Remove all uses of freeze

packages/cinterop/src/nativeDarwin/kotlin/io/realm/kotlin/internal/interop/RealmInterop.kt

@@ -133,11 +133,6 @@ import realm_wrapper.realm_version_id_t
 import kotlin.collections.set
 import kotlin.native.internal.createCleaner
 
-private inline fun <T> T.freeze(): T {
-    // Disable freeze in 1.7.20
-    return this
-}
-
 @SharedImmutable
 actual val INVALID_CLASS_KEY: ClassKey by lazy { ClassKey(realm_wrapper.RLM_INVALID_CLASS_KEY.toLong()) }
 @SharedImmutable
@@ -185,7 +180,7 @@ class CPointerWrapper<T : CapiT>(ptr: CPointer<out CPointed>?, managed: Boolean
 
     @OptIn(ExperimentalStdlibApi::class)
     val cleaner = if (managed) {
-        createCleaner(_ptr.freeze()) {
+        createCleaner(_ptr) {
             if (released.compareAndSet(expect = false, update = true)) {
                 realm_release(ptr)
             }
@@ -482,7 +477,7 @@ actual object RealmInterop {
         val callback = DataInitializationCallback {
             fileCreated.value = true
             true
-        }.freeze()
+        }
         realm_wrapper.realm_config_set_data_initialization_function(
             config.cptr(),
             staticCFunction { userdata, _ ->
@@ -2270,7 +2265,7 @@ actual object RealmInterop {
                 val threadId = safeUserData<String>(userdata)
                 throw Error("[SyncThread-$threadId] Error on sync thread: ${error?.toKString()}")
             },
-            user_data = StableRef.create(appId.freeze()).asCPointer(),
+            user_data = StableRef.create(appId).asCPointer(),
             free_userdata = staticCFunction { userdata ->
                 disposeUserData<String>(userdata)
             }
@@ -2294,7 +2289,7 @@ actual object RealmInterop {
                 val userDataLogCallback = safeUserData<SyncLogCallback>(userData)
                 userDataLogCallback.log(logLevel.toShort(), message?.toKString())
             },
-            StableRef.create(callback.freeze()).asCPointer(),
+            StableRef.create(callback).asCPointer(),
             staticCFunction { userData -> disposeUserData<() -> SyncLogCallback>(userData) }
         )
     }
@@ -2427,7 +2422,7 @@ actual object RealmInterop {
                     false
                 }
             },
-            StableRef.create(beforeHandler.freeze()).asCPointer(),
+            StableRef.create(beforeHandler).asCPointer(),
             staticCFunction { userdata ->
                 disposeUserData<SyncBeforeClientResetHandler>(userdata)
             }
@@ -2457,7 +2452,7 @@ actual object RealmInterop {
                     false
                 }
             },
-            StableRef.create(afterHandler.freeze()).asCPointer(),
+            StableRef.create(afterHandler).asCPointer(),
             staticCFunction { userdata ->
                 disposeUserData<SyncAfterClientResetHandler>(userdata)
             }
@@ -3258,7 +3253,7 @@ actual object RealmInterop {
             )
         ) ?: error("Couldn't create scheduler")
         scheduler.set_scheduler(capi_scheduler)
-        scheduler.freeze()
+        scheduler
         return capi_scheduler
     }
 
@@ -3380,7 +3375,7 @@ actual object RealmInterop {
             scope.launch(
                 scope.coroutineContext,
                 CoroutineStart.DEFAULT,
-                function.freeze()
+                function
             )
         }
     }

packages/library-base/src/commonMain/kotlin/io/realm/kotlin/internal/ConfigurationImpl.kt

@@ -36,7 +36,6 @@ import io.realm.kotlin.internal.interop.RealmInterop
 import io.realm.kotlin.internal.interop.RealmSchemaPointer
 import io.realm.kotlin.internal.interop.SchemaMode
 import io.realm.kotlin.internal.platform.appFilesDirectory
-import io.realm.kotlin.internal.platform.freeze
 import io.realm.kotlin.internal.platform.prepareRealmFilePath
 import io.realm.kotlin.internal.platform.realmObjectCompanionOrThrow
 import io.realm.kotlin.internal.util.CoroutineDispatcherFactory
@@ -139,7 +138,7 @@ public open class ConfigurationImpl constructor(
                 override fun invoke(totalBytes: Long, usedBytes: Long): Boolean {
                     return callback.shouldCompact(totalBytes, usedBytes)
                 }
-            }.freeze()
+            }
         }
 
         // We need to prepare the the migration callback so it can be frozen for Kotlin Native, but
@@ -208,7 +207,7 @@ public open class ConfigurationImpl constructor(
             )
 
             migrationCallback?.let {
-                RealmInterop.realm_config_set_migration_function(nativeConfig, it.freeze())
+                RealmInterop.realm_config_set_migration_function(nativeConfig, it)
             }
 
             userEncryptionKey?.let { key: ByteArray ->

packages/library-base/src/commonMain/kotlin/io/realm/kotlin/internal/platform/SystemUtils.kt

@@ -106,30 +106,6 @@ public expect fun prepareRealmFilePath(directoryPath: String, filename: String):
  */
 public expect fun createDefaultSystemLogger(tag: String, logLevel: LogLevel = LogLevel.NONE): RealmLogger
 
-/**
- * Method to freeze state.
- * Calls the platform implementation of 'freeze' on native, and is a noop on other platforms.
- *
- * Note, this method refers to Kotlin Natives notion of frozen objects, and not Realms variant
- * of frozen objects.
- *
- * From Kotlin 1.7.20 freeze is deprecated, so this is a no-op on all platforms.
- */
-public expect fun <T> T.freeze(): T
-
-/**
- * Determine if object is frozen.
- * Will return false on non-native platforms.
- */
-public expect val <T> T.isFrozen: Boolean
-
-/**
- * Call on an object which should never be frozen.
- * Will help debug when something inadvertently is.
- * This is a noop on non-native platforms.
- */
-public expect fun Any.ensureNeverFrozen()
-
 /**
  * Return the current thread id.
  */

packages/library-base/src/jvm/kotlin/io/realm/kotlin/internal/platform/SystemUtils.kt

@@ -27,13 +27,6 @@ internal actual fun currentTime(): RealmInstant {
     return RealmInstantImpl(jtInstant.epochSecond, jtInstant.nano)
 }
 
-public actual fun <T> T.freeze(): T = this
-
-public actual val <T> T.isFrozen: Boolean
-    get() = false
-
-public actual fun Any.ensureNeverFrozen() { /* Do nothing */ }
-
 public actual fun fileExists(path: String): Boolean =
     File(path).let { it.exists() && it.isFile }
 

packages/library-base/src/nativeDarwin/kotlin/io/realm/kotlin/internal/platform/SystemUtils.kt

@@ -72,15 +72,6 @@ internal actual fun currentTime(): RealmInstant {
     }
 }
 
-public actual fun <T> T.freeze(): T = this
-
-public actual val <T> T.isFrozen: Boolean
-    get() = false
-
-public actual fun Any.ensureNeverFrozen() {
-    /* Do nothing */
-}
-
 public actual fun fileExists(path: String): Boolean {
     val fm = platform.Foundation.NSFileManager.defaultManager
     memScoped {

packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/AppConfiguration.kt

@@ -28,7 +28,6 @@ import io.realm.kotlin.internal.platform.canWrite
 import io.realm.kotlin.internal.platform.createDefaultSystemLogger
 import io.realm.kotlin.internal.platform.directoryExists
 import io.realm.kotlin.internal.platform.fileExists
-import io.realm.kotlin.internal.platform.freeze
 import io.realm.kotlin.internal.platform.prepareRealmDirectoryPath
 import io.realm.kotlin.internal.util.CoroutineDispatcherFactory
 import io.realm.kotlin.internal.util.Validation
@@ -284,7 +283,7 @@ public interface AppConfiguration {
                             appLogger.debug(message)
                         }
                     }
-                ).freeze() // Kotlin network client needs to be frozen before passed to the C-API
+                )
             }
 
             return AppConfigurationImpl(

packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/ApiKeyAuthImpl.kt

@@ -19,7 +19,6 @@ import io.realm.kotlin.ext.asBsonObjectId
 import io.realm.kotlin.internal.interop.ErrorCode
 import io.realm.kotlin.internal.interop.RealmInterop
 import io.realm.kotlin.internal.interop.sync.ApiKeyWrapper
-import io.realm.kotlin.internal.platform.freeze
 import io.realm.kotlin.internal.util.use
 import io.realm.kotlin.mongodb.auth.ApiKey
 import io.realm.kotlin.mongodb.auth.ApiKeyAuth
@@ -48,7 +47,7 @@ internal class ApiKeyAuthImpl(override val app: AppImpl, override val user: User
                     name,
                     channelResultCallback<ApiKeyWrapper, ApiKey>(channel) { apiKeyData ->
                         unwrap(apiKeyData)
-                    }.freeze()
+                    }
                 )
                 return channel.receive()
                     .getOrThrow()
@@ -76,7 +75,7 @@ internal class ApiKeyAuthImpl(override val app: AppImpl, override val user: User
                     id,
                     channelResultCallback<Unit, Unit>(channel) {
                         // No-op
-                    }.freeze()
+                    }
                 )
                 return channel.receive().getOrThrow()
             }
@@ -100,7 +99,7 @@ internal class ApiKeyAuthImpl(override val app: AppImpl, override val user: User
                     id,
                     channelResultCallback<Unit, Unit>(channel) {
                         // No-op
-                    }.freeze()
+                    }
                 )
                 return channel.receive()
                     .getOrThrow()
@@ -125,7 +124,7 @@ internal class ApiKeyAuthImpl(override val app: AppImpl, override val user: User
                     id,
                     channelResultCallback<Unit, Unit>(channel) {
                         // No-op
-                    }.freeze()
+                    }
                 )
                 return channel.receive()
                     .getOrThrow()
@@ -150,7 +149,7 @@ internal class ApiKeyAuthImpl(override val app: AppImpl, override val user: User
                     id,
                     channelResultCallback<ApiKeyWrapper, ApiKey?>(channel) { apiKeyData: ApiKeyWrapper ->
                         unwrap(apiKeyData)
-                    }.freeze()
+                    }
                 )
                 return channel.receive()
                     .getOrThrow()
@@ -177,7 +176,7 @@ internal class ApiKeyAuthImpl(override val app: AppImpl, override val user: User
                         )
                     }
                     result
-                }.freeze()
+                }
             )
             return channel.receive()
                 .getOrThrow()

packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/AppConfigurationImpl.kt

@@ -35,7 +35,6 @@ import io.realm.kotlin.internal.platform.OS_VERSION
 import io.realm.kotlin.internal.platform.RUNTIME
 import io.realm.kotlin.internal.platform.RUNTIME_VERSION
 import io.realm.kotlin.internal.platform.appFilesDirectory
-import io.realm.kotlin.internal.platform.freeze
 import io.realm.kotlin.mongodb.AppConfiguration
 import io.realm.kotlin.mongodb.AppConfiguration.Companion.DEFAULT_BASE_URL
 
@@ -135,7 +134,7 @@ public class AppConfigurationImpl constructor(
                 framework = RUNTIME,
                 frameworkVersion = RUNTIME_VERSION
             )
-        ).freeze()
+        )
     }
 
     private fun initializeSyncClientConfig(sdkInfo: String?, applicationInfo: String?): RealmSyncClientConfigurationPointer =

packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/AppImpl.kt

@@ -22,7 +22,6 @@ import io.realm.kotlin.internal.interop.RealmAppT
 import io.realm.kotlin.internal.interop.RealmInterop
 import io.realm.kotlin.internal.interop.RealmUserPointer
 import io.realm.kotlin.internal.interop.sync.NetworkTransport
-import io.realm.kotlin.internal.platform.freeze
 import io.realm.kotlin.internal.util.Validation
 import io.realm.kotlin.internal.util.use
 import io.realm.kotlin.mongodb.App
@@ -71,7 +70,7 @@ public class AppImpl(
                 Validation.checkType<CredentialsImpl>(credentials, "credentials").nativePointer,
                 channelResultCallback<RealmUserPointer, User>(channel) { userPointer ->
                     UserImpl(userPointer, this)
-                }.freeze()
+                }
             )
             return channel.receive()
                 .getOrThrow()

packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/EmailPasswordAuthImpl.kt

@@ -2,7 +2,6 @@ package io.realm.kotlin.mongodb.internal
 
 import io.realm.kotlin.internal.interop.RealmAppPointer
 import io.realm.kotlin.internal.interop.RealmInterop
-import io.realm.kotlin.internal.platform.freeze
 import io.realm.kotlin.internal.util.Validation
 import io.realm.kotlin.internal.util.use
 import io.realm.kotlin.mongodb.auth.EmailPasswordAuth
@@ -20,7 +19,7 @@ internal class EmailPasswordAuthImpl(private val app: RealmAppPointer) : EmailPa
                 Validation.checkEmpty(password, "password"),
                 channelResultCallback<Unit, Unit>(channel) {
                     // No-op
-                }.freeze()
+                }
             )
             return channel.receive()
                 .getOrThrow()
@@ -35,7 +34,7 @@ internal class EmailPasswordAuthImpl(private val app: RealmAppPointer) : EmailPa
                 Validation.checkEmpty(tokenId, "tokenId"),
                 channelResultCallback<Unit, Unit>(channel) {
                     // No-op
-                }.freeze()
+                }
             )
             return channel.receive()
                 .getOrThrow()
@@ -49,7 +48,7 @@ internal class EmailPasswordAuthImpl(private val app: RealmAppPointer) : EmailPa
                 Validation.checkEmpty(email, "email"),
                 channelResultCallback<Unit, Unit>(channel) {
                     // No-op
-                }.freeze()
+                }
             )
             return channel.receive()
                 .getOrThrow()
@@ -63,7 +62,7 @@ internal class EmailPasswordAuthImpl(private val app: RealmAppPointer) : EmailPa
                 Validation.checkEmpty(email, "email"),
                 channelResultCallback<Unit, Unit>(channel) {
                     // No-op
-                }.freeze()
+                }
             )
             return channel.receive()
                 .getOrThrow()
@@ -77,7 +76,7 @@ internal class EmailPasswordAuthImpl(private val app: RealmAppPointer) : EmailPa
                 Validation.checkEmpty(email, "email"),
                 channelResultCallback<Unit, Unit>(channel) {
                     // No-op
-                }.freeze()
+                }
             )
             return channel.receive()
                 .getOrThrow()
@@ -94,7 +93,7 @@ internal class EmailPasswordAuthImpl(private val app: RealmAppPointer) : EmailPa
                     Bson.toJson(bsonValue),
                     channelResultCallback<Unit, Unit>(channel) {
                         // No-op
-                    }.freeze()
+                    }
                 )
             }
             return channel.receive()
@@ -111,7 +110,7 @@ internal class EmailPasswordAuthImpl(private val app: RealmAppPointer) : EmailPa
                 Validation.checkEmpty(tokenId, "tokenId"),
                 channelResultCallback<Unit, Unit>(channel) {
                     // No-op
-                }.freeze()
+                }
             )
             return channel.receive()
                 .getOrThrow()

packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/HttpClientCache.kt

@@ -6,7 +6,6 @@ import io.ktor.client.plugins.HttpTimeout
 import io.ktor.client.plugins.logging.LogLevel
 import io.ktor.client.plugins.logging.Logger
 import io.ktor.client.plugins.logging.Logging
-import io.realm.kotlin.internal.platform.freeze
 
 /**
  * Work-around for https://github.com/realm/realm-kotlin/issues/480
@@ -18,7 +17,7 @@ internal fun createClient(timeoutMs: Long, customLogger: Logger?): HttpClient {
     // Need to freeze value as it is used inside the client's init lambda block, which also
     // freezes captured objects too, see:
     // https://youtrack.jetbrains.com/issue/KTOR-1223#focus=Comments-27-4618681.0-0
-    val frozenTimeout = timeoutMs.freeze()
+    val frozenTimeout = timeoutMs
     return createPlatformClient {
         // Charset defaults to UTF-8 (https://ktor.io/docs/http-plain-text.html#configuration)
 

packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/SubscriptionSetImpl.kt

@@ -24,7 +24,6 @@ import io.realm.kotlin.internal.interop.RealmInterop
 import io.realm.kotlin.internal.interop.RealmSubscriptionSetPointer
 import io.realm.kotlin.internal.interop.SubscriptionSetCallback
 import io.realm.kotlin.internal.interop.sync.CoreSubscriptionSetState
-import io.realm.kotlin.internal.platform.freeze
 import io.realm.kotlin.internal.util.Validation
 import io.realm.kotlin.mongodb.exceptions.BadFlexibleSyncQueryException
 import io.realm.kotlin.mongodb.sync.MutableSubscriptionSet
@@ -100,7 +99,7 @@ internal class SubscriptionSetImpl<T : BaseRealm>(
                                 }
                             }
                         }
-                    }.freeze()
+                    }
                     RealmInterop.realm_sync_on_subscriptionset_state_change_async(
                         nativePointer,
                         CoreSubscriptionSetState.RLM_SYNC_SUBSCRIPTION_COMPLETE,