diff --git a/protos/google/spanner/admin/database/v1/backup.proto b/protos/google/spanner/admin/database/v1/backup.proto
index fce69a2f3..bb8ef4d55 100644
--- a/protos/google/spanner/admin/database/v1/backup.proto
+++ b/protos/google/spanner/admin/database/v1/backup.proto
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -51,14 +51,14 @@ message Backup {
     READY = 2;
   }
 
-  // Required for the [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup] operation.
-  // Name of the database from which this backup was
-  // created. This needs to be in the same instance as the backup.
-  // Values are of the form
+  // Required for the
+  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+  // operation. Name of the database from which this backup was created. This
+  // needs to be in the same instance as the backup. Values are of the form
   // `projects/<project>/instances/<instance>/databases/<database>`.
   string database = 2 [(google.api.resource_reference) = {
-                         type: "spanner.googleapis.com/Database"
-                       }];
+    type: "spanner.googleapis.com/Database"
+  }];
 
   // The backup will contain an externally consistent copy of the database at
   // the timestamp specified by `version_time`. If `version_time` is not
@@ -66,7 +66,8 @@ message Backup {
   // backup.
   google.protobuf.Timestamp version_time = 9;
 
-  // Required for the [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+  // Required for the
+  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
   // operation. The expiration time of the backup, with microseconds
   // granularity that must be at least 6 hours and at most 366 days
   // from the time the CreateBackup request is processed. Once the `expire_time`
@@ -74,8 +75,11 @@ message Backup {
   // Spanner to free the resources used by the backup.
   google.protobuf.Timestamp expire_time = 3;
 
-  // Output only for the [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup] operation.
-  // Required for the [UpdateBackup][google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackup] operation.
+  // Output only for the
+  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+  // operation. Required for the
+  // [UpdateBackup][google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackup]
+  // operation.
   //
   // A globally unique identifier for the backup which cannot be
   // changed. Values are of the form
@@ -89,10 +93,12 @@ message Backup {
   // `projects/<project>/instances/<instance>`.
   string name = 1;
 
-  // Output only. The time the [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+  // Output only. The time the
+  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
   // request is received. If the request does not specify `version_time`, the
   // `version_time` of the backup will be equivalent to the `create_time`.
-  google.protobuf.Timestamp create_time = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
+  google.protobuf.Timestamp create_time = 4
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. Size of the backup in bytes.
   int64 size_bytes = 5 [(google.api.field_behavior) = OUTPUT_ONLY];
@@ -115,10 +121,21 @@ message Backup {
   ];
 
   // Output only. The encryption information for the backup.
-  EncryptionInfo encryption_info = 8 [(google.api.field_behavior) = OUTPUT_ONLY];
+  EncryptionInfo encryption_info = 8
+      [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The encryption information for the backup, whether it is
+  // protected by one or more KMS keys. The information includes all Cloud
+  // KMS key versions used to encrypt the backup. The `encryption_status' field
+  // inside of each `EncryptionInfo` is not populated. At least one of the key
+  // versions must be available for the backup to be restored. If a key version
+  // is revoked in the middle of a restore, the restore behavior is undefined.
+  repeated EncryptionInfo encryption_information = 13
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. The database dialect information for the backup.
-  DatabaseDialect database_dialect = 10 [(google.api.field_behavior) = OUTPUT_ONLY];
+  DatabaseDialect database_dialect = 10
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. The names of the destination backups being created by copying
   // this source backup. The backup names are of the form
@@ -129,9 +146,7 @@ message Backup {
   // destination backup is deleted), the reference to the backup is removed.
   repeated string referencing_backups = 11 [
     (google.api.field_behavior) = OUTPUT_ONLY,
-    (google.api.resource_reference) = {
-      type: "spanner.googleapis.com/Backup"
-    }
+    (google.api.resource_reference) = { type: "spanner.googleapis.com/Backup" }
   ];
 
   // Output only. The max allowed expiration time of the backup, with
@@ -139,10 +154,12 @@ message Backup {
   // multiple APIs: CreateBackup, UpdateBackup, CopyBackup. When updating or
   // copying an existing backup, the expiration time specified must be
   // less than `Backup.max_expire_time`.
-  google.protobuf.Timestamp max_expire_time = 12 [(google.api.field_behavior) = OUTPUT_ONLY];
+  google.protobuf.Timestamp max_expire_time = 12
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
-// The request for [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup].
+// The request for
+// [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup].
 message CreateBackupRequest {
   // Required. The name of the instance in which the backup will be
   // created. This must be the same instance that contains the database the
@@ -165,29 +182,31 @@ message CreateBackupRequest {
   // Required. The backup to create.
   Backup backup = 3 [(google.api.field_behavior) = REQUIRED];
 
-  // Optional. The encryption configuration used to encrypt the backup. If this field is
-  // not specified, the backup will use the same
-  // encryption configuration as the database by default, namely
-  // [encryption_type][google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type] =
-  // `USE_DATABASE_ENCRYPTION`.
-  CreateBackupEncryptionConfig encryption_config = 4 [(google.api.field_behavior) = OPTIONAL];
+  // Optional. The encryption configuration used to encrypt the backup. If this
+  // field is not specified, the backup will use the same encryption
+  // configuration as the database by default, namely
+  // [encryption_type][google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type]
+  // = `USE_DATABASE_ENCRYPTION`.
+  CreateBackupEncryptionConfig encryption_config = 4
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Metadata type for the operation returned by
 // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup].
 message CreateBackupMetadata {
   // The name of the backup being created.
-  string name = 1 [(google.api.resource_reference) = {
-                     type: "spanner.googleapis.com/Backup"
-                   }];
+  string name = 1 [
+    (google.api.resource_reference) = { type: "spanner.googleapis.com/Backup" }
+  ];
 
   // The name of the database the backup is created from.
   string database = 2 [(google.api.resource_reference) = {
-                         type: "spanner.googleapis.com/Database"
-                       }];
+    type: "spanner.googleapis.com/Database"
+  }];
 
   // The progress of the
-  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup] operation.
+  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+  // operation.
   OperationProgress progress = 3;
 
   // The time at which cancellation of this operation was received.
@@ -205,10 +224,11 @@ message CreateBackupMetadata {
   google.protobuf.Timestamp cancel_time = 4;
 }
 
-// The request for [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup].
+// The request for
+// [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup].
 message CopyBackupRequest {
-  // Required. The name of the destination instance that will contain the backup copy.
-  // Values are of the form: `projects/<project>/instances/<instance>`.
+  // Required. The name of the destination instance that will contain the backup
+  // copy. Values are of the form: `projects/<project>/instances/<instance>`.
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -229,9 +249,7 @@ message CopyBackupRequest {
   // `projects/<project>/instances/<instance>/backups/<backup>`.
   string source_backup = 3 [
     (google.api.field_behavior) = REQUIRED,
-    (google.api.resource_reference) = {
-      type: "spanner.googleapis.com/Backup"
-    }
+    (google.api.resource_reference) = { type: "spanner.googleapis.com/Backup" }
   ];
 
   // Required. The expiration time of the backup in microsecond granularity.
@@ -239,35 +257,38 @@ message CopyBackupRequest {
   // from the `create_time` of the source backup. Once the `expire_time` has
   // passed, the backup is eligible to be automatically deleted by Cloud Spanner
   // to free the resources used by the backup.
-  google.protobuf.Timestamp expire_time = 4 [(google.api.field_behavior) = REQUIRED];
-
-  // Optional. The encryption configuration used to encrypt the backup. If this field is
-  // not specified, the backup will use the same
-  // encryption configuration as the source backup by default, namely
-  // [encryption_type][google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type] =
-  // `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
-  CopyBackupEncryptionConfig encryption_config = 5 [(google.api.field_behavior) = OPTIONAL];
+  google.protobuf.Timestamp expire_time = 4
+      [(google.api.field_behavior) = REQUIRED];
+
+  // Optional. The encryption configuration used to encrypt the backup. If this
+  // field is not specified, the backup will use the same encryption
+  // configuration as the source backup by default, namely
+  // [encryption_type][google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type]
+  // = `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
+  CopyBackupEncryptionConfig encryption_config = 5
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
-// Metadata type for the google.longrunning.Operation returned by
+// Metadata type for the operation returned by
 // [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup].
 message CopyBackupMetadata {
   // The name of the backup being created through the copy operation.
   // Values are of the form
   // `projects/<project>/instances/<instance>/backups/<backup>`.
-  string name = 1 [(google.api.resource_reference) = {
-                     type: "spanner.googleapis.com/Backup"
-                   }];
+  string name = 1 [
+    (google.api.resource_reference) = { type: "spanner.googleapis.com/Backup" }
+  ];
 
   // The name of the source backup that is being copied.
   // Values are of the form
   // `projects/<project>/instances/<instance>/backups/<backup>`.
-  string source_backup = 2 [(google.api.resource_reference) = {
-                              type: "spanner.googleapis.com/Backup"
-                            }];
+  string source_backup = 2 [
+    (google.api.resource_reference) = { type: "spanner.googleapis.com/Backup" }
+  ];
 
   // The progress of the
-  // [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup] operation.
+  // [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup]
+  // operation.
   OperationProgress progress = 3;
 
   // The time at which cancellation of CopyBackup operation was received.
@@ -285,7 +306,8 @@ message CopyBackupMetadata {
   google.protobuf.Timestamp cancel_time = 4;
 }
 
-// The request for [UpdateBackup][google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackup].
+// The request for
+// [UpdateBackup][google.spanner.admin.database.v1.DatabaseAdmin.UpdateBackup].
 message UpdateBackupRequest {
   // Required. The backup to update. `backup.name`, and the fields to be updated
   // as specified by `update_mask` are required. Other fields are ignored.
@@ -298,36 +320,36 @@ message UpdateBackupRequest {
   // resource, not to the request message. The field mask must always be
   // specified; this prevents any future fields from being erased accidentally
   // by clients that do not know about them.
-  google.protobuf.FieldMask update_mask = 2 [(google.api.field_behavior) = REQUIRED];
+  google.protobuf.FieldMask update_mask = 2
+      [(google.api.field_behavior) = REQUIRED];
 }
 
-// The request for [GetBackup][google.spanner.admin.database.v1.DatabaseAdmin.GetBackup].
+// The request for
+// [GetBackup][google.spanner.admin.database.v1.DatabaseAdmin.GetBackup].
 message GetBackupRequest {
   // Required. Name of the backup.
   // Values are of the form
   // `projects/<project>/instances/<instance>/backups/<backup>`.
   string name = 1 [
     (google.api.field_behavior) = REQUIRED,
-    (google.api.resource_reference) = {
-      type: "spanner.googleapis.com/Backup"
-    }
+    (google.api.resource_reference) = { type: "spanner.googleapis.com/Backup" }
   ];
 }
 
-// The request for [DeleteBackup][google.spanner.admin.database.v1.DatabaseAdmin.DeleteBackup].
+// The request for
+// [DeleteBackup][google.spanner.admin.database.v1.DatabaseAdmin.DeleteBackup].
 message DeleteBackupRequest {
   // Required. Name of the backup to delete.
   // Values are of the form
   // `projects/<project>/instances/<instance>/backups/<backup>`.
   string name = 1 [
     (google.api.field_behavior) = REQUIRED,
-    (google.api.resource_reference) = {
-      type: "spanner.googleapis.com/Backup"
-    }
+    (google.api.resource_reference) = { type: "spanner.googleapis.com/Backup" }
   ];
 }
 
-// The request for [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups].
+// The request for
+// [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups].
 message ListBackupsRequest {
   // Required. The instance to list backups from.  Values are of the
   // form `projects/<project>/instances/<instance>`.
@@ -346,7 +368,9 @@ message ListBackupsRequest {
   // must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
   // Colon `:` is the contains operator. Filter rules are not case sensitive.
   //
-  // The following fields in the [Backup][google.spanner.admin.database.v1.Backup] are eligible for filtering:
+  // The following fields in the
+  // [Backup][google.spanner.admin.database.v1.Backup] are eligible for
+  // filtering:
   //
   //   * `name`
   //   * `database`
@@ -380,21 +404,23 @@ message ListBackupsRequest {
   int32 page_size = 3;
 
   // If non-empty, `page_token` should contain a
-  // [next_page_token][google.spanner.admin.database.v1.ListBackupsResponse.next_page_token] from a
-  // previous [ListBackupsResponse][google.spanner.admin.database.v1.ListBackupsResponse] to the same `parent` and with the same
-  // `filter`.
+  // [next_page_token][google.spanner.admin.database.v1.ListBackupsResponse.next_page_token]
+  // from a previous
+  // [ListBackupsResponse][google.spanner.admin.database.v1.ListBackupsResponse]
+  // to the same `parent` and with the same `filter`.
   string page_token = 4;
 }
 
-// The response for [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups].
+// The response for
+// [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups].
 message ListBackupsResponse {
   // The list of matching backups. Backups returned are ordered by `create_time`
   // in descending order, starting from the most recent `create_time`.
   repeated Backup backups = 1;
 
   // `next_page_token` can be sent in a subsequent
-  // [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups] call to fetch more
-  // of the matching backups.
+  // [ListBackups][google.spanner.admin.database.v1.DatabaseAdmin.ListBackups]
+  // call to fetch more of the matching backups.
   string next_page_token = 2;
 }
 
@@ -424,7 +450,9 @@ message ListBackupOperationsRequest {
   //   * `name` - The name of the long-running operation
   //   * `done` - False if the operation is in progress, else true.
   //   * `metadata.@type` - the type of metadata. For example, the type string
-  //      for [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata] is
+  //      for
+  //      [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata]
+  //      is
   //      `type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata`.
   //   * `metadata.<field_name>` - any field in metadata.value.
   //      `metadata.@type` must be specified first if filtering on metadata
@@ -442,14 +470,15 @@ message ListBackupOperationsRequest {
   //   * `done:true` - The operation is complete.
   //   * `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
   //      `metadata.database:prod` - Returns operations where:
-  //      * The operation's metadata type is [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
-  //      * The database the backup was taken from has a name containing the
-  //      string "prod".
+  //      * The operation's metadata type is
+  //      [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
+  //      * The source database name of backup contains the string "prod".
   //   * `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
   //     `(metadata.name:howl) AND` \
   //     `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
   //     `(error:*)` - Returns operations where:
-  //     * The operation's metadata type is [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
+  //     * The operation's metadata type is
+  //     [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
   //     * The backup name contains the string "howl".
   //     * The operation started before 2018-03-28T14:50:00Z.
   //     * The operation resulted in an error.
@@ -457,9 +486,9 @@ message ListBackupOperationsRequest {
   //     `(metadata.source_backup:test) AND` \
   //     `(metadata.progress.start_time < \"2022-01-18T14:50:00Z\") AND` \
   //     `(error:*)` - Returns operations where:
-  //     * The operation's metadata type is [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata].
-  //     * The source backup of the copied backup name contains the string
-  //     "test".
+  //     * The operation's metadata type is
+  //     [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata].
+  //     * The source backup name contains the string "test".
   //     * The operation started before 2022-01-18T14:50:00Z.
   //     * The operation resulted in an error.
   //   * `((metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
@@ -469,12 +498,13 @@ message ListBackupOperationsRequest {
   //     `(metadata.source_backup:test_bkp)) AND` \
   //     `(error:*)` - Returns operations where:
   //     * The operation's metadata matches either of criteria:
-  //       * The operation's metadata type is [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata] AND the
-  //       database the backup was taken from has name containing string
+  //       * The operation's metadata type is
+  //       [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata]
+  //       AND the source database name of the backup contains the string
   //       "test_db"
-  //       * The operation's metadata type is [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata] AND the
-  //       backup the backup was copied from has name containing string
-  //       "test_bkp"
+  //       * The operation's metadata type is
+  //       [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata]
+  //       AND the source backup name contains the string "test_bkp"
   //     * The operation resulted in an error.
   string filter = 2;
 
@@ -484,8 +514,9 @@ message ListBackupOperationsRequest {
 
   // If non-empty, `page_token` should contain a
   // [next_page_token][google.spanner.admin.database.v1.ListBackupOperationsResponse.next_page_token]
-  // from a previous [ListBackupOperationsResponse][google.spanner.admin.database.v1.ListBackupOperationsResponse] to the
-  // same `parent` and with the same `filter`.
+  // from a previous
+  // [ListBackupOperationsResponse][google.spanner.admin.database.v1.ListBackupOperationsResponse]
+  // to the same `parent` and with the same `filter`.
   string page_token = 4;
 }
 
@@ -512,25 +543,26 @@ message ListBackupOperationsResponse {
 // Information about a backup.
 message BackupInfo {
   // Name of the backup.
-  string backup = 1 [(google.api.resource_reference) = {
-                       type: "spanner.googleapis.com/Backup"
-                     }];
+  string backup = 1 [
+    (google.api.resource_reference) = { type: "spanner.googleapis.com/Backup" }
+  ];
 
   // The backup contains an externally consistent copy of `source_database` at
   // the timestamp specified by `version_time`. If the
-  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup] request did not specify
-  // `version_time`, the `version_time` of the backup is equivalent to the
-  // `create_time`.
+  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+  // request did not specify `version_time`, the `version_time` of the backup is
+  // equivalent to the `create_time`.
   google.protobuf.Timestamp version_time = 4;
 
-  // The time the [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup] request was
-  // received.
+  // The time the
+  // [CreateBackup][google.spanner.admin.database.v1.DatabaseAdmin.CreateBackup]
+  // request was received.
   google.protobuf.Timestamp create_time = 2;
 
   // Name of the database the backup was created from.
   string source_database = 3 [(google.api.resource_reference) = {
-                                type: "spanner.googleapis.com/Database"
-                              }];
+    type: "spanner.googleapis.com/Database"
+  }];
 }
 
 // Encryption configuration for the backup to create.
@@ -542,9 +574,10 @@ message CreateBackupEncryptionConfig {
 
     // Use the same encryption configuration as the database. This is the
     // default option when
-    // [encryption_config][google.spanner.admin.database.v1.CreateBackupEncryptionConfig] is empty.
-    // For example, if the database is using `Customer_Managed_Encryption`, the
-    // backup will be using the same Cloud KMS key as the database.
+    // [encryption_config][google.spanner.admin.database.v1.CreateBackupEncryptionConfig]
+    // is empty. For example, if the database is using
+    // `Customer_Managed_Encryption`, the backup will be using the same Cloud
+    // KMS key as the database.
     USE_DATABASE_ENCRYPTION = 1;
 
     // Use Google default encryption.
@@ -560,8 +593,8 @@ message CreateBackupEncryptionConfig {
 
   // Optional. The Cloud KMS key that will be used to protect the backup.
   // This field should be set only when
-  // [encryption_type][google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type] is
-  // `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
+  // [encryption_type][google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type]
+  // is `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
   // `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
   string kms_key_name = 2 [
     (google.api.field_behavior) = OPTIONAL,
@@ -569,6 +602,28 @@ message CreateBackupEncryptionConfig {
       type: "cloudkms.googleapis.com/CryptoKey"
     }
   ];
+
+  // Optional. Specifies the KMS configuration for the one or more keys used to
+  // protect the backup. Values are of the form
+  // `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+  //
+  // The keys referenced by kms_key_names must fully cover all
+  // regions of the backup's instance configuration. Some examples:
+  // * For single region instance configs, specify a single regional
+  // location KMS key.
+  // * For multi-regional instance configs of type GOOGLE_MANAGED,
+  // either specify a multi-regional location KMS key or multiple regional
+  // location KMS keys that cover all regions in the instance config.
+  // * For an instance config of type USER_MANAGED, please specify only
+  // regional location KMS keys to cover each region in the instance config.
+  // Multi-regional location KMS keys are not supported for USER_MANAGED
+  // instance configs.
+  repeated string kms_key_names = 3 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "cloudkms.googleapis.com/CryptoKey"
+    }
+  ];
 }
 
 // Encryption configuration for the copied backup.
@@ -578,17 +633,20 @@ message CopyBackupEncryptionConfig {
     // Unspecified. Do not use.
     ENCRYPTION_TYPE_UNSPECIFIED = 0;
 
-    // This is the default option for [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup]
-    // when [encryption_config][google.spanner.admin.database.v1.CopyBackupEncryptionConfig] is not specified.
-    // For example, if the source backup is using `Customer_Managed_Encryption`,
-    // the backup will be using the same Cloud KMS key as the source backup.
+    // This is the default option for
+    // [CopyBackup][google.spanner.admin.database.v1.DatabaseAdmin.CopyBackup]
+    // when
+    // [encryption_config][google.spanner.admin.database.v1.CopyBackupEncryptionConfig]
+    // is not specified. For example, if the source backup is using
+    // `Customer_Managed_Encryption`, the backup will be using the same Cloud
+    // KMS key as the source backup.
     USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION = 1;
 
     // Use Google default encryption.
     GOOGLE_DEFAULT_ENCRYPTION = 2;
 
-    // Use customer managed encryption. If specified, `kms_key_name`
-    // must contain a valid Cloud KMS key.
+    // Use customer managed encryption. If specified, either `kms_key_name` or
+    // `kms_key_names` must contain valid Cloud KMS key(s).
     CUSTOMER_MANAGED_ENCRYPTION = 3;
   }
 
@@ -597,8 +655,8 @@ message CopyBackupEncryptionConfig {
 
   // Optional. The Cloud KMS key that will be used to protect the backup.
   // This field should be set only when
-  // [encryption_type][google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type] is
-  // `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
+  // [encryption_type][google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type]
+  // is `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
   // `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
   string kms_key_name = 2 [
     (google.api.field_behavior) = OPTIONAL,
@@ -606,4 +664,27 @@ message CopyBackupEncryptionConfig {
       type: "cloudkms.googleapis.com/CryptoKey"
     }
   ];
+
+  // Optional. Specifies the KMS configuration for the one or more keys used to
+  // protect the backup. Values are of the form
+  // `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+  // Kms keys specified can be in any order.
+  //
+  // The keys referenced by kms_key_names must fully cover all
+  // regions of the backup's instance configuration. Some examples:
+  // * For single region instance configs, specify a single regional
+  // location KMS key.
+  // * For multi-regional instance configs of type GOOGLE_MANAGED,
+  // either specify a multi-regional location KMS key or multiple regional
+  // location KMS keys that cover all regions in the instance config.
+  // * For an instance config of type USER_MANAGED, please specify only
+  // regional location KMS keys to cover each region in the instance config.
+  // Multi-regional location KMS keys are not supported for USER_MANAGED
+  // instance configs.
+  repeated string kms_key_names = 3 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "cloudkms.googleapis.com/CryptoKey"
+    }
+  ];
 }
diff --git a/protos/google/spanner/admin/database/v1/common.proto b/protos/google/spanner/admin/database/v1/common.proto
index 32d7519e3..a91012306 100644
--- a/protos/google/spanner/admin/database/v1/common.proto
+++ b/protos/google/spanner/admin/database/v1/common.proto
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -58,8 +58,27 @@ message EncryptionConfig {
   // the database. Values are of the form
   // `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
   string kms_key_name = 2 [(google.api.resource_reference) = {
-                             type: "cloudkms.googleapis.com/CryptoKey"
-                           }];
+    type: "cloudkms.googleapis.com/CryptoKey"
+  }];
+
+  // Specifies the KMS configuration for the one or more keys used to encrypt
+  // the database. Values are of the form
+  // `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+  //
+  // The keys referenced by kms_key_names must fully cover all
+  // regions of the database instance configuration. Some examples:
+  // * For single region database instance configs, specify a single regional
+  // location KMS key.
+  // * For multi-regional database instance configs of type GOOGLE_MANAGED,
+  // either specify a multi-regional location KMS key or multiple regional
+  // location KMS keys that cover all regions in the instance config.
+  // * For a database instance config of type USER_MANAGED, please specify only
+  // regional location KMS keys to cover each region in the instance config.
+  // Multi-regional location KMS keys are not supported for USER_MANAGED
+  // instance configs.
+  repeated string kms_key_names = 3 [(google.api.resource_reference) = {
+    type: "cloudkms.googleapis.com/CryptoKey"
+  }];
 }
 
 // Encryption information for a Cloud Spanner database or backup.
@@ -83,13 +102,14 @@ message EncryptionInfo {
   // Output only. The type of encryption.
   Type encryption_type = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // Output only. If present, the status of a recent encrypt/decrypt call on underlying data
-  // for this database or backup. Regardless of status, data is always encrypted
-  // at rest.
-  google.rpc.Status encryption_status = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
+  // Output only. If present, the status of a recent encrypt/decrypt call on
+  // underlying data for this database or backup. Regardless of status, data is
+  // always encrypted at rest.
+  google.rpc.Status encryption_status = 4
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // Output only. A Cloud KMS key version that is being used to protect the database or
-  // backup.
+  // Output only. A Cloud KMS key version that is being used to protect the
+  // database or backup.
   string kms_key_version = 2 [
     (google.api.field_behavior) = OUTPUT_ONLY,
     (google.api.resource_reference) = {
@@ -104,7 +124,7 @@ enum DatabaseDialect {
   // GOOGLE_STANDARD_SQL dialect.
   DATABASE_DIALECT_UNSPECIFIED = 0;
 
-  // Google standard SQL.
+  // GoogleSQL supported SQL.
   GOOGLE_STANDARD_SQL = 1;
 
   // PostgreSQL supported SQL.
diff --git a/protos/google/spanner/admin/database/v1/spanner_database_admin.proto b/protos/google/spanner/admin/database/v1/spanner_database_admin.proto
index a522c08c1..0d4e26170 100644
--- a/protos/google/spanner/admin/database/v1/spanner_database_admin.proto
+++ b/protos/google/spanner/admin/database/v1/spanner_database_admin.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -46,7 +46,7 @@ option (google.api.resource_definition) = {
 // The Cloud Spanner Database Admin API can be used to:
 //   * create, drop, and list databases
 //   * update the schema of pre-existing databases
-//   * create, delete and list backups for a database
+//   * create, delete, copy and list backups for a database
 //   * restore a database from an existing backup
 service DatabaseAdmin {
   option (google.api.default_host) = "spanner.googleapis.com";
@@ -67,10 +67,11 @@ service DatabaseAdmin {
   // have a name of the format `<database_name>/operations/<operation_id>` and
   // can be used to track preparation of the database. The
   // [metadata][google.longrunning.Operation.metadata] field type is
-  // [CreateDatabaseMetadata][google.spanner.admin.database.v1.CreateDatabaseMetadata]. The
-  // [response][google.longrunning.Operation.response] field type is
+  // [CreateDatabaseMetadata][google.spanner.admin.database.v1.CreateDatabaseMetadata].
+  // The [response][google.longrunning.Operation.response] field type is
   // [Database][google.spanner.admin.database.v1.Database], if successful.
-  rpc CreateDatabase(CreateDatabaseRequest) returns (google.longrunning.Operation) {
+  rpc CreateDatabase(CreateDatabaseRequest)
+      returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/instances/*}/databases"
       body: "*"
@@ -145,8 +146,10 @@ service DatabaseAdmin {
   // the format `<database_name>/operations/<operation_id>` and can be used to
   // track execution of the schema change(s). The
   // [metadata][google.longrunning.Operation.metadata] field type is
-  // [UpdateDatabaseDdlMetadata][google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata].  The operation has no response.
-  rpc UpdateDatabaseDdl(UpdateDatabaseDdlRequest) returns (google.longrunning.Operation) {
+  // [UpdateDatabaseDdlMetadata][google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata].
+  // The operation has no response.
+  rpc UpdateDatabaseDdl(UpdateDatabaseDdlRequest)
+      returns (google.longrunning.Operation) {
     option (google.api.http) = {
       patch: "/v1/{database=projects/*/instances/*/databases/*}/ddl"
       body: "*"
@@ -187,7 +190,8 @@ service DatabaseAdmin {
   // permission on [resource][google.iam.v1.SetIamPolicyRequest.resource].
   // For backups, authorization requires `spanner.backups.setIamPolicy`
   // permission on [resource][google.iam.v1.SetIamPolicyRequest.resource].
-  rpc SetIamPolicy(google.iam.v1.SetIamPolicyRequest) returns (google.iam.v1.Policy) {
+  rpc SetIamPolicy(google.iam.v1.SetIamPolicyRequest)
+      returns (google.iam.v1.Policy) {
     option (google.api.http) = {
       post: "/v1/{resource=projects/*/instances/*/databases/*}:setIamPolicy"
       body: "*"
@@ -207,7 +211,8 @@ service DatabaseAdmin {
   // [resource][google.iam.v1.GetIamPolicyRequest.resource].
   // For backups, authorization requires `spanner.backups.getIamPolicy`
   // permission on [resource][google.iam.v1.GetIamPolicyRequest.resource].
-  rpc GetIamPolicy(google.iam.v1.GetIamPolicyRequest) returns (google.iam.v1.Policy) {
+  rpc GetIamPolicy(google.iam.v1.GetIamPolicyRequest)
+      returns (google.iam.v1.Policy) {
     option (google.api.http) = {
       post: "/v1/{resource=projects/*/instances/*/databases/*}:getIamPolicy"
       body: "*"
@@ -229,7 +234,8 @@ service DatabaseAdmin {
   // Calling this method on a backup that does not exist will
   // result in a NOT_FOUND error if the user has
   // `spanner.backups.list` permission on the containing instance.
-  rpc TestIamPermissions(google.iam.v1.TestIamPermissionsRequest) returns (google.iam.v1.TestIamPermissionsResponse) {
+  rpc TestIamPermissions(google.iam.v1.TestIamPermissionsRequest)
+      returns (google.iam.v1.TestIamPermissionsResponse) {
     option (google.api.http) = {
       post: "/v1/{resource=projects/*/instances/*/databases/*}:testIamPermissions"
       body: "*"
@@ -251,12 +257,12 @@ service DatabaseAdmin {
   // `projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>`
   // and can be used to track creation of the backup. The
   // [metadata][google.longrunning.Operation.metadata] field type is
-  // [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata]. The
-  // [response][google.longrunning.Operation.response] field type is
-  // [Backup][google.spanner.admin.database.v1.Backup], if successful. Cancelling the returned operation will stop the
-  // creation and delete the backup.
-  // There can be only one pending backup creation per database. Backup creation
-  // of different databases can run concurrently.
+  // [CreateBackupMetadata][google.spanner.admin.database.v1.CreateBackupMetadata].
+  // The [response][google.longrunning.Operation.response] field type is
+  // [Backup][google.spanner.admin.database.v1.Backup], if successful.
+  // Cancelling the returned operation will stop the creation and delete the
+  // backup. There can be only one pending backup creation per database. Backup
+  // creation of different databases can run concurrently.
   rpc CreateBackup(CreateBackupRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/instances/*}/backups"
@@ -278,22 +284,25 @@ service DatabaseAdmin {
   // The [metadata][google.longrunning.Operation.metadata] field type is
   // [CopyBackupMetadata][google.spanner.admin.database.v1.CopyBackupMetadata].
   // The [response][google.longrunning.Operation.response] field type is
-  // [Backup][google.spanner.admin.database.v1.Backup], if successful. Cancelling the returned operation will stop the
-  // copying and delete the backup.
-  // Concurrent CopyBackup requests can run on the same source backup.
+  // [Backup][google.spanner.admin.database.v1.Backup], if successful.
+  // Cancelling the returned operation will stop the copying and delete the
+  // destination backup. Concurrent CopyBackup requests can run on the same
+  // source backup.
   rpc CopyBackup(CopyBackupRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/instances/*}/backups:copy"
       body: "*"
     };
-    option (google.api.method_signature) = "parent,backup_id,source_backup,expire_time";
+    option (google.api.method_signature) =
+        "parent,backup_id,source_backup,expire_time";
     option (google.longrunning.operation_info) = {
       response_type: "google.spanner.admin.database.v1.Backup"
       metadata_type: "google.spanner.admin.database.v1.CopyBackupMetadata"
     };
   }
 
-  // Gets metadata on a pending or completed [Backup][google.spanner.admin.database.v1.Backup].
+  // Gets metadata on a pending or completed
+  // [Backup][google.spanner.admin.database.v1.Backup].
   rpc GetBackup(GetBackupRequest) returns (Backup) {
     option (google.api.http) = {
       get: "/v1/{name=projects/*/instances/*/backups/*}"
@@ -301,7 +310,8 @@ service DatabaseAdmin {
     option (google.api.method_signature) = "name";
   }
 
-  // Updates a pending or completed [Backup][google.spanner.admin.database.v1.Backup].
+  // Updates a pending or completed
+  // [Backup][google.spanner.admin.database.v1.Backup].
   rpc UpdateBackup(UpdateBackupRequest) returns (Backup) {
     option (google.api.http) = {
       patch: "/v1/{backup.name=projects/*/instances/*/backups/*}"
@@ -310,7 +320,8 @@ service DatabaseAdmin {
     option (google.api.method_signature) = "backup,update_mask";
   }
 
-  // Deletes a pending or completed [Backup][google.spanner.admin.database.v1.Backup].
+  // Deletes a pending or completed
+  // [Backup][google.spanner.admin.database.v1.Backup].
   rpc DeleteBackup(DeleteBackupRequest) returns (google.protobuf.Empty) {
     option (google.api.http) = {
       delete: "/v1/{name=projects/*/instances/*/backups/*}"
@@ -345,7 +356,8 @@ service DatabaseAdmin {
   // Once the restore operation completes, a new restore operation can be
   // initiated, without waiting for the optimize operation associated with the
   // first restore to complete.
-  rpc RestoreDatabase(RestoreDatabaseRequest) returns (google.longrunning.Operation) {
+  rpc RestoreDatabase(RestoreDatabaseRequest)
+      returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/instances/*}/databases:restore"
       body: "*"
@@ -365,7 +377,8 @@ service DatabaseAdmin {
   // `metadata.type_url` describes the type of the metadata. Operations returned
   // include those that have completed/failed/canceled within the last 7 days,
   // and pending operations.
-  rpc ListDatabaseOperations(ListDatabaseOperationsRequest) returns (ListDatabaseOperationsResponse) {
+  rpc ListDatabaseOperations(ListDatabaseOperationsRequest)
+      returns (ListDatabaseOperationsResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/instances/*}/databaseOperations"
     };
@@ -382,7 +395,8 @@ service DatabaseAdmin {
   // and pending operations. Operations returned are ordered by
   // `operation.metadata.value.progress.start_time` in descending order starting
   // from the most recently started operation.
-  rpc ListBackupOperations(ListBackupOperationsRequest) returns (ListBackupOperationsResponse) {
+  rpc ListBackupOperations(ListBackupOperationsRequest)
+      returns (ListBackupOperationsResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/instances/*}/backupOperations"
     };
@@ -390,7 +404,8 @@ service DatabaseAdmin {
   }
 
   // Lists Cloud Spanner database roles.
-  rpc ListDatabaseRoles(ListDatabaseRolesRequest) returns (ListDatabaseRolesResponse) {
+  rpc ListDatabaseRoles(ListDatabaseRolesRequest)
+      returns (ListDatabaseRolesResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/instances/*/databases/*}/databaseRoles"
     };
@@ -452,7 +467,8 @@ message Database {
   State state = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. If exists, the time at which the database creation started.
-  google.protobuf.Timestamp create_time = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+  google.protobuf.Timestamp create_time = 3
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. Applicable only for restored databases. Contains information
   // about the restore source.
@@ -462,32 +478,37 @@ message Database {
   // field contains the encryption configuration for the database.
   // For databases that are using Google default or other types of encryption,
   // this field is empty.
-  EncryptionConfig encryption_config = 5 [(google.api.field_behavior) = OUTPUT_ONLY];
+  EncryptionConfig encryption_config = 5
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. For databases that are using customer managed encryption, this
   // field contains the encryption information for the database, such as
-  // encryption state and the Cloud KMS key versions that are in use.
+  // all Cloud KMS key versions that are in use. The `encryption_status' field
+  // inside of each `EncryptionInfo` is not populated.
   //
   // For databases that are using Google default or other types of encryption,
   // this field is empty.
   //
   // This field is propagated lazily from the backend. There might be a delay
   // from when a key version is being used and when it appears in this field.
-  repeated EncryptionInfo encryption_info = 8 [(google.api.field_behavior) = OUTPUT_ONLY];
+  repeated EncryptionInfo encryption_info = 8
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. The period in which Cloud Spanner retains all versions of data
   // for the database. This is the same as the value of version_retention_period
   // database option set using
-  // [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl]. Defaults to 1 hour,
-  // if not set.
-  string version_retention_period = 6 [(google.api.field_behavior) = OUTPUT_ONLY];
+  // [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl].
+  // Defaults to 1 hour, if not set.
+  string version_retention_period = 6
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. Earliest timestamp at which older versions of the data can be
   // read. This value is continuously updated by Cloud Spanner and becomes stale
   // the moment it is queried. If you are using this value to recover data, make
   // sure to account for the time from the moment when the value is queried to
   // the moment when you initiate the recovery.
-  google.protobuf.Timestamp earliest_version_time = 7 [(google.api.field_behavior) = OUTPUT_ONLY];
+  google.protobuf.Timestamp earliest_version_time = 7
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. The read-write region which contains the database's leader
   // replicas.
@@ -498,10 +519,13 @@ message Database {
   string default_leader = 9 [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Output only. The dialect of the Cloud Spanner Database.
-  DatabaseDialect database_dialect = 10 [(google.api.field_behavior) = OUTPUT_ONLY];
+  DatabaseDialect database_dialect = 10
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 
   // Whether drop protection is enabled for this database. Defaults to false,
-  // if not set.
+  // if not set. For more details, please see how to [prevent accidental
+  // database
+  // deletion](https://cloud.google.com/spanner/docs/prevent-database-deletion).
   bool enable_drop_protection = 11;
 
   // Output only. If true, the database is being updated. If false, there are no
@@ -509,7 +533,8 @@ message Database {
   bool reconciling = 12 [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
-// The request for [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases].
+// The request for
+// [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases].
 message ListDatabasesRequest {
   // Required. The instance whose databases should be listed.
   // Values are of the form `projects/<project>/instances/<instance>`.
@@ -525,23 +550,26 @@ message ListDatabasesRequest {
   int32 page_size = 3;
 
   // If non-empty, `page_token` should contain a
-  // [next_page_token][google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token] from a
-  // previous [ListDatabasesResponse][google.spanner.admin.database.v1.ListDatabasesResponse].
+  // [next_page_token][google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token]
+  // from a previous
+  // [ListDatabasesResponse][google.spanner.admin.database.v1.ListDatabasesResponse].
   string page_token = 4;
 }
 
-// The response for [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases].
+// The response for
+// [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases].
 message ListDatabasesResponse {
   // Databases that matched the request.
   repeated Database databases = 1;
 
   // `next_page_token` can be sent in a subsequent
-  // [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases] call to fetch more
-  // of the matching databases.
+  // [ListDatabases][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabases]
+  // call to fetch more of the matching databases.
   string next_page_token = 2;
 }
 
-// The request for [CreateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.CreateDatabase].
+// The request for
+// [CreateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.CreateDatabase].
 message CreateDatabaseRequest {
   // Required. The name of the instance that will serve the new database.
   // Values are of the form `projects/<project>/instances/<instance>`.
@@ -565,10 +593,11 @@ message CreateDatabaseRequest {
   // if there is an error in any statement, the database is not created.
   repeated string extra_statements = 3 [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. The encryption configuration for the database. If this field is not
-  // specified, Cloud Spanner will encrypt/decrypt all data at rest using
+  // Optional. The encryption configuration for the database. If this field is
+  // not specified, Cloud Spanner will encrypt/decrypt all data at rest using
   // Google default encryption.
-  EncryptionConfig encryption_config = 4 [(google.api.field_behavior) = OPTIONAL];
+  EncryptionConfig encryption_config = 4
+      [(google.api.field_behavior) = OPTIONAL];
 
   // Optional. The dialect of the Cloud Spanner Database.
   DatabaseDialect database_dialect = 5 [(google.api.field_behavior) = OPTIONAL];
@@ -596,11 +625,12 @@ message CreateDatabaseRequest {
 message CreateDatabaseMetadata {
   // The database being created.
   string database = 1 [(google.api.resource_reference) = {
-                         type: "spanner.googleapis.com/Database"
-                       }];
+    type: "spanner.googleapis.com/Database"
+  }];
 }
 
-// The request for [GetDatabase][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabase].
+// The request for
+// [GetDatabase][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabase].
 message GetDatabaseRequest {
   // Required. The name of the requested database. Values are of the form
   // `projects/<project>/instances/<instance>/databases/<database>`.
@@ -657,8 +687,8 @@ message UpdateDatabaseMetadata {
 // Each batch of statements is assigned a name which can be used with
 // the [Operations][google.longrunning.Operations] API to monitor
 // progress. See the
-// [operation_id][google.spanner.admin.database.v1.UpdateDatabaseDdlRequest.operation_id] field for more
-// details.
+// [operation_id][google.spanner.admin.database.v1.UpdateDatabaseDdlRequest.operation_id]
+// field for more details.
 message UpdateDatabaseDdlRequest {
   // Required. The database to update.
   string database = 1 [
@@ -678,18 +708,20 @@ message UpdateDatabaseDdlRequest {
   //
   // Specifying an explicit operation ID simplifies determining
   // whether the statements were executed in the event that the
-  // [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl] call is replayed,
-  // or the return value is otherwise lost: the [database][google.spanner.admin.database.v1.UpdateDatabaseDdlRequest.database] and
-  // `operation_id` fields can be combined to form the
+  // [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl]
+  // call is replayed, or the return value is otherwise lost: the
+  // [database][google.spanner.admin.database.v1.UpdateDatabaseDdlRequest.database]
+  // and `operation_id` fields can be combined to form the
   // [name][google.longrunning.Operation.name] of the resulting
-  // [longrunning.Operation][google.longrunning.Operation]: `<database>/operations/<operation_id>`.
+  // [longrunning.Operation][google.longrunning.Operation]:
+  // `<database>/operations/<operation_id>`.
   //
   // `operation_id` should be unique within the database, and must be
   // a valid identifier: `[a-z][a-z0-9_]*`. Note that
   // automatically-generated operation IDs always begin with an
   // underscore. If the named operation already exists,
-  // [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl] returns
-  // `ALREADY_EXISTS`.
+  // [UpdateDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl]
+  // returns `ALREADY_EXISTS`.
   string operation_id = 3;
 
   // Optional. Proto descriptors used by CREATE/ALTER PROTO BUNDLE statements.
@@ -735,8 +767,8 @@ message DdlStatementActionInfo {
 message UpdateDatabaseDdlMetadata {
   // The database being modified.
   string database = 1 [(google.api.resource_reference) = {
-                         type: "spanner.googleapis.com/Database"
-                       }];
+    type: "spanner.googleapis.com/Database"
+  }];
 
   // For an update this list contains all the statements. For an
   // individual statement, this list contains only that statement.
@@ -766,7 +798,8 @@ message UpdateDatabaseDdlMetadata {
   repeated DdlStatementActionInfo actions = 6;
 }
 
-// The request for [DropDatabase][google.spanner.admin.database.v1.DatabaseAdmin.DropDatabase].
+// The request for
+// [DropDatabase][google.spanner.admin.database.v1.DatabaseAdmin.DropDatabase].
 message DropDatabaseRequest {
   // Required. The database to be dropped.
   string database = 1 [
@@ -777,7 +810,8 @@ message DropDatabaseRequest {
   ];
 }
 
-// The request for [GetDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDdl].
+// The request for
+// [GetDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDdl].
 message GetDatabaseDdlRequest {
   // Required. The database whose schema we wish to get.
   // Values are of the form
@@ -790,7 +824,8 @@ message GetDatabaseDdlRequest {
   ];
 }
 
-// The response for [GetDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDdl].
+// The response for
+// [GetDatabaseDdl][google.spanner.admin.database.v1.DatabaseAdmin.GetDatabaseDdl].
 message GetDatabaseDdlResponse {
   // A list of formatted DDL statements defining the schema of the database
   // specified in the request.
@@ -830,7 +865,9 @@ message ListDatabaseOperationsRequest {
   //   * `name` - The name of the long-running operation
   //   * `done` - False if the operation is in progress, else true.
   //   * `metadata.@type` - the type of metadata. For example, the type string
-  //      for [RestoreDatabaseMetadata][google.spanner.admin.database.v1.RestoreDatabaseMetadata] is
+  //      for
+  //      [RestoreDatabaseMetadata][google.spanner.admin.database.v1.RestoreDatabaseMetadata]
+  //      is
   //      `type.googleapis.com/google.spanner.admin.database.v1.RestoreDatabaseMetadata`.
   //   * `metadata.<field_name>` - any field in metadata.value.
   //      `metadata.@type` must be specified first, if filtering on metadata
@@ -852,7 +889,8 @@ message ListDatabaseOperationsRequest {
   //     `(metadata.name:restored_howl) AND` \
   //     `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
   //     `(error:*)` - Return operations where:
-  //     * The operation's metadata type is [RestoreDatabaseMetadata][google.spanner.admin.database.v1.RestoreDatabaseMetadata].
+  //     * The operation's metadata type is
+  //     [RestoreDatabaseMetadata][google.spanner.admin.database.v1.RestoreDatabaseMetadata].
   //     * The database is restored from a backup.
   //     * The backup name contains "backup_howl".
   //     * The restored database's name contains "restored_howl".
@@ -866,8 +904,9 @@ message ListDatabaseOperationsRequest {
 
   // If non-empty, `page_token` should contain a
   // [next_page_token][google.spanner.admin.database.v1.ListDatabaseOperationsResponse.next_page_token]
-  // from a previous [ListDatabaseOperationsResponse][google.spanner.admin.database.v1.ListDatabaseOperationsResponse] to the
-  // same `parent` and with the same `filter`.
+  // from a previous
+  // [ListDatabaseOperationsResponse][google.spanner.admin.database.v1.ListDatabaseOperationsResponse]
+  // to the same `parent` and with the same `filter`.
   string page_token = 4;
 }
 
@@ -913,17 +952,18 @@ message RestoreDatabaseRequest {
     // Name of the backup from which to restore.  Values are of the form
     // `projects/<project>/instances/<instance>/backups/<backup>`.
     string backup = 3 [(google.api.resource_reference) = {
-                         type: "spanner.googleapis.com/Backup"
-                       }];
+      type: "spanner.googleapis.com/Backup"
+    }];
   }
 
-  // Optional. An encryption configuration describing the encryption type and key
-  // resources in Cloud KMS used to encrypt/decrypt the database to restore to.
-  // If this field is not specified, the restored database will use
-  // the same encryption configuration as the backup by default, namely
-  // [encryption_type][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type] =
-  // `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
-  RestoreDatabaseEncryptionConfig encryption_config = 4 [(google.api.field_behavior) = OPTIONAL];
+  // Optional. An encryption configuration describing the encryption type and
+  // key resources in Cloud KMS used to encrypt/decrypt the database to restore
+  // to. If this field is not specified, the restored database will use the same
+  // encryption configuration as the backup by default, namely
+  // [encryption_type][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type]
+  // = `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
+  RestoreDatabaseEncryptionConfig encryption_config = 4
+      [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Encryption configuration for the restored database.
@@ -934,7 +974,8 @@ message RestoreDatabaseEncryptionConfig {
     ENCRYPTION_TYPE_UNSPECIFIED = 0;
 
     // This is the default option when
-    // [encryption_config][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig] is not specified.
+    // [encryption_config][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig]
+    // is not specified.
     USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION = 1;
 
     // Use Google default encryption.
@@ -948,10 +989,10 @@ message RestoreDatabaseEncryptionConfig {
   // Required. The encryption type of the restored database.
   EncryptionType encryption_type = 1 [(google.api.field_behavior) = REQUIRED];
 
-  // Optional. The Cloud KMS key that will be used to encrypt/decrypt the restored
-  // database. This field should be set only when
-  // [encryption_type][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type] is
-  // `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
+  // Optional. The Cloud KMS key that will be used to encrypt/decrypt the
+  // restored database. This field should be set only when
+  // [encryption_type][google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type]
+  // is `CUSTOMER_MANAGED_ENCRYPTION`. Values are of the form
   // `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
   string kms_key_name = 2 [
     (google.api.field_behavior) = OPTIONAL,
@@ -959,6 +1000,28 @@ message RestoreDatabaseEncryptionConfig {
       type: "cloudkms.googleapis.com/CryptoKey"
     }
   ];
+
+  // Optional. Specifies the KMS configuration for the one or more keys used to
+  // encrypt the database. Values are of the form
+  // `projects/<project>/locations/<location>/keyRings/<key_ring>/cryptoKeys/<kms_key_name>`.
+  //
+  // The keys referenced by kms_key_names must fully cover all
+  // regions of the database instance configuration. Some examples:
+  // * For single region database instance configs, specify a single regional
+  // location KMS key.
+  // * For multi-regional database instance configs of type GOOGLE_MANAGED,
+  // either specify a multi-regional location KMS key or multiple regional
+  // location KMS keys that cover all regions in the instance config.
+  // * For a database instance config of type USER_MANAGED, please specify only
+  // regional location KMS keys to cover each region in the instance config.
+  // Multi-regional location KMS keys are not supported for USER_MANAGED
+  // instance configs.
+  repeated string kms_key_names = 3 [
+    (google.api.field_behavior) = OPTIONAL,
+    (google.api.resource_reference) = {
+      type: "cloudkms.googleapis.com/CryptoKey"
+    }
+  ];
 }
 
 // Metadata type for the long-running operation returned by
@@ -966,14 +1029,15 @@ message RestoreDatabaseEncryptionConfig {
 message RestoreDatabaseMetadata {
   // Name of the database being created and restored to.
   string name = 1 [(google.api.resource_reference) = {
-                     type: "spanner.googleapis.com/Database"
-                   }];
+    type: "spanner.googleapis.com/Database"
+  }];
 
   // The type of the restore source.
   RestoreSourceType source_type = 2;
 
   // Information about the source used to restore the database, as specified by
-  // `source` in [RestoreDatabaseRequest][google.spanner.admin.database.v1.RestoreDatabaseRequest].
+  // `source` in
+  // [RestoreDatabaseRequest][google.spanner.admin.database.v1.RestoreDatabaseRequest].
   oneof source_info {
     // Information about the backup used to restore the database.
     BackupInfo backup_info = 3;
@@ -994,7 +1058,8 @@ message RestoreDatabaseMetadata {
   // operation completed despite cancellation. On successful cancellation,
   // the operation is not deleted; instead, it becomes an operation with
   // an [Operation.error][google.longrunning.Operation.error] value with a
-  // [google.rpc.Status.code][google.rpc.Status.code] of 1, corresponding to `Code.CANCELLED`.
+  // [google.rpc.Status.code][google.rpc.Status.code] of 1, corresponding to
+  // `Code.CANCELLED`.
   google.protobuf.Timestamp cancel_time = 5;
 
   // If exists, the name of the long-running operation that will be used to
@@ -1004,10 +1069,10 @@ message RestoreDatabaseMetadata {
   // `projects/<project>/instances/<instance>/databases/<database>/operations/<operation>`
   // where the <database> is the name of database being created and restored to.
   // The metadata type of the  long-running operation is
-  // [OptimizeRestoredDatabaseMetadata][google.spanner.admin.database.v1.OptimizeRestoredDatabaseMetadata]. This long-running operation will be
-  // automatically created by the system after the RestoreDatabase long-running
-  // operation completes successfully. This operation will not be created if the
-  // restore was not successful.
+  // [OptimizeRestoredDatabaseMetadata][google.spanner.admin.database.v1.OptimizeRestoredDatabaseMetadata].
+  // This long-running operation will be automatically created by the system
+  // after the RestoreDatabase long-running operation completes successfully.
+  // This operation will not be created if the restore was not successful.
   string optimize_database_operation_name = 6;
 }
 
@@ -1018,8 +1083,8 @@ message RestoreDatabaseMetadata {
 message OptimizeRestoredDatabaseMetadata {
   // Name of the restored database being optimized.
   string name = 1 [(google.api.resource_reference) = {
-                     type: "spanner.googleapis.com/Database"
-                   }];
+    type: "spanner.googleapis.com/Database"
+  }];
 
   // The progress of the post-restore optimizations.
   OperationProgress progress = 2;
@@ -1042,18 +1107,17 @@ message DatabaseRole {
   };
 
   // Required. The name of the database role. Values are of the form
-  // `projects/<project>/instances/<instance>/databases/<database>/databaseRoles/
-  // {role}`, where `<role>` is as specified in the `CREATE ROLE`
-  // DDL statement. This name can be passed to Get/Set IAMPolicy methods to
-  // identify the database role.
+  // `projects/<project>/instances/<instance>/databases/<database>/databaseRoles/<role>`
+  // where `<role>` is as specified in the `CREATE ROLE` DDL statement.
   string name = 1 [(google.api.field_behavior) = REQUIRED];
 }
 
-// The request for [ListDatabaseRoles][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles].
+// The request for
+// [ListDatabaseRoles][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles].
 message ListDatabaseRolesRequest {
   // Required. The database whose roles should be listed.
   // Values are of the form
-  // `projects/<project>/instances/<instance>/databases/<database>/databaseRoles`.
+  // `projects/<project>/instances/<instance>/databases/<database>`.
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -1066,12 +1130,14 @@ message ListDatabaseRolesRequest {
   int32 page_size = 2;
 
   // If non-empty, `page_token` should contain a
-  // [next_page_token][google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token] from a
-  // previous [ListDatabaseRolesResponse][google.spanner.admin.database.v1.ListDatabaseRolesResponse].
+  // [next_page_token][google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token]
+  // from a previous
+  // [ListDatabaseRolesResponse][google.spanner.admin.database.v1.ListDatabaseRolesResponse].
   string page_token = 3;
 }
 
-// The response for [ListDatabaseRoles][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles].
+// The response for
+// [ListDatabaseRoles][google.spanner.admin.database.v1.DatabaseAdmin.ListDatabaseRoles].
 message ListDatabaseRolesResponse {
   // Database roles that matched the request.
   repeated DatabaseRole database_roles = 1;
diff --git a/protos/google/spanner/admin/instance/v1/common.proto b/protos/google/spanner/admin/instance/v1/common.proto
index ab6293acf..075b45fea 100644
--- a/protos/google/spanner/admin/instance/v1/common.proto
+++ b/protos/google/spanner/admin/instance/v1/common.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/executor/v1/cloud_executor.proto b/protos/google/spanner/executor/v1/cloud_executor.proto
index 3ad36e3ee..73474a650 100644
--- a/protos/google/spanner/executor/v1/cloud_executor.proto
+++ b/protos/google/spanner/executor/v1/cloud_executor.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/v1/commit_response.proto b/protos/google/spanner/v1/commit_response.proto
index 436a002b8..d44aad63b 100644
--- a/protos/google/spanner/v1/commit_response.proto
+++ b/protos/google/spanner/v1/commit_response.proto
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/v1/keys.proto b/protos/google/spanner/v1/keys.proto
index 8fb4757f5..82f073b96 100644
--- a/protos/google/spanner/v1/keys.proto
+++ b/protos/google/spanner/v1/keys.proto
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/v1/mutation.proto b/protos/google/spanner/v1/mutation.proto
index cced61f33..7fbf93f8a 100644
--- a/protos/google/spanner/v1/mutation.proto
+++ b/protos/google/spanner/v1/mutation.proto
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/v1/query_plan.proto b/protos/google/spanner/v1/query_plan.proto
index c0903bdd7..ba18055e3 100644
--- a/protos/google/spanner/v1/query_plan.proto
+++ b/protos/google/spanner/v1/query_plan.proto
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/v1/result_set.proto b/protos/google/spanner/v1/result_set.proto
index cfa5719c4..f392c1d7d 100644
--- a/protos/google/spanner/v1/result_set.proto
+++ b/protos/google/spanner/v1/result_set.proto
@@ -1,4 +1,4 @@
-// Copyright 2022 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/v1/spanner.proto b/protos/google/spanner/v1/spanner.proto
index 440ebf785..25c67f155 100644
--- a/protos/google/spanner/v1/spanner.proto
+++ b/protos/google/spanner/v1/spanner.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/v1/transaction.proto b/protos/google/spanner/v1/transaction.proto
index e3f22ee3c..8af513d15 100644
--- a/protos/google/spanner/v1/transaction.proto
+++ b/protos/google/spanner/v1/transaction.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/google/spanner/v1/type.proto b/protos/google/spanner/v1/type.proto
index 8e28fa7fd..4e77106c9 100644
--- a/protos/google/spanner/v1/type.proto
+++ b/protos/google/spanner/v1/type.proto
@@ -1,4 +1,4 @@
-// Copyright 2023 Google LLC
+// Copyright 2024 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/protos/protos.d.ts b/protos/protos.d.ts
index 98bfcb679..0003e5dd4 100644
--- a/protos/protos.d.ts
+++ b/protos/protos.d.ts
@@ -6558,6 +6558,9 @@ export namespace google {
                         /** Backup encryptionInfo */
                         encryptionInfo?: (google.spanner.admin.database.v1.IEncryptionInfo|null);
 
+                        /** Backup encryptionInformation */
+                        encryptionInformation?: (google.spanner.admin.database.v1.IEncryptionInfo[]|null);
+
                         /** Backup databaseDialect */
                         databaseDialect?: (google.spanner.admin.database.v1.DatabaseDialect|keyof typeof google.spanner.admin.database.v1.DatabaseDialect|null);
 
@@ -6604,6 +6607,9 @@ export namespace google {
                         /** Backup encryptionInfo. */
                         public encryptionInfo?: (google.spanner.admin.database.v1.IEncryptionInfo|null);
 
+                        /** Backup encryptionInformation. */
+                        public encryptionInformation: google.spanner.admin.database.v1.IEncryptionInfo[];
+
                         /** Backup databaseDialect. */
                         public databaseDialect: (google.spanner.admin.database.v1.DatabaseDialect|keyof typeof google.spanner.admin.database.v1.DatabaseDialect);
 
@@ -8023,6 +8029,9 @@ export namespace google {
 
                         /** CreateBackupEncryptionConfig kmsKeyName */
                         kmsKeyName?: (string|null);
+
+                        /** CreateBackupEncryptionConfig kmsKeyNames */
+                        kmsKeyNames?: (string[]|null);
                     }
 
                     /** Represents a CreateBackupEncryptionConfig. */
@@ -8040,6 +8049,9 @@ export namespace google {
                         /** CreateBackupEncryptionConfig kmsKeyName. */
                         public kmsKeyName: string;
 
+                        /** CreateBackupEncryptionConfig kmsKeyNames. */
+                        public kmsKeyNames: string[];
+
                         /**
                          * Creates a new CreateBackupEncryptionConfig instance using the specified properties.
                          * @param [properties] Properties to set
@@ -8137,6 +8149,9 @@ export namespace google {
 
                         /** CopyBackupEncryptionConfig kmsKeyName */
                         kmsKeyName?: (string|null);
+
+                        /** CopyBackupEncryptionConfig kmsKeyNames */
+                        kmsKeyNames?: (string[]|null);
                     }
 
                     /** Represents a CopyBackupEncryptionConfig. */
@@ -8154,6 +8169,9 @@ export namespace google {
                         /** CopyBackupEncryptionConfig kmsKeyName. */
                         public kmsKeyName: string;
 
+                        /** CopyBackupEncryptionConfig kmsKeyNames. */
+                        public kmsKeyNames: string[];
+
                         /**
                          * Creates a new CopyBackupEncryptionConfig instance using the specified properties.
                          * @param [properties] Properties to set
@@ -8357,6 +8375,9 @@ export namespace google {
 
                         /** EncryptionConfig kmsKeyName */
                         kmsKeyName?: (string|null);
+
+                        /** EncryptionConfig kmsKeyNames */
+                        kmsKeyNames?: (string[]|null);
                     }
 
                     /** Represents an EncryptionConfig. */
@@ -8371,6 +8392,9 @@ export namespace google {
                         /** EncryptionConfig kmsKeyName. */
                         public kmsKeyName: string;
 
+                        /** EncryptionConfig kmsKeyNames. */
+                        public kmsKeyNames: string[];
+
                         /**
                          * Creates a new EncryptionConfig instance using the specified properties.
                          * @param [properties] Properties to set
@@ -11036,6 +11060,9 @@ export namespace google {
 
                         /** RestoreDatabaseEncryptionConfig kmsKeyName */
                         kmsKeyName?: (string|null);
+
+                        /** RestoreDatabaseEncryptionConfig kmsKeyNames */
+                        kmsKeyNames?: (string[]|null);
                     }
 
                     /** Represents a RestoreDatabaseEncryptionConfig. */
@@ -11053,6 +11080,9 @@ export namespace google {
                         /** RestoreDatabaseEncryptionConfig kmsKeyName. */
                         public kmsKeyName: string;
 
+                        /** RestoreDatabaseEncryptionConfig kmsKeyNames. */
+                        public kmsKeyNames: string[];
+
                         /**
                          * Creates a new RestoreDatabaseEncryptionConfig instance using the specified properties.
                          * @param [properties] Properties to set
diff --git a/protos/protos.js b/protos/protos.js
index feb8d0198..239a3074d 100644
--- a/protos/protos.js
+++ b/protos/protos.js
@@ -17698,6 +17698,7 @@
                              * @property {google.spanner.admin.database.v1.Backup.State|null} [state] Backup state
                              * @property {Array.<string>|null} [referencingDatabases] Backup referencingDatabases
                              * @property {google.spanner.admin.database.v1.IEncryptionInfo|null} [encryptionInfo] Backup encryptionInfo
+                             * @property {Array.<google.spanner.admin.database.v1.IEncryptionInfo>|null} [encryptionInformation] Backup encryptionInformation
                              * @property {google.spanner.admin.database.v1.DatabaseDialect|null} [databaseDialect] Backup databaseDialect
                              * @property {Array.<string>|null} [referencingBackups] Backup referencingBackups
                              * @property {google.protobuf.ITimestamp|null} [maxExpireTime] Backup maxExpireTime
@@ -17713,6 +17714,7 @@
                              */
                             function Backup(properties) {
                                 this.referencingDatabases = [];
+                                this.encryptionInformation = [];
                                 this.referencingBackups = [];
                                 if (properties)
                                     for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
@@ -17792,6 +17794,14 @@
                              */
                             Backup.prototype.encryptionInfo = null;
     
+                            /**
+                             * Backup encryptionInformation.
+                             * @member {Array.<google.spanner.admin.database.v1.IEncryptionInfo>} encryptionInformation
+                             * @memberof google.spanner.admin.database.v1.Backup
+                             * @instance
+                             */
+                            Backup.prototype.encryptionInformation = $util.emptyArray;
+    
                             /**
                              * Backup databaseDialect.
                              * @member {google.spanner.admin.database.v1.DatabaseDialect} databaseDialect
@@ -17866,6 +17876,9 @@
                                         writer.uint32(/* id 11, wireType 2 =*/90).string(message.referencingBackups[i]);
                                 if (message.maxExpireTime != null && Object.hasOwnProperty.call(message, "maxExpireTime"))
                                     $root.google.protobuf.Timestamp.encode(message.maxExpireTime, writer.uint32(/* id 12, wireType 2 =*/98).fork()).ldelim();
+                                if (message.encryptionInformation != null && message.encryptionInformation.length)
+                                    for (var i = 0; i < message.encryptionInformation.length; ++i)
+                                        $root.google.spanner.admin.database.v1.EncryptionInfo.encode(message.encryptionInformation[i], writer.uint32(/* id 13, wireType 2 =*/106).fork()).ldelim();
                                 return writer;
                             };
     
@@ -17938,6 +17951,12 @@
                                             message.encryptionInfo = $root.google.spanner.admin.database.v1.EncryptionInfo.decode(reader, reader.uint32());
                                             break;
                                         }
+                                    case 13: {
+                                            if (!(message.encryptionInformation && message.encryptionInformation.length))
+                                                message.encryptionInformation = [];
+                                            message.encryptionInformation.push($root.google.spanner.admin.database.v1.EncryptionInfo.decode(reader, reader.uint32()));
+                                            break;
+                                        }
                                     case 10: {
                                             message.databaseDialect = reader.int32();
                                             break;
@@ -18032,6 +18051,15 @@
                                     if (error)
                                         return "encryptionInfo." + error;
                                 }
+                                if (message.encryptionInformation != null && message.hasOwnProperty("encryptionInformation")) {
+                                    if (!Array.isArray(message.encryptionInformation))
+                                        return "encryptionInformation: array expected";
+                                    for (var i = 0; i < message.encryptionInformation.length; ++i) {
+                                        var error = $root.google.spanner.admin.database.v1.EncryptionInfo.verify(message.encryptionInformation[i]);
+                                        if (error)
+                                            return "encryptionInformation." + error;
+                                    }
+                                }
                                 if (message.databaseDialect != null && message.hasOwnProperty("databaseDialect"))
                                     switch (message.databaseDialect) {
                                     default:
@@ -18128,6 +18156,16 @@
                                         throw TypeError(".google.spanner.admin.database.v1.Backup.encryptionInfo: object expected");
                                     message.encryptionInfo = $root.google.spanner.admin.database.v1.EncryptionInfo.fromObject(object.encryptionInfo);
                                 }
+                                if (object.encryptionInformation) {
+                                    if (!Array.isArray(object.encryptionInformation))
+                                        throw TypeError(".google.spanner.admin.database.v1.Backup.encryptionInformation: array expected");
+                                    message.encryptionInformation = [];
+                                    for (var i = 0; i < object.encryptionInformation.length; ++i) {
+                                        if (typeof object.encryptionInformation[i] !== "object")
+                                            throw TypeError(".google.spanner.admin.database.v1.Backup.encryptionInformation: object expected");
+                                        message.encryptionInformation[i] = $root.google.spanner.admin.database.v1.EncryptionInfo.fromObject(object.encryptionInformation[i]);
+                                    }
+                                }
                                 switch (object.databaseDialect) {
                                 default:
                                     if (typeof object.databaseDialect === "number") {
@@ -18179,6 +18217,7 @@
                                 if (options.arrays || options.defaults) {
                                     object.referencingDatabases = [];
                                     object.referencingBackups = [];
+                                    object.encryptionInformation = [];
                                 }
                                 if (options.defaults) {
                                     object.name = "";
@@ -18229,6 +18268,11 @@
                                 }
                                 if (message.maxExpireTime != null && message.hasOwnProperty("maxExpireTime"))
                                     object.maxExpireTime = $root.google.protobuf.Timestamp.toObject(message.maxExpireTime, options);
+                                if (message.encryptionInformation && message.encryptionInformation.length) {
+                                    object.encryptionInformation = [];
+                                    for (var j = 0; j < message.encryptionInformation.length; ++j)
+                                        object.encryptionInformation[j] = $root.google.spanner.admin.database.v1.EncryptionInfo.toObject(message.encryptionInformation[j], options);
+                                }
                                 return object;
                             };
     
@@ -21408,6 +21452,7 @@
                              * @interface ICreateBackupEncryptionConfig
                              * @property {google.spanner.admin.database.v1.CreateBackupEncryptionConfig.EncryptionType|null} [encryptionType] CreateBackupEncryptionConfig encryptionType
                              * @property {string|null} [kmsKeyName] CreateBackupEncryptionConfig kmsKeyName
+                             * @property {Array.<string>|null} [kmsKeyNames] CreateBackupEncryptionConfig kmsKeyNames
                              */
     
                             /**
@@ -21419,6 +21464,7 @@
                              * @param {google.spanner.admin.database.v1.ICreateBackupEncryptionConfig=} [properties] Properties to set
                              */
                             function CreateBackupEncryptionConfig(properties) {
+                                this.kmsKeyNames = [];
                                 if (properties)
                                     for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                                         if (properties[keys[i]] != null)
@@ -21441,6 +21487,14 @@
                              */
                             CreateBackupEncryptionConfig.prototype.kmsKeyName = "";
     
+                            /**
+                             * CreateBackupEncryptionConfig kmsKeyNames.
+                             * @member {Array.<string>} kmsKeyNames
+                             * @memberof google.spanner.admin.database.v1.CreateBackupEncryptionConfig
+                             * @instance
+                             */
+                            CreateBackupEncryptionConfig.prototype.kmsKeyNames = $util.emptyArray;
+    
                             /**
                              * Creates a new CreateBackupEncryptionConfig instance using the specified properties.
                              * @function create
@@ -21469,6 +21523,9 @@
                                     writer.uint32(/* id 1, wireType 0 =*/8).int32(message.encryptionType);
                                 if (message.kmsKeyName != null && Object.hasOwnProperty.call(message, "kmsKeyName"))
                                     writer.uint32(/* id 2, wireType 2 =*/18).string(message.kmsKeyName);
+                                if (message.kmsKeyNames != null && message.kmsKeyNames.length)
+                                    for (var i = 0; i < message.kmsKeyNames.length; ++i)
+                                        writer.uint32(/* id 3, wireType 2 =*/26).string(message.kmsKeyNames[i]);
                                 return writer;
                             };
     
@@ -21511,6 +21568,12 @@
                                             message.kmsKeyName = reader.string();
                                             break;
                                         }
+                                    case 3: {
+                                            if (!(message.kmsKeyNames && message.kmsKeyNames.length))
+                                                message.kmsKeyNames = [];
+                                            message.kmsKeyNames.push(reader.string());
+                                            break;
+                                        }
                                     default:
                                         reader.skipType(tag & 7);
                                         break;
@@ -21559,6 +21622,13 @@
                                 if (message.kmsKeyName != null && message.hasOwnProperty("kmsKeyName"))
                                     if (!$util.isString(message.kmsKeyName))
                                         return "kmsKeyName: string expected";
+                                if (message.kmsKeyNames != null && message.hasOwnProperty("kmsKeyNames")) {
+                                    if (!Array.isArray(message.kmsKeyNames))
+                                        return "kmsKeyNames: array expected";
+                                    for (var i = 0; i < message.kmsKeyNames.length; ++i)
+                                        if (!$util.isString(message.kmsKeyNames[i]))
+                                            return "kmsKeyNames: string[] expected";
+                                }
                                 return null;
                             };
     
@@ -21600,6 +21670,13 @@
                                 }
                                 if (object.kmsKeyName != null)
                                     message.kmsKeyName = String(object.kmsKeyName);
+                                if (object.kmsKeyNames) {
+                                    if (!Array.isArray(object.kmsKeyNames))
+                                        throw TypeError(".google.spanner.admin.database.v1.CreateBackupEncryptionConfig.kmsKeyNames: array expected");
+                                    message.kmsKeyNames = [];
+                                    for (var i = 0; i < object.kmsKeyNames.length; ++i)
+                                        message.kmsKeyNames[i] = String(object.kmsKeyNames[i]);
+                                }
                                 return message;
                             };
     
@@ -21616,6 +21693,8 @@
                                 if (!options)
                                     options = {};
                                 var object = {};
+                                if (options.arrays || options.defaults)
+                                    object.kmsKeyNames = [];
                                 if (options.defaults) {
                                     object.encryptionType = options.enums === String ? "ENCRYPTION_TYPE_UNSPECIFIED" : 0;
                                     object.kmsKeyName = "";
@@ -21624,6 +21703,11 @@
                                     object.encryptionType = options.enums === String ? $root.google.spanner.admin.database.v1.CreateBackupEncryptionConfig.EncryptionType[message.encryptionType] === undefined ? message.encryptionType : $root.google.spanner.admin.database.v1.CreateBackupEncryptionConfig.EncryptionType[message.encryptionType] : message.encryptionType;
                                 if (message.kmsKeyName != null && message.hasOwnProperty("kmsKeyName"))
                                     object.kmsKeyName = message.kmsKeyName;
+                                if (message.kmsKeyNames && message.kmsKeyNames.length) {
+                                    object.kmsKeyNames = [];
+                                    for (var j = 0; j < message.kmsKeyNames.length; ++j)
+                                        object.kmsKeyNames[j] = message.kmsKeyNames[j];
+                                }
                                 return object;
                             };
     
@@ -21682,6 +21766,7 @@
                              * @interface ICopyBackupEncryptionConfig
                              * @property {google.spanner.admin.database.v1.CopyBackupEncryptionConfig.EncryptionType|null} [encryptionType] CopyBackupEncryptionConfig encryptionType
                              * @property {string|null} [kmsKeyName] CopyBackupEncryptionConfig kmsKeyName
+                             * @property {Array.<string>|null} [kmsKeyNames] CopyBackupEncryptionConfig kmsKeyNames
                              */
     
                             /**
@@ -21693,6 +21778,7 @@
                              * @param {google.spanner.admin.database.v1.ICopyBackupEncryptionConfig=} [properties] Properties to set
                              */
                             function CopyBackupEncryptionConfig(properties) {
+                                this.kmsKeyNames = [];
                                 if (properties)
                                     for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                                         if (properties[keys[i]] != null)
@@ -21715,6 +21801,14 @@
                              */
                             CopyBackupEncryptionConfig.prototype.kmsKeyName = "";
     
+                            /**
+                             * CopyBackupEncryptionConfig kmsKeyNames.
+                             * @member {Array.<string>} kmsKeyNames
+                             * @memberof google.spanner.admin.database.v1.CopyBackupEncryptionConfig
+                             * @instance
+                             */
+                            CopyBackupEncryptionConfig.prototype.kmsKeyNames = $util.emptyArray;
+    
                             /**
                              * Creates a new CopyBackupEncryptionConfig instance using the specified properties.
                              * @function create
@@ -21743,6 +21837,9 @@
                                     writer.uint32(/* id 1, wireType 0 =*/8).int32(message.encryptionType);
                                 if (message.kmsKeyName != null && Object.hasOwnProperty.call(message, "kmsKeyName"))
                                     writer.uint32(/* id 2, wireType 2 =*/18).string(message.kmsKeyName);
+                                if (message.kmsKeyNames != null && message.kmsKeyNames.length)
+                                    for (var i = 0; i < message.kmsKeyNames.length; ++i)
+                                        writer.uint32(/* id 3, wireType 2 =*/26).string(message.kmsKeyNames[i]);
                                 return writer;
                             };
     
@@ -21785,6 +21882,12 @@
                                             message.kmsKeyName = reader.string();
                                             break;
                                         }
+                                    case 3: {
+                                            if (!(message.kmsKeyNames && message.kmsKeyNames.length))
+                                                message.kmsKeyNames = [];
+                                            message.kmsKeyNames.push(reader.string());
+                                            break;
+                                        }
                                     default:
                                         reader.skipType(tag & 7);
                                         break;
@@ -21833,6 +21936,13 @@
                                 if (message.kmsKeyName != null && message.hasOwnProperty("kmsKeyName"))
                                     if (!$util.isString(message.kmsKeyName))
                                         return "kmsKeyName: string expected";
+                                if (message.kmsKeyNames != null && message.hasOwnProperty("kmsKeyNames")) {
+                                    if (!Array.isArray(message.kmsKeyNames))
+                                        return "kmsKeyNames: array expected";
+                                    for (var i = 0; i < message.kmsKeyNames.length; ++i)
+                                        if (!$util.isString(message.kmsKeyNames[i]))
+                                            return "kmsKeyNames: string[] expected";
+                                }
                                 return null;
                             };
     
@@ -21874,6 +21984,13 @@
                                 }
                                 if (object.kmsKeyName != null)
                                     message.kmsKeyName = String(object.kmsKeyName);
+                                if (object.kmsKeyNames) {
+                                    if (!Array.isArray(object.kmsKeyNames))
+                                        throw TypeError(".google.spanner.admin.database.v1.CopyBackupEncryptionConfig.kmsKeyNames: array expected");
+                                    message.kmsKeyNames = [];
+                                    for (var i = 0; i < object.kmsKeyNames.length; ++i)
+                                        message.kmsKeyNames[i] = String(object.kmsKeyNames[i]);
+                                }
                                 return message;
                             };
     
@@ -21890,6 +22007,8 @@
                                 if (!options)
                                     options = {};
                                 var object = {};
+                                if (options.arrays || options.defaults)
+                                    object.kmsKeyNames = [];
                                 if (options.defaults) {
                                     object.encryptionType = options.enums === String ? "ENCRYPTION_TYPE_UNSPECIFIED" : 0;
                                     object.kmsKeyName = "";
@@ -21898,6 +22017,11 @@
                                     object.encryptionType = options.enums === String ? $root.google.spanner.admin.database.v1.CopyBackupEncryptionConfig.EncryptionType[message.encryptionType] === undefined ? message.encryptionType : $root.google.spanner.admin.database.v1.CopyBackupEncryptionConfig.EncryptionType[message.encryptionType] : message.encryptionType;
                                 if (message.kmsKeyName != null && message.hasOwnProperty("kmsKeyName"))
                                     object.kmsKeyName = message.kmsKeyName;
+                                if (message.kmsKeyNames && message.kmsKeyNames.length) {
+                                    object.kmsKeyNames = [];
+                                    for (var j = 0; j < message.kmsKeyNames.length; ++j)
+                                        object.kmsKeyNames[j] = message.kmsKeyNames[j];
+                                }
                                 return object;
                             };
     
@@ -22215,6 +22339,7 @@
                              * @memberof google.spanner.admin.database.v1
                              * @interface IEncryptionConfig
                              * @property {string|null} [kmsKeyName] EncryptionConfig kmsKeyName
+                             * @property {Array.<string>|null} [kmsKeyNames] EncryptionConfig kmsKeyNames
                              */
     
                             /**
@@ -22226,6 +22351,7 @@
                              * @param {google.spanner.admin.database.v1.IEncryptionConfig=} [properties] Properties to set
                              */
                             function EncryptionConfig(properties) {
+                                this.kmsKeyNames = [];
                                 if (properties)
                                     for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                                         if (properties[keys[i]] != null)
@@ -22240,6 +22366,14 @@
                              */
                             EncryptionConfig.prototype.kmsKeyName = "";
     
+                            /**
+                             * EncryptionConfig kmsKeyNames.
+                             * @member {Array.<string>} kmsKeyNames
+                             * @memberof google.spanner.admin.database.v1.EncryptionConfig
+                             * @instance
+                             */
+                            EncryptionConfig.prototype.kmsKeyNames = $util.emptyArray;
+    
                             /**
                              * Creates a new EncryptionConfig instance using the specified properties.
                              * @function create
@@ -22266,6 +22400,9 @@
                                     writer = $Writer.create();
                                 if (message.kmsKeyName != null && Object.hasOwnProperty.call(message, "kmsKeyName"))
                                     writer.uint32(/* id 2, wireType 2 =*/18).string(message.kmsKeyName);
+                                if (message.kmsKeyNames != null && message.kmsKeyNames.length)
+                                    for (var i = 0; i < message.kmsKeyNames.length; ++i)
+                                        writer.uint32(/* id 3, wireType 2 =*/26).string(message.kmsKeyNames[i]);
                                 return writer;
                             };
     
@@ -22304,6 +22441,12 @@
                                             message.kmsKeyName = reader.string();
                                             break;
                                         }
+                                    case 3: {
+                                            if (!(message.kmsKeyNames && message.kmsKeyNames.length))
+                                                message.kmsKeyNames = [];
+                                            message.kmsKeyNames.push(reader.string());
+                                            break;
+                                        }
                                     default:
                                         reader.skipType(tag & 7);
                                         break;
@@ -22342,6 +22485,13 @@
                                 if (message.kmsKeyName != null && message.hasOwnProperty("kmsKeyName"))
                                     if (!$util.isString(message.kmsKeyName))
                                         return "kmsKeyName: string expected";
+                                if (message.kmsKeyNames != null && message.hasOwnProperty("kmsKeyNames")) {
+                                    if (!Array.isArray(message.kmsKeyNames))
+                                        return "kmsKeyNames: array expected";
+                                    for (var i = 0; i < message.kmsKeyNames.length; ++i)
+                                        if (!$util.isString(message.kmsKeyNames[i]))
+                                            return "kmsKeyNames: string[] expected";
+                                }
                                 return null;
                             };
     
@@ -22359,6 +22509,13 @@
                                 var message = new $root.google.spanner.admin.database.v1.EncryptionConfig();
                                 if (object.kmsKeyName != null)
                                     message.kmsKeyName = String(object.kmsKeyName);
+                                if (object.kmsKeyNames) {
+                                    if (!Array.isArray(object.kmsKeyNames))
+                                        throw TypeError(".google.spanner.admin.database.v1.EncryptionConfig.kmsKeyNames: array expected");
+                                    message.kmsKeyNames = [];
+                                    for (var i = 0; i < object.kmsKeyNames.length; ++i)
+                                        message.kmsKeyNames[i] = String(object.kmsKeyNames[i]);
+                                }
                                 return message;
                             };
     
@@ -22375,10 +22532,17 @@
                                 if (!options)
                                     options = {};
                                 var object = {};
+                                if (options.arrays || options.defaults)
+                                    object.kmsKeyNames = [];
                                 if (options.defaults)
                                     object.kmsKeyName = "";
                                 if (message.kmsKeyName != null && message.hasOwnProperty("kmsKeyName"))
                                     object.kmsKeyName = message.kmsKeyName;
+                                if (message.kmsKeyNames && message.kmsKeyNames.length) {
+                                    object.kmsKeyNames = [];
+                                    for (var j = 0; j < message.kmsKeyNames.length; ++j)
+                                        object.kmsKeyNames[j] = message.kmsKeyNames[j];
+                                }
                                 return object;
                             };
     
@@ -28487,6 +28651,7 @@
                              * @interface IRestoreDatabaseEncryptionConfig
                              * @property {google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.EncryptionType|null} [encryptionType] RestoreDatabaseEncryptionConfig encryptionType
                              * @property {string|null} [kmsKeyName] RestoreDatabaseEncryptionConfig kmsKeyName
+                             * @property {Array.<string>|null} [kmsKeyNames] RestoreDatabaseEncryptionConfig kmsKeyNames
                              */
     
                             /**
@@ -28498,6 +28663,7 @@
                              * @param {google.spanner.admin.database.v1.IRestoreDatabaseEncryptionConfig=} [properties] Properties to set
                              */
                             function RestoreDatabaseEncryptionConfig(properties) {
+                                this.kmsKeyNames = [];
                                 if (properties)
                                     for (var keys = Object.keys(properties), i = 0; i < keys.length; ++i)
                                         if (properties[keys[i]] != null)
@@ -28520,6 +28686,14 @@
                              */
                             RestoreDatabaseEncryptionConfig.prototype.kmsKeyName = "";
     
+                            /**
+                             * RestoreDatabaseEncryptionConfig kmsKeyNames.
+                             * @member {Array.<string>} kmsKeyNames
+                             * @memberof google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig
+                             * @instance
+                             */
+                            RestoreDatabaseEncryptionConfig.prototype.kmsKeyNames = $util.emptyArray;
+    
                             /**
                              * Creates a new RestoreDatabaseEncryptionConfig instance using the specified properties.
                              * @function create
@@ -28548,6 +28722,9 @@
                                     writer.uint32(/* id 1, wireType 0 =*/8).int32(message.encryptionType);
                                 if (message.kmsKeyName != null && Object.hasOwnProperty.call(message, "kmsKeyName"))
                                     writer.uint32(/* id 2, wireType 2 =*/18).string(message.kmsKeyName);
+                                if (message.kmsKeyNames != null && message.kmsKeyNames.length)
+                                    for (var i = 0; i < message.kmsKeyNames.length; ++i)
+                                        writer.uint32(/* id 3, wireType 2 =*/26).string(message.kmsKeyNames[i]);
                                 return writer;
                             };
     
@@ -28590,6 +28767,12 @@
                                             message.kmsKeyName = reader.string();
                                             break;
                                         }
+                                    case 3: {
+                                            if (!(message.kmsKeyNames && message.kmsKeyNames.length))
+                                                message.kmsKeyNames = [];
+                                            message.kmsKeyNames.push(reader.string());
+                                            break;
+                                        }
                                     default:
                                         reader.skipType(tag & 7);
                                         break;
@@ -28638,6 +28821,13 @@
                                 if (message.kmsKeyName != null && message.hasOwnProperty("kmsKeyName"))
                                     if (!$util.isString(message.kmsKeyName))
                                         return "kmsKeyName: string expected";
+                                if (message.kmsKeyNames != null && message.hasOwnProperty("kmsKeyNames")) {
+                                    if (!Array.isArray(message.kmsKeyNames))
+                                        return "kmsKeyNames: array expected";
+                                    for (var i = 0; i < message.kmsKeyNames.length; ++i)
+                                        if (!$util.isString(message.kmsKeyNames[i]))
+                                            return "kmsKeyNames: string[] expected";
+                                }
                                 return null;
                             };
     
@@ -28679,6 +28869,13 @@
                                 }
                                 if (object.kmsKeyName != null)
                                     message.kmsKeyName = String(object.kmsKeyName);
+                                if (object.kmsKeyNames) {
+                                    if (!Array.isArray(object.kmsKeyNames))
+                                        throw TypeError(".google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.kmsKeyNames: array expected");
+                                    message.kmsKeyNames = [];
+                                    for (var i = 0; i < object.kmsKeyNames.length; ++i)
+                                        message.kmsKeyNames[i] = String(object.kmsKeyNames[i]);
+                                }
                                 return message;
                             };
     
@@ -28695,6 +28892,8 @@
                                 if (!options)
                                     options = {};
                                 var object = {};
+                                if (options.arrays || options.defaults)
+                                    object.kmsKeyNames = [];
                                 if (options.defaults) {
                                     object.encryptionType = options.enums === String ? "ENCRYPTION_TYPE_UNSPECIFIED" : 0;
                                     object.kmsKeyName = "";
@@ -28703,6 +28902,11 @@
                                     object.encryptionType = options.enums === String ? $root.google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.EncryptionType[message.encryptionType] === undefined ? message.encryptionType : $root.google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.EncryptionType[message.encryptionType] : message.encryptionType;
                                 if (message.kmsKeyName != null && message.hasOwnProperty("kmsKeyName"))
                                     object.kmsKeyName = message.kmsKeyName;
+                                if (message.kmsKeyNames && message.kmsKeyNames.length) {
+                                    object.kmsKeyNames = [];
+                                    for (var j = 0; j < message.kmsKeyNames.length; ++j)
+                                        object.kmsKeyNames[j] = message.kmsKeyNames[j];
+                                }
                                 return object;
                             };
     
diff --git a/protos/protos.json b/protos/protos.json
index 2c8db5995..f1daeaffc 100644
--- a/protos/protos.json
+++ b/protos/protos.json
@@ -1690,6 +1690,14 @@
                                 "(google.api.field_behavior)": "OUTPUT_ONLY"
                               }
                             },
+                            "encryptionInformation": {
+                              "rule": "repeated",
+                              "type": "EncryptionInfo",
+                              "id": 13,
+                              "options": {
+                                "(google.api.field_behavior)": "OUTPUT_ONLY"
+                              }
+                            },
                             "databaseDialect": {
                               "type": "DatabaseDialect",
                               "id": 10,
@@ -2008,6 +2016,15 @@
                                 "(google.api.field_behavior)": "OPTIONAL",
                                 "(google.api.resource_reference).type": "cloudkms.googleapis.com/CryptoKey"
                               }
+                            },
+                            "kmsKeyNames": {
+                              "rule": "repeated",
+                              "type": "string",
+                              "id": 3,
+                              "options": {
+                                "(google.api.field_behavior)": "OPTIONAL",
+                                "(google.api.resource_reference).type": "cloudkms.googleapis.com/CryptoKey"
+                              }
                             }
                           },
                           "nested": {
@@ -2037,6 +2054,15 @@
                                 "(google.api.field_behavior)": "OPTIONAL",
                                 "(google.api.resource_reference).type": "cloudkms.googleapis.com/CryptoKey"
                               }
+                            },
+                            "kmsKeyNames": {
+                              "rule": "repeated",
+                              "type": "string",
+                              "id": 3,
+                              "options": {
+                                "(google.api.field_behavior)": "OPTIONAL",
+                                "(google.api.resource_reference).type": "cloudkms.googleapis.com/CryptoKey"
+                              }
                             }
                           },
                           "nested": {
@@ -2074,6 +2100,14 @@
                               "options": {
                                 "(google.api.resource_reference).type": "cloudkms.googleapis.com/CryptoKey"
                               }
+                            },
+                            "kmsKeyNames": {
+                              "rule": "repeated",
+                              "type": "string",
+                              "id": 3,
+                              "options": {
+                                "(google.api.resource_reference).type": "cloudkms.googleapis.com/CryptoKey"
+                              }
                             }
                           }
                         },
@@ -3052,6 +3086,15 @@
                                 "(google.api.field_behavior)": "OPTIONAL",
                                 "(google.api.resource_reference).type": "cloudkms.googleapis.com/CryptoKey"
                               }
+                            },
+                            "kmsKeyNames": {
+                              "rule": "repeated",
+                              "type": "string",
+                              "id": 3,
+                              "options": {
+                                "(google.api.field_behavior)": "OPTIONAL",
+                                "(google.api.resource_reference).type": "cloudkms.googleapis.com/CryptoKey"
+                              }
                             }
                           },
                           "nested": {
diff --git a/src/v1/database_admin_client.ts b/src/v1/database_admin_client.ts
index a4e26200a..3fae88a1d 100644
--- a/src/v1/database_admin_client.ts
+++ b/src/v1/database_admin_client.ts
@@ -46,7 +46,7 @@ const version = require('../../../package.json').version;
  *  The Cloud Spanner Database Admin API can be used to:
  *    * create, drop, and list databases
  *    * update the schema of pre-existing databases
- *    * create, delete and list backups for a database
+ *    * create, delete, copy and list backups for a database
  *    * restore a database from an existing backup
  * @class
  * @memberof v1
@@ -1139,7 +1139,8 @@ export class DatabaseAdminClient {
     return this.innerApiCalls.testIamPermissions(request, options, callback);
   }
   /**
-   * Gets metadata on a pending or completed {@link protos.google.spanner.admin.database.v1.Backup|Backup}.
+   * Gets metadata on a pending or completed
+   * {@link protos.google.spanner.admin.database.v1.Backup|Backup}.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1229,7 +1230,8 @@ export class DatabaseAdminClient {
     return this.innerApiCalls.getBackup(request, options, callback);
   }
   /**
-   * Updates a pending or completed {@link protos.google.spanner.admin.database.v1.Backup|Backup}.
+   * Updates a pending or completed
+   * {@link protos.google.spanner.admin.database.v1.Backup|Backup}.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1326,7 +1328,8 @@ export class DatabaseAdminClient {
     return this.innerApiCalls.updateBackup(request, options, callback);
   }
   /**
-   * Deletes a pending or completed {@link protos.google.spanner.admin.database.v1.Backup|Backup}.
+   * Deletes a pending or completed
+   * {@link protos.google.spanner.admin.database.v1.Backup|Backup}.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1422,8 +1425,8 @@ export class DatabaseAdminClient {
    * have a name of the format `<database_name>/operations/<operation_id>` and
    * can be used to track preparation of the database. The
    * {@link protos.google.longrunning.Operation.metadata|metadata} field type is
-   * {@link protos.google.spanner.admin.database.v1.CreateDatabaseMetadata|CreateDatabaseMetadata}. The
-   * {@link protos.google.longrunning.Operation.response|response} field type is
+   * {@link protos.google.spanner.admin.database.v1.CreateDatabaseMetadata|CreateDatabaseMetadata}.
+   * The {@link protos.google.longrunning.Operation.response|response} field type is
    * {@link protos.google.spanner.admin.database.v1.Database|Database}, if successful.
    *
    * @param {Object} request
@@ -1443,8 +1446,8 @@ export class DatabaseAdminClient {
    *   statements execute atomically with the creation of the database:
    *   if there is an error in any statement, the database is not created.
    * @param {google.spanner.admin.database.v1.EncryptionConfig} [request.encryptionConfig]
-   *   Optional. The encryption configuration for the database. If this field is not
-   *   specified, Cloud Spanner will encrypt/decrypt all data at rest using
+   *   Optional. The encryption configuration for the database. If this field is
+   *   not specified, Cloud Spanner will encrypt/decrypt all data at rest using
    *   Google default encryption.
    * @param {google.spanner.admin.database.v1.DatabaseDialect} [request.databaseDialect]
    *   Optional. The dialect of the Cloud Spanner Database.
@@ -1768,7 +1771,8 @@ export class DatabaseAdminClient {
    * the format `<database_name>/operations/<operation_id>` and can be used to
    * track execution of the schema change(s). The
    * {@link protos.google.longrunning.Operation.metadata|metadata} field type is
-   * {@link protos.google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata|UpdateDatabaseDdlMetadata}.  The operation has no response.
+   * {@link protos.google.spanner.admin.database.v1.UpdateDatabaseDdlMetadata|UpdateDatabaseDdlMetadata}.
+   * The operation has no response.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1784,18 +1788,20 @@ export class DatabaseAdminClient {
    *
    *   Specifying an explicit operation ID simplifies determining
    *   whether the statements were executed in the event that the
-   *   {@link protos.google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl|UpdateDatabaseDdl} call is replayed,
-   *   or the return value is otherwise lost: the {@link protos.google.spanner.admin.database.v1.UpdateDatabaseDdlRequest.database|database} and
-   *   `operation_id` fields can be combined to form the
+   *   {@link protos.google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl|UpdateDatabaseDdl}
+   *   call is replayed, or the return value is otherwise lost: the
+   *   {@link protos.google.spanner.admin.database.v1.UpdateDatabaseDdlRequest.database|database}
+   *   and `operation_id` fields can be combined to form the
    *   {@link protos.google.longrunning.Operation.name|name} of the resulting
-   *   {@link protos.google.longrunning.Operation|longrunning.Operation}: `<database>/operations/<operation_id>`.
+   *   {@link protos.google.longrunning.Operation|longrunning.Operation}:
+   *   `<database>/operations/<operation_id>`.
    *
    *   `operation_id` should be unique within the database, and must be
    *   a valid identifier: `{@link protos.a-z0-9_|a-z}*`. Note that
    *   automatically-generated operation IDs always begin with an
    *   underscore. If the named operation already exists,
-   *   {@link protos.google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl|UpdateDatabaseDdl} returns
-   *   `ALREADY_EXISTS`.
+   *   {@link protos.google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabaseDdl|UpdateDatabaseDdl}
+   *   returns `ALREADY_EXISTS`.
    * @param {Buffer} [request.protoDescriptors]
    *   Optional. Proto descriptors used by CREATE/ALTER PROTO BUNDLE statements.
    *   Contains a protobuf-serialized
@@ -1943,12 +1949,12 @@ export class DatabaseAdminClient {
    * `projects/<project>/instances/<instance>/backups/<backup>/operations/<operation_id>`
    * and can be used to track creation of the backup. The
    * {@link protos.google.longrunning.Operation.metadata|metadata} field type is
-   * {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}. The
-   * {@link protos.google.longrunning.Operation.response|response} field type is
-   * {@link protos.google.spanner.admin.database.v1.Backup|Backup}, if successful. Cancelling the returned operation will stop the
-   * creation and delete the backup.
-   * There can be only one pending backup creation per database. Backup creation
-   * of different databases can run concurrently.
+   * {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
+   * The {@link protos.google.longrunning.Operation.response|response} field type is
+   * {@link protos.google.spanner.admin.database.v1.Backup|Backup}, if successful.
+   * Cancelling the returned operation will stop the creation and delete the
+   * backup. There can be only one pending backup creation per database. Backup
+   * creation of different databases can run concurrently.
    *
    * @param {Object} request
    *   The request object that will be sent.
@@ -1966,11 +1972,11 @@ export class DatabaseAdminClient {
    * @param {google.spanner.admin.database.v1.Backup} request.backup
    *   Required. The backup to create.
    * @param {google.spanner.admin.database.v1.CreateBackupEncryptionConfig} [request.encryptionConfig]
-   *   Optional. The encryption configuration used to encrypt the backup. If this field is
-   *   not specified, the backup will use the same
-   *   encryption configuration as the database by default, namely
-   *   {@link protos.google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type|encryption_type} =
-   *   `USE_DATABASE_ENCRYPTION`.
+   *   Optional. The encryption configuration used to encrypt the backup. If this
+   *   field is not specified, the backup will use the same encryption
+   *   configuration as the database by default, namely
+   *   {@link protos.google.spanner.admin.database.v1.CreateBackupEncryptionConfig.encryption_type|encryption_type}
+   *   = `USE_DATABASE_ENCRYPTION`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -2106,15 +2112,16 @@ export class DatabaseAdminClient {
    * The {@link protos.google.longrunning.Operation.metadata|metadata} field type is
    * {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}.
    * The {@link protos.google.longrunning.Operation.response|response} field type is
-   * {@link protos.google.spanner.admin.database.v1.Backup|Backup}, if successful. Cancelling the returned operation will stop the
-   * copying and delete the backup.
-   * Concurrent CopyBackup requests can run on the same source backup.
+   * {@link protos.google.spanner.admin.database.v1.Backup|Backup}, if successful.
+   * Cancelling the returned operation will stop the copying and delete the
+   * destination backup. Concurrent CopyBackup requests can run on the same
+   * source backup.
    *
    * @param {Object} request
    *   The request object that will be sent.
    * @param {string} request.parent
-   *   Required. The name of the destination instance that will contain the backup copy.
-   *   Values are of the form: `projects/<project>/instances/<instance>`.
+   *   Required. The name of the destination instance that will contain the backup
+   *   copy. Values are of the form: `projects/<project>/instances/<instance>`.
    * @param {string} request.backupId
    *   Required. The id of the backup copy.
    *   The `backup_id` appended to `parent` forms the full backup_uri of the form
@@ -2133,11 +2140,11 @@ export class DatabaseAdminClient {
    *   passed, the backup is eligible to be automatically deleted by Cloud Spanner
    *   to free the resources used by the backup.
    * @param {google.spanner.admin.database.v1.CopyBackupEncryptionConfig} [request.encryptionConfig]
-   *   Optional. The encryption configuration used to encrypt the backup. If this field is
-   *   not specified, the backup will use the same
-   *   encryption configuration as the source backup by default, namely
-   *   {@link protos.google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type|encryption_type} =
-   *   `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
+   *   Optional. The encryption configuration used to encrypt the backup. If this
+   *   field is not specified, the backup will use the same encryption
+   *   configuration as the source backup by default, namely
+   *   {@link protos.google.spanner.admin.database.v1.CopyBackupEncryptionConfig.encryption_type|encryption_type}
+   *   = `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -2299,12 +2306,12 @@ export class DatabaseAdminClient {
    *   Name of the backup from which to restore.  Values are of the form
    *   `projects/<project>/instances/<instance>/backups/<backup>`.
    * @param {google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig} [request.encryptionConfig]
-   *   Optional. An encryption configuration describing the encryption type and key
-   *   resources in Cloud KMS used to encrypt/decrypt the database to restore to.
-   *   If this field is not specified, the restored database will use
-   *   the same encryption configuration as the backup by default, namely
-   *   {@link protos.google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type|encryption_type} =
-   *   `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
+   *   Optional. An encryption configuration describing the encryption type and
+   *   key resources in Cloud KMS used to encrypt/decrypt the database to restore
+   *   to. If this field is not specified, the restored database will use the same
+   *   encryption configuration as the backup by default, namely
+   *   {@link protos.google.spanner.admin.database.v1.RestoreDatabaseEncryptionConfig.encryption_type|encryption_type}
+   *   = `USE_CONFIG_DEFAULT_OR_BACKUP_ENCRYPTION`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -2443,8 +2450,9 @@ export class DatabaseAdminClient {
    *   defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse|ListDatabasesResponse}.
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse|ListDatabasesResponse}.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -2544,8 +2552,9 @@ export class DatabaseAdminClient {
    *   defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse|ListDatabasesResponse}.
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse|ListDatabasesResponse}.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Stream}
@@ -2593,8 +2602,9 @@ export class DatabaseAdminClient {
    *   defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse|ListDatabasesResponse}.
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabasesResponse|ListDatabasesResponse}.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Object}
@@ -2645,7 +2655,9 @@ export class DatabaseAdminClient {
    *   must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
    *   Colon `:` is the contains operator. Filter rules are not case sensitive.
    *
-   *   The following fields in the {@link protos.google.spanner.admin.database.v1.Backup|Backup} are eligible for filtering:
+   *   The following fields in the
+   *   {@link protos.google.spanner.admin.database.v1.Backup|Backup} are eligible for
+   *   filtering:
    *
    *     * `name`
    *     * `database`
@@ -2677,9 +2689,10 @@ export class DatabaseAdminClient {
    *   less, defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListBackupsResponse|ListBackupsResponse} to the same `parent` and with the same
-   *   `filter`.
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse|ListBackupsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -2783,7 +2796,9 @@ export class DatabaseAdminClient {
    *   must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
    *   Colon `:` is the contains operator. Filter rules are not case sensitive.
    *
-   *   The following fields in the {@link protos.google.spanner.admin.database.v1.Backup|Backup} are eligible for filtering:
+   *   The following fields in the
+   *   {@link protos.google.spanner.admin.database.v1.Backup|Backup} are eligible for
+   *   filtering:
    *
    *     * `name`
    *     * `database`
@@ -2815,9 +2830,10 @@ export class DatabaseAdminClient {
    *   less, defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListBackupsResponse|ListBackupsResponse} to the same `parent` and with the same
-   *   `filter`.
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse|ListBackupsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Stream}
@@ -2869,7 +2885,9 @@ export class DatabaseAdminClient {
    *   must be one of: `<`, `>`, `<=`, `>=`, `!=`, `=`, or `:`.
    *   Colon `:` is the contains operator. Filter rules are not case sensitive.
    *
-   *   The following fields in the {@link protos.google.spanner.admin.database.v1.Backup|Backup} are eligible for filtering:
+   *   The following fields in the
+   *   {@link protos.google.spanner.admin.database.v1.Backup|Backup} are eligible for
+   *   filtering:
    *
    *     * `name`
    *     * `database`
@@ -2901,9 +2919,10 @@ export class DatabaseAdminClient {
    *   less, defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListBackupsResponse|ListBackupsResponse} to the same `parent` and with the same
-   *   `filter`.
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupsResponse|ListBackupsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Object}
@@ -2965,7 +2984,9 @@ export class DatabaseAdminClient {
    *     * `name` - The name of the long-running operation
    *     * `done` - False if the operation is in progress, else true.
    *     * `metadata.@type` - the type of metadata. For example, the type string
-   *        for {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata} is
+   *        for
+   *        {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}
+   *        is
    *        `type.googleapis.com/google.spanner.admin.database.v1.RestoreDatabaseMetadata`.
    *     * `metadata.<field_name>` - any field in metadata.value.
    *        `metadata.@type` must be specified first, if filtering on metadata
@@ -2987,7 +3008,8 @@ export class DatabaseAdminClient {
    *       `(metadata.name:restored_howl) AND` \
    *       `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
    *       `(error:*)` - Return operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}.
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}.
    *       * The database is restored from a backup.
    *       * The backup name contains "backup_howl".
    *       * The restored database's name contains "restored_howl".
@@ -2999,8 +3021,9 @@ export class DatabaseAdminClient {
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
    *   {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse.next_page_token|next_page_token}
-   *   from a previous {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse|ListDatabaseOperationsResponse} to the
-   *   same `parent` and with the same `filter`.
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse|ListDatabaseOperationsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -3114,7 +3137,9 @@ export class DatabaseAdminClient {
    *     * `name` - The name of the long-running operation
    *     * `done` - False if the operation is in progress, else true.
    *     * `metadata.@type` - the type of metadata. For example, the type string
-   *        for {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata} is
+   *        for
+   *        {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}
+   *        is
    *        `type.googleapis.com/google.spanner.admin.database.v1.RestoreDatabaseMetadata`.
    *     * `metadata.<field_name>` - any field in metadata.value.
    *        `metadata.@type` must be specified first, if filtering on metadata
@@ -3136,7 +3161,8 @@ export class DatabaseAdminClient {
    *       `(metadata.name:restored_howl) AND` \
    *       `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
    *       `(error:*)` - Return operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}.
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}.
    *       * The database is restored from a backup.
    *       * The backup name contains "backup_howl".
    *       * The restored database's name contains "restored_howl".
@@ -3148,8 +3174,9 @@ export class DatabaseAdminClient {
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
    *   {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse.next_page_token|next_page_token}
-   *   from a previous {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse|ListDatabaseOperationsResponse} to the
-   *   same `parent` and with the same `filter`.
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse|ListDatabaseOperationsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Stream}
@@ -3207,7 +3234,9 @@ export class DatabaseAdminClient {
    *     * `name` - The name of the long-running operation
    *     * `done` - False if the operation is in progress, else true.
    *     * `metadata.@type` - the type of metadata. For example, the type string
-   *        for {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata} is
+   *        for
+   *        {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}
+   *        is
    *        `type.googleapis.com/google.spanner.admin.database.v1.RestoreDatabaseMetadata`.
    *     * `metadata.<field_name>` - any field in metadata.value.
    *        `metadata.@type` must be specified first, if filtering on metadata
@@ -3229,7 +3258,8 @@ export class DatabaseAdminClient {
    *       `(metadata.name:restored_howl) AND` \
    *       `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
    *       `(error:*)` - Return operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}.
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.RestoreDatabaseMetadata|RestoreDatabaseMetadata}.
    *       * The database is restored from a backup.
    *       * The backup name contains "backup_howl".
    *       * The restored database's name contains "restored_howl".
@@ -3241,8 +3271,9 @@ export class DatabaseAdminClient {
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
    *   {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse.next_page_token|next_page_token}
-   *   from a previous {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse|ListDatabaseOperationsResponse} to the
-   *   same `parent` and with the same `filter`.
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseOperationsResponse|ListDatabaseOperationsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Object}
@@ -3306,7 +3337,9 @@ export class DatabaseAdminClient {
    *     * `name` - The name of the long-running operation
    *     * `done` - False if the operation is in progress, else true.
    *     * `metadata.@type` - the type of metadata. For example, the type string
-   *        for {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata} is
+   *        for
+   *        {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}
+   *        is
    *        `type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata`.
    *     * `metadata.<field_name>` - any field in metadata.value.
    *        `metadata.@type` must be specified first if filtering on metadata
@@ -3324,14 +3357,15 @@ export class DatabaseAdminClient {
    *     * `done:true` - The operation is complete.
    *     * `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
    *        `metadata.database:prod` - Returns operations where:
-   *        * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
-   *        * The database the backup was taken from has a name containing the
-   *        string "prod".
+   *        * The operation's metadata type is
+   *        {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
+   *        * The source database name of backup contains the string "prod".
    *     * `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
    *       `(metadata.name:howl) AND` \
    *       `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
    *       `(error:*)` - Returns operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
    *       * The backup name contains the string "howl".
    *       * The operation started before 2018-03-28T14:50:00Z.
    *       * The operation resulted in an error.
@@ -3339,9 +3373,9 @@ export class DatabaseAdminClient {
    *       `(metadata.source_backup:test) AND` \
    *       `(metadata.progress.start_time < \"2022-01-18T14:50:00Z\") AND` \
    *       `(error:*)` - Returns operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}.
-   *       * The source backup of the copied backup name contains the string
-   *       "test".
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}.
+   *       * The source backup name contains the string "test".
    *       * The operation started before 2022-01-18T14:50:00Z.
    *       * The operation resulted in an error.
    *     * `((metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
@@ -3351,12 +3385,13 @@ export class DatabaseAdminClient {
    *       `(metadata.source_backup:test_bkp)) AND` \
    *       `(error:*)` - Returns operations where:
    *       * The operation's metadata matches either of criteria:
-   *         * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata} AND the
-   *         database the backup was taken from has name containing string
+   *         * The operation's metadata type is
+   *         {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}
+   *         AND the source database name of the backup contains the string
    *         "test_db"
-   *         * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata} AND the
-   *         backup the backup was copied from has name containing string
-   *         "test_bkp"
+   *         * The operation's metadata type is
+   *         {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}
+   *         AND the source backup name contains the string "test_bkp"
    *       * The operation resulted in an error.
    * @param {number} request.pageSize
    *   Number of operations to be returned in the response. If 0 or
@@ -3364,8 +3399,9 @@ export class DatabaseAdminClient {
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
    *   {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse.next_page_token|next_page_token}
-   *   from a previous {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse|ListBackupOperationsResponse} to the
-   *   same `parent` and with the same `filter`.
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse|ListBackupOperationsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -3475,7 +3511,9 @@ export class DatabaseAdminClient {
    *     * `name` - The name of the long-running operation
    *     * `done` - False if the operation is in progress, else true.
    *     * `metadata.@type` - the type of metadata. For example, the type string
-   *        for {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata} is
+   *        for
+   *        {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}
+   *        is
    *        `type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata`.
    *     * `metadata.<field_name>` - any field in metadata.value.
    *        `metadata.@type` must be specified first if filtering on metadata
@@ -3493,14 +3531,15 @@ export class DatabaseAdminClient {
    *     * `done:true` - The operation is complete.
    *     * `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
    *        `metadata.database:prod` - Returns operations where:
-   *        * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
-   *        * The database the backup was taken from has a name containing the
-   *        string "prod".
+   *        * The operation's metadata type is
+   *        {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
+   *        * The source database name of backup contains the string "prod".
    *     * `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
    *       `(metadata.name:howl) AND` \
    *       `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
    *       `(error:*)` - Returns operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
    *       * The backup name contains the string "howl".
    *       * The operation started before 2018-03-28T14:50:00Z.
    *       * The operation resulted in an error.
@@ -3508,9 +3547,9 @@ export class DatabaseAdminClient {
    *       `(metadata.source_backup:test) AND` \
    *       `(metadata.progress.start_time < \"2022-01-18T14:50:00Z\") AND` \
    *       `(error:*)` - Returns operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}.
-   *       * The source backup of the copied backup name contains the string
-   *       "test".
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}.
+   *       * The source backup name contains the string "test".
    *       * The operation started before 2022-01-18T14:50:00Z.
    *       * The operation resulted in an error.
    *     * `((metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
@@ -3520,12 +3559,13 @@ export class DatabaseAdminClient {
    *       `(metadata.source_backup:test_bkp)) AND` \
    *       `(error:*)` - Returns operations where:
    *       * The operation's metadata matches either of criteria:
-   *         * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata} AND the
-   *         database the backup was taken from has name containing string
+   *         * The operation's metadata type is
+   *         {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}
+   *         AND the source database name of the backup contains the string
    *         "test_db"
-   *         * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata} AND the
-   *         backup the backup was copied from has name containing string
-   *         "test_bkp"
+   *         * The operation's metadata type is
+   *         {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}
+   *         AND the source backup name contains the string "test_bkp"
    *       * The operation resulted in an error.
    * @param {number} request.pageSize
    *   Number of operations to be returned in the response. If 0 or
@@ -3533,8 +3573,9 @@ export class DatabaseAdminClient {
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
    *   {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse.next_page_token|next_page_token}
-   *   from a previous {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse|ListBackupOperationsResponse} to the
-   *   same `parent` and with the same `filter`.
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse|ListBackupOperationsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Stream}
@@ -3592,7 +3633,9 @@ export class DatabaseAdminClient {
    *     * `name` - The name of the long-running operation
    *     * `done` - False if the operation is in progress, else true.
    *     * `metadata.@type` - the type of metadata. For example, the type string
-   *        for {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata} is
+   *        for
+   *        {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}
+   *        is
    *        `type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata`.
    *     * `metadata.<field_name>` - any field in metadata.value.
    *        `metadata.@type` must be specified first if filtering on metadata
@@ -3610,14 +3653,15 @@ export class DatabaseAdminClient {
    *     * `done:true` - The operation is complete.
    *     * `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
    *        `metadata.database:prod` - Returns operations where:
-   *        * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
-   *        * The database the backup was taken from has a name containing the
-   *        string "prod".
+   *        * The operation's metadata type is
+   *        {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
+   *        * The source database name of backup contains the string "prod".
    *     * `(metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
    *       `(metadata.name:howl) AND` \
    *       `(metadata.progress.start_time < \"2018-03-28T14:50:00Z\") AND` \
    *       `(error:*)` - Returns operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}.
    *       * The backup name contains the string "howl".
    *       * The operation started before 2018-03-28T14:50:00Z.
    *       * The operation resulted in an error.
@@ -3625,9 +3669,9 @@ export class DatabaseAdminClient {
    *       `(metadata.source_backup:test) AND` \
    *       `(metadata.progress.start_time < \"2022-01-18T14:50:00Z\") AND` \
    *       `(error:*)` - Returns operations where:
-   *       * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}.
-   *       * The source backup of the copied backup name contains the string
-   *       "test".
+   *       * The operation's metadata type is
+   *       {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}.
+   *       * The source backup name contains the string "test".
    *       * The operation started before 2022-01-18T14:50:00Z.
    *       * The operation resulted in an error.
    *     * `((metadata.@type=type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND` \
@@ -3637,12 +3681,13 @@ export class DatabaseAdminClient {
    *       `(metadata.source_backup:test_bkp)) AND` \
    *       `(error:*)` - Returns operations where:
    *       * The operation's metadata matches either of criteria:
-   *         * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata} AND the
-   *         database the backup was taken from has name containing string
+   *         * The operation's metadata type is
+   *         {@link protos.google.spanner.admin.database.v1.CreateBackupMetadata|CreateBackupMetadata}
+   *         AND the source database name of the backup contains the string
    *         "test_db"
-   *         * The operation's metadata type is {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata} AND the
-   *         backup the backup was copied from has name containing string
-   *         "test_bkp"
+   *         * The operation's metadata type is
+   *         {@link protos.google.spanner.admin.database.v1.CopyBackupMetadata|CopyBackupMetadata}
+   *         AND the source backup name contains the string "test_bkp"
    *       * The operation resulted in an error.
    * @param {number} request.pageSize
    *   Number of operations to be returned in the response. If 0 or
@@ -3650,8 +3695,9 @@ export class DatabaseAdminClient {
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
    *   {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse.next_page_token|next_page_token}
-   *   from a previous {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse|ListBackupOperationsResponse} to the
-   *   same `parent` and with the same `filter`.
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListBackupOperationsResponse|ListBackupOperationsResponse}
+   *   to the same `parent` and with the same `filter`.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Object}
@@ -3691,14 +3737,15 @@ export class DatabaseAdminClient {
    * @param {string} request.parent
    *   Required. The database whose roles should be listed.
    *   Values are of the form
-   *   `projects/<project>/instances/<instance>/databases/<database>/databaseRoles`.
+   *   `projects/<project>/instances/<instance>/databases/<database>`.
    * @param {number} request.pageSize
    *   Number of database roles to be returned in the response. If 0 or less,
    *   defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse|ListDatabaseRolesResponse}.
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse|ListDatabaseRolesResponse}.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Promise} - The promise which resolves to an array.
@@ -3793,14 +3840,15 @@ export class DatabaseAdminClient {
    * @param {string} request.parent
    *   Required. The database whose roles should be listed.
    *   Values are of the form
-   *   `projects/<project>/instances/<instance>/databases/<database>/databaseRoles`.
+   *   `projects/<project>/instances/<instance>/databases/<database>`.
    * @param {number} request.pageSize
    *   Number of database roles to be returned in the response. If 0 or less,
    *   defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse|ListDatabaseRolesResponse}.
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse|ListDatabaseRolesResponse}.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Stream}
@@ -3843,14 +3891,15 @@ export class DatabaseAdminClient {
    * @param {string} request.parent
    *   Required. The database whose roles should be listed.
    *   Values are of the form
-   *   `projects/<project>/instances/<instance>/databases/<database>/databaseRoles`.
+   *   `projects/<project>/instances/<instance>/databases/<database>`.
    * @param {number} request.pageSize
    *   Number of database roles to be returned in the response. If 0 or less,
    *   defaults to the server's maximum allowed page size.
    * @param {string} request.pageToken
    *   If non-empty, `page_token` should contain a
-   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token|next_page_token} from a
-   *   previous {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse|ListDatabaseRolesResponse}.
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse.next_page_token|next_page_token}
+   *   from a previous
+   *   {@link protos.google.spanner.admin.database.v1.ListDatabaseRolesResponse|ListDatabaseRolesResponse}.
    * @param {object} [options]
    *   Call options. See {@link https://googleapis.dev/nodejs/google-gax/latest/interfaces/CallOptions.html|CallOptions} for more details.
    * @returns {Object}