provisioning_state: Required.
     :vartype provisioning_state: str
@@ -90,7 +90,7 @@ class LROProduct(Product):
 
     def __init__(self, *, received: Union[str, "_models.ProductReceived"], provisioning_state: str, **kwargs):
         """
-        :keyword received: Required. Possible values include: "raw", "model".
+        :keyword received: Required. Known values are: "raw", "model".
         :paramtype received: str or ~dpgtestmodelsversiontolerant.models.ProductReceived
         :keyword provisioning_state: Required.
         :paramtype provisioning_state: str
diff --git a/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/_operation_group_two_operations.py
index 37d10b2a062..aef1ce6fe2b 100644
--- a/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/aio/operations/_operation_group_two_operations.py
@@ -54,7 +54,7 @@ async def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapi.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapi.v3.models.ContentType
diff --git a/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/_operation_group_two_operations.py
index 5471226eb51..0177c8be4d9 100644
--- a/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/Multiapi/multiapi/v3/operations/_operation_group_two_operations.py
@@ -121,7 +121,7 @@ def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapi.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapi.v3.models.ContentType
diff --git a/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/_operation_group_two_operations.py
index f5cea28a9ad..9479594876a 100644
--- a/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/aio/operations/_operation_group_two_operations.py
@@ -54,7 +54,7 @@ async def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapicredentialdefaultpolicy.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapicredentialdefaultpolicy.v3.models.ContentType
diff --git a/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/_operation_group_two_operations.py
index 4e033a4b997..666711a1d43 100644
--- a/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/MultiapiCredentialDefaultPolicy/multiapicredentialdefaultpolicy/v3/operations/_operation_group_two_operations.py
@@ -121,7 +121,7 @@ def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapicredentialdefaultpolicy.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapicredentialdefaultpolicy.v3.models.ContentType
diff --git a/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/_operation_group_two_operations.py
index 2e1460e0100..3699413c038 100644
--- a/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/aio/operations/_operation_group_two_operations.py
@@ -53,7 +53,7 @@ async def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapidataplane.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapidataplane.v3.models.ContentType
diff --git a/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/_operation_group_two_operations.py
index 66abbaee5d9..7239e567d15 100644
--- a/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/MultiapiDataPlane/multiapidataplane/v3/operations/_operation_group_two_operations.py
@@ -120,7 +120,7 @@ def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapidataplane.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapidataplane.v3.models.ContentType
diff --git a/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/_operation_group_two_operations.py
index 0d75d3d6453..9505ea3395e 100644
--- a/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/MultiapiNoAsync/multiapinoasync/v3/operations/_operation_group_two_operations.py
@@ -121,7 +121,7 @@ def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapinoasync.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapinoasync.v3.models.ContentType
diff --git a/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/_operation_group_two_operations.py
index b15ff5cae59..541fb6a2495 100644
--- a/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/aio/operations/_operation_group_two_operations.py
@@ -54,7 +54,7 @@ async def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapiwithsubmodule.submodule.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapiwithsubmodule.submodule.v3.models.ContentType
diff --git a/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/_operation_group_two_operations.py b/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/_operation_group_two_operations.py
index 908ffbf9583..9678fd2ec58 100644
--- a/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/_operation_group_two_operations.py
+++ b/test/multiapi/Expected/AcceptanceTests/MultiapiWithSubmodule/multiapiwithsubmodule/submodule/v3/operations/_operation_group_two_operations.py
@@ -121,7 +121,7 @@ def test_four(  # pylint: disable=inconsistent-return-statements
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~multiapiwithsubmodule.submodule.v3.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~multiapiwithsubmodule.submodule.v3.models.ContentType
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/models/_models.py b/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/models/_models.py
index cfb234e9e2e..e85c7bba75f 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/models/_models.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/models/_models.py
@@ -38,7 +38,7 @@ class Basic(msrest.serialization.Model):
     :ivar name: Name property with a very long description that does not fit on a single line and a
      line break.
     :vartype name: str
-    :ivar color: Possible values include: "cyan", "Magenta", "YELLOW", "blacK".
+    :ivar color: Known values are: "cyan", "Magenta", "YELLOW", "blacK".
     :vartype color: str or ~bodycomplex.models.CMYKColors
     """
 
@@ -55,7 +55,7 @@ def __init__(self, **kwargs):
         :keyword name: Name property with a very long description that does not fit on a single line
          and a line break.
         :paramtype name: str
-        :keyword color: Possible values include: "cyan", "Magenta", "YELLOW", "blacK".
+        :keyword color: Known values are: "cyan", "Magenta", "YELLOW", "blacK".
         :paramtype color: str or ~bodycomplex.models.CMYKColors
         """
         super(Basic, self).__init__(**kwargs)
@@ -704,8 +704,8 @@ class Goblinshark(Shark):
     :vartype birthday: ~datetime.datetime
     :ivar jawsize:
     :vartype jawsize: int
-    :ivar color: Colors possible. Possible values include: "pink", "gray", "brown", "RED", "red".
-     Default value: "gray".
+    :ivar color: Colors possible. Known values are: "pink", "gray", "brown", "RED", "red". Default
+     value: "gray".
     :vartype color: str or ~bodycomplex.models.GoblinSharkColor
     """
 
@@ -740,8 +740,8 @@ def __init__(self, **kwargs):
         :paramtype birthday: ~datetime.datetime
         :keyword jawsize:
         :paramtype jawsize: int
-        :keyword color: Colors possible. Possible values include: "pink", "gray", "brown", "RED",
-         "red". Default value: "gray".
+        :keyword color: Colors possible. Known values are: "pink", "gray", "brown", "RED", "red".
+         Default value: "gray".
         :paramtype color: str or ~bodycomplex.models.GoblinSharkColor
         """
         super(Goblinshark, self).__init__(**kwargs)
@@ -810,7 +810,7 @@ class MyBaseType(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar kind: Required. Constant filled by server. Possible values include: "Kind1".
+    :ivar kind: Required. Constant filled by server. Known values are: "Kind1".
     :vartype kind: str or ~bodycomplex.models.MyKind
     :ivar prop_b1:
     :vartype prop_b1: str
@@ -848,7 +848,7 @@ class MyDerivedType(MyBaseType):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar kind: Required. Constant filled by server. Possible values include: "Kind1".
+    :ivar kind: Required. Constant filled by server. Known values are: "Kind1".
     :vartype kind: str or ~bodycomplex.models.MyKind
     :ivar prop_b1:
     :vartype prop_b1: str
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/models/_models_py3.py b/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/models/_models_py3.py
index 9653b362762..4f11d4489f7 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/models/_models_py3.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplex/bodycomplex/models/_models_py3.py
@@ -45,7 +45,7 @@ class Basic(msrest.serialization.Model):
     :ivar name: Name property with a very long description that does not fit on a single line and a
      line break.
     :vartype name: str
-    :ivar color: Possible values include: "cyan", "Magenta", "YELLOW", "blacK".
+    :ivar color: Known values are: "cyan", "Magenta", "YELLOW", "blacK".
     :vartype color: str or ~bodycomplex.models.CMYKColors
     """
 
@@ -69,7 +69,7 @@ def __init__(
         :keyword name: Name property with a very long description that does not fit on a single line
          and a line break.
         :paramtype name: str
-        :keyword color: Possible values include: "cyan", "Magenta", "YELLOW", "blacK".
+        :keyword color: Known values are: "cyan", "Magenta", "YELLOW", "blacK".
         :paramtype color: str or ~bodycomplex.models.CMYKColors
         """
         super(Basic, self).__init__(**kwargs)
@@ -763,8 +763,8 @@ class Goblinshark(Shark):
     :vartype birthday: ~datetime.datetime
     :ivar jawsize:
     :vartype jawsize: int
-    :ivar color: Colors possible. Possible values include: "pink", "gray", "brown", "RED", "red".
-     Default value: "gray".
+    :ivar color: Colors possible. Known values are: "pink", "gray", "brown", "RED", "red". Default
+     value: "gray".
     :vartype color: str or ~bodycomplex.models.GoblinSharkColor
     """
 
@@ -810,8 +810,8 @@ def __init__(
         :paramtype birthday: ~datetime.datetime
         :keyword jawsize:
         :paramtype jawsize: int
-        :keyword color: Colors possible. Possible values include: "pink", "gray", "brown", "RED",
-         "red". Default value: "gray".
+        :keyword color: Colors possible. Known values are: "pink", "gray", "brown", "RED", "red".
+         Default value: "gray".
         :paramtype color: str or ~bodycomplex.models.GoblinSharkColor
         """
         super(Goblinshark, self).__init__(
@@ -882,7 +882,7 @@ class MyBaseType(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar kind: Required. Constant filled by server. Possible values include: "Kind1".
+    :ivar kind: Required. Constant filled by server. Known values are: "Kind1".
     :vartype kind: str or ~bodycomplex.models.MyKind
     :ivar prop_b1:
     :vartype prop_b1: str
@@ -920,7 +920,7 @@ class MyDerivedType(MyBaseType):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar kind: Required. Constant filled by server. Possible values include: "Kind1".
+    :ivar kind: Required. Constant filled by server. Known values are: "Kind1".
     :vartype kind: str or ~bodycomplex.models.MyKind
     :ivar prop_b1:
     :vartype prop_b1: str
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplexPythonThreeOnly/bodycomplexpython3only/models/_models_py3.py b/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplexPythonThreeOnly/bodycomplexpython3only/models/_models_py3.py
index 10e9e68c662..8b4141ccc9e 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplexPythonThreeOnly/bodycomplexpython3only/models/_models_py3.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/BodyComplexPythonThreeOnly/bodycomplexpython3only/models/_models_py3.py
@@ -45,7 +45,7 @@ class Basic(msrest.serialization.Model):
     :ivar name: Name property with a very long description that does not fit on a single line and a
      line break.
     :vartype name: str
-    :ivar color: Possible values include: "cyan", "Magenta", "YELLOW", "blacK".
+    :ivar color: Known values are: "cyan", "Magenta", "YELLOW", "blacK".
     :vartype color: str or ~bodycomplexpython3only.models.CMYKColors
     """
 
@@ -69,7 +69,7 @@ def __init__(
         :keyword name: Name property with a very long description that does not fit on a single line
          and a line break.
         :paramtype name: str
-        :keyword color: Possible values include: "cyan", "Magenta", "YELLOW", "blacK".
+        :keyword color: Known values are: "cyan", "Magenta", "YELLOW", "blacK".
         :paramtype color: str or ~bodycomplexpython3only.models.CMYKColors
         """
         super(Basic, self).__init__(**kwargs)
@@ -763,8 +763,8 @@ class Goblinshark(Shark):
     :vartype birthday: ~datetime.datetime
     :ivar jawsize:
     :vartype jawsize: int
-    :ivar color: Colors possible. Possible values include: "pink", "gray", "brown", "RED", "red".
-     Default value: "gray".
+    :ivar color: Colors possible. Known values are: "pink", "gray", "brown", "RED", "red". Default
+     value: "gray".
     :vartype color: str or ~bodycomplexpython3only.models.GoblinSharkColor
     """
 
@@ -810,8 +810,8 @@ def __init__(
         :paramtype birthday: ~datetime.datetime
         :keyword jawsize:
         :paramtype jawsize: int
-        :keyword color: Colors possible. Possible values include: "pink", "gray", "brown", "RED",
-         "red". Default value: "gray".
+        :keyword color: Colors possible. Known values are: "pink", "gray", "brown", "RED", "red".
+         Default value: "gray".
         :paramtype color: str or ~bodycomplexpython3only.models.GoblinSharkColor
         """
         super(Goblinshark, self).__init__(
@@ -882,7 +882,7 @@ class MyBaseType(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar kind: Required. Constant filled by server. Possible values include: "Kind1".
+    :ivar kind: Required. Constant filled by server. Known values are: "Kind1".
     :vartype kind: str or ~bodycomplexpython3only.models.MyKind
     :ivar prop_b1:
     :vartype prop_b1: str
@@ -920,7 +920,7 @@ class MyDerivedType(MyBaseType):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar kind: Required. Constant filled by server. Possible values include: "Kind1".
+    :ivar kind: Required. Constant filled by server. Known values are: "Kind1".
     :vartype kind: str or ~bodycomplexpython3only.models.MyKind
     :ivar prop_b1:
     :vartype prop_b1: str
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/models/_models.py b/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/models/_models.py
index 2e852d6497d..4cb1a15b5f6 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/models/_models.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/models/_models.py
@@ -16,10 +16,10 @@ class Paths14Hl8BdFormsdataurlencodedPetAddPetidPostRequestbodyContentApplicatio
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar pet_type: Required. Can take a value of dog, or cat, or fish. Possible values include:
-     "dog", "cat", "fish".
+    :ivar pet_type: Required. Can take a value of dog, or cat, or fish. Known values are: "dog",
+     "cat", "fish".
     :vartype pet_type: str or ~bodyformurlencodeddata.models.PetType
-    :ivar pet_food: Required. Can take a value of meat, or fish, or plant. Possible values include:
+    :ivar pet_food: Required. Can take a value of meat, or fish, or plant. Known values are:
      "meat", "fish", "plant".
     :vartype pet_food: str or ~bodyformurlencodeddata.models.PetFood
     :ivar pet_age: Required. How many years is it old?.
@@ -46,11 +46,11 @@ class Paths14Hl8BdFormsdataurlencodedPetAddPetidPostRequestbodyContentApplicatio
 
     def __init__(self, **kwargs):
         """
-        :keyword pet_type: Required. Can take a value of dog, or cat, or fish. Possible values include:
-         "dog", "cat", "fish".
+        :keyword pet_type: Required. Can take a value of dog, or cat, or fish. Known values are: "dog",
+         "cat", "fish".
         :paramtype pet_type: str or ~bodyformurlencodeddata.models.PetType
-        :keyword pet_food: Required. Can take a value of meat, or fish, or plant. Possible values
-         include: "meat", "fish", "plant".
+        :keyword pet_food: Required. Can take a value of meat, or fish, or plant. Known values are:
+         "meat", "fish", "plant".
         :paramtype pet_food: str or ~bodyformurlencodeddata.models.PetFood
         :keyword pet_age: Required. How many years is it old?.
         :paramtype pet_age: int
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/models/_models_py3.py b/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/models/_models_py3.py
index aac41f8373a..8cd7cb12c79 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/models/_models_py3.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/BodyFormUrlEncodedData/bodyformurlencodeddata/models/_models_py3.py
@@ -18,10 +18,10 @@ class Paths14Hl8BdFormsdataurlencodedPetAddPetidPostRequestbodyContentApplicatio
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar pet_type: Required. Can take a value of dog, or cat, or fish. Possible values include:
-     "dog", "cat", "fish".
+    :ivar pet_type: Required. Can take a value of dog, or cat, or fish. Known values are: "dog",
+     "cat", "fish".
     :vartype pet_type: str or ~bodyformurlencodeddata.models.PetType
-    :ivar pet_food: Required. Can take a value of meat, or fish, or plant. Possible values include:
+    :ivar pet_food: Required. Can take a value of meat, or fish, or plant. Known values are:
      "meat", "fish", "plant".
     :vartype pet_food: str or ~bodyformurlencodeddata.models.PetFood
     :ivar pet_age: Required. How many years is it old?.
@@ -57,11 +57,11 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword pet_type: Required. Can take a value of dog, or cat, or fish. Possible values include:
-         "dog", "cat", "fish".
+        :keyword pet_type: Required. Can take a value of dog, or cat, or fish. Known values are: "dog",
+         "cat", "fish".
         :paramtype pet_type: str or ~bodyformurlencodeddata.models.PetType
-        :keyword pet_food: Required. Can take a value of meat, or fish, or plant. Possible values
-         include: "meat", "fish", "plant".
+        :keyword pet_food: Required. Can take a value of meat, or fish, or plant. Known values are:
+         "meat", "fish", "plant".
         :paramtype pet_food: str or ~bodyformurlencodeddata.models.PetFood
         :keyword pet_age: Required. How many years is it old?.
         :paramtype pet_age: int
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/aio/operations/_contants_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/aio/operations/_contants_operations.py
index 46829c773b3..0d13446e263 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/aio/operations/_contants_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/aio/operations/_contants_operations.py
@@ -170,7 +170,7 @@ async def put_no_model_as_string_no_required_one_value_no_default(  # pylint: di
 
         Puts constants to the testserver.
 
-        :param input: Possible values are "value1" or None. Default value is "value1".
+        :param input: Known values are "value1" or None. Default value is "value1".
         :type input: str
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -216,7 +216,7 @@ async def put_no_model_as_string_no_required_one_value_default(  # pylint: disab
 
         Puts constants to the testserver.
 
-        :param input: Possible values are "value1" or None. Default value is "value1".
+        :param input: Known values are "value1" or None. Default value is "value1".
         :type input: str
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/models/_models.py b/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/models/_models.py
index 7f73ff02e96..1da9a81e154 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/models/_models.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/models/_models.py
@@ -12,7 +12,7 @@
 class ModelAsStringNoRequiredOneValueDefault(msrest.serialization.Model):
     """ModelAsStringNoRequiredOneValueDefault.
 
-    :ivar parameter: Possible values include: "value1".
+    :ivar parameter: Known values are: "value1".
     :vartype parameter: str or ~constants.models.ModelAsStringNoRequiredOneValueDefaultEnum
     """
 
@@ -22,7 +22,7 @@ class ModelAsStringNoRequiredOneValueDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Possible values include: "value1".
+        :keyword parameter: Known values are: "value1".
         :paramtype parameter: str or ~constants.models.ModelAsStringNoRequiredOneValueDefaultEnum
         """
         super(ModelAsStringNoRequiredOneValueDefault, self).__init__(**kwargs)
@@ -32,7 +32,7 @@ def __init__(self, **kwargs):
 class ModelAsStringNoRequiredOneValueNoDefault(msrest.serialization.Model):
     """ModelAsStringNoRequiredOneValueNoDefault.
 
-    :ivar parameter: Possible values include: "value1".
+    :ivar parameter: Known values are: "value1".
     :vartype parameter: str or ~constants.models.ModelAsStringNoRequiredOneValueNoDefaultEnum
     """
 
@@ -42,7 +42,7 @@ class ModelAsStringNoRequiredOneValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Possible values include: "value1".
+        :keyword parameter: Known values are: "value1".
         :paramtype parameter: str or ~constants.models.ModelAsStringNoRequiredOneValueNoDefaultEnum
         """
         super(ModelAsStringNoRequiredOneValueNoDefault, self).__init__(**kwargs)
@@ -52,7 +52,7 @@ def __init__(self, **kwargs):
 class ModelAsStringNoRequiredTwoValueDefault(msrest.serialization.Model):
     """ModelAsStringNoRequiredTwoValueDefault.
 
-    :ivar parameter: Possible values include: "value1", "value2".
+    :ivar parameter: Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.ModelAsStringNoRequiredTwoValueDefaultEnum
     """
 
@@ -62,7 +62,7 @@ class ModelAsStringNoRequiredTwoValueDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Possible values include: "value1", "value2".
+        :keyword parameter: Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.ModelAsStringNoRequiredTwoValueDefaultEnum
         """
         super(ModelAsStringNoRequiredTwoValueDefault, self).__init__(**kwargs)
@@ -72,7 +72,7 @@ def __init__(self, **kwargs):
 class ModelAsStringNoRequiredTwoValueNoDefault(msrest.serialization.Model):
     """ModelAsStringNoRequiredTwoValueNoDefault.
 
-    :ivar parameter: Possible values include: "value1", "value2".
+    :ivar parameter: Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.ModelAsStringNoRequiredTwoValueNoDefaultEnum
     """
 
@@ -82,7 +82,7 @@ class ModelAsStringNoRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Possible values include: "value1", "value2".
+        :keyword parameter: Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.ModelAsStringNoRequiredTwoValueNoDefaultEnum
         """
         super(ModelAsStringNoRequiredTwoValueNoDefault, self).__init__(**kwargs)
@@ -94,7 +94,7 @@ class ModelAsStringRequiredOneValueDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1".
+    :ivar parameter: Required. Known values are: "value1".
     :vartype parameter: str or ~constants.models.ModelAsStringRequiredOneValueDefaultEnum
     """
 
@@ -108,7 +108,7 @@ class ModelAsStringRequiredOneValueDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1".
+        :keyword parameter: Required. Known values are: "value1".
         :paramtype parameter: str or ~constants.models.ModelAsStringRequiredOneValueDefaultEnum
         """
         super(ModelAsStringRequiredOneValueDefault, self).__init__(**kwargs)
@@ -120,7 +120,7 @@ class ModelAsStringRequiredOneValueNoDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1".
+    :ivar parameter: Required. Known values are: "value1".
     :vartype parameter: str or ~constants.models.ModelAsStringRequiredOneValueNoDefaultEnum
     """
 
@@ -134,7 +134,7 @@ class ModelAsStringRequiredOneValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1".
+        :keyword parameter: Required. Known values are: "value1".
         :paramtype parameter: str or ~constants.models.ModelAsStringRequiredOneValueNoDefaultEnum
         """
         super(ModelAsStringRequiredOneValueNoDefault, self).__init__(**kwargs)
@@ -146,7 +146,7 @@ class ModelAsStringRequiredTwoValueDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1", "value2".
+    :ivar parameter: Required. Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.ModelAsStringRequiredTwoValueDefaultEnum
     """
 
@@ -160,7 +160,7 @@ class ModelAsStringRequiredTwoValueDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1", "value2".
+        :keyword parameter: Required. Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.ModelAsStringRequiredTwoValueDefaultEnum
         """
         super(ModelAsStringRequiredTwoValueDefault, self).__init__(**kwargs)
@@ -172,7 +172,7 @@ class ModelAsStringRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1", "value2".
+    :ivar parameter: Required. Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.ModelAsStringRequiredTwoValueNoDefaultEnum
     """
 
@@ -186,7 +186,7 @@ class ModelAsStringRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1", "value2".
+        :keyword parameter: Required. Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.ModelAsStringRequiredTwoValueNoDefaultEnum
         """
         super(ModelAsStringRequiredTwoValueNoDefault, self).__init__(**kwargs)
@@ -240,7 +240,7 @@ def __init__(self, **kwargs):
 class NoModelAsStringNoRequiredTwoValueDefault(msrest.serialization.Model):
     """NoModelAsStringNoRequiredTwoValueDefault.
 
-    :ivar parameter: Possible values include: "value1", "value2".
+    :ivar parameter: Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.NoModelAsStringNoRequiredTwoValueDefaultEnum
     """
 
@@ -250,7 +250,7 @@ class NoModelAsStringNoRequiredTwoValueDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Possible values include: "value1", "value2".
+        :keyword parameter: Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.NoModelAsStringNoRequiredTwoValueDefaultEnum
         """
         super(NoModelAsStringNoRequiredTwoValueDefault, self).__init__(**kwargs)
@@ -260,7 +260,7 @@ def __init__(self, **kwargs):
 class NoModelAsStringNoRequiredTwoValueNoDefault(msrest.serialization.Model):
     """NoModelAsStringNoRequiredTwoValueNoDefault.
 
-    :ivar parameter: Possible values include: "value1", "value2".
+    :ivar parameter: Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.NoModelAsStringNoRequiredTwoValueNoDefaultEnum
     """
 
@@ -270,7 +270,7 @@ class NoModelAsStringNoRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Possible values include: "value1", "value2".
+        :keyword parameter: Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.NoModelAsStringNoRequiredTwoValueNoDefaultEnum
         """
         super(NoModelAsStringNoRequiredTwoValueNoDefault, self).__init__(**kwargs)
@@ -334,7 +334,7 @@ class NoModelAsStringRequiredTwoValueDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1", "value2".
+    :ivar parameter: Required. Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.NoModelAsStringRequiredTwoValueDefaultEnum
     """
 
@@ -348,7 +348,7 @@ class NoModelAsStringRequiredTwoValueDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1", "value2".
+        :keyword parameter: Required. Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.NoModelAsStringRequiredTwoValueDefaultEnum
         """
         super(NoModelAsStringRequiredTwoValueDefault, self).__init__(**kwargs)
@@ -360,7 +360,7 @@ class NoModelAsStringRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1", "value2".
+    :ivar parameter: Required. Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.NoModelAsStringRequiredTwoValueNoDefaultEnum
     """
 
@@ -374,7 +374,7 @@ class NoModelAsStringRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1", "value2".
+        :keyword parameter: Required. Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.NoModelAsStringRequiredTwoValueNoDefaultEnum
         """
         super(NoModelAsStringRequiredTwoValueNoDefault, self).__init__(**kwargs)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/models/_models_py3.py b/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/models/_models_py3.py
index 0f6636fcfd4..de77beba62f 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/models/_models_py3.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/models/_models_py3.py
@@ -14,7 +14,7 @@
 class ModelAsStringNoRequiredOneValueDefault(msrest.serialization.Model):
     """ModelAsStringNoRequiredOneValueDefault.
 
-    :ivar parameter: Possible values include: "value1".
+    :ivar parameter: Known values are: "value1".
     :vartype parameter: str or ~constants.models.ModelAsStringNoRequiredOneValueDefaultEnum
     """
 
@@ -29,7 +29,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword parameter: Possible values include: "value1".
+        :keyword parameter: Known values are: "value1".
         :paramtype parameter: str or ~constants.models.ModelAsStringNoRequiredOneValueDefaultEnum
         """
         super(ModelAsStringNoRequiredOneValueDefault, self).__init__(**kwargs)
@@ -39,7 +39,7 @@ def __init__(
 class ModelAsStringNoRequiredOneValueNoDefault(msrest.serialization.Model):
     """ModelAsStringNoRequiredOneValueNoDefault.
 
-    :ivar parameter: Possible values include: "value1".
+    :ivar parameter: Known values are: "value1".
     :vartype parameter: str or ~constants.models.ModelAsStringNoRequiredOneValueNoDefaultEnum
     """
 
@@ -54,7 +54,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword parameter: Possible values include: "value1".
+        :keyword parameter: Known values are: "value1".
         :paramtype parameter: str or ~constants.models.ModelAsStringNoRequiredOneValueNoDefaultEnum
         """
         super(ModelAsStringNoRequiredOneValueNoDefault, self).__init__(**kwargs)
@@ -64,7 +64,7 @@ def __init__(
 class ModelAsStringNoRequiredTwoValueDefault(msrest.serialization.Model):
     """ModelAsStringNoRequiredTwoValueDefault.
 
-    :ivar parameter: Possible values include: "value1", "value2".
+    :ivar parameter: Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.ModelAsStringNoRequiredTwoValueDefaultEnum
     """
 
@@ -79,7 +79,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword parameter: Possible values include: "value1", "value2".
+        :keyword parameter: Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.ModelAsStringNoRequiredTwoValueDefaultEnum
         """
         super(ModelAsStringNoRequiredTwoValueDefault, self).__init__(**kwargs)
@@ -89,7 +89,7 @@ def __init__(
 class ModelAsStringNoRequiredTwoValueNoDefault(msrest.serialization.Model):
     """ModelAsStringNoRequiredTwoValueNoDefault.
 
-    :ivar parameter: Possible values include: "value1", "value2".
+    :ivar parameter: Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.ModelAsStringNoRequiredTwoValueNoDefaultEnum
     """
 
@@ -104,7 +104,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword parameter: Possible values include: "value1", "value2".
+        :keyword parameter: Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.ModelAsStringNoRequiredTwoValueNoDefaultEnum
         """
         super(ModelAsStringNoRequiredTwoValueNoDefault, self).__init__(**kwargs)
@@ -116,7 +116,7 @@ class ModelAsStringRequiredOneValueDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1".
+    :ivar parameter: Required. Known values are: "value1".
     :vartype parameter: str or ~constants.models.ModelAsStringRequiredOneValueDefaultEnum
     """
 
@@ -132,7 +132,7 @@ def __init__(
         self, *, parameter: Union[str, "_models.ModelAsStringRequiredOneValueDefaultEnum"] = "value1", **kwargs
     ):
         """
-        :keyword parameter: Required. Possible values include: "value1".
+        :keyword parameter: Required. Known values are: "value1".
         :paramtype parameter: str or ~constants.models.ModelAsStringRequiredOneValueDefaultEnum
         """
         super(ModelAsStringRequiredOneValueDefault, self).__init__(**kwargs)
@@ -144,7 +144,7 @@ class ModelAsStringRequiredOneValueNoDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1".
+    :ivar parameter: Required. Known values are: "value1".
     :vartype parameter: str or ~constants.models.ModelAsStringRequiredOneValueNoDefaultEnum
     """
 
@@ -158,7 +158,7 @@ class ModelAsStringRequiredOneValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, *, parameter: Union[str, "_models.ModelAsStringRequiredOneValueNoDefaultEnum"], **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1".
+        :keyword parameter: Required. Known values are: "value1".
         :paramtype parameter: str or ~constants.models.ModelAsStringRequiredOneValueNoDefaultEnum
         """
         super(ModelAsStringRequiredOneValueNoDefault, self).__init__(**kwargs)
@@ -170,7 +170,7 @@ class ModelAsStringRequiredTwoValueDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1", "value2".
+    :ivar parameter: Required. Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.ModelAsStringRequiredTwoValueDefaultEnum
     """
 
@@ -186,7 +186,7 @@ def __init__(
         self, *, parameter: Union[str, "_models.ModelAsStringRequiredTwoValueDefaultEnum"] = "value1", **kwargs
     ):
         """
-        :keyword parameter: Required. Possible values include: "value1", "value2".
+        :keyword parameter: Required. Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.ModelAsStringRequiredTwoValueDefaultEnum
         """
         super(ModelAsStringRequiredTwoValueDefault, self).__init__(**kwargs)
@@ -198,7 +198,7 @@ class ModelAsStringRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1", "value2".
+    :ivar parameter: Required. Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.ModelAsStringRequiredTwoValueNoDefaultEnum
     """
 
@@ -212,7 +212,7 @@ class ModelAsStringRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, *, parameter: Union[str, "_models.ModelAsStringRequiredTwoValueNoDefaultEnum"], **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1", "value2".
+        :keyword parameter: Required. Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.ModelAsStringRequiredTwoValueNoDefaultEnum
         """
         super(ModelAsStringRequiredTwoValueNoDefault, self).__init__(**kwargs)
@@ -266,7 +266,7 @@ def __init__(self, *, parameter: Optional[str] = None, **kwargs):
 class NoModelAsStringNoRequiredTwoValueDefault(msrest.serialization.Model):
     """NoModelAsStringNoRequiredTwoValueDefault.
 
-    :ivar parameter: Possible values include: "value1", "value2".
+    :ivar parameter: Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.NoModelAsStringNoRequiredTwoValueDefaultEnum
     """
 
@@ -281,7 +281,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword parameter: Possible values include: "value1", "value2".
+        :keyword parameter: Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.NoModelAsStringNoRequiredTwoValueDefaultEnum
         """
         super(NoModelAsStringNoRequiredTwoValueDefault, self).__init__(**kwargs)
@@ -291,7 +291,7 @@ def __init__(
 class NoModelAsStringNoRequiredTwoValueNoDefault(msrest.serialization.Model):
     """NoModelAsStringNoRequiredTwoValueNoDefault.
 
-    :ivar parameter: Possible values include: "value1", "value2".
+    :ivar parameter: Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.NoModelAsStringNoRequiredTwoValueNoDefaultEnum
     """
 
@@ -306,7 +306,7 @@ def __init__(
         **kwargs
     ):
         """
-        :keyword parameter: Possible values include: "value1", "value2".
+        :keyword parameter: Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.NoModelAsStringNoRequiredTwoValueNoDefaultEnum
         """
         super(NoModelAsStringNoRequiredTwoValueNoDefault, self).__init__(**kwargs)
@@ -370,7 +370,7 @@ class NoModelAsStringRequiredTwoValueDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1", "value2".
+    :ivar parameter: Required. Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.NoModelAsStringRequiredTwoValueDefaultEnum
     """
 
@@ -386,7 +386,7 @@ def __init__(
         self, *, parameter: Union[str, "_models.NoModelAsStringRequiredTwoValueDefaultEnum"] = "value1", **kwargs
     ):
         """
-        :keyword parameter: Required. Possible values include: "value1", "value2".
+        :keyword parameter: Required. Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.NoModelAsStringRequiredTwoValueDefaultEnum
         """
         super(NoModelAsStringRequiredTwoValueDefault, self).__init__(**kwargs)
@@ -398,7 +398,7 @@ class NoModelAsStringRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     All required parameters must be populated in order to send to Azure.
 
-    :ivar parameter: Required. Possible values include: "value1", "value2".
+    :ivar parameter: Required. Known values are: "value1", "value2".
     :vartype parameter: str or ~constants.models.NoModelAsStringRequiredTwoValueNoDefaultEnum
     """
 
@@ -412,7 +412,7 @@ class NoModelAsStringRequiredTwoValueNoDefault(msrest.serialization.Model):
 
     def __init__(self, *, parameter: Union[str, "_models.NoModelAsStringRequiredTwoValueNoDefaultEnum"], **kwargs):
         """
-        :keyword parameter: Required. Possible values include: "value1", "value2".
+        :keyword parameter: Required. Known values are: "value1", "value2".
         :paramtype parameter: str or ~constants.models.NoModelAsStringRequiredTwoValueNoDefaultEnum
         """
         super(NoModelAsStringRequiredTwoValueNoDefault, self).__init__(**kwargs)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/operations/_contants_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/operations/_contants_operations.py
index 64124ba6f19..cd13157bb57 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/operations/_contants_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Constants/constants/operations/_contants_operations.py
@@ -542,7 +542,7 @@ def put_no_model_as_string_no_required_one_value_no_default(  # pylint: disable=
 
         Puts constants to the testserver.
 
-        :param input: Possible values are "value1" or None. Default value is "value1".
+        :param input: Known values are "value1" or None. Default value is "value1".
         :type input: str
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -591,7 +591,7 @@ def put_no_model_as_string_no_required_one_value_default(  # pylint: disable=inc
 
         Puts constants to the testserver.
 
-        :param input: Possible values are "value1" or None. Default value is "value1".
+        :param input: Known values are "value1" or None. Default value is "value1".
         :type input: str
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/models/_models.py b/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/models/_models.py
index 9d49eb7d6ef..7c7fd6a4fc0 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/models/_models.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/models/_models.py
@@ -18,7 +18,7 @@ class Error(msrest.serialization.Model):
     :ivar additional_properties: Unmatched properties from the message are deserialized to this
      collection.
     :vartype additional_properties: dict[str, any]
-    :ivar code: Required. One of a server-defined set of error codes. Possible values include:
+    :ivar code: Required. One of a server-defined set of error codes. Known values are:
      "BadParameter", "Unauthorized".
     :vartype code: str or ~errorwithsecrets.models.ErrorCode
     :ivar message: Required. A human-readable representation of the error.
@@ -51,7 +51,7 @@ def __init__(self, **kwargs):
         :keyword additional_properties: Unmatched properties from the message are deserialized to this
          collection.
         :paramtype additional_properties: dict[str, any]
-        :keyword code: Required. One of a server-defined set of error codes. Possible values include:
+        :keyword code: Required. One of a server-defined set of error codes. Known values are:
          "BadParameter", "Unauthorized".
         :paramtype code: str or ~errorwithsecrets.models.ErrorCode
         :keyword message: Required. A human-readable representation of the error.
@@ -115,7 +115,7 @@ class InnerError(msrest.serialization.Model):
     :ivar additional_properties: Unmatched properties from the message are deserialized to this
      collection.
     :vartype additional_properties: dict[str, any]
-    :ivar code: Required. One of a server-defined set of error codes. Possible values include:
+    :ivar code: Required. One of a server-defined set of error codes. Known values are:
      "MissingSharedKey", "UnauthorizedSharedKey".
     :vartype code: str or ~errorwithsecrets.models.InnerErrorCode
     :ivar message: Required. Error message.
@@ -142,7 +142,7 @@ def __init__(self, **kwargs):
         :keyword additional_properties: Unmatched properties from the message are deserialized to this
          collection.
         :paramtype additional_properties: dict[str, any]
-        :keyword code: Required. One of a server-defined set of error codes. Possible values include:
+        :keyword code: Required. One of a server-defined set of error codes. Known values are:
          "MissingSharedKey", "UnauthorizedSharedKey".
         :paramtype code: str or ~errorwithsecrets.models.InnerErrorCode
         :keyword message: Required. Error message.
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/models/_models_py3.py b/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/models/_models_py3.py
index d5dcfda995a..7e9029ef043 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/models/_models_py3.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/ErrorWithSecrets/errorwithsecrets/models/_models_py3.py
@@ -24,7 +24,7 @@ class Error(msrest.serialization.Model):
     :ivar additional_properties: Unmatched properties from the message are deserialized to this
      collection.
     :vartype additional_properties: dict[str, any]
-    :ivar code: Required. One of a server-defined set of error codes. Possible values include:
+    :ivar code: Required. One of a server-defined set of error codes. Known values are:
      "BadParameter", "Unauthorized".
     :vartype code: str or ~errorwithsecrets.models.ErrorCode
     :ivar message: Required. A human-readable representation of the error.
@@ -67,7 +67,7 @@ def __init__(
         :keyword additional_properties: Unmatched properties from the message are deserialized to this
          collection.
         :paramtype additional_properties: dict[str, any]
-        :keyword code: Required. One of a server-defined set of error codes. Possible values include:
+        :keyword code: Required. One of a server-defined set of error codes. Known values are:
          "BadParameter", "Unauthorized".
         :paramtype code: str or ~errorwithsecrets.models.ErrorCode
         :keyword message: Required. A human-readable representation of the error.
@@ -131,7 +131,7 @@ class InnerError(msrest.serialization.Model):
     :ivar additional_properties: Unmatched properties from the message are deserialized to this
      collection.
     :vartype additional_properties: dict[str, any]
-    :ivar code: Required. One of a server-defined set of error codes. Possible values include:
+    :ivar code: Required. One of a server-defined set of error codes. Known values are:
      "MissingSharedKey", "UnauthorizedSharedKey".
     :vartype code: str or ~errorwithsecrets.models.InnerErrorCode
     :ivar message: Required. Error message.
@@ -166,7 +166,7 @@ def __init__(
         :keyword additional_properties: Unmatched properties from the message are deserialized to this
          collection.
         :paramtype additional_properties: dict[str, any]
-        :keyword code: Required. One of a server-defined set of error codes. Possible values include:
+        :keyword code: Required. One of a server-defined set of error codes. Known values are:
          "MissingSharedKey", "UnauthorizedSharedKey".
         :paramtype code: str or ~errorwithsecrets.models.InnerErrorCode
         :keyword message: Required. Error message.
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/models/_models.py b/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/models/_models.py
index d7ad82cbff7..8f7772d5b85 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/models/_models.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/models/_models.py
@@ -16,10 +16,10 @@ class Pet(msrest.serialization.Model):
 
     :ivar name: name.
     :vartype name: str
-    :ivar days_of_week: Type of Pet. Possible values include: "Monday", "Tuesday", "Wednesday",
+    :ivar days_of_week: Type of Pet. Known values are: "Monday", "Tuesday", "Wednesday",
      "Thursday", "Friday", "Saturday", "Sunday". Default value: "Friday".
     :vartype days_of_week: str or ~extensibleenumsswagger.models.DaysOfWeekExtensibleEnum
-    :ivar int_enum: Required. Possible values include: "1", "2", "3".
+    :ivar int_enum: Required. Known values are: "1", "2", "3".
     :vartype int_enum: str or ~extensibleenumsswagger.models.IntEnum
     """
 
@@ -37,10 +37,10 @@ def __init__(self, **kwargs):
         """
         :keyword name: name.
         :paramtype name: str
-        :keyword days_of_week: Type of Pet. Possible values include: "Monday", "Tuesday", "Wednesday",
+        :keyword days_of_week: Type of Pet. Known values are: "Monday", "Tuesday", "Wednesday",
          "Thursday", "Friday", "Saturday", "Sunday". Default value: "Friday".
         :paramtype days_of_week: str or ~extensibleenumsswagger.models.DaysOfWeekExtensibleEnum
-        :keyword int_enum: Required. Possible values include: "1", "2", "3".
+        :keyword int_enum: Required. Known values are: "1", "2", "3".
         :paramtype int_enum: str or ~extensibleenumsswagger.models.IntEnum
         """
         super(Pet, self).__init__(**kwargs)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/models/_models_py3.py b/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/models/_models_py3.py
index 60ae554734a..7efc880b4cb 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/models/_models_py3.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/ExtensibleEnums/extensibleenumsswagger/models/_models_py3.py
@@ -18,10 +18,10 @@ class Pet(msrest.serialization.Model):
 
     :ivar name: name.
     :vartype name: str
-    :ivar days_of_week: Type of Pet. Possible values include: "Monday", "Tuesday", "Wednesday",
+    :ivar days_of_week: Type of Pet. Known values are: "Monday", "Tuesday", "Wednesday",
      "Thursday", "Friday", "Saturday", "Sunday". Default value: "Friday".
     :vartype days_of_week: str or ~extensibleenumsswagger.models.DaysOfWeekExtensibleEnum
-    :ivar int_enum: Required. Possible values include: "1", "2", "3".
+    :ivar int_enum: Required. Known values are: "1", "2", "3".
     :vartype int_enum: str or ~extensibleenumsswagger.models.IntEnum
     """
 
@@ -46,10 +46,10 @@ def __init__(
         """
         :keyword name: name.
         :paramtype name: str
-        :keyword days_of_week: Type of Pet. Possible values include: "Monday", "Tuesday", "Wednesday",
+        :keyword days_of_week: Type of Pet. Known values are: "Monday", "Tuesday", "Wednesday",
          "Thursday", "Friday", "Saturday", "Sunday". Default value: "Friday".
         :paramtype days_of_week: str or ~extensibleenumsswagger.models.DaysOfWeekExtensibleEnum
-        :keyword int_enum: Required. Possible values include: "1", "2", "3".
+        :keyword int_enum: Required. Known values are: "1", "2", "3".
         :paramtype int_enum: str or ~extensibleenumsswagger.models.IntEnum
         """
         super(Pet, self).__init__(**kwargs)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_client_failure_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_client_failure_operations.py
index 3a2bc2b0281..a7abc81bdd9 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_client_failure_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_client_failure_operations.py
@@ -201,8 +201,8 @@ async def put400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -256,8 +256,8 @@ async def patch400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -311,8 +311,8 @@ async def post400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -366,8 +366,8 @@ async def delete400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -581,8 +581,8 @@ async def put404(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 404 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -636,8 +636,8 @@ async def patch405(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 405 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -691,8 +691,8 @@ async def post406(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 406 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -746,8 +746,8 @@ async def delete407(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 407 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -801,8 +801,8 @@ async def put409(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 409 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1016,8 +1016,8 @@ async def put413(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 413 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1071,8 +1071,8 @@ async def patch414(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 414 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1126,8 +1126,8 @@ async def post415(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 415 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1221,8 +1221,8 @@ async def delete417(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 417 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_redirects_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_redirects_operations.py
index 4963a13ea8b..d520f5cb614 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_redirects_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_redirects_operations.py
@@ -253,8 +253,8 @@ async def put301(  # pylint: disable=inconsistent-return-statements
         """Put true Boolean value in request returns 301.  This request should not be automatically
         redirected, but should return the received 301 to the caller for evaluation.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -400,8 +400,8 @@ async def patch302(  # pylint: disable=inconsistent-return-statements
         """Patch true Boolean value in request returns 302.  This request should not be automatically
         redirected, but should return the received 302 to the caller for evaluation.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -459,8 +459,8 @@ async def post303(  # pylint: disable=inconsistent-return-statements
         """Post true Boolean value in request returns 303.  This request should be automatically
         redirected usign a get, ultimately returning a 200 status code.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -650,8 +650,8 @@ async def put307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -709,8 +709,8 @@ async def patch307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -768,8 +768,8 @@ async def post307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -827,8 +827,8 @@ async def delete307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_retry_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_retry_operations.py
index 7f14234aace..11d61d2614c 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_retry_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_retry_operations.py
@@ -104,8 +104,8 @@ async def put500(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 500 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -159,8 +159,8 @@ async def patch500(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 500 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -298,8 +298,8 @@ async def post503(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 503 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -353,8 +353,8 @@ async def delete503(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 503 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -408,8 +408,8 @@ async def put504(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 504 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -463,8 +463,8 @@ async def patch504(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 504 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_server_failure_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_server_failure_operations.py
index 9022037e67f..b6e8a66e984 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_server_failure_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_server_failure_operations.py
@@ -139,8 +139,8 @@ async def post505(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 505 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -194,8 +194,8 @@ async def delete505(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 505 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_success_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_success_operations.py
index 17051bd43c9..624e4a68176 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_success_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/aio/operations/_http_success_operations.py
@@ -202,8 +202,8 @@ async def put200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put boolean value true returning 200 success.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -257,8 +257,8 @@ async def patch200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returning 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -312,8 +312,8 @@ async def post200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post bollean value true in request that returns a 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -367,8 +367,8 @@ async def delete200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete simple boolean value true returns 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -422,8 +422,8 @@ async def put201(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 201.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -477,8 +477,8 @@ async def post201(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 201 (Created).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -532,8 +532,8 @@ async def put202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 202 (Accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -587,8 +587,8 @@ async def patch202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returns 202.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -642,8 +642,8 @@ async def post202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 202 (Accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -697,8 +697,8 @@ async def delete202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete true Boolean value in request returns 202 (accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -792,8 +792,8 @@ async def put204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -847,8 +847,8 @@ async def patch204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -902,8 +902,8 @@ async def post204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -957,8 +957,8 @@ async def delete204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_client_failure_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_client_failure_operations.py
index 89376140bf2..179f62d9b9c 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_client_failure_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_client_failure_operations.py
@@ -805,8 +805,8 @@ def put400(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -863,8 +863,8 @@ def patch400(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -921,8 +921,8 @@ def post400(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -979,8 +979,8 @@ def delete400(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1209,8 +1209,8 @@ def put404(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 404 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1267,8 +1267,8 @@ def patch405(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 405 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1325,8 +1325,8 @@ def post406(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 406 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1383,8 +1383,8 @@ def delete407(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 407 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1441,8 +1441,8 @@ def put409(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 409 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1671,8 +1671,8 @@ def put413(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 413 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1729,8 +1729,8 @@ def patch414(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 414 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1787,8 +1787,8 @@ def post415(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 415 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1888,8 +1888,8 @@ def delete417(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 417 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_redirects_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_redirects_operations.py
index de4cb4bca69..1136a5e2617 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_redirects_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_redirects_operations.py
@@ -632,8 +632,8 @@ def put301(  # pylint: disable=inconsistent-return-statements
         """Put true Boolean value in request returns 301.  This request should not be automatically
         redirected, but should return the received 301 to the caller for evaluation.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -788,8 +788,8 @@ def patch302(  # pylint: disable=inconsistent-return-statements
         """Patch true Boolean value in request returns 302.  This request should not be automatically
         redirected, but should return the received 302 to the caller for evaluation.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -850,8 +850,8 @@ def post303(  # pylint: disable=inconsistent-return-statements
         """Post true Boolean value in request returns 303.  This request should be automatically
         redirected usign a get, ultimately returning a 200 status code.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1053,8 +1053,8 @@ def put307(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Put redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1115,8 +1115,8 @@ def patch307(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Patch redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1177,8 +1177,8 @@ def post307(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Post redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1239,8 +1239,8 @@ def delete307(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Delete redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_retry_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_retry_operations.py
index 0593b453c7c..1b0111ab221 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_retry_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_retry_operations.py
@@ -324,8 +324,8 @@ def put500(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 500 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -382,8 +382,8 @@ def patch500(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 500 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -530,8 +530,8 @@ def post503(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 503 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -588,8 +588,8 @@ def delete503(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 503 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -646,8 +646,8 @@ def put504(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 504 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -704,8 +704,8 @@ def patch504(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 504 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_server_failure_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_server_failure_operations.py
index 6697496e0ab..c85ad49ad78 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_server_failure_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_server_failure_operations.py
@@ -245,8 +245,8 @@ def post505(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 505 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -303,8 +303,8 @@ def delete505(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Return 505 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_success_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_success_operations.py
index 7b95bd12f69..87b0aa24314 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_success_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Http/httpinfrastructure/operations/_http_success_operations.py
@@ -662,8 +662,8 @@ def put200(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Put boolean value true returning 200 success.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -720,8 +720,8 @@ def patch200(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Patch true Boolean value in request returning 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -778,8 +778,8 @@ def post200(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Post bollean value true in request that returns a 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -836,8 +836,8 @@ def delete200(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Delete simple boolean value true returns 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -894,8 +894,8 @@ def put201(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Put true Boolean value in request returns 201.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -952,8 +952,8 @@ def post201(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Post true Boolean value in request returns 201 (Created).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1010,8 +1010,8 @@ def put202(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Put true Boolean value in request returns 202 (Accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1068,8 +1068,8 @@ def patch202(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Patch true Boolean value in request returns 202.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1126,8 +1126,8 @@ def post202(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Post true Boolean value in request returns 202 (Accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1184,8 +1184,8 @@ def delete202(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Delete true Boolean value in request returns 202 (accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1285,8 +1285,8 @@ def put204(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Put true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1343,8 +1343,8 @@ def patch204(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Patch true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1401,8 +1401,8 @@ def post204(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Post true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
@@ -1459,8 +1459,8 @@ def delete204(  # pylint: disable=inconsistent-return-statements
         # type: (...) -> None
         """Delete true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is True.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is True.
         :type boolean_value: bool
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: None, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/_media_types_client_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/_media_types_client_operations.py
index 3e9ee45a90e..cf662270f43 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/_media_types_client_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/aio/operations/_media_types_client_operations.py
@@ -49,7 +49,7 @@ async def analyze_body(
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~mediatypes.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~mediatypes.models.ContentType
@@ -122,7 +122,7 @@ async def analyze_body_no_accept_header(  # pylint: disable=inconsistent-return-
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~mediatypes.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~mediatypes.models.ContentType
@@ -239,7 +239,7 @@ async def binary_body_with_two_content_types(
 
         :param message: The payload body.
         :type message: IO
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "application/octet-stream". Default value is None.
         :paramtype content_type: str or ~mediatypes.models.ContentType1
         :keyword callable cls: A custom type or function that will be passed the direct response
@@ -299,7 +299,7 @@ async def binary_body_with_three_content_types(
 
         :param message: The payload body.
         :type message: IO or str
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json", "application/octet-stream", and "text/plain". Default value is
          "application/json".
         :paramtype content_type: str or ~mediatypes.models.ContentType1
@@ -354,8 +354,8 @@ async def put_text_and_json_body(
 
         :param message: The payload body.
         :type message: str or str
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
-         "text/plain" or "application/json". Default value is "application/json".
+        :keyword content_type: Media type of the body sent to the API. Known values are: "text/plain"
+         or "application/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: str, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/_media_types_client_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/_media_types_client_operations.py
index 7c516002fd7..8b6c120ee78 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/_media_types_client_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/MediaTypes/mediatypes/operations/_media_types_client_operations.py
@@ -196,7 +196,7 @@ def analyze_body(
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~mediatypes.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~mediatypes.models.ContentType
@@ -271,7 +271,7 @@ def analyze_body_no_accept_header(  # pylint: disable=inconsistent-return-statem
 
         :param input: Input parameter. Default value is None.
         :type input: IO or ~mediatypes.models.SourcePath
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str or ~mediatypes.models.ContentType
@@ -399,7 +399,7 @@ def binary_body_with_two_content_types(
 
         :param message: The payload body.
         :type message: IO
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "application/octet-stream". Default value is None.
         :paramtype content_type: str or ~mediatypes.models.ContentType1
         :keyword callable cls: A custom type or function that will be passed the direct response
@@ -461,7 +461,7 @@ def binary_body_with_three_content_types(
 
         :param message: The payload body.
         :type message: IO or str
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json", "application/octet-stream", and "text/plain". Default value is
          "application/json".
         :paramtype content_type: str or ~mediatypes.models.ContentType1
@@ -522,8 +522,8 @@ def put_text_and_json_body(
 
         :param message: The payload body.
         :type message: str or str
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
-         "text/plain" or "application/json". Default value is "application/json".
+        :keyword content_type: Media type of the body sent to the API. Known values are: "text/plain"
+         or "application/json". Default value is "application/json".
         :paramtype content_type: str
         :keyword callable cls: A custom type or function that will be passed the direct response
         :return: str, or the result of cls(response)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/_auto_rest_resource_flattening_test_service_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/_auto_rest_resource_flattening_test_service_operations.py
index 92d95eeebfe..ac6bc3c15a3 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/_auto_rest_resource_flattening_test_service_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/aio/operations/_auto_rest_resource_flattening_test_service_operations.py
@@ -516,8 +516,8 @@ async def post_flattened_simple_product(
         :type description: str
         :param max_product_display_name: Display name of product. Default value is None.
         :type max_product_display_name: str
-        :param capacity: Capacity of product. For example, 4 people. Possible values are "Large" or
-         None. Default value is "Large".
+        :param capacity: Capacity of product. For example, 4 people. Known values are "Large" or None.
+         Default value is "Large".
         :type capacity: str
         :param generic_value: Generic URL value. Default value is None.
         :type generic_value: str
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/models/_models.py b/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/models/_models.py
index c8fe5c979ae..49f91efd93d 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/models/_models.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/models/_models.py
@@ -143,7 +143,7 @@ class FlattenedProduct(Resource):
     :vartype p_name: str
     :ivar type_properties_type:
     :vartype type_properties_type: str
-    :ivar provisioning_state_values: Possible values include: "Succeeded", "Failed", "canceled",
+    :ivar provisioning_state_values: Known values are: "Succeeded", "Failed", "canceled",
      "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype provisioning_state_values: str or
      ~modelflattening.models.FlattenedProductPropertiesProvisioningStateValues
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/models/_models_py3.py b/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/models/_models_py3.py
index 38f5460863f..4250cb2dc03 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/models/_models_py3.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/models/_models_py3.py
@@ -156,7 +156,7 @@ class FlattenedProduct(Resource):
     :vartype p_name: str
     :ivar type_properties_type:
     :vartype type_properties_type: str
-    :ivar provisioning_state_values: Possible values include: "Succeeded", "Failed", "canceled",
+    :ivar provisioning_state_values: Known values are: "Succeeded", "Failed", "canceled",
      "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
     :vartype provisioning_state_values: str or
      ~modelflattening.models.FlattenedProductPropertiesProvisioningStateValues
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/_auto_rest_resource_flattening_test_service_operations.py b/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/_auto_rest_resource_flattening_test_service_operations.py
index 3fa83c30f94..3063b52cd25 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/_auto_rest_resource_flattening_test_service_operations.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/ModelFlattening/modelflattening/operations/_auto_rest_resource_flattening_test_service_operations.py
@@ -809,8 +809,8 @@ def post_flattened_simple_product(
         :type description: str
         :param max_product_display_name: Display name of product. Default value is None.
         :type max_product_display_name: str
-        :param capacity: Capacity of product. For example, 4 people. Possible values are "Large" or
-         None. Default value is "Large".
+        :param capacity: Capacity of product. For example, 4 people. Known values are "Large" or None.
+         Default value is "Large".
         :type capacity: str
         :param generic_value: Generic URL value. Default value is None.
         :type generic_value: str
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/models/_models.py b/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/models/_models.py
index 5543a97d061..49459296905 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/models/_models.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/models/_models.py
@@ -214,18 +214,17 @@ class BlobProperties(msrest.serialization.Model):
     :vartype cache_control: str
     :ivar blob_sequence_number:
     :vartype blob_sequence_number: int
-    :ivar blob_type: Possible values include: "BlockBlob", "PageBlob", "AppendBlob".
+    :ivar blob_type: Known values are: "BlockBlob", "PageBlob", "AppendBlob".
     :vartype blob_type: str or ~xmlservice.models.BlobType
-    :ivar lease_status: Possible values include: "locked", "unlocked".
+    :ivar lease_status: Known values are: "locked", "unlocked".
     :vartype lease_status: str or ~xmlservice.models.LeaseStatusType
-    :ivar lease_state: Possible values include: "available", "leased", "expired", "breaking",
-     "broken".
+    :ivar lease_state: Known values are: "available", "leased", "expired", "breaking", "broken".
     :vartype lease_state: str or ~xmlservice.models.LeaseStateType
-    :ivar lease_duration: Possible values include: "infinite", "fixed".
+    :ivar lease_duration: Known values are: "infinite", "fixed".
     :vartype lease_duration: str or ~xmlservice.models.LeaseDurationType
     :ivar copy_id:
     :vartype copy_id: str
-    :ivar copy_status: Possible values include: "pending", "success", "aborted", "failed".
+    :ivar copy_status: Known values are: "pending", "success", "aborted", "failed".
     :vartype copy_status: str or ~xmlservice.models.CopyStatusType
     :ivar copy_source:
     :vartype copy_source: str
@@ -245,12 +244,12 @@ class BlobProperties(msrest.serialization.Model):
     :vartype deleted_time: ~datetime.datetime
     :ivar remaining_retention_days:
     :vartype remaining_retention_days: int
-    :ivar access_tier: Possible values include: "P4", "P6", "P10", "P20", "P30", "P40", "P50",
-     "Hot", "Cool", "Archive".
+    :ivar access_tier: Known values are: "P4", "P6", "P10", "P20", "P30", "P40", "P50", "Hot",
+     "Cool", "Archive".
     :vartype access_tier: str or ~xmlservice.models.AccessTier
     :ivar access_tier_inferred:
     :vartype access_tier_inferred: bool
-    :ivar archive_status: Possible values include: "rehydrate-pending-to-hot",
+    :ivar archive_status: Known values are: "rehydrate-pending-to-hot",
      "rehydrate-pending-to-cool".
     :vartype archive_status: str or ~xmlservice.models.ArchiveStatus
     """
@@ -313,18 +312,17 @@ def __init__(self, **kwargs):
         :paramtype cache_control: str
         :keyword blob_sequence_number:
         :paramtype blob_sequence_number: int
-        :keyword blob_type: Possible values include: "BlockBlob", "PageBlob", "AppendBlob".
+        :keyword blob_type: Known values are: "BlockBlob", "PageBlob", "AppendBlob".
         :paramtype blob_type: str or ~xmlservice.models.BlobType
-        :keyword lease_status: Possible values include: "locked", "unlocked".
+        :keyword lease_status: Known values are: "locked", "unlocked".
         :paramtype lease_status: str or ~xmlservice.models.LeaseStatusType
-        :keyword lease_state: Possible values include: "available", "leased", "expired", "breaking",
-         "broken".
+        :keyword lease_state: Known values are: "available", "leased", "expired", "breaking", "broken".
         :paramtype lease_state: str or ~xmlservice.models.LeaseStateType
-        :keyword lease_duration: Possible values include: "infinite", "fixed".
+        :keyword lease_duration: Known values are: "infinite", "fixed".
         :paramtype lease_duration: str or ~xmlservice.models.LeaseDurationType
         :keyword copy_id:
         :paramtype copy_id: str
-        :keyword copy_status: Possible values include: "pending", "success", "aborted", "failed".
+        :keyword copy_status: Known values are: "pending", "success", "aborted", "failed".
         :paramtype copy_status: str or ~xmlservice.models.CopyStatusType
         :keyword copy_source:
         :paramtype copy_source: str
@@ -344,12 +342,12 @@ def __init__(self, **kwargs):
         :paramtype deleted_time: ~datetime.datetime
         :keyword remaining_retention_days:
         :paramtype remaining_retention_days: int
-        :keyword access_tier: Possible values include: "P4", "P6", "P10", "P20", "P30", "P40", "P50",
-         "Hot", "Cool", "Archive".
+        :keyword access_tier: Known values are: "P4", "P6", "P10", "P20", "P30", "P40", "P50", "Hot",
+         "Cool", "Archive".
         :paramtype access_tier: str or ~xmlservice.models.AccessTier
         :keyword access_tier_inferred:
         :paramtype access_tier_inferred: bool
-        :keyword archive_status: Possible values include: "rehydrate-pending-to-hot",
+        :keyword archive_status: Known values are: "rehydrate-pending-to-hot",
          "rehydrate-pending-to-cool".
         :paramtype archive_status: str or ~xmlservice.models.ArchiveStatus
         """
@@ -499,14 +497,13 @@ class ContainerProperties(msrest.serialization.Model):
     :vartype last_modified: ~datetime.datetime
     :ivar etag: Required.
     :vartype etag: str
-    :ivar lease_status: Possible values include: "locked", "unlocked".
+    :ivar lease_status: Known values are: "locked", "unlocked".
     :vartype lease_status: str or ~xmlservice.models.LeaseStatusType
-    :ivar lease_state: Possible values include: "available", "leased", "expired", "breaking",
-     "broken".
+    :ivar lease_state: Known values are: "available", "leased", "expired", "breaking", "broken".
     :vartype lease_state: str or ~xmlservice.models.LeaseStateType
-    :ivar lease_duration: Possible values include: "infinite", "fixed".
+    :ivar lease_duration: Known values are: "infinite", "fixed".
     :vartype lease_duration: str or ~xmlservice.models.LeaseDurationType
-    :ivar public_access: Possible values include: "container", "blob".
+    :ivar public_access: Known values are: "container", "blob".
     :vartype public_access: str or ~xmlservice.models.PublicAccessType
     """
 
@@ -530,14 +527,13 @@ def __init__(self, **kwargs):
         :paramtype last_modified: ~datetime.datetime
         :keyword etag: Required.
         :paramtype etag: str
-        :keyword lease_status: Possible values include: "locked", "unlocked".
+        :keyword lease_status: Known values are: "locked", "unlocked".
         :paramtype lease_status: str or ~xmlservice.models.LeaseStatusType
-        :keyword lease_state: Possible values include: "available", "leased", "expired", "breaking",
-         "broken".
+        :keyword lease_state: Known values are: "available", "leased", "expired", "breaking", "broken".
         :paramtype lease_state: str or ~xmlservice.models.LeaseStateType
-        :keyword lease_duration: Possible values include: "infinite", "fixed".
+        :keyword lease_duration: Known values are: "infinite", "fixed".
         :paramtype lease_duration: str or ~xmlservice.models.LeaseDurationType
-        :keyword public_access: Possible values include: "container", "blob".
+        :keyword public_access: Known values are: "container", "blob".
         :paramtype public_access: str or ~xmlservice.models.PublicAccessType
         """
         super(ContainerProperties, self).__init__(**kwargs)
diff --git a/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/models/_models_py3.py b/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/models/_models_py3.py
index 28cb43fa220..72441bd30ba 100644
--- a/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/models/_models_py3.py
+++ b/test/vanilla/legacy/Expected/AcceptanceTests/Xml/xmlservice/models/_models_py3.py
@@ -237,18 +237,17 @@ class BlobProperties(msrest.serialization.Model):
     :vartype cache_control: str
     :ivar blob_sequence_number:
     :vartype blob_sequence_number: int
-    :ivar blob_type: Possible values include: "BlockBlob", "PageBlob", "AppendBlob".
+    :ivar blob_type: Known values are: "BlockBlob", "PageBlob", "AppendBlob".
     :vartype blob_type: str or ~xmlservice.models.BlobType
-    :ivar lease_status: Possible values include: "locked", "unlocked".
+    :ivar lease_status: Known values are: "locked", "unlocked".
     :vartype lease_status: str or ~xmlservice.models.LeaseStatusType
-    :ivar lease_state: Possible values include: "available", "leased", "expired", "breaking",
-     "broken".
+    :ivar lease_state: Known values are: "available", "leased", "expired", "breaking", "broken".
     :vartype lease_state: str or ~xmlservice.models.LeaseStateType
-    :ivar lease_duration: Possible values include: "infinite", "fixed".
+    :ivar lease_duration: Known values are: "infinite", "fixed".
     :vartype lease_duration: str or ~xmlservice.models.LeaseDurationType
     :ivar copy_id:
     :vartype copy_id: str
-    :ivar copy_status: Possible values include: "pending", "success", "aborted", "failed".
+    :ivar copy_status: Known values are: "pending", "success", "aborted", "failed".
     :vartype copy_status: str or ~xmlservice.models.CopyStatusType
     :ivar copy_source:
     :vartype copy_source: str
@@ -268,12 +267,12 @@ class BlobProperties(msrest.serialization.Model):
     :vartype deleted_time: ~datetime.datetime
     :ivar remaining_retention_days:
     :vartype remaining_retention_days: int
-    :ivar access_tier: Possible values include: "P4", "P6", "P10", "P20", "P30", "P40", "P50",
-     "Hot", "Cool", "Archive".
+    :ivar access_tier: Known values are: "P4", "P6", "P10", "P20", "P30", "P40", "P50", "Hot",
+     "Cool", "Archive".
     :vartype access_tier: str or ~xmlservice.models.AccessTier
     :ivar access_tier_inferred:
     :vartype access_tier_inferred: bool
-    :ivar archive_status: Possible values include: "rehydrate-pending-to-hot",
+    :ivar archive_status: Known values are: "rehydrate-pending-to-hot",
      "rehydrate-pending-to-cool".
     :vartype archive_status: str or ~xmlservice.models.ArchiveStatus
     """
@@ -368,18 +367,17 @@ def __init__(
         :paramtype cache_control: str
         :keyword blob_sequence_number:
         :paramtype blob_sequence_number: int
-        :keyword blob_type: Possible values include: "BlockBlob", "PageBlob", "AppendBlob".
+        :keyword blob_type: Known values are: "BlockBlob", "PageBlob", "AppendBlob".
         :paramtype blob_type: str or ~xmlservice.models.BlobType
-        :keyword lease_status: Possible values include: "locked", "unlocked".
+        :keyword lease_status: Known values are: "locked", "unlocked".
         :paramtype lease_status: str or ~xmlservice.models.LeaseStatusType
-        :keyword lease_state: Possible values include: "available", "leased", "expired", "breaking",
-         "broken".
+        :keyword lease_state: Known values are: "available", "leased", "expired", "breaking", "broken".
         :paramtype lease_state: str or ~xmlservice.models.LeaseStateType
-        :keyword lease_duration: Possible values include: "infinite", "fixed".
+        :keyword lease_duration: Known values are: "infinite", "fixed".
         :paramtype lease_duration: str or ~xmlservice.models.LeaseDurationType
         :keyword copy_id:
         :paramtype copy_id: str
-        :keyword copy_status: Possible values include: "pending", "success", "aborted", "failed".
+        :keyword copy_status: Known values are: "pending", "success", "aborted", "failed".
         :paramtype copy_status: str or ~xmlservice.models.CopyStatusType
         :keyword copy_source:
         :paramtype copy_source: str
@@ -399,12 +397,12 @@ def __init__(
         :paramtype deleted_time: ~datetime.datetime
         :keyword remaining_retention_days:
         :paramtype remaining_retention_days: int
-        :keyword access_tier: Possible values include: "P4", "P6", "P10", "P20", "P30", "P40", "P50",
-         "Hot", "Cool", "Archive".
+        :keyword access_tier: Known values are: "P4", "P6", "P10", "P20", "P30", "P40", "P50", "Hot",
+         "Cool", "Archive".
         :paramtype access_tier: str or ~xmlservice.models.AccessTier
         :keyword access_tier_inferred:
         :paramtype access_tier_inferred: bool
-        :keyword archive_status: Possible values include: "rehydrate-pending-to-hot",
+        :keyword archive_status: Known values are: "rehydrate-pending-to-hot",
          "rehydrate-pending-to-cool".
         :paramtype archive_status: str or ~xmlservice.models.ArchiveStatus
         """
@@ -567,14 +565,13 @@ class ContainerProperties(msrest.serialization.Model):
     :vartype last_modified: ~datetime.datetime
     :ivar etag: Required.
     :vartype etag: str
-    :ivar lease_status: Possible values include: "locked", "unlocked".
+    :ivar lease_status: Known values are: "locked", "unlocked".
     :vartype lease_status: str or ~xmlservice.models.LeaseStatusType
-    :ivar lease_state: Possible values include: "available", "leased", "expired", "breaking",
-     "broken".
+    :ivar lease_state: Known values are: "available", "leased", "expired", "breaking", "broken".
     :vartype lease_state: str or ~xmlservice.models.LeaseStateType
-    :ivar lease_duration: Possible values include: "infinite", "fixed".
+    :ivar lease_duration: Known values are: "infinite", "fixed".
     :vartype lease_duration: str or ~xmlservice.models.LeaseDurationType
-    :ivar public_access: Possible values include: "container", "blob".
+    :ivar public_access: Known values are: "container", "blob".
     :vartype public_access: str or ~xmlservice.models.PublicAccessType
     """
 
@@ -608,14 +605,13 @@ def __init__(
         :paramtype last_modified: ~datetime.datetime
         :keyword etag: Required.
         :paramtype etag: str
-        :keyword lease_status: Possible values include: "locked", "unlocked".
+        :keyword lease_status: Known values are: "locked", "unlocked".
         :paramtype lease_status: str or ~xmlservice.models.LeaseStatusType
-        :keyword lease_state: Possible values include: "available", "leased", "expired", "breaking",
-         "broken".
+        :keyword lease_state: Known values are: "available", "leased", "expired", "breaking", "broken".
         :paramtype lease_state: str or ~xmlservice.models.LeaseStateType
-        :keyword lease_duration: Possible values include: "infinite", "fixed".
+        :keyword lease_duration: Known values are: "infinite", "fixed".
         :paramtype lease_duration: str or ~xmlservice.models.LeaseDurationType
-        :keyword public_access: Possible values include: "container", "blob".
+        :keyword public_access: Known values are: "container", "blob".
         :paramtype public_access: str or ~xmlservice.models.PublicAccessType
         """
         super(ContainerProperties, self).__init__(**kwargs)
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/BodyComplexLowLevel/bodycomplexlowlevel/rest/basic/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/BodyComplexLowLevel/bodycomplexlowlevel/rest/basic/_request_builders.py
index ef2ed72dd9c..94dfcbd8c6a 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/BodyComplexLowLevel/bodycomplexlowlevel/rest/basic/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/BodyComplexLowLevel/bodycomplexlowlevel/rest/basic/_request_builders.py
@@ -42,8 +42,8 @@ def build_get_valid_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -95,8 +95,8 @@ def build_put_valid_request(
 
             # JSON input template you can fill out and use as your body input.
             json = {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -149,8 +149,8 @@ def build_get_invalid_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -194,8 +194,8 @@ def build_get_empty_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -239,8 +239,8 @@ def build_get_null_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -284,8 +284,8 @@ def build_get_not_provided_request(
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/BodyComplexLowLevel/bodycomplexlowlevel/rest/basic/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/BodyComplexLowLevel/bodycomplexlowlevel/rest/basic/_request_builders_py3.py
index 74a66b1c23e..94b5c7ab76a 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/BodyComplexLowLevel/bodycomplexlowlevel/rest/basic/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/BodyComplexLowLevel/bodycomplexlowlevel/rest/basic/_request_builders_py3.py
@@ -34,8 +34,8 @@ def build_get_valid_request(**kwargs: Any) -> HttpRequest:
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -79,8 +79,8 @@ def build_put_valid_request(*, json: JSONType = None, content: Any = None, **kwa
 
             # JSON input template you can fill out and use as your body input.
             json = {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -124,8 +124,8 @@ def build_get_invalid_request(**kwargs: Any) -> HttpRequest:
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -161,8 +161,8 @@ def build_get_empty_request(**kwargs: Any) -> HttpRequest:
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -198,8 +198,8 @@ def build_get_null_request(**kwargs: Any) -> HttpRequest:
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
@@ -235,8 +235,8 @@ def build_get_not_provided_request(**kwargs: Any) -> HttpRequest:
 
             # response body for status code(s): 200
             response.json() == {
-                "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                  "YELLOW", "blacK".
+                "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                  "blacK".
                 "id": 0,  # Optional. Basic Id.
                 "name": "str"  # Optional. Name property with a very long description that
                   does not fit on a single line and a line break.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/BodyFormUrlEncodedDataLowLevel/bodyformurlencodeddatalowlevel/rest/formdataurlencoded/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/BodyFormUrlEncodedDataLowLevel/bodyformurlencodeddatalowlevel/rest/formdataurlencoded/_request_builders.py
index 9eb60c99cfa..0d660c9fcf9 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/BodyFormUrlEncodedDataLowLevel/bodyformurlencodeddatalowlevel/rest/formdataurlencoded/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/BodyFormUrlEncodedDataLowLevel/bodyformurlencodeddatalowlevel/rest/formdataurlencoded/_request_builders.py
@@ -59,10 +59,10 @@ def build_update_pet_with_form_request(
             data = {
                 "name": "str",  # Optional. Updated name of the pet. Default value is None.
                 "pet_age": 0,  # How many years is it old?.
-                "pet_food": "str",  # Can take a value of meat, or fish, or plant. Possible
+                "pet_food": "str",  # Can take a value of meat, or fish, or plant. Known
                   values are: "meat", "fish", and "plant".
-                "pet_type": "str",  # Can take a value of dog, or cat, or fish. Possible
-                  values are: "dog", "cat", and "fish".
+                "pet_type": "str",  # Can take a value of dog, or cat, or fish. Known values
+                  are: "dog", "cat", and "fish".
                 "status": "str"  # Optional. Updated status of the pet. Default value is
                   None.
             }
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/BodyFormUrlEncodedDataLowLevel/bodyformurlencodeddatalowlevel/rest/formdataurlencoded/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/BodyFormUrlEncodedDataLowLevel/bodyformurlencodeddatalowlevel/rest/formdataurlencoded/_request_builders_py3.py
index cefddb421eb..74e96766763 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/BodyFormUrlEncodedDataLowLevel/bodyformurlencodeddatalowlevel/rest/formdataurlencoded/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/BodyFormUrlEncodedDataLowLevel/bodyformurlencodeddatalowlevel/rest/formdataurlencoded/_request_builders_py3.py
@@ -52,10 +52,10 @@ def build_update_pet_with_form_request(
             data = {
                 "name": "str",  # Optional. Updated name of the pet. Default value is None.
                 "pet_age": 0,  # How many years is it old?.
-                "pet_food": "str",  # Can take a value of meat, or fish, or plant. Possible
+                "pet_food": "str",  # Can take a value of meat, or fish, or plant. Known
                   values are: "meat", "fish", and "plant".
-                "pet_type": "str",  # Can take a value of dog, or cat, or fish. Possible
-                  values are: "dog", "cat", and "fish".
+                "pet_type": "str",  # Can take a value of dog, or cat, or fish. Known values
+                  are: "dog", "cat", and "fish".
                 "status": "str"  # Optional. Updated status of the pet. Default value is
                   None.
             }
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/BodyStringLowLevel/bodystringlowlevel/rest/enum/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/BodyStringLowLevel/bodystringlowlevel/rest/enum/_request_builders.py
index 173e2572bcd..f97606723c8 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/BodyStringLowLevel/bodystringlowlevel/rest/enum/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/BodyStringLowLevel/bodystringlowlevel/rest/enum/_request_builders.py
@@ -73,8 +73,8 @@ def build_put_not_expandable_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. string body. Possible values are: "red color",
-     "green-color", and "blue_color". Default value is None.
+     our example to find the input shape. string body. Known values are: "red color", "green-color",
+     and "blue_color". Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). string body. Default value is None.
@@ -161,7 +161,7 @@ def build_put_referenced_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. enum string body. Possible values are: "red color",
+     our example to find the input shape. enum string body. Known values are: "red color",
      "green-color", and "blue_color". Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/BodyStringLowLevel/bodystringlowlevel/rest/enum/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/BodyStringLowLevel/bodystringlowlevel/rest/enum/_request_builders_py3.py
index 92ea242826e..e340c625e70 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/BodyStringLowLevel/bodystringlowlevel/rest/enum/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/BodyStringLowLevel/bodystringlowlevel/rest/enum/_request_builders_py3.py
@@ -57,8 +57,8 @@ def build_put_not_expandable_request(*, json: JSONType = None, content: Any = No
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. string body. Possible values are: "red color",
-     "green-color", and "blue_color". Default value is None.
+     our example to find the input shape. string body. Known values are: "red color", "green-color",
+     and "blue_color". Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). string body. Default value is None.
@@ -129,7 +129,7 @@ def build_put_referenced_request(*, json: JSONType = None, content: Any = None,
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. enum string body. Possible values are: "red color",
+     our example to find the input shape. enum string body. Known values are: "red color",
      "green-color", and "blue_color". Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/ConstantsLowLevel/constantslowlevel/rest/contants/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/ConstantsLowLevel/constantslowlevel/rest/contants/_request_builders.py
index eb6d9fd9d07..1704e3567d6 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/ConstantsLowLevel/constantslowlevel/rest/contants/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/ConstantsLowLevel/constantslowlevel/rest/contants/_request_builders.py
@@ -34,7 +34,7 @@ def build_put_no_model_as_string_no_required_two_value_no_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is None.
+    :keyword input: Known values are: "value1" or "value2". Default value is None.
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -71,7 +71,7 @@ def build_put_no_model_as_string_no_required_two_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+    :keyword input: Known values are: "value1" or "value2". Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -108,7 +108,7 @@ def build_put_no_model_as_string_no_required_one_value_no_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are "value1" or None. Default value is None.
+    :keyword input: Known values are "value1" or None. Default value is None.
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -145,7 +145,7 @@ def build_put_no_model_as_string_no_required_one_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are "value1" or None. Default value is "value1".
+    :keyword input: Known values are "value1" or None. Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -182,7 +182,7 @@ def build_put_no_model_as_string_required_two_value_no_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2".
+    :keyword input: Known values are: "value1" or "value2".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -218,7 +218,7 @@ def build_put_no_model_as_string_required_two_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+    :keyword input: Known values are: "value1" or "value2". Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -328,7 +328,7 @@ def build_put_model_as_string_no_required_two_value_no_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is None.
+    :keyword input: Known values are: "value1" or "value2". Default value is None.
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -365,7 +365,7 @@ def build_put_model_as_string_no_required_two_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+    :keyword input: Known values are: "value1" or "value2". Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -476,7 +476,7 @@ def build_put_model_as_string_required_two_value_no_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2".
+    :keyword input: Known values are: "value1" or "value2".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -512,7 +512,7 @@ def build_put_model_as_string_required_two_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+    :keyword input: Known values are: "value1" or "value2". Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/ConstantsLowLevel/constantslowlevel/rest/contants/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/ConstantsLowLevel/constantslowlevel/rest/contants/_request_builders_py3.py
index da14e6186c5..dff5b090044 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/ConstantsLowLevel/constantslowlevel/rest/contants/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/ConstantsLowLevel/constantslowlevel/rest/contants/_request_builders_py3.py
@@ -28,7 +28,7 @@ def build_put_no_model_as_string_no_required_two_value_no_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is None.
+    :keyword input: Known values are: "value1" or "value2". Default value is None.
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -58,7 +58,7 @@ def build_put_no_model_as_string_no_required_two_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+    :keyword input: Known values are: "value1" or "value2". Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -88,7 +88,7 @@ def build_put_no_model_as_string_no_required_one_value_no_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are "value1" or None. Default value is None.
+    :keyword input: Known values are "value1" or None. Default value is None.
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -118,7 +118,7 @@ def build_put_no_model_as_string_no_required_one_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are "value1" or None. Default value is "value1".
+    :keyword input: Known values are "value1" or None. Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -146,7 +146,7 @@ def build_put_no_model_as_string_required_two_value_no_default_request(*, input:
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2".
+    :keyword input: Known values are: "value1" or "value2".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -175,7 +175,7 @@ def build_put_no_model_as_string_required_two_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+    :keyword input: Known values are: "value1" or "value2". Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -262,7 +262,7 @@ def build_put_model_as_string_no_required_two_value_no_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is None.
+    :keyword input: Known values are: "value1" or "value2". Default value is None.
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -292,7 +292,7 @@ def build_put_model_as_string_no_required_two_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+    :keyword input: Known values are: "value1" or "value2". Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -380,7 +380,7 @@ def build_put_model_as_string_required_two_value_no_default_request(*, input: st
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2".
+    :keyword input: Known values are: "value1" or "value2".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -409,7 +409,7 @@ def build_put_model_as_string_required_two_value_default_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+    :keyword input: Known values are: "value1" or "value2". Default value is "value1".
     :paramtype input: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/ExtensibleEnumsLowLevel/extensibleenumsswaggerlowlevel/rest/pet/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/ExtensibleEnumsLowLevel/extensibleenumsswaggerlowlevel/rest/pet/_request_builders.py
index 0510787f447..b4739604060 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/ExtensibleEnumsLowLevel/extensibleenumsswaggerlowlevel/rest/pet/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/ExtensibleEnumsLowLevel/extensibleenumsswaggerlowlevel/rest/pet/_request_builders.py
@@ -49,9 +49,9 @@ def build_get_by_pet_id_request(
             # response body for status code(s): 200
             response.json() == {
                 "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                  Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                  Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                   "Saturday", "Sunday". Default value: "Friday".
-                "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                 "name": "str"  # Optional. name.
             }
     """
@@ -105,18 +105,18 @@ def build_add_pet_request(
             # JSON input template you can fill out and use as your body input.
             json = {
                 "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                  Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                  Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                   "Saturday", "Sunday". Default value: "Friday".
-                "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                 "name": "str"  # Optional. name.
             }
 
             # response body for status code(s): 200
             response.json() == {
                 "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                  Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                  Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                   "Saturday", "Sunday". Default value: "Friday".
-                "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                 "name": "str"  # Optional. name.
             }
     """
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/ExtensibleEnumsLowLevel/extensibleenumsswaggerlowlevel/rest/pet/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/ExtensibleEnumsLowLevel/extensibleenumsswaggerlowlevel/rest/pet/_request_builders_py3.py
index 8ac6cfea7d7..13a7b9ebf14 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/ExtensibleEnumsLowLevel/extensibleenumsswaggerlowlevel/rest/pet/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/ExtensibleEnumsLowLevel/extensibleenumsswaggerlowlevel/rest/pet/_request_builders_py3.py
@@ -40,9 +40,9 @@ def build_get_by_pet_id_request(pet_id: str, **kwargs: Any) -> HttpRequest:
             # response body for status code(s): 200
             response.json() == {
                 "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                  Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                  Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                   "Saturday", "Sunday". Default value: "Friday".
-                "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                 "name": "str"  # Optional. name.
             }
     """
@@ -88,18 +88,18 @@ def build_add_pet_request(*, json: JSONType = None, content: Any = None, **kwarg
             # JSON input template you can fill out and use as your body input.
             json = {
                 "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                  Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                  Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                   "Saturday", "Sunday". Default value: "Friday".
-                "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                 "name": "str"  # Optional. name.
             }
 
             # response body for status code(s): 200
             response.json() == {
                 "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                  Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                  Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                   "Saturday", "Sunday". Default value: "Friday".
-                "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                 "name": "str"  # Optional. name.
             }
     """
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HeaderLowLevel/headerlowlevel/rest/header/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/HeaderLowLevel/headerlowlevel/rest/header/_request_builders.py
index c6907d44583..97f319e7d4f 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HeaderLowLevel/headerlowlevel/rest/header/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HeaderLowLevel/headerlowlevel/rest/header/_request_builders.py
@@ -1048,7 +1048,7 @@ def build_param_enum_request(
     :keyword scenario: Send a post request with header values "scenario": "valid" or "null" or
      "empty".
     :paramtype scenario: str
-    :keyword value: Send a post request with header values 'GREY'. Possible values are: "White",
+    :keyword value: Send a post request with header values 'GREY'. Known values are: "White",
      "black", and "GREY". Default value is None.
     :paramtype value: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HeaderLowLevel/headerlowlevel/rest/header/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/HeaderLowLevel/headerlowlevel/rest/header/_request_builders_py3.py
index 1cbd4b86c51..a3a30153708 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HeaderLowLevel/headerlowlevel/rest/header/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HeaderLowLevel/headerlowlevel/rest/header/_request_builders_py3.py
@@ -800,7 +800,7 @@ def build_param_enum_request(*, scenario: str, value: Optional[str] = None, **kw
     :keyword scenario: Send a post request with header values "scenario": "valid" or "null" or
      "empty".
     :paramtype scenario: str
-    :keyword value: Send a post request with header values 'GREY'. Possible values are: "White",
+    :keyword value: Send a post request with header values 'GREY'. Known values are: "White",
      "black", and "GREY". Default value is None.
     :paramtype value: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_client_failure/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_client_failure/_request_builders.py
index 2c9c8276ddb..15f9ac8ad15 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_client_failure/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_client_failure/_request_builders.py
@@ -133,8 +133,8 @@ def build_put400_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -182,8 +182,8 @@ def build_patch400_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -231,8 +231,8 @@ def build_post400_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -280,8 +280,8 @@ def build_delete400_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -461,8 +461,8 @@ def build_put404_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -510,8 +510,8 @@ def build_patch405_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -559,8 +559,8 @@ def build_post406_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -608,8 +608,8 @@ def build_delete407_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -657,8 +657,8 @@ def build_put409_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -838,8 +838,8 @@ def build_put413_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -887,8 +887,8 @@ def build_patch414_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -936,8 +936,8 @@ def build_post415_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -1018,8 +1018,8 @@ def build_delete417_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_client_failure/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_client_failure/_request_builders_py3.py
index 7b932046e40..6856a786bf9 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_client_failure/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_client_failure/_request_builders_py3.py
@@ -101,8 +101,8 @@ def build_put400_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -142,8 +142,8 @@ def build_patch400_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -183,8 +183,8 @@ def build_post400_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -224,8 +224,8 @@ def build_delete400_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -365,8 +365,8 @@ def build_put404_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -406,8 +406,8 @@ def build_patch405_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -447,8 +447,8 @@ def build_post406_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -488,8 +488,8 @@ def build_delete407_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -529,8 +529,8 @@ def build_put409_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -670,8 +670,8 @@ def build_put413_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -711,8 +711,8 @@ def build_patch414_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -752,8 +752,8 @@ def build_post415_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -818,8 +818,8 @@ def build_delete417_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_redirects/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_redirects/_request_builders.py
index 03d6a734d76..06190c5a612 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_redirects/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_redirects/_request_builders.py
@@ -175,8 +175,8 @@ def build_put301_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -291,8 +291,8 @@ def build_patch302_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -341,8 +341,8 @@ def build_post303_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -489,8 +489,8 @@ def build_put307_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -538,8 +538,8 @@ def build_patch307_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -587,8 +587,8 @@ def build_post307_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -636,8 +636,8 @@ def build_delete307_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_redirects/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_redirects/_request_builders_py3.py
index fbff293d8bb..02c74b72e79 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_redirects/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_redirects/_request_builders_py3.py
@@ -135,8 +135,8 @@ def build_put301_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -227,8 +227,8 @@ def build_patch302_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -269,8 +269,8 @@ def build_post303_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -385,8 +385,8 @@ def build_put307_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -426,8 +426,8 @@ def build_patch307_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -467,8 +467,8 @@ def build_post307_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -508,8 +508,8 @@ def build_delete307_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_retry/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_retry/_request_builders.py
index 9b73c22870b..264497cd23b 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_retry/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_retry/_request_builders.py
@@ -67,8 +67,8 @@ def build_put500_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -116,8 +116,8 @@ def build_patch500_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -231,8 +231,8 @@ def build_post503_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -280,8 +280,8 @@ def build_delete503_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -329,8 +329,8 @@ def build_put504_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -378,8 +378,8 @@ def build_patch504_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_retry/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_retry/_request_builders_py3.py
index 6a2b2ea14d9..bf2bfdea7cf 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_retry/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_retry/_request_builders_py3.py
@@ -51,8 +51,8 @@ def build_put500_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -92,8 +92,8 @@ def build_patch500_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -183,8 +183,8 @@ def build_post503_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -224,8 +224,8 @@ def build_delete503_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -265,8 +265,8 @@ def build_put504_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -306,8 +306,8 @@ def build_patch504_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_server_failure/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_server_failure/_request_builders.py
index 054c2475d9f..5a9062f9e4a 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_server_failure/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_server_failure/_request_builders.py
@@ -100,8 +100,8 @@ def build_post505_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -149,8 +149,8 @@ def build_delete505_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_server_failure/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_server_failure/_request_builders_py3.py
index ec166db0334..290b3de5800 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_server_failure/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_server_failure/_request_builders_py3.py
@@ -76,8 +76,8 @@ def build_post505_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -117,8 +117,8 @@ def build_delete505_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_success/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_success/_request_builders.py
index 3401eff36ea..9cf0d74883f 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_success/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_success/_request_builders.py
@@ -133,8 +133,8 @@ def build_put200_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -182,8 +182,8 @@ def build_patch200_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -231,8 +231,8 @@ def build_post200_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -280,8 +280,8 @@ def build_delete200_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -329,8 +329,8 @@ def build_put201_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -378,8 +378,8 @@ def build_post201_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -427,8 +427,8 @@ def build_put202_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -476,8 +476,8 @@ def build_patch202_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -525,8 +525,8 @@ def build_post202_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -574,8 +574,8 @@ def build_delete202_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -656,8 +656,8 @@ def build_put204_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -705,8 +705,8 @@ def build_patch204_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -754,8 +754,8 @@ def build_post204_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -803,8 +803,8 @@ def build_delete204_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_success/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_success/_request_builders_py3.py
index fe8b38b6911..71e9865e35d 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_success/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/HttpLowLevel/httpinfrastructurelowlevel/rest/http_success/_request_builders_py3.py
@@ -101,8 +101,8 @@ def build_put200_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -142,8 +142,8 @@ def build_patch200_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -183,8 +183,8 @@ def build_post200_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -224,8 +224,8 @@ def build_delete200_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -265,8 +265,8 @@ def build_put201_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -306,8 +306,8 @@ def build_post201_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -347,8 +347,8 @@ def build_put202_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -388,8 +388,8 @@ def build_patch202_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -429,8 +429,8 @@ def build_post202_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -470,8 +470,8 @@ def build_delete202_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -536,8 +536,8 @@ def build_put204_request(*, json: JSONType = None, content: Any = None, **kwargs
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -577,8 +577,8 @@ def build_patch204_request(*, json: JSONType = None, content: Any = None, **kwar
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -618,8 +618,8 @@ def build_post204_request(*, json: JSONType = None, content: Any = None, **kwarg
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
@@ -659,8 +659,8 @@ def build_delete204_request(*, json: JSONType = None, content: Any = None, **kwa
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Simple boolean value true. Possible values are True or
-     None. Default value is None.
+     our example to find the input shape. Simple boolean value true. Known values are True or None.
+     Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Simple boolean value true. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/MediaTypesLowLevel/mediatypeslowlevel/rest/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/MediaTypesLowLevel/mediatypeslowlevel/rest/_request_builders.py
index a2f6cf66fb1..6f7469e4954 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/MediaTypesLowLevel/mediatypeslowlevel/rest/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/MediaTypesLowLevel/mediatypeslowlevel/rest/_request_builders.py
@@ -39,7 +39,7 @@ def build_analyze_body_request(
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Input parameter. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
      value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
@@ -91,7 +91,7 @@ def build_analyze_body_no_accept_header_request(
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Input parameter. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
      value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
@@ -179,7 +179,7 @@ def build_binary_body_with_two_content_types_request(
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). The payload body. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "application/octet-stream". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -231,7 +231,7 @@ def build_binary_body_with_three_content_types_request(
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). The payload body. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json", "application/octet-stream", and "text/plain". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -281,8 +281,8 @@ def build_put_text_and_json_body_request(
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). The payload body. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
-     "text/plain" or "application/json". Default value is None.
+    :keyword content_type: Media type of the body sent to the API. Known values are: "text/plain"
+     or "application/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
      incorporate this response into your code flow.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/MediaTypesLowLevel/mediatypeslowlevel/rest/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/MediaTypesLowLevel/mediatypeslowlevel/rest/_request_builders_py3.py
index 7818e097aad..0cff1483ed8 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/MediaTypesLowLevel/mediatypeslowlevel/rest/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/MediaTypesLowLevel/mediatypeslowlevel/rest/_request_builders_py3.py
@@ -31,7 +31,7 @@ def build_analyze_body_request(*, json: JSONType = None, content: Any = None, **
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Input parameter. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
      value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
@@ -77,7 +77,7 @@ def build_analyze_body_no_accept_header_request(
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Input parameter. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
      value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
@@ -151,7 +151,7 @@ def build_binary_body_with_two_content_types_request(
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). The payload body. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json" or "application/octet-stream". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -197,7 +197,7 @@ def build_binary_body_with_three_content_types_request(
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). The payload body. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
+    :keyword content_type: Media type of the body sent to the API. Known values are:
      "application/json", "application/octet-stream", and "text/plain". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -239,8 +239,8 @@ def build_put_text_and_json_body_request(*, json: JSONType = None, content: Any
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). The payload body. Default value is None.
     :paramtype content: any
-    :keyword content_type: Media type of the body sent to the API. Possible values are:
-     "text/plain" or "application/json". Default value is None.
+    :keyword content_type: Media type of the body sent to the API. Known values are: "text/plain"
+     or "application/json". Default value is None.
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
      incorporate this response into your code flow.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/ModelFlatteningLowLevel/modelflatteninglowlevel/rest/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/ModelFlatteningLowLevel/modelflatteninglowlevel/rest/_request_builders.py
index 9d3d4adadd3..246539e6025 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/ModelFlatteningLowLevel/modelflatteninglowlevel/rest/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/ModelFlatteningLowLevel/modelflatteninglowlevel/rest/_request_builders.py
@@ -112,10 +112,9 @@ def build_get_array_request(
                     "properties": {
                         "p.name": "str",  # Optional.
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional.
                     },
                     "tags": {
@@ -279,10 +278,9 @@ def build_put_dictionary_request(
                     "properties": {
                         "p.name": "str",  # Optional.
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional.
                     },
                     "tags": {
@@ -341,10 +339,9 @@ def build_get_dictionary_request(
                     "properties": {
                         "p.name": "str",  # Optional.
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional.
                     },
                     "tags": {
@@ -409,10 +406,10 @@ def build_put_resource_collection_request(
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional.
-                              Possible values include: "Succeeded", "Failed", "canceled",
-                              "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                              "Deleted", "OK".
+                            "provisioningStateValues": "str",  # Optional. Known
+                              values are: "Succeeded", "Failed", "canceled", "Accepted",
+                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                              "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -432,10 +429,10 @@ def build_put_resource_collection_request(
                               :code:`<FlattenedProduct>`.
                             "provisioningState": "str",  # Optional. Dictionary
                               of :code:`<FlattenedProduct>`.
-                            "provisioningStateValues": "str",  # Optional.
-                              Possible values include: "Succeeded", "Failed", "canceled",
-                              "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                              "Deleted", "OK".
+                            "provisioningStateValues": "str",  # Optional. Known
+                              values are: "Succeeded", "Failed", "canceled", "Accepted",
+                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                              "OK".
                             "type": "str"  # Optional. Dictionary of
                               :code:`<FlattenedProduct>`.
                         },
@@ -453,10 +450,9 @@ def build_put_resource_collection_request(
                     "properties": {
                         "p.name": "str",  # Optional. Flattened product.
                         "provisioningState": "str",  # Optional. Flattened product.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional. Flattened product.
                     },
                     "tags": {
@@ -516,10 +512,10 @@ def build_get_resource_collection_request(
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional.
-                              Possible values include: "Succeeded", "Failed", "canceled",
-                              "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                              "Deleted", "OK".
+                            "provisioningStateValues": "str",  # Optional. Known
+                              values are: "Succeeded", "Failed", "canceled", "Accepted",
+                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                              "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -539,10 +535,10 @@ def build_get_resource_collection_request(
                               :code:`<FlattenedProduct>`.
                             "provisioningState": "str",  # Optional. Dictionary
                               of :code:`<FlattenedProduct>`.
-                            "provisioningStateValues": "str",  # Optional.
-                              Possible values include: "Succeeded", "Failed", "canceled",
-                              "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                              "Deleted", "OK".
+                            "provisioningStateValues": "str",  # Optional. Known
+                              values are: "Succeeded", "Failed", "canceled", "Accepted",
+                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                              "OK".
                             "type": "str"  # Optional. Dictionary of
                               :code:`<FlattenedProduct>`.
                         },
@@ -560,10 +556,9 @@ def build_get_resource_collection_request(
                     "properties": {
                         "p.name": "str",  # Optional. Flattened product.
                         "provisioningState": "str",  # Optional. Flattened product.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional. Flattened product.
                     },
                     "tags": {
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/ModelFlatteningLowLevel/modelflatteninglowlevel/rest/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/ModelFlatteningLowLevel/modelflatteninglowlevel/rest/_request_builders_py3.py
index aa2227165d4..93899c7ef7b 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/ModelFlatteningLowLevel/modelflatteninglowlevel/rest/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/ModelFlatteningLowLevel/modelflatteninglowlevel/rest/_request_builders_py3.py
@@ -96,10 +96,9 @@ def build_get_array_request(**kwargs: Any) -> HttpRequest:
                     "properties": {
                         "p.name": "str",  # Optional.
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional.
                     },
                     "tags": {
@@ -239,10 +238,9 @@ def build_put_dictionary_request(*, json: JSONType = None, content: Any = None,
                     "properties": {
                         "p.name": "str",  # Optional.
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional.
                     },
                     "tags": {
@@ -293,10 +291,9 @@ def build_get_dictionary_request(**kwargs: Any) -> HttpRequest:
                     "properties": {
                         "p.name": "str",  # Optional.
                         "provisioningState": "str",  # Optional.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional.
                     },
                     "tags": {
@@ -353,10 +350,10 @@ def build_put_resource_collection_request(*, json: JSONType = None, content: Any
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional.
-                              Possible values include: "Succeeded", "Failed", "canceled",
-                              "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                              "Deleted", "OK".
+                            "provisioningStateValues": "str",  # Optional. Known
+                              values are: "Succeeded", "Failed", "canceled", "Accepted",
+                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                              "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -376,10 +373,10 @@ def build_put_resource_collection_request(*, json: JSONType = None, content: Any
                               :code:`<FlattenedProduct>`.
                             "provisioningState": "str",  # Optional. Dictionary
                               of :code:`<FlattenedProduct>`.
-                            "provisioningStateValues": "str",  # Optional.
-                              Possible values include: "Succeeded", "Failed", "canceled",
-                              "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                              "Deleted", "OK".
+                            "provisioningStateValues": "str",  # Optional. Known
+                              values are: "Succeeded", "Failed", "canceled", "Accepted",
+                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                              "OK".
                             "type": "str"  # Optional. Dictionary of
                               :code:`<FlattenedProduct>`.
                         },
@@ -397,10 +394,9 @@ def build_put_resource_collection_request(*, json: JSONType = None, content: Any
                     "properties": {
                         "p.name": "str",  # Optional. Flattened product.
                         "provisioningState": "str",  # Optional. Flattened product.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional. Flattened product.
                     },
                     "tags": {
@@ -452,10 +448,10 @@ def build_get_resource_collection_request(**kwargs: Any) -> HttpRequest:
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional.
-                              Possible values include: "Succeeded", "Failed", "canceled",
-                              "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                              "Deleted", "OK".
+                            "provisioningStateValues": "str",  # Optional. Known
+                              values are: "Succeeded", "Failed", "canceled", "Accepted",
+                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                              "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -475,10 +471,10 @@ def build_get_resource_collection_request(**kwargs: Any) -> HttpRequest:
                               :code:`<FlattenedProduct>`.
                             "provisioningState": "str",  # Optional. Dictionary
                               of :code:`<FlattenedProduct>`.
-                            "provisioningStateValues": "str",  # Optional.
-                              Possible values include: "Succeeded", "Failed", "canceled",
-                              "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                              "Deleted", "OK".
+                            "provisioningStateValues": "str",  # Optional. Known
+                              values are: "Succeeded", "Failed", "canceled", "Accepted",
+                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                              "OK".
                             "type": "str"  # Optional. Dictionary of
                               :code:`<FlattenedProduct>`.
                         },
@@ -496,10 +492,9 @@ def build_get_resource_collection_request(**kwargs: Any) -> HttpRequest:
                     "properties": {
                         "p.name": "str",  # Optional. Flattened product.
                         "provisioningState": "str",  # Optional. Flattened product.
-                        "provisioningStateValues": "str",  # Optional. Possible
-                          values include: "Succeeded", "Failed", "canceled", "Accepted",
-                          "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                          "OK".
+                        "provisioningStateValues": "str",  # Optional. Known values
+                          are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                          "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                         "type": "str"  # Optional. Flattened product.
                     },
                     "tags": {
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/float/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/float/_request_builders.py
index af7d7462490..ead06913f65 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/float/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/float/_request_builders.py
@@ -34,8 +34,8 @@ def build_put_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Input float enum. Possible values are: 200.4, 403.4,
-     405.3, 406.2, and 429.1. Default value is None.
+     our example to find the input shape. Input float enum. Known values are: 200.4, 403.4, 405.3,
+     406.2, and 429.1. Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Input float enum. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/float/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/float/_request_builders_py3.py
index 8c0305be1df..b5561d0431d 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/float/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/float/_request_builders_py3.py
@@ -26,8 +26,8 @@ def build_put_request(*, json: JSONType = None, content: Any = None, **kwargs: A
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Input float enum. Possible values are: 200.4, 403.4,
-     405.3, 406.2, and 429.1. Default value is None.
+     our example to find the input shape. Input float enum. Known values are: 200.4, 403.4, 405.3,
+     406.2, and 429.1. Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Input float enum. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/int/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/int/_request_builders.py
index e1f617cc0e2..6e705ed8b11 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/int/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/int/_request_builders.py
@@ -34,8 +34,8 @@ def build_put_request(
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Input int enum. Possible values are: 200, 403, 405, 406,
-     and 429. Default value is None.
+     our example to find the input shape. Input int enum. Known values are: 200, 403, 405, 406, and
+     429. Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Input int enum. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/int/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/int/_request_builders_py3.py
index 722934fc08e..ad38c5021be 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/int/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/NonStringEnumsLowLevel/nonstringenumslowlevel/rest/int/_request_builders_py3.py
@@ -26,8 +26,8 @@ def build_put_request(*, json: JSONType = None, content: Any = None, **kwargs: A
     into your code flow.
 
     :keyword json: Pass in a JSON-serializable object (usually a dictionary). See the template in
-     our example to find the input shape. Input int enum. Possible values are: 200, 403, 405, 406,
-     and 429. Default value is None.
+     our example to find the input shape. Input int enum. Known values are: 200, 403, 405, 406, and
+     429. Default value is None.
     :paramtype json: JSONType
     :keyword content: Pass in binary content you want in the body of the request (typically bytes,
      a byte iterator, or stream input). Input int enum. Default value is None.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/paths/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/paths/_request_builders.py
index 6448b5db98f..d602521dac4 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/paths/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/paths/_request_builders.py
@@ -666,8 +666,8 @@ def build_enum_valid_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :param enum_path: send the value green. Possible values are: "red color", "green color", and
-     "blue color".
+    :param enum_path: send the value green. Known values are: "red color", "green color", and "blue
+     color".
     :type enum_path: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -708,7 +708,7 @@ def build_enum_null_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :param enum_path: send null should throw. Possible values are: "red color", "green color", and
+    :param enum_path: send null should throw. Known values are: "red color", "green color", and
      "blue color".
     :type enum_path: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/paths/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/paths/_request_builders_py3.py
index c44aa605f19..90568b7905d 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/paths/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/paths/_request_builders_py3.py
@@ -536,8 +536,8 @@ def build_enum_valid_request(enum_path: str, **kwargs: Any) -> HttpRequest:
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :param enum_path: send the value green. Possible values are: "red color", "green color", and
-     "blue color".
+    :param enum_path: send the value green. Known values are: "red color", "green color", and "blue
+     color".
     :type enum_path: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
@@ -569,7 +569,7 @@ def build_enum_null_request(enum_path: str, **kwargs: Any) -> HttpRequest:
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :param enum_path: send null should throw. Possible values are: "red color", "green color", and
+    :param enum_path: send null should throw. Known values are: "red color", "green color", and
      "blue color".
     :type enum_path: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/queries/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/queries/_request_builders.py
index 1c19a556d96..0b367634eb1 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/queries/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/queries/_request_builders.py
@@ -829,7 +829,7 @@ def build_enum_valid_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword enum_query: 'green color' enum value. Possible values are: "red color", "green color",
+    :keyword enum_query: 'green color' enum value. Known values are: "red color", "green color",
      and "blue color". Default value is None.
     :paramtype enum_query: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
@@ -872,8 +872,8 @@ def build_enum_null_request(
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword enum_query: null string value. Possible values are: "red color", "green color", and
-     "blue color". Default value is None.
+    :keyword enum_query: null string value. Known values are: "red color", "green color", and "blue
+     color". Default value is None.
     :paramtype enum_query: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/queries/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/queries/_request_builders_py3.py
index 1df4fdabbcf..00ef5d30836 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/queries/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/UrlLowLevel/urllowlevel/rest/queries/_request_builders_py3.py
@@ -644,7 +644,7 @@ def build_enum_valid_request(*, enum_query: Optional[str] = None, **kwargs: Any)
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword enum_query: 'green color' enum value. Possible values are: "red color", "green color",
+    :keyword enum_query: 'green color' enum value. Known values are: "red color", "green color",
      and "blue color". Default value is None.
     :paramtype enum_query: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
@@ -677,8 +677,8 @@ def build_enum_null_request(*, enum_query: Optional[str] = None, **kwargs: Any)
     See https://aka.ms/azsdk/python/protocol/quickstart for how to incorporate this request builder
     into your code flow.
 
-    :keyword enum_query: null string value. Possible values are: "red color", "green color", and
-     "blue color". Default value is None.
+    :keyword enum_query: null string value. Known values are: "red color", "green color", and "blue
+     color". Default value is None.
     :paramtype enum_query: str
     :return: Returns an :class:`~azure.core.rest.HttpRequest` that you will pass to the client's
      `send_request` method. See https://aka.ms/azsdk/python/protocol/quickstart for how to
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/XmlLowLevel/xmlservicelowlevel/rest/xml/_request_builders.py b/test/vanilla/low-level/Expected/AcceptanceTests/XmlLowLevel/xmlservicelowlevel/rest/xml/_request_builders.py
index f68e35db91a..0c05a4281e7 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/XmlLowLevel/xmlservicelowlevel/rest/xml/_request_builders.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/XmlLowLevel/xmlservicelowlevel/rest/xml/_request_builders.py
@@ -913,14 +913,14 @@ def build_list_containers_request(
                         "Properties": {
                             "Etag": "str",  # Required.
                             "Last-Modified": "2020-02-20 00:00:00",  # Required.
-                            "LeaseDuration": "str",  # Optional. Possible values
-                              include: "infinite", "fixed".
-                            "LeaseState": "str",  # Optional. Possible values
-                              include: "available", "leased", "expired", "breaking", "broken".
-                            "LeaseStatus": "str",  # Optional. Possible values
-                              include: "locked", "unlocked".
-                            "PublicAccess": "str"  # Optional. Possible values
-                              include: "container", "blob".
+                            "LeaseDuration": "str",  # Optional. Known values
+                              are: "infinite", "fixed".
+                            "LeaseState": "str",  # Optional. Known values are:
+                              "available", "leased", "expired", "breaking", "broken".
+                            "LeaseStatus": "str",  # Optional. Known values are:
+                              "locked", "unlocked".
+                            "PublicAccess": "str"  # Optional. Known values are:
+                              "container", "blob".
                         }
                     }
                 ],
@@ -1287,16 +1287,16 @@ def build_list_blobs_request(
                             },
                             "Name": "str",  # Required.
                             "Properties": {
-                                "AccessTier": "str",  # Optional. Possible
-                                  values include: "P4", "P6", "P10", "P20", "P30", "P40", "P50",
-                                  "Hot", "Cool", "Archive".
+                                "AccessTier": "str",  # Optional. Known
+                                  values are: "P4", "P6", "P10", "P20", "P30", "P40", "P50", "Hot",
+                                  "Cool", "Archive".
                                 "AccessTierInferred": bool,  # Optional.
                                   Required. Properties of a blob.
-                                "ArchiveStatus": "str",  # Optional. Possible
-                                  values include: "rehydrate-pending-to-hot",
+                                "ArchiveStatus": "str",  # Optional. Known
+                                  values are: "rehydrate-pending-to-hot",
                                   "rehydrate-pending-to-cool".
-                                "BlobType": "str",  # Optional. Possible
-                                  values include: "BlockBlob", "PageBlob", "AppendBlob".
+                                "BlobType": "str",  # Optional. Known values
+                                  are: "BlockBlob", "PageBlob", "AppendBlob".
                                 "Cache-Control": "str",  # Optional.
                                   Required. Properties of a blob.
                                 "Content-Disposition": "str",  # Optional.
@@ -1319,8 +1319,8 @@ def build_list_blobs_request(
                                   Properties of a blob.
                                 "CopySource": "str",  # Optional. Required.
                                   Properties of a blob.
-                                "CopyStatus": "str",  # Optional. Possible
-                                  values include: "pending", "success", "aborted", "failed".
+                                "CopyStatus": "str",  # Optional. Known
+                                  values are: "pending", "success", "aborted", "failed".
                                 "CopyStatusDescription": "str",  # Optional.
                                   Required. Properties of a blob.
                                 "DeletedTime": "2020-02-20 00:00:00",  #
@@ -1332,13 +1332,13 @@ def build_list_blobs_request(
                                   Required. Properties of a blob.
                                 "Last-Modified": "2020-02-20 00:00:00",  #
                                   Required.
-                                "LeaseDuration": "str",  # Optional. Possible
-                                  values include: "infinite", "fixed".
-                                "LeaseState": "str",  # Optional. Possible
-                                  values include: "available", "leased", "expired", "breaking",
+                                "LeaseDuration": "str",  # Optional. Known
+                                  values are: "infinite", "fixed".
+                                "LeaseState": "str",  # Optional. Known
+                                  values are: "available", "leased", "expired", "breaking",
                                   "broken".
-                                "LeaseStatus": "str",  # Optional. Possible
-                                  values include: "locked", "unlocked".
+                                "LeaseStatus": "str",  # Optional. Known
+                                  values are: "locked", "unlocked".
                                 "RemainingRetentionDays": 0,  # Optional.
                                   Required. Properties of a blob.
                                 "ServerEncrypted": bool,  # Optional.
diff --git a/test/vanilla/low-level/Expected/AcceptanceTests/XmlLowLevel/xmlservicelowlevel/rest/xml/_request_builders_py3.py b/test/vanilla/low-level/Expected/AcceptanceTests/XmlLowLevel/xmlservicelowlevel/rest/xml/_request_builders_py3.py
index bddf9cea4d6..a22ddf0599b 100644
--- a/test/vanilla/low-level/Expected/AcceptanceTests/XmlLowLevel/xmlservicelowlevel/rest/xml/_request_builders_py3.py
+++ b/test/vanilla/low-level/Expected/AcceptanceTests/XmlLowLevel/xmlservicelowlevel/rest/xml/_request_builders_py3.py
@@ -738,14 +738,14 @@ def build_list_containers_request(**kwargs: Any) -> HttpRequest:
                         "Properties": {
                             "Etag": "str",  # Required.
                             "Last-Modified": "2020-02-20 00:00:00",  # Required.
-                            "LeaseDuration": "str",  # Optional. Possible values
-                              include: "infinite", "fixed".
-                            "LeaseState": "str",  # Optional. Possible values
-                              include: "available", "leased", "expired", "breaking", "broken".
-                            "LeaseStatus": "str",  # Optional. Possible values
-                              include: "locked", "unlocked".
-                            "PublicAccess": "str"  # Optional. Possible values
-                              include: "container", "blob".
+                            "LeaseDuration": "str",  # Optional. Known values
+                              are: "infinite", "fixed".
+                            "LeaseState": "str",  # Optional. Known values are:
+                              "available", "leased", "expired", "breaking", "broken".
+                            "LeaseStatus": "str",  # Optional. Known values are:
+                              "locked", "unlocked".
+                            "PublicAccess": "str"  # Optional. Known values are:
+                              "container", "blob".
                         }
                     }
                 ],
@@ -1067,16 +1067,16 @@ def build_list_blobs_request(**kwargs: Any) -> HttpRequest:
                             },
                             "Name": "str",  # Required.
                             "Properties": {
-                                "AccessTier": "str",  # Optional. Possible
-                                  values include: "P4", "P6", "P10", "P20", "P30", "P40", "P50",
-                                  "Hot", "Cool", "Archive".
+                                "AccessTier": "str",  # Optional. Known
+                                  values are: "P4", "P6", "P10", "P20", "P30", "P40", "P50", "Hot",
+                                  "Cool", "Archive".
                                 "AccessTierInferred": bool,  # Optional.
                                   Required. Properties of a blob.
-                                "ArchiveStatus": "str",  # Optional. Possible
-                                  values include: "rehydrate-pending-to-hot",
+                                "ArchiveStatus": "str",  # Optional. Known
+                                  values are: "rehydrate-pending-to-hot",
                                   "rehydrate-pending-to-cool".
-                                "BlobType": "str",  # Optional. Possible
-                                  values include: "BlockBlob", "PageBlob", "AppendBlob".
+                                "BlobType": "str",  # Optional. Known values
+                                  are: "BlockBlob", "PageBlob", "AppendBlob".
                                 "Cache-Control": "str",  # Optional.
                                   Required. Properties of a blob.
                                 "Content-Disposition": "str",  # Optional.
@@ -1099,8 +1099,8 @@ def build_list_blobs_request(**kwargs: Any) -> HttpRequest:
                                   Properties of a blob.
                                 "CopySource": "str",  # Optional. Required.
                                   Properties of a blob.
-                                "CopyStatus": "str",  # Optional. Possible
-                                  values include: "pending", "success", "aborted", "failed".
+                                "CopyStatus": "str",  # Optional. Known
+                                  values are: "pending", "success", "aborted", "failed".
                                 "CopyStatusDescription": "str",  # Optional.
                                   Required. Properties of a blob.
                                 "DeletedTime": "2020-02-20 00:00:00",  #
@@ -1112,13 +1112,13 @@ def build_list_blobs_request(**kwargs: Any) -> HttpRequest:
                                   Required. Properties of a blob.
                                 "Last-Modified": "2020-02-20 00:00:00",  #
                                   Required.
-                                "LeaseDuration": "str",  # Optional. Possible
-                                  values include: "infinite", "fixed".
-                                "LeaseState": "str",  # Optional. Possible
-                                  values include: "available", "leased", "expired", "breaking",
+                                "LeaseDuration": "str",  # Optional. Known
+                                  values are: "infinite", "fixed".
+                                "LeaseState": "str",  # Optional. Known
+                                  values are: "available", "leased", "expired", "breaking",
                                   "broken".
-                                "LeaseStatus": "str",  # Optional. Possible
-                                  values include: "locked", "unlocked".
+                                "LeaseStatus": "str",  # Optional. Known
+                                  values are: "locked", "unlocked".
                                 "RemainingRetentionDays": 0,  # Optional.
                                   Required. Properties of a blob.
                                 "ServerEncrypted": bool,  # Optional.
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyArrayVersionTolerant/bodyarrayversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyArrayVersionTolerant/bodyarrayversiontolerant/aio/operations/_operations.py
index 96441ebf075..935de54b241 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyArrayVersionTolerant/bodyarrayversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyArrayVersionTolerant/bodyarrayversiontolerant/aio/operations/_operations.py
@@ -1422,7 +1422,7 @@ async def put_string_valid(  # pylint: disable=inconsistent-return-statements
     async def get_enum_valid(self, **kwargs: Any) -> List[str]:
         """Get enum array value ['foo1', 'foo2', 'foo3'].
 
-        :return: list of str. Possible values are: "foo1", "foo2", and "foo3".
+        :return: list of str. Known values are: "foo1", "foo2", and "foo3".
         :rtype: list[str]
         :raises: ~azure.core.exceptions.HttpResponseError
 
@@ -1524,7 +1524,7 @@ async def put_enum_valid(  # pylint: disable=inconsistent-return-statements
     async def get_string_enum_valid(self, **kwargs: Any) -> List[str]:
         """Get enum array value ['foo1', 'foo2', 'foo3'].
 
-        :return: list of str. Possible values are: "foo1", "foo2", and "foo3".
+        :return: list of str. Known values are: "foo1", "foo2", and "foo3".
         :rtype: list[str]
         :raises: ~azure.core.exceptions.HttpResponseError
 
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyArrayVersionTolerant/bodyarrayversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyArrayVersionTolerant/bodyarrayversiontolerant/operations/_operations.py
index 67b268e1da7..02bec5e0958 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyArrayVersionTolerant/bodyarrayversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyArrayVersionTolerant/bodyarrayversiontolerant/operations/_operations.py
@@ -2381,7 +2381,7 @@ def put_string_valid(  # pylint: disable=inconsistent-return-statements
     def get_enum_valid(self, **kwargs: Any) -> List[str]:
         """Get enum array value ['foo1', 'foo2', 'foo3'].
 
-        :return: list of str. Possible values are: "foo1", "foo2", and "foo3".
+        :return: list of str. Known values are: "foo1", "foo2", and "foo3".
         :rtype: list[str]
         :raises: ~azure.core.exceptions.HttpResponseError
 
@@ -2483,7 +2483,7 @@ def put_enum_valid(  # pylint: disable=inconsistent-return-statements
     def get_string_enum_valid(self, **kwargs: Any) -> List[str]:
         """Get enum array value ['foo1', 'foo2', 'foo3'].
 
-        :return: list of str. Possible values are: "foo1", "foo2", and "foo3".
+        :return: list of str. Known values are: "foo1", "foo2", and "foo3".
         :rtype: list[str]
         :raises: ~azure.core.exceptions.HttpResponseError
 
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyComplexVersionTolerant/bodycomplexversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyComplexVersionTolerant/bodycomplexversiontolerant/aio/operations/_operations.py
index 56716b8a5ad..788c2434b5d 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyComplexVersionTolerant/bodycomplexversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyComplexVersionTolerant/bodycomplexversiontolerant/aio/operations/_operations.py
@@ -114,8 +114,8 @@ async def get_valid(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -171,8 +171,8 @@ async def put_valid(  # pylint: disable=inconsistent-return-statements
 
                 # JSON input template you can fill out and use as your body input.
                 complex_body = {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -226,8 +226,8 @@ async def get_invalid(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -279,8 +279,8 @@ async def get_empty(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -332,8 +332,8 @@ async def get_null(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -385,8 +385,8 @@ async def get_not_provided(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyComplexVersionTolerant/bodycomplexversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyComplexVersionTolerant/bodycomplexversiontolerant/operations/_operations.py
index acdeabc65c7..f8d79dc48d8 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyComplexVersionTolerant/bodycomplexversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyComplexVersionTolerant/bodycomplexversiontolerant/operations/_operations.py
@@ -916,8 +916,8 @@ def get_valid(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -973,8 +973,8 @@ def put_valid(  # pylint: disable=inconsistent-return-statements
 
                 # JSON input template you can fill out and use as your body input.
                 complex_body = {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -1028,8 +1028,8 @@ def get_invalid(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -1081,8 +1081,8 @@ def get_empty(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -1134,8 +1134,8 @@ def get_null(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
@@ -1187,8 +1187,8 @@ def get_not_provided(self, **kwargs: Any) -> JSONType:
 
                 # response body for status code(s): 200
                 response.json() == {
-                    "color": "str",  # Optional. Possible values include: "cyan", "Magenta",
-                      "YELLOW", "blacK".
+                    "color": "str",  # Optional. Known values are: "cyan", "Magenta", "YELLOW",
+                      "blacK".
                     "id": 0,  # Optional. Basic Id.
                     "name": "str"  # Optional. Name property with a very long description that
                       does not fit on a single line and a line break.
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyFormUrlEncodedDataVersionTolerant/bodyformurlencodeddataversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyFormUrlEncodedDataVersionTolerant/bodyformurlencodeddataversiontolerant/aio/operations/_operations.py
index 51cd912a894..b95b229371f 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyFormUrlEncodedDataVersionTolerant/bodyformurlencodeddataversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyFormUrlEncodedDataVersionTolerant/bodyformurlencodeddataversiontolerant/aio/operations/_operations.py
@@ -72,10 +72,10 @@ async def update_pet_with_form(  # pylint: disable=inconsistent-return-statement
                 data = {
                     "name": "str",  # Optional. Updated name of the pet. Default value is None.
                     "pet_age": 0,  # How many years is it old?.
-                    "pet_food": "str",  # Can take a value of meat, or fish, or plant. Possible
+                    "pet_food": "str",  # Can take a value of meat, or fish, or plant. Known
                       values are: "meat", "fish", and "plant".
-                    "pet_type": "str",  # Can take a value of dog, or cat, or fish. Possible
-                      values are: "dog", "cat", and "fish".
+                    "pet_type": "str",  # Can take a value of dog, or cat, or fish. Known values
+                      are: "dog", "cat", and "fish".
                     "status": "str"  # Optional. Updated status of the pet. Default value is
                       None.
                 }
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyFormUrlEncodedDataVersionTolerant/bodyformurlencodeddataversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyFormUrlEncodedDataVersionTolerant/bodyformurlencodeddataversiontolerant/operations/_operations.py
index d717ff34c2a..e85ceaf2fdd 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyFormUrlEncodedDataVersionTolerant/bodyformurlencodeddataversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyFormUrlEncodedDataVersionTolerant/bodyformurlencodeddataversiontolerant/operations/_operations.py
@@ -111,10 +111,10 @@ def update_pet_with_form(  # pylint: disable=inconsistent-return-statements
                 data = {
                     "name": "str",  # Optional. Updated name of the pet. Default value is None.
                     "pet_age": 0,  # How many years is it old?.
-                    "pet_food": "str",  # Can take a value of meat, or fish, or plant. Possible
+                    "pet_food": "str",  # Can take a value of meat, or fish, or plant. Known
                       values are: "meat", "fish", and "plant".
-                    "pet_type": "str",  # Can take a value of dog, or cat, or fish. Possible
-                      values are: "dog", "cat", and "fish".
+                    "pet_type": "str",  # Can take a value of dog, or cat, or fish. Known values
+                      are: "dog", "cat", and "fish".
                     "status": "str"  # Optional. Updated status of the pet. Default value is
                       None.
                 }
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyStringVersionTolerant/bodystringversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyStringVersionTolerant/bodystringversiontolerant/aio/operations/_operations.py
index 3a421ecb3d4..4c45bfc01f2 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyStringVersionTolerant/bodystringversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyStringVersionTolerant/bodystringversiontolerant/aio/operations/_operations.py
@@ -647,7 +647,7 @@ def __init__(self, *args, **kwargs) -> None:
     async def get_not_expandable(self, **kwargs: Any) -> str:
         """Get enum value 'red color' from enumeration of 'red color', 'green-color', 'blue_color'.
 
-        :return: str. Possible values are: "red color", "green-color", and "blue_color".
+        :return: str. Known values are: "red color", "green-color", and "blue_color".
         :rtype: str
         :raises: ~azure.core.exceptions.HttpResponseError
 
@@ -696,7 +696,7 @@ async def put_not_expandable(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Sends value 'red color' from enumeration of 'red color', 'green-color', 'blue_color'.
 
-        :param string_body: string body. Possible values are: "red color", "green-color", and
+        :param string_body: string body. Known values are: "red color", "green-color", and
          "blue_color".
         :type string_body: str
         :return: None
@@ -740,7 +740,7 @@ async def put_not_expandable(  # pylint: disable=inconsistent-return-statements
     async def get_referenced(self, **kwargs: Any) -> str:
         """Get enum value 'red color' from enumeration of 'red color', 'green-color', 'blue_color'.
 
-        :return: str. Possible values are: "red color", "green-color", and "blue_color".
+        :return: str. Known values are: "red color", "green-color", and "blue_color".
         :rtype: str
         :raises: ~azure.core.exceptions.HttpResponseError
 
@@ -789,7 +789,7 @@ async def put_referenced(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Sends value 'red color' from enumeration of 'red color', 'green-color', 'blue_color'.
 
-        :param enum_string_body: enum string body. Possible values are: "red color", "green-color", and
+        :param enum_string_body: enum string body. Known values are: "red color", "green-color", and
          "blue_color".
         :type enum_string_body: str
         :return: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyStringVersionTolerant/bodystringversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyStringVersionTolerant/bodystringversiontolerant/operations/_operations.py
index e58bb7a47be..707e3152a9b 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyStringVersionTolerant/bodystringversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/BodyStringVersionTolerant/bodystringversiontolerant/operations/_operations.py
@@ -929,7 +929,7 @@ def __init__(self, *args, **kwargs):
     def get_not_expandable(self, **kwargs: Any) -> str:
         """Get enum value 'red color' from enumeration of 'red color', 'green-color', 'blue_color'.
 
-        :return: str. Possible values are: "red color", "green-color", and "blue_color".
+        :return: str. Known values are: "red color", "green-color", and "blue_color".
         :rtype: str
         :raises: ~azure.core.exceptions.HttpResponseError
 
@@ -978,7 +978,7 @@ def put_not_expandable(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Sends value 'red color' from enumeration of 'red color', 'green-color', 'blue_color'.
 
-        :param string_body: string body. Possible values are: "red color", "green-color", and
+        :param string_body: string body. Known values are: "red color", "green-color", and
          "blue_color".
         :type string_body: str
         :return: None
@@ -1022,7 +1022,7 @@ def put_not_expandable(  # pylint: disable=inconsistent-return-statements
     def get_referenced(self, **kwargs: Any) -> str:
         """Get enum value 'red color' from enumeration of 'red color', 'green-color', 'blue_color'.
 
-        :return: str. Possible values are: "red color", "green-color", and "blue_color".
+        :return: str. Known values are: "red color", "green-color", and "blue_color".
         :rtype: str
         :raises: ~azure.core.exceptions.HttpResponseError
 
@@ -1071,7 +1071,7 @@ def put_referenced(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Sends value 'red color' from enumeration of 'red color', 'green-color', 'blue_color'.
 
-        :param enum_string_body: enum string body. Possible values are: "red color", "green-color", and
+        :param enum_string_body: enum string body. Known values are: "red color", "green-color", and
          "blue_color".
         :type enum_string_body: str
         :return: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ConstantsVersionTolerant/constantsversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ConstantsVersionTolerant/constantsversiontolerant/aio/operations/_operations.py
index 7e53e8aa945..df25d451b06 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ConstantsVersionTolerant/constantsversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ConstantsVersionTolerant/constantsversiontolerant/aio/operations/_operations.py
@@ -70,7 +70,7 @@ async def put_no_model_as_string_no_required_two_value_no_default(  # pylint: di
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is None.
+        :keyword input: Known values are: "value1" or "value2". Default value is None.
         :paramtype input: str
         :return: None
         :rtype: None
@@ -111,7 +111,7 @@ async def put_no_model_as_string_no_required_two_value_default(  # pylint: disab
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+        :keyword input: Known values are: "value1" or "value2". Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -152,7 +152,7 @@ async def put_no_model_as_string_no_required_one_value_no_default(  # pylint: di
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are "value1" or None. Default value is None.
+        :keyword input: Known values are "value1" or None. Default value is None.
         :paramtype input: str
         :return: None
         :rtype: None
@@ -193,7 +193,7 @@ async def put_no_model_as_string_no_required_one_value_default(  # pylint: disab
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are "value1" or None. Default value is "value1".
+        :keyword input: Known values are "value1" or None. Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -234,7 +234,7 @@ async def put_no_model_as_string_required_two_value_no_default(  # pylint: disab
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2".
+        :keyword input: Known values are: "value1" or "value2".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -275,7 +275,7 @@ async def put_no_model_as_string_required_two_value_default(  # pylint: disable=
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+        :keyword input: Known values are: "value1" or "value2". Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -402,7 +402,7 @@ async def put_model_as_string_no_required_two_value_no_default(  # pylint: disab
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is None.
+        :keyword input: Known values are: "value1" or "value2". Default value is None.
         :paramtype input: str
         :return: None
         :rtype: None
@@ -443,7 +443,7 @@ async def put_model_as_string_no_required_two_value_default(  # pylint: disable=
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+        :keyword input: Known values are: "value1" or "value2". Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -566,7 +566,7 @@ async def put_model_as_string_required_two_value_no_default(  # pylint: disable=
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2".
+        :keyword input: Known values are: "value1" or "value2".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -607,7 +607,7 @@ async def put_model_as_string_required_two_value_default(  # pylint: disable=inc
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+        :keyword input: Known values are: "value1" or "value2". Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ConstantsVersionTolerant/constantsversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ConstantsVersionTolerant/constantsversiontolerant/operations/_operations.py
index e01a50afdd0..e95fc5d5a92 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ConstantsVersionTolerant/constantsversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ConstantsVersionTolerant/constantsversiontolerant/operations/_operations.py
@@ -311,7 +311,7 @@ def put_no_model_as_string_no_required_two_value_no_default(  # pylint: disable=
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is None.
+        :keyword input: Known values are: "value1" or "value2". Default value is None.
         :paramtype input: str
         :return: None
         :rtype: None
@@ -352,7 +352,7 @@ def put_no_model_as_string_no_required_two_value_default(  # pylint: disable=inc
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+        :keyword input: Known values are: "value1" or "value2". Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -393,7 +393,7 @@ def put_no_model_as_string_no_required_one_value_no_default(  # pylint: disable=
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are "value1" or None. Default value is None.
+        :keyword input: Known values are "value1" or None. Default value is None.
         :paramtype input: str
         :return: None
         :rtype: None
@@ -434,7 +434,7 @@ def put_no_model_as_string_no_required_one_value_default(  # pylint: disable=inc
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are "value1" or None. Default value is "value1".
+        :keyword input: Known values are "value1" or None. Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -475,7 +475,7 @@ def put_no_model_as_string_required_two_value_no_default(  # pylint: disable=inc
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2".
+        :keyword input: Known values are: "value1" or "value2".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -516,7 +516,7 @@ def put_no_model_as_string_required_two_value_default(  # pylint: disable=incons
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+        :keyword input: Known values are: "value1" or "value2". Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -643,7 +643,7 @@ def put_model_as_string_no_required_two_value_no_default(  # pylint: disable=inc
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is None.
+        :keyword input: Known values are: "value1" or "value2". Default value is None.
         :paramtype input: str
         :return: None
         :rtype: None
@@ -684,7 +684,7 @@ def put_model_as_string_no_required_two_value_default(  # pylint: disable=incons
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+        :keyword input: Known values are: "value1" or "value2". Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -807,7 +807,7 @@ def put_model_as_string_required_two_value_no_default(  # pylint: disable=incons
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2".
+        :keyword input: Known values are: "value1" or "value2".
         :paramtype input: str
         :return: None
         :rtype: None
@@ -848,7 +848,7 @@ def put_model_as_string_required_two_value_default(  # pylint: disable=inconsist
 
         Puts constants to the testserver.
 
-        :keyword input: Possible values are: "value1" or "value2". Default value is "value1".
+        :keyword input: Known values are: "value1" or "value2". Default value is "value1".
         :paramtype input: str
         :return: None
         :rtype: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ExtensibleEnumsVersionTolerant/extensibleenumsswaggerversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ExtensibleEnumsVersionTolerant/extensibleenumsswaggerversiontolerant/aio/operations/_operations.py
index 05d68042aa9..b13c88f8807 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ExtensibleEnumsVersionTolerant/extensibleenumsswaggerversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ExtensibleEnumsVersionTolerant/extensibleenumsswaggerversiontolerant/aio/operations/_operations.py
@@ -61,9 +61,9 @@ async def get_by_pet_id(self, pet_id: str, **kwargs: Any) -> JSONType:
                 # response body for status code(s): 200
                 response.json() == {
                     "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                      Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                      Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                       "Saturday", "Sunday". Default value: "Friday".
-                    "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                    "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                     "name": "str"  # Optional. name.
                 }
         """
@@ -117,18 +117,18 @@ async def add_pet(self, pet_param: JSONType = None, **kwargs: Any) -> JSONType:
                 # JSON input template you can fill out and use as your body input.
                 pet_param = {
                     "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                      Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                      Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                       "Saturday", "Sunday". Default value: "Friday".
-                    "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                    "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                     "name": "str"  # Optional. name.
                 }
 
                 # response body for status code(s): 200
                 response.json() == {
                     "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                      Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                      Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                       "Saturday", "Sunday". Default value: "Friday".
-                    "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                    "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                     "name": "str"  # Optional. name.
                 }
         """
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ExtensibleEnumsVersionTolerant/extensibleenumsswaggerversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ExtensibleEnumsVersionTolerant/extensibleenumsswaggerversiontolerant/operations/_operations.py
index 6b114c87a9a..4d4f14c16f7 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ExtensibleEnumsVersionTolerant/extensibleenumsswaggerversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ExtensibleEnumsVersionTolerant/extensibleenumsswaggerversiontolerant/operations/_operations.py
@@ -102,9 +102,9 @@ def get_by_pet_id(self, pet_id: str, **kwargs: Any) -> JSONType:
                 # response body for status code(s): 200
                 response.json() == {
                     "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                      Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                      Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                       "Saturday", "Sunday". Default value: "Friday".
-                    "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                    "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                     "name": "str"  # Optional. name.
                 }
         """
@@ -158,18 +158,18 @@ def add_pet(self, pet_param: JSONType = None, **kwargs: Any) -> JSONType:
                 # JSON input template you can fill out and use as your body input.
                 pet_param = {
                     "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                      Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                      Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                       "Saturday", "Sunday". Default value: "Friday".
-                    "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                    "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                     "name": "str"  # Optional. name.
                 }
 
                 # response body for status code(s): 200
                 response.json() == {
                     "DaysOfWeek": "Friday",  # Optional. Default value is "Friday". Type of Pet.
-                      Possible values include: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
+                      Known values are: "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
                       "Saturday", "Sunday". Default value: "Friday".
-                    "IntEnum": "str",  # Required. Possible values include: "1", "2", "3".
+                    "IntEnum": "str",  # Required. Known values are: "1", "2", "3".
                     "name": "str"  # Optional. name.
                 }
         """
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/HeaderVersionTolerant/headerversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/HeaderVersionTolerant/headerversiontolerant/aio/operations/_operations.py
index 392497f2ace..bb07ec84a90 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/HeaderVersionTolerant/headerversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/HeaderVersionTolerant/headerversiontolerant/aio/operations/_operations.py
@@ -1172,7 +1172,7 @@ async def param_enum(  # pylint: disable=inconsistent-return-statements
         :keyword scenario: Send a post request with header values "scenario": "valid" or "null" or
          "empty".
         :paramtype scenario: str
-        :keyword value: Send a post request with header values 'GREY'. Possible values are: "White",
+        :keyword value: Send a post request with header values 'GREY'. Known values are: "White",
          "black", and "GREY". Default value is None.
         :paramtype value: str
         :return: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/HeaderVersionTolerant/headerversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/HeaderVersionTolerant/headerversiontolerant/operations/_operations.py
index d4d05259914..ae5dbd16ae0 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/HeaderVersionTolerant/headerversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/HeaderVersionTolerant/headerversiontolerant/operations/_operations.py
@@ -1586,7 +1586,7 @@ def param_enum(  # pylint: disable=inconsistent-return-statements
         :keyword scenario: Send a post request with header values "scenario": "valid" or "null" or
          "empty".
         :paramtype scenario: str
-        :keyword value: Send a post request with header values 'GREY'. Possible values are: "White",
+        :keyword value: Send a post request with header values 'GREY'. Known values are: "White",
          "black", and "GREY". Default value is None.
         :paramtype value: str
         :return: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/HttpVersionTolerant/httpinfrastructureversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/HttpVersionTolerant/httpinfrastructureversiontolerant/aio/operations/_operations.py
index 9518ae0b69a..74cf7e7f341 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/HttpVersionTolerant/httpinfrastructureversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/HttpVersionTolerant/httpinfrastructureversiontolerant/aio/operations/_operations.py
@@ -420,8 +420,8 @@ async def put200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put boolean value true returning 200 success.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -469,8 +469,8 @@ async def patch200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returning 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -518,8 +518,8 @@ async def post200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post bollean value true in request that returns a 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -567,8 +567,8 @@ async def delete200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete simple boolean value true returns 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -616,8 +616,8 @@ async def put201(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 201.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -665,8 +665,8 @@ async def post201(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 201 (Created).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -714,8 +714,8 @@ async def put202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 202 (Accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -763,8 +763,8 @@ async def patch202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returns 202.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -812,8 +812,8 @@ async def post202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 202 (Accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -861,8 +861,8 @@ async def delete202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete true Boolean value in request returns 202 (accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -944,8 +944,8 @@ async def put204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -993,8 +993,8 @@ async def patch204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1042,8 +1042,8 @@ async def post204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1091,8 +1091,8 @@ async def delete204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1361,8 +1361,8 @@ async def put301(  # pylint: disable=inconsistent-return-statements
         """Put true Boolean value in request returns 301.  This request should not be automatically
         redirected, but should return the received 301 to the caller for evaluation.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1490,8 +1490,8 @@ async def patch302(  # pylint: disable=inconsistent-return-statements
         """Patch true Boolean value in request returns 302.  This request should not be automatically
         redirected, but should return the received 302 to the caller for evaluation.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1543,8 +1543,8 @@ async def post303(  # pylint: disable=inconsistent-return-statements
         """Post true Boolean value in request returns 303.  This request should be automatically
         redirected usign a get, ultimately returning a 200 status code.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1710,8 +1710,8 @@ async def put307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1763,8 +1763,8 @@ async def patch307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1816,8 +1816,8 @@ async def post307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -1869,8 +1869,8 @@ async def delete307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2042,8 +2042,8 @@ async def put400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2091,8 +2091,8 @@ async def patch400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2140,8 +2140,8 @@ async def post400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2189,8 +2189,8 @@ async def delete400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2374,8 +2374,8 @@ async def put404(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 404 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2423,8 +2423,8 @@ async def patch405(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 405 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2472,8 +2472,8 @@ async def post406(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 406 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2521,8 +2521,8 @@ async def delete407(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 407 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2570,8 +2570,8 @@ async def put409(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 409 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2755,8 +2755,8 @@ async def put413(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 413 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2804,8 +2804,8 @@ async def patch414(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 414 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2853,8 +2853,8 @@ async def post415(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 415 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2936,8 +2936,8 @@ async def delete417(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 417 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3105,8 +3105,8 @@ async def post505(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 505 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3154,8 +3154,8 @@ async def delete505(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 505 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3255,8 +3255,8 @@ async def put500(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 500 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3304,8 +3304,8 @@ async def patch500(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 500 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3428,8 +3428,8 @@ async def post503(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 503 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3477,8 +3477,8 @@ async def delete503(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 503 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3526,8 +3526,8 @@ async def put504(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 504 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3575,8 +3575,8 @@ async def patch504(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 504 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/HttpVersionTolerant/httpinfrastructureversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/HttpVersionTolerant/httpinfrastructureversiontolerant/operations/_operations.py
index 8c29600364d..c36f7464ddf 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/HttpVersionTolerant/httpinfrastructureversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/HttpVersionTolerant/httpinfrastructureversiontolerant/operations/_operations.py
@@ -1973,8 +1973,8 @@ def put200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put boolean value true returning 200 success.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2022,8 +2022,8 @@ def patch200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returning 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2071,8 +2071,8 @@ def post200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post bollean value true in request that returns a 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2120,8 +2120,8 @@ def delete200(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete simple boolean value true returns 200.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2169,8 +2169,8 @@ def put201(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 201.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2218,8 +2218,8 @@ def post201(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 201 (Created).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2267,8 +2267,8 @@ def put202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 202 (Accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2316,8 +2316,8 @@ def patch202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returns 202.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2365,8 +2365,8 @@ def post202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 202 (Accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2414,8 +2414,8 @@ def delete202(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete true Boolean value in request returns 202 (accepted).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2497,8 +2497,8 @@ def put204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2546,8 +2546,8 @@ def patch204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2595,8 +2595,8 @@ def post204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2644,8 +2644,8 @@ def delete204(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete true Boolean value in request returns 204 (no content).
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -2914,8 +2914,8 @@ def put301(  # pylint: disable=inconsistent-return-statements
         """Put true Boolean value in request returns 301.  This request should not be automatically
         redirected, but should return the received 301 to the caller for evaluation.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3043,8 +3043,8 @@ def patch302(  # pylint: disable=inconsistent-return-statements
         """Patch true Boolean value in request returns 302.  This request should not be automatically
         redirected, but should return the received 302 to the caller for evaluation.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3096,8 +3096,8 @@ def post303(  # pylint: disable=inconsistent-return-statements
         """Post true Boolean value in request returns 303.  This request should be automatically
         redirected usign a get, ultimately returning a 200 status code.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3263,8 +3263,8 @@ def put307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Put redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3316,8 +3316,8 @@ def patch307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Patch redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3369,8 +3369,8 @@ def post307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Post redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3422,8 +3422,8 @@ def delete307(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Delete redirected with 307, resulting in a 200 after redirect.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3595,8 +3595,8 @@ def put400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3644,8 +3644,8 @@ def patch400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3693,8 +3693,8 @@ def post400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3742,8 +3742,8 @@ def delete400(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 400 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3927,8 +3927,8 @@ def put404(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 404 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -3976,8 +3976,8 @@ def patch405(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 405 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4025,8 +4025,8 @@ def post406(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 406 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4074,8 +4074,8 @@ def delete407(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 407 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4123,8 +4123,8 @@ def put409(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 409 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4308,8 +4308,8 @@ def put413(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 413 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4357,8 +4357,8 @@ def patch414(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 414 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4406,8 +4406,8 @@ def post415(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 415 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4489,8 +4489,8 @@ def delete417(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 417 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4658,8 +4658,8 @@ def post505(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 505 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4707,8 +4707,8 @@ def delete505(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 505 status code - should be represented in the client as an error.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4808,8 +4808,8 @@ def put500(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 500 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4857,8 +4857,8 @@ def patch500(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 500 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -4981,8 +4981,8 @@ def post503(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 503 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -5030,8 +5030,8 @@ def delete503(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 503 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -5079,8 +5079,8 @@ def put504(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 504 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
@@ -5128,8 +5128,8 @@ def patch504(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Return 504 status code, then 200 after retry.
 
-        :param boolean_value: Simple boolean value true. Possible values are True or None. Default
-         value is None.
+        :param boolean_value: Simple boolean value true. Known values are True or None. Default value
+         is None.
         :type boolean_value: bool
         :return: None
         :rtype: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/_operations.py
index b290ce8fb61..b6b834ab0a1 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/_operations/_operations.py
@@ -151,7 +151,7 @@ def analyze_body(
 
         :param input: Input parameter. Default value is None.
         :type input: IO or JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str
@@ -230,7 +230,7 @@ def analyze_body_no_accept_header(  # pylint: disable=inconsistent-return-statem
 
         :param input: Input parameter. Default value is None.
         :type input: IO or JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str
@@ -348,7 +348,7 @@ def binary_body_with_two_content_types(
 
         :param message: The payload body.
         :type message: IO or JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "application/octet-stream". Default value is None.
         :paramtype content_type: str
         :return: str
@@ -414,7 +414,7 @@ def binary_body_with_three_content_types(
 
         :param message: The payload body.
         :type message: IO or str
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json", "application/octet-stream", and "text/plain". Default value is
          "application/json".
         :paramtype content_type: str
@@ -479,8 +479,8 @@ def put_text_and_json_body(
 
         :param message: The payload body.
         :type message: str or str
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
-         "text/plain" or "application/json". Default value is "application/json".
+        :keyword content_type: Media type of the body sent to the API. Known values are: "text/plain"
+         or "application/json". Default value is "application/json".
         :paramtype content_type: str
         :return: str
         :rtype: str
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/_operations.py
index 6a5f9d070a5..32974eb2c01 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/MediaTypesVersionTolerant/mediatypesversiontolerant/aio/_operations/_operations.py
@@ -49,7 +49,7 @@ async def analyze_body(
 
         :param input: Input parameter. Default value is None.
         :type input: IO or JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str
@@ -128,7 +128,7 @@ async def analyze_body_no_accept_header(  # pylint: disable=inconsistent-return-
 
         :param input: Input parameter. Default value is None.
         :type input: IO or JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/pdf", "image/jpeg", "image/png", "image/tiff", and "application/json". Default
          value is "application/json".
         :paramtype content_type: str
@@ -246,7 +246,7 @@ async def binary_body_with_two_content_types(
 
         :param message: The payload body.
         :type message: IO or JSONType
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json" or "application/octet-stream". Default value is None.
         :paramtype content_type: str
         :return: str
@@ -312,7 +312,7 @@ async def binary_body_with_three_content_types(
 
         :param message: The payload body.
         :type message: IO or str
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
+        :keyword content_type: Media type of the body sent to the API. Known values are:
          "application/json", "application/octet-stream", and "text/plain". Default value is
          "application/json".
         :paramtype content_type: str
@@ -377,8 +377,8 @@ async def put_text_and_json_body(
 
         :param message: The payload body.
         :type message: str or str
-        :keyword content_type: Media type of the body sent to the API. Possible values are:
-         "text/plain" or "application/json". Default value is "application/json".
+        :keyword content_type: Media type of the body sent to the API. Known values are: "text/plain"
+         or "application/json". Default value is "application/json".
         :paramtype content_type: str
         :return: str
         :rtype: str
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/_operations.py
index d02488a3f8a..ca78fa640d0 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/_operations/_operations.py
@@ -303,10 +303,9 @@ def get_array(self, **kwargs: Any) -> List[JSONType]:
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -487,10 +486,9 @@ def put_dictionary(  # pylint: disable=inconsistent-return-statements
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -557,10 +555,9 @@ def get_dictionary(self, **kwargs: Any) -> Dict[str, JSONType]:
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -630,10 +627,10 @@ def put_resource_collection(  # pylint: disable=inconsistent-return-statements
                             "properties": {
                                 "p.name": "str",  # Optional.
                                 "provisioningState": "str",  # Optional.
-                                "provisioningStateValues": "str",  # Optional.
-                                  Possible values include: "Succeeded", "Failed", "canceled",
-                                  "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                                  "Deleted", "OK".
+                                "provisioningStateValues": "str",  # Optional. Known
+                                  values are: "Succeeded", "Failed", "canceled", "Accepted",
+                                  "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                                  "OK".
                                 "type": "str"  # Optional.
                             },
                             "tags": {
@@ -653,10 +650,10 @@ def put_resource_collection(  # pylint: disable=inconsistent-return-statements
                                   :code:`<FlattenedProduct>`.
                                 "provisioningState": "str",  # Optional. Dictionary
                                   of :code:`<FlattenedProduct>`.
-                                "provisioningStateValues": "str",  # Optional.
-                                  Possible values include: "Succeeded", "Failed", "canceled",
-                                  "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                                  "Deleted", "OK".
+                                "provisioningStateValues": "str",  # Optional. Known
+                                  values are: "Succeeded", "Failed", "canceled", "Accepted",
+                                  "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                                  "OK".
                                 "type": "str"  # Optional. Dictionary of
                                   :code:`<FlattenedProduct>`.
                             },
@@ -674,10 +671,9 @@ def put_resource_collection(  # pylint: disable=inconsistent-return-statements
                         "properties": {
                             "p.name": "str",  # Optional. Flattened product.
                             "provisioningState": "str",  # Optional. Flattened product.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional. Flattened product.
                         },
                         "tags": {
@@ -745,10 +741,10 @@ def get_resource_collection(self, **kwargs: Any) -> JSONType:
                             "properties": {
                                 "p.name": "str",  # Optional.
                                 "provisioningState": "str",  # Optional.
-                                "provisioningStateValues": "str",  # Optional.
-                                  Possible values include: "Succeeded", "Failed", "canceled",
-                                  "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                                  "Deleted", "OK".
+                                "provisioningStateValues": "str",  # Optional. Known
+                                  values are: "Succeeded", "Failed", "canceled", "Accepted",
+                                  "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                                  "OK".
                                 "type": "str"  # Optional.
                             },
                             "tags": {
@@ -768,10 +764,10 @@ def get_resource_collection(self, **kwargs: Any) -> JSONType:
                                   :code:`<FlattenedProduct>`.
                                 "provisioningState": "str",  # Optional. Dictionary
                                   of :code:`<FlattenedProduct>`.
-                                "provisioningStateValues": "str",  # Optional.
-                                  Possible values include: "Succeeded", "Failed", "canceled",
-                                  "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                                  "Deleted", "OK".
+                                "provisioningStateValues": "str",  # Optional. Known
+                                  values are: "Succeeded", "Failed", "canceled", "Accepted",
+                                  "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                                  "OK".
                                 "type": "str"  # Optional. Dictionary of
                                   :code:`<FlattenedProduct>`.
                             },
@@ -789,10 +785,9 @@ def get_resource_collection(self, **kwargs: Any) -> JSONType:
                         "properties": {
                             "p.name": "str",  # Optional. Flattened product.
                             "provisioningState": "str",  # Optional. Flattened product.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional. Flattened product.
                         },
                         "tags": {
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/_operations.py
index a5fe0c42be1..beecb10a649 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/ModelFlatteningVersionTolerant/modelflatteningversiontolerant/aio/_operations/_operations.py
@@ -127,10 +127,9 @@ async def get_array(self, **kwargs: Any) -> List[JSONType]:
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -311,10 +310,9 @@ async def put_dictionary(  # pylint: disable=inconsistent-return-statements
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -381,10 +379,9 @@ async def get_dictionary(self, **kwargs: Any) -> Dict[str, JSONType]:
                         "properties": {
                             "p.name": "str",  # Optional.
                             "provisioningState": "str",  # Optional.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional.
                         },
                         "tags": {
@@ -454,10 +451,10 @@ async def put_resource_collection(  # pylint: disable=inconsistent-return-statem
                             "properties": {
                                 "p.name": "str",  # Optional.
                                 "provisioningState": "str",  # Optional.
-                                "provisioningStateValues": "str",  # Optional.
-                                  Possible values include: "Succeeded", "Failed", "canceled",
-                                  "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                                  "Deleted", "OK".
+                                "provisioningStateValues": "str",  # Optional. Known
+                                  values are: "Succeeded", "Failed", "canceled", "Accepted",
+                                  "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                                  "OK".
                                 "type": "str"  # Optional.
                             },
                             "tags": {
@@ -477,10 +474,10 @@ async def put_resource_collection(  # pylint: disable=inconsistent-return-statem
                                   :code:`<FlattenedProduct>`.
                                 "provisioningState": "str",  # Optional. Dictionary
                                   of :code:`<FlattenedProduct>`.
-                                "provisioningStateValues": "str",  # Optional.
-                                  Possible values include: "Succeeded", "Failed", "canceled",
-                                  "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                                  "Deleted", "OK".
+                                "provisioningStateValues": "str",  # Optional. Known
+                                  values are: "Succeeded", "Failed", "canceled", "Accepted",
+                                  "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                                  "OK".
                                 "type": "str"  # Optional. Dictionary of
                                   :code:`<FlattenedProduct>`.
                             },
@@ -498,10 +495,9 @@ async def put_resource_collection(  # pylint: disable=inconsistent-return-statem
                         "properties": {
                             "p.name": "str",  # Optional. Flattened product.
                             "provisioningState": "str",  # Optional. Flattened product.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional. Flattened product.
                         },
                         "tags": {
@@ -569,10 +565,10 @@ async def get_resource_collection(self, **kwargs: Any) -> JSONType:
                             "properties": {
                                 "p.name": "str",  # Optional.
                                 "provisioningState": "str",  # Optional.
-                                "provisioningStateValues": "str",  # Optional.
-                                  Possible values include: "Succeeded", "Failed", "canceled",
-                                  "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                                  "Deleted", "OK".
+                                "provisioningStateValues": "str",  # Optional. Known
+                                  values are: "Succeeded", "Failed", "canceled", "Accepted",
+                                  "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                                  "OK".
                                 "type": "str"  # Optional.
                             },
                             "tags": {
@@ -592,10 +588,10 @@ async def get_resource_collection(self, **kwargs: Any) -> JSONType:
                                   :code:`<FlattenedProduct>`.
                                 "provisioningState": "str",  # Optional. Dictionary
                                   of :code:`<FlattenedProduct>`.
-                                "provisioningStateValues": "str",  # Optional.
-                                  Possible values include: "Succeeded", "Failed", "canceled",
-                                  "Accepted", "Creating", "Created", "Updating", "Updated", "Deleting",
-                                  "Deleted", "OK".
+                                "provisioningStateValues": "str",  # Optional. Known
+                                  values are: "Succeeded", "Failed", "canceled", "Accepted",
+                                  "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
+                                  "OK".
                                 "type": "str"  # Optional. Dictionary of
                                   :code:`<FlattenedProduct>`.
                             },
@@ -613,10 +609,9 @@ async def get_resource_collection(self, **kwargs: Any) -> JSONType:
                         "properties": {
                             "p.name": "str",  # Optional. Flattened product.
                             "provisioningState": "str",  # Optional. Flattened product.
-                            "provisioningStateValues": "str",  # Optional. Possible
-                              values include: "Succeeded", "Failed", "canceled", "Accepted",
-                              "Creating", "Created", "Updating", "Updated", "Deleting", "Deleted",
-                              "OK".
+                            "provisioningStateValues": "str",  # Optional. Known values
+                              are: "Succeeded", "Failed", "canceled", "Accepted", "Creating",
+                              "Created", "Updating", "Updated", "Deleting", "Deleted", "OK".
                             "type": "str"  # Optional. Flattened product.
                         },
                         "tags": {
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/NonStringEnumsVersionTolerant/nonstringenumsversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/NonStringEnumsVersionTolerant/nonstringenumsversiontolerant/aio/operations/_operations.py
index ab77afcc95f..8e665cbbabe 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/NonStringEnumsVersionTolerant/nonstringenumsversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/NonStringEnumsVersionTolerant/nonstringenumsversiontolerant/aio/operations/_operations.py
@@ -54,8 +54,8 @@ def __init__(self, *args, **kwargs) -> None:
     async def put(self, input: Optional[int] = None, **kwargs: Any) -> str:
         """Put an int enum.
 
-        :param input: Input int enum. Possible values are: 200, 403, 405, 406, and 429. Default value
-         is None.
+        :param input: Input int enum. Known values are: 200, 403, 405, 406, and 429. Default value is
+         None.
         :type input: int
         :return: str
         :rtype: str
@@ -108,7 +108,7 @@ async def put(self, input: Optional[int] = None, **kwargs: Any) -> str:
     async def get(self, **kwargs: Any) -> int:
         """Get an int enum.
 
-        :return: int. Possible values are: 200, 403, 405, 406, and 429.
+        :return: int. Known values are: 200, 403, 405, 406, and 429.
         :rtype: int
         :raises: ~azure.core.exceptions.HttpResponseError
 
@@ -173,7 +173,7 @@ def __init__(self, *args, **kwargs) -> None:
     async def put(self, input: Optional[float] = None, **kwargs: Any) -> str:
         """Put a float enum.
 
-        :param input: Input float enum. Possible values are: 200.4, 403.4, 405.3, 406.2, and 429.1.
+        :param input: Input float enum. Known values are: 200.4, 403.4, 405.3, 406.2, and 429.1.
          Default value is None.
         :type input: float
         :return: str
@@ -227,7 +227,7 @@ async def put(self, input: Optional[float] = None, **kwargs: Any) -> str:
     async def get(self, **kwargs: Any) -> float:
         """Get a float enum.
 
-        :return: float. Possible values are: 200.4, 403.4, 405.3, 406.2, and 429.1.
+        :return: float. Known values are: 200.4, 403.4, 405.3, 406.2, and 429.1.
         :rtype: float
         :raises: ~azure.core.exceptions.HttpResponseError
 
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/NonStringEnumsVersionTolerant/nonstringenumsversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/NonStringEnumsVersionTolerant/nonstringenumsversiontolerant/operations/_operations.py
index 24e8a78bb9c..70e83a81e33 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/NonStringEnumsVersionTolerant/nonstringenumsversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/NonStringEnumsVersionTolerant/nonstringenumsversiontolerant/operations/_operations.py
@@ -114,8 +114,8 @@ def __init__(self, *args, **kwargs):
     def put(self, input: Optional[int] = None, **kwargs: Any) -> str:
         """Put an int enum.
 
-        :param input: Input int enum. Possible values are: 200, 403, 405, 406, and 429. Default value
-         is None.
+        :param input: Input int enum. Known values are: 200, 403, 405, 406, and 429. Default value is
+         None.
         :type input: int
         :return: str
         :rtype: str
@@ -168,7 +168,7 @@ def put(self, input: Optional[int] = None, **kwargs: Any) -> str:
     def get(self, **kwargs: Any) -> int:
         """Get an int enum.
 
-        :return: int. Possible values are: 200, 403, 405, 406, and 429.
+        :return: int. Known values are: 200, 403, 405, 406, and 429.
         :rtype: int
         :raises: ~azure.core.exceptions.HttpResponseError
 
@@ -233,7 +233,7 @@ def __init__(self, *args, **kwargs):
     def put(self, input: Optional[float] = None, **kwargs: Any) -> str:
         """Put a float enum.
 
-        :param input: Input float enum. Possible values are: 200.4, 403.4, 405.3, 406.2, and 429.1.
+        :param input: Input float enum. Known values are: 200.4, 403.4, 405.3, 406.2, and 429.1.
          Default value is None.
         :type input: float
         :return: str
@@ -287,7 +287,7 @@ def put(self, input: Optional[float] = None, **kwargs: Any) -> str:
     def get(self, **kwargs: Any) -> float:
         """Get a float enum.
 
-        :return: float. Possible values are: 200.4, 403.4, 405.3, 406.2, and 429.1.
+        :return: float. Known values are: 200.4, 403.4, 405.3, 406.2, and 429.1.
         :rtype: float
         :raises: ~azure.core.exceptions.HttpResponseError
 
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/UrlVersionTolerant/urlversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/UrlVersionTolerant/urlversiontolerant/aio/operations/_operations.py
index df4980bf06f..a69c1d0e33d 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/UrlVersionTolerant/urlversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/UrlVersionTolerant/urlversiontolerant/aio/operations/_operations.py
@@ -707,8 +707,8 @@ async def string_null(  # pylint: disable=inconsistent-return-statements
     async def enum_valid(self, enum_path: str, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """Get using uri with 'green color' in path parameter.
 
-        :param enum_path: send the value green. Possible values are: "red color", "green color", and
-         "blue color".
+        :param enum_path: send the value green. Known values are: "red color", "green color", and "blue
+         color".
         :type enum_path: str
         :return: None
         :rtype: None
@@ -745,7 +745,7 @@ async def enum_valid(self, enum_path: str, **kwargs: Any) -> None:  # pylint: di
     async def enum_null(self, enum_path: str, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """Get null (should throw on the client before the request is sent on wire).
 
-        :param enum_path: send null should throw. Possible values are: "red color", "green color", and
+        :param enum_path: send null should throw. Known values are: "red color", "green color", and
          "blue color".
         :type enum_path: str
         :return: None
@@ -1943,7 +1943,7 @@ async def enum_valid(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Get using uri with query parameter 'green color'.
 
-        :keyword enum_query: 'green color' enum value. Possible values are: "red color", "green color",
+        :keyword enum_query: 'green color' enum value. Known values are: "red color", "green color",
          and "blue color". Default value is None.
         :paramtype enum_query: str
         :return: None
@@ -1983,8 +1983,8 @@ async def enum_null(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Get null (no query parameter in url).
 
-        :keyword enum_query: null string value. Possible values are: "red color", "green color", and
-         "blue color". Default value is None.
+        :keyword enum_query: null string value. Known values are: "red color", "green color", and "blue
+         color". Default value is None.
         :paramtype enum_query: str
         :return: None
         :rtype: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/UrlVersionTolerant/urlversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/UrlVersionTolerant/urlversiontolerant/operations/_operations.py
index 70915f8662d..55f62450e07 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/UrlVersionTolerant/urlversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/UrlVersionTolerant/urlversiontolerant/operations/_operations.py
@@ -2011,8 +2011,8 @@ def string_null(self, string_path: str, **kwargs: Any) -> None:  # pylint: disab
     def enum_valid(self, enum_path: str, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """Get using uri with 'green color' in path parameter.
 
-        :param enum_path: send the value green. Possible values are: "red color", "green color", and
-         "blue color".
+        :param enum_path: send the value green. Known values are: "red color", "green color", and "blue
+         color".
         :type enum_path: str
         :return: None
         :rtype: None
@@ -2049,7 +2049,7 @@ def enum_valid(self, enum_path: str, **kwargs: Any) -> None:  # pylint: disable=
     def enum_null(self, enum_path: str, **kwargs: Any) -> None:  # pylint: disable=inconsistent-return-statements
         """Get null (should throw on the client before the request is sent on wire).
 
-        :param enum_path: send null should throw. Possible values are: "red color", "green color", and
+        :param enum_path: send null should throw. Known values are: "red color", "green color", and
          "blue color".
         :type enum_path: str
         :return: None
@@ -3243,7 +3243,7 @@ def enum_valid(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Get using uri with query parameter 'green color'.
 
-        :keyword enum_query: 'green color' enum value. Possible values are: "red color", "green color",
+        :keyword enum_query: 'green color' enum value. Known values are: "red color", "green color",
          and "blue color". Default value is None.
         :paramtype enum_query: str
         :return: None
@@ -3283,8 +3283,8 @@ def enum_null(  # pylint: disable=inconsistent-return-statements
     ) -> None:
         """Get null (no query parameter in url).
 
-        :keyword enum_query: null string value. Possible values are: "red color", "green color", and
-         "blue color". Default value is None.
+        :keyword enum_query: null string value. Known values are: "red color", "green color", and "blue
+         color". Default value is None.
         :paramtype enum_query: str
         :return: None
         :rtype: None
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/XmlVersionTolerant/xmlserviceversiontolerant/aio/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/XmlVersionTolerant/xmlserviceversiontolerant/aio/operations/_operations.py
index fffda0b15db..df7520d3ddb 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/XmlVersionTolerant/xmlserviceversiontolerant/aio/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/XmlVersionTolerant/xmlserviceversiontolerant/aio/operations/_operations.py
@@ -1276,14 +1276,14 @@ async def list_containers(self, **kwargs: Any) -> ET.Element:
                             "Properties": {
                                 "Etag": "str",  # Required.
                                 "Last-Modified": "2020-02-20 00:00:00",  # Required.
-                                "LeaseDuration": "str",  # Optional. Possible values
-                                  include: "infinite", "fixed".
-                                "LeaseState": "str",  # Optional. Possible values
-                                  include: "available", "leased", "expired", "breaking", "broken".
-                                "LeaseStatus": "str",  # Optional. Possible values
-                                  include: "locked", "unlocked".
-                                "PublicAccess": "str"  # Optional. Possible values
-                                  include: "container", "blob".
+                                "LeaseDuration": "str",  # Optional. Known values
+                                  are: "infinite", "fixed".
+                                "LeaseState": "str",  # Optional. Known values are:
+                                  "available", "leased", "expired", "breaking", "broken".
+                                "LeaseStatus": "str",  # Optional. Known values are:
+                                  "locked", "unlocked".
+                                "PublicAccess": "str"  # Optional. Known values are:
+                                  "container", "blob".
                             }
                         }
                     ],
@@ -1774,16 +1774,16 @@ async def list_blobs(self, **kwargs: Any) -> ET.Element:
                                 },
                                 "Name": "str",  # Required.
                                 "Properties": {
-                                    "AccessTier": "str",  # Optional. Possible
-                                      values include: "P4", "P6", "P10", "P20", "P30", "P40", "P50",
-                                      "Hot", "Cool", "Archive".
+                                    "AccessTier": "str",  # Optional. Known
+                                      values are: "P4", "P6", "P10", "P20", "P30", "P40", "P50", "Hot",
+                                      "Cool", "Archive".
                                     "AccessTierInferred": bool,  # Optional.
                                       Required. Properties of a blob.
-                                    "ArchiveStatus": "str",  # Optional. Possible
-                                      values include: "rehydrate-pending-to-hot",
+                                    "ArchiveStatus": "str",  # Optional. Known
+                                      values are: "rehydrate-pending-to-hot",
                                       "rehydrate-pending-to-cool".
-                                    "BlobType": "str",  # Optional. Possible
-                                      values include: "BlockBlob", "PageBlob", "AppendBlob".
+                                    "BlobType": "str",  # Optional. Known values
+                                      are: "BlockBlob", "PageBlob", "AppendBlob".
                                     "Cache-Control": "str",  # Optional.
                                       Required. Properties of a blob.
                                     "Content-Disposition": "str",  # Optional.
@@ -1806,8 +1806,8 @@ async def list_blobs(self, **kwargs: Any) -> ET.Element:
                                       Properties of a blob.
                                     "CopySource": "str",  # Optional. Required.
                                       Properties of a blob.
-                                    "CopyStatus": "str",  # Optional. Possible
-                                      values include: "pending", "success", "aborted", "failed".
+                                    "CopyStatus": "str",  # Optional. Known
+                                      values are: "pending", "success", "aborted", "failed".
                                     "CopyStatusDescription": "str",  # Optional.
                                       Required. Properties of a blob.
                                     "DeletedTime": "2020-02-20 00:00:00",  #
@@ -1819,13 +1819,13 @@ async def list_blobs(self, **kwargs: Any) -> ET.Element:
                                       Required. Properties of a blob.
                                     "Last-Modified": "2020-02-20 00:00:00",  #
                                       Required.
-                                    "LeaseDuration": "str",  # Optional. Possible
-                                      values include: "infinite", "fixed".
-                                    "LeaseState": "str",  # Optional. Possible
-                                      values include: "available", "leased", "expired", "breaking",
+                                    "LeaseDuration": "str",  # Optional. Known
+                                      values are: "infinite", "fixed".
+                                    "LeaseState": "str",  # Optional. Known
+                                      values are: "available", "leased", "expired", "breaking",
                                       "broken".
-                                    "LeaseStatus": "str",  # Optional. Possible
-                                      values include: "locked", "unlocked".
+                                    "LeaseStatus": "str",  # Optional. Known
+                                      values are: "locked", "unlocked".
                                     "RemainingRetentionDays": 0,  # Optional.
                                       Required. Properties of a blob.
                                     "ServerEncrypted": bool,  # Optional.
diff --git a/test/vanilla/version-tolerant/Expected/AcceptanceTests/XmlVersionTolerant/xmlserviceversiontolerant/operations/_operations.py b/test/vanilla/version-tolerant/Expected/AcceptanceTests/XmlVersionTolerant/xmlserviceversiontolerant/operations/_operations.py
index af61187a374..9e107dafe8c 100644
--- a/test/vanilla/version-tolerant/Expected/AcceptanceTests/XmlVersionTolerant/xmlserviceversiontolerant/operations/_operations.py
+++ b/test/vanilla/version-tolerant/Expected/AcceptanceTests/XmlVersionTolerant/xmlserviceversiontolerant/operations/_operations.py
@@ -1765,14 +1765,14 @@ def list_containers(self, **kwargs: Any) -> ET.Element:
                             "Properties": {
                                 "Etag": "str",  # Required.
                                 "Last-Modified": "2020-02-20 00:00:00",  # Required.
-                                "LeaseDuration": "str",  # Optional. Possible values
-                                  include: "infinite", "fixed".
-                                "LeaseState": "str",  # Optional. Possible values
-                                  include: "available", "leased", "expired", "breaking", "broken".
-                                "LeaseStatus": "str",  # Optional. Possible values
-                                  include: "locked", "unlocked".
-                                "PublicAccess": "str"  # Optional. Possible values
-                                  include: "container", "blob".
+                                "LeaseDuration": "str",  # Optional. Known values
+                                  are: "infinite", "fixed".
+                                "LeaseState": "str",  # Optional. Known values are:
+                                  "available", "leased", "expired", "breaking", "broken".
+                                "LeaseStatus": "str",  # Optional. Known values are:
+                                  "locked", "unlocked".
+                                "PublicAccess": "str"  # Optional. Known values are:
+                                  "container", "blob".
                             }
                         }
                     ],
@@ -2261,16 +2261,16 @@ def list_blobs(self, **kwargs: Any) -> ET.Element:
                                 },
                                 "Name": "str",  # Required.
                                 "Properties": {
-                                    "AccessTier": "str",  # Optional. Possible
-                                      values include: "P4", "P6", "P10", "P20", "P30", "P40", "P50",
-                                      "Hot", "Cool", "Archive".
+                                    "AccessTier": "str",  # Optional. Known
+                                      values are: "P4", "P6", "P10", "P20", "P30", "P40", "P50", "Hot",
+                                      "Cool", "Archive".
                                     "AccessTierInferred": bool,  # Optional.
                                       Required. Properties of a blob.
-                                    "ArchiveStatus": "str",  # Optional. Possible
-                                      values include: "rehydrate-pending-to-hot",
+                                    "ArchiveStatus": "str",  # Optional. Known
+                                      values are: "rehydrate-pending-to-hot",
                                       "rehydrate-pending-to-cool".
-                                    "BlobType": "str",  # Optional. Possible
-                                      values include: "BlockBlob", "PageBlob", "AppendBlob".
+                                    "BlobType": "str",  # Optional. Known values
+                                      are: "BlockBlob", "PageBlob", "AppendBlob".
                                     "Cache-Control": "str",  # Optional.
                                       Required. Properties of a blob.
                                     "Content-Disposition": "str",  # Optional.
@@ -2293,8 +2293,8 @@ def list_blobs(self, **kwargs: Any) -> ET.Element:
                                       Properties of a blob.
                                     "CopySource": "str",  # Optional. Required.
                                       Properties of a blob.
-                                    "CopyStatus": "str",  # Optional. Possible
-                                      values include: "pending", "success", "aborted", "failed".
+                                    "CopyStatus": "str",  # Optional. Known
+                                      values are: "pending", "success", "aborted", "failed".
                                     "CopyStatusDescription": "str",  # Optional.
                                       Required. Properties of a blob.
                                     "DeletedTime": "2020-02-20 00:00:00",  #
@@ -2306,13 +2306,13 @@ def list_blobs(self, **kwargs: Any) -> ET.Element:
                                       Required. Properties of a blob.
                                     "Last-Modified": "2020-02-20 00:00:00",  #
                                       Required.
-                                    "LeaseDuration": "str",  # Optional. Possible
-                                      values include: "infinite", "fixed".
-                                    "LeaseState": "str",  # Optional. Possible
-                                      values include: "available", "leased", "expired", "breaking",
+                                    "LeaseDuration": "str",  # Optional. Known
+                                      values are: "infinite", "fixed".
+                                    "LeaseState": "str",  # Optional. Known
+                                      values are: "available", "leased", "expired", "breaking",
                                       "broken".
-                                    "LeaseStatus": "str",  # Optional. Possible
-                                      values include: "locked", "unlocked".
+                                    "LeaseStatus": "str",  # Optional. Known
+                                      values are: "locked", "unlocked".
                                     "RemainingRetentionDays": 0,  # Optional.
                                       Required. Properties of a blob.
                                     "ServerEncrypted": bool,  # Optional.