diff --git a/BareMetalSolution/src/V2/Client/BareMetalSolutionClient.php b/BareMetalSolution/src/V2/Client/BareMetalSolutionClient.php
index bd66a99103f1..defe8a098090 100644
--- a/BareMetalSolution/src/V2/Client/BareMetalSolutionClient.php
+++ b/BareMetalSolution/src/V2/Client/BareMetalSolutionClient.php
@@ -113,52 +113,52 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createNfsShareAsync(CreateNfsShareRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createProvisioningConfigAsync(CreateProvisioningConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createSSHKeyAsync(CreateSSHKeyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createVolumeSnapshotAsync(CreateVolumeSnapshotRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteNfsShareAsync(DeleteNfsShareRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteSSHKeyAsync(DeleteSSHKeyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteVolumeSnapshotAsync(DeleteVolumeSnapshotRequest $request, array $optionalArgs = [])
- * @method PromiseInterface detachLunAsync(DetachLunRequest $request, array $optionalArgs = [])
- * @method PromiseInterface disableInteractiveSerialConsoleAsync(DisableInteractiveSerialConsoleRequest $request, array $optionalArgs = [])
- * @method PromiseInterface enableInteractiveSerialConsoleAsync(EnableInteractiveSerialConsoleRequest $request, array $optionalArgs = [])
- * @method PromiseInterface evictLunAsync(EvictLunRequest $request, array $optionalArgs = [])
- * @method PromiseInterface evictVolumeAsync(EvictVolumeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getInstanceAsync(GetInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLunAsync(GetLunRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getNetworkAsync(GetNetworkRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getNfsShareAsync(GetNfsShareRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getProvisioningConfigAsync(GetProvisioningConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getVolumeAsync(GetVolumeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getVolumeSnapshotAsync(GetVolumeSnapshotRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listInstancesAsync(ListInstancesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLunsAsync(ListLunsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listNetworkUsageAsync(ListNetworkUsageRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listNetworksAsync(ListNetworksRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listNfsSharesAsync(ListNfsSharesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listOSImagesAsync(ListOSImagesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listProvisioningQuotasAsync(ListProvisioningQuotasRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listSSHKeysAsync(ListSSHKeysRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listVolumeSnapshotsAsync(ListVolumeSnapshotsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listVolumesAsync(ListVolumesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface renameInstanceAsync(RenameInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface renameNetworkAsync(RenameNetworkRequest $request, array $optionalArgs = [])
- * @method PromiseInterface renameNfsShareAsync(RenameNfsShareRequest $request, array $optionalArgs = [])
- * @method PromiseInterface renameVolumeAsync(RenameVolumeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface resetInstanceAsync(ResetInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface resizeVolumeAsync(ResizeVolumeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface restoreVolumeSnapshotAsync(RestoreVolumeSnapshotRequest $request, array $optionalArgs = [])
- * @method PromiseInterface startInstanceAsync(StartInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface stopInstanceAsync(StopInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface submitProvisioningConfigAsync(SubmitProvisioningConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateInstanceAsync(UpdateInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateNetworkAsync(UpdateNetworkRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateNfsShareAsync(UpdateNfsShareRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateProvisioningConfigAsync(UpdateProvisioningConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateVolumeAsync(UpdateVolumeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createNfsShareAsync(CreateNfsShareRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ProvisioningConfig> createProvisioningConfigAsync(CreateProvisioningConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<SSHKey> createSSHKeyAsync(CreateSSHKeyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<VolumeSnapshot> createVolumeSnapshotAsync(CreateVolumeSnapshotRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteNfsShareAsync(DeleteNfsShareRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteSSHKeyAsync(DeleteSSHKeyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteVolumeSnapshotAsync(DeleteVolumeSnapshotRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> detachLunAsync(DetachLunRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> disableInteractiveSerialConsoleAsync(DisableInteractiveSerialConsoleRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> enableInteractiveSerialConsoleAsync(EnableInteractiveSerialConsoleRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> evictLunAsync(EvictLunRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> evictVolumeAsync(EvictVolumeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Instance> getInstanceAsync(GetInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Lun> getLunAsync(GetLunRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Network> getNetworkAsync(GetNetworkRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<NfsShare> getNfsShareAsync(GetNfsShareRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ProvisioningConfig> getProvisioningConfigAsync(GetProvisioningConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Volume> getVolumeAsync(GetVolumeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<VolumeSnapshot> getVolumeSnapshotAsync(GetVolumeSnapshotRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listInstancesAsync(ListInstancesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLunsAsync(ListLunsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ListNetworkUsageResponse> listNetworkUsageAsync(ListNetworkUsageRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listNetworksAsync(ListNetworksRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listNfsSharesAsync(ListNfsSharesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listOSImagesAsync(ListOSImagesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listProvisioningQuotasAsync(ListProvisioningQuotasRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listSSHKeysAsync(ListSSHKeysRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listVolumeSnapshotsAsync(ListVolumeSnapshotsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listVolumesAsync(ListVolumesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Instance> renameInstanceAsync(RenameInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Network> renameNetworkAsync(RenameNetworkRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<NfsShare> renameNfsShareAsync(RenameNfsShareRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Volume> renameVolumeAsync(RenameVolumeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> resetInstanceAsync(ResetInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> resizeVolumeAsync(ResizeVolumeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> restoreVolumeSnapshotAsync(RestoreVolumeSnapshotRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> startInstanceAsync(StartInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> stopInstanceAsync(StopInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<SubmitProvisioningConfigResponse> submitProvisioningConfigAsync(SubmitProvisioningConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateInstanceAsync(UpdateInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateNetworkAsync(UpdateNetworkRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateNfsShareAsync(UpdateNfsShareRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ProvisioningConfig> updateProvisioningConfigAsync(UpdateProvisioningConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateVolumeAsync(UpdateVolumeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
  */
 final class BareMetalSolutionClient
 {
diff --git a/Batch/src/V1/Client/BatchServiceClient.php b/Batch/src/V1/Client/BatchServiceClient.php
index ea3a0cc8cb6e..e03594c07663 100644
--- a/Batch/src/V1/Client/BatchServiceClient.php
+++ b/Batch/src/V1/Client/BatchServiceClient.php
@@ -62,14 +62,14 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createJobAsync(CreateJobRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteJobAsync(DeleteJobRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getJobAsync(GetJobRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getTaskAsync(GetTaskRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listJobsAsync(ListJobsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listTasksAsync(ListTasksRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Job> createJobAsync(CreateJobRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteJobAsync(DeleteJobRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Job> getJobAsync(GetJobRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Task> getTaskAsync(GetTaskRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listJobsAsync(ListJobsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listTasksAsync(ListTasksRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
  */
 final class BatchServiceClient
 {
diff --git a/BeyondCorpAppConnections/src/V1/Client/AppConnectionsServiceClient.php b/BeyondCorpAppConnections/src/V1/Client/AppConnectionsServiceClient.php
index 9ab45eca4fb5..3003a9688e99 100644
--- a/BeyondCorpAppConnections/src/V1/Client/AppConnectionsServiceClient.php
+++ b/BeyondCorpAppConnections/src/V1/Client/AppConnectionsServiceClient.php
@@ -77,17 +77,17 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createAppConnectionAsync(CreateAppConnectionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteAppConnectionAsync(DeleteAppConnectionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getAppConnectionAsync(GetAppConnectionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listAppConnectionsAsync(ListAppConnectionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface resolveAppConnectionsAsync(ResolveAppConnectionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateAppConnectionAsync(UpdateAppConnectionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createAppConnectionAsync(CreateAppConnectionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteAppConnectionAsync(DeleteAppConnectionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<AppConnection> getAppConnectionAsync(GetAppConnectionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listAppConnectionsAsync(ListAppConnectionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> resolveAppConnectionsAsync(ResolveAppConnectionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateAppConnectionAsync(UpdateAppConnectionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
  */
 final class AppConnectionsServiceClient
 {
diff --git a/BeyondCorpAppConnectors/src/V1/Client/AppConnectorsServiceClient.php b/BeyondCorpAppConnectors/src/V1/Client/AppConnectorsServiceClient.php
index fa1f8d9717f6..7d03a1a245b9 100644
--- a/BeyondCorpAppConnectors/src/V1/Client/AppConnectorsServiceClient.php
+++ b/BeyondCorpAppConnectors/src/V1/Client/AppConnectorsServiceClient.php
@@ -77,17 +77,17 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createAppConnectorAsync(CreateAppConnectorRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteAppConnectorAsync(DeleteAppConnectorRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getAppConnectorAsync(GetAppConnectorRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listAppConnectorsAsync(ListAppConnectorsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface reportStatusAsync(ReportStatusRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateAppConnectorAsync(UpdateAppConnectorRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createAppConnectorAsync(CreateAppConnectorRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteAppConnectorAsync(DeleteAppConnectorRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<AppConnector> getAppConnectorAsync(GetAppConnectorRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listAppConnectorsAsync(ListAppConnectorsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> reportStatusAsync(ReportStatusRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateAppConnectorAsync(UpdateAppConnectorRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
  */
 final class AppConnectorsServiceClient
 {
diff --git a/BeyondCorpAppGateways/src/V1/Client/AppGatewaysServiceClient.php b/BeyondCorpAppGateways/src/V1/Client/AppGatewaysServiceClient.php
index 88498369e2ce..636c409e52a9 100644
--- a/BeyondCorpAppGateways/src/V1/Client/AppGatewaysServiceClient.php
+++ b/BeyondCorpAppGateways/src/V1/Client/AppGatewaysServiceClient.php
@@ -75,15 +75,15 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createAppGatewayAsync(CreateAppGatewayRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteAppGatewayAsync(DeleteAppGatewayRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getAppGatewayAsync(GetAppGatewayRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listAppGatewaysAsync(ListAppGatewaysRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createAppGatewayAsync(CreateAppGatewayRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteAppGatewayAsync(DeleteAppGatewayRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<AppGateway> getAppGatewayAsync(GetAppGatewayRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listAppGatewaysAsync(ListAppGatewaysRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
  */
 final class AppGatewaysServiceClient
 {
diff --git a/BeyondCorpClientConnectorServices/src/V1/Client/ClientConnectorServicesServiceClient.php b/BeyondCorpClientConnectorServices/src/V1/Client/ClientConnectorServicesServiceClient.php
index 1876632db42d..38d64b4d8dfb 100644
--- a/BeyondCorpClientConnectorServices/src/V1/Client/ClientConnectorServicesServiceClient.php
+++ b/BeyondCorpClientConnectorServices/src/V1/Client/ClientConnectorServicesServiceClient.php
@@ -73,16 +73,16 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createClientConnectorServiceAsync(CreateClientConnectorServiceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteClientConnectorServiceAsync(DeleteClientConnectorServiceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getClientConnectorServiceAsync(GetClientConnectorServiceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listClientConnectorServicesAsync(ListClientConnectorServicesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateClientConnectorServiceAsync(UpdateClientConnectorServiceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createClientConnectorServiceAsync(CreateClientConnectorServiceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteClientConnectorServiceAsync(DeleteClientConnectorServiceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ClientConnectorService> getClientConnectorServiceAsync(GetClientConnectorServiceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listClientConnectorServicesAsync(ListClientConnectorServicesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateClientConnectorServiceAsync(UpdateClientConnectorServiceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
  */
 final class ClientConnectorServicesServiceClient
 {
diff --git a/BeyondCorpClientGateways/src/V1/Client/ClientGatewaysServiceClient.php b/BeyondCorpClientGateways/src/V1/Client/ClientGatewaysServiceClient.php
index d0aeb5edcc21..1416bafbe520 100644
--- a/BeyondCorpClientGateways/src/V1/Client/ClientGatewaysServiceClient.php
+++ b/BeyondCorpClientGateways/src/V1/Client/ClientGatewaysServiceClient.php
@@ -72,15 +72,15 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createClientGatewayAsync(CreateClientGatewayRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteClientGatewayAsync(DeleteClientGatewayRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getClientGatewayAsync(GetClientGatewayRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listClientGatewaysAsync(ListClientGatewaysRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createClientGatewayAsync(CreateClientGatewayRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteClientGatewayAsync(DeleteClientGatewayRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ClientGateway> getClientGatewayAsync(GetClientGatewayRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listClientGatewaysAsync(ListClientGatewaysRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
  */
 final class ClientGatewaysServiceClient
 {
diff --git a/BigQueryAnalyticsHub/src/V1/Client/AnalyticsHubServiceClient.php b/BigQueryAnalyticsHub/src/V1/Client/AnalyticsHubServiceClient.php
index be71ede70594..d88f8d7ea3cb 100644
--- a/BigQueryAnalyticsHub/src/V1/Client/AnalyticsHubServiceClient.php
+++ b/BigQueryAnalyticsHub/src/V1/Client/AnalyticsHubServiceClient.php
@@ -83,28 +83,28 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createDataExchangeAsync(CreateDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createListingAsync(CreateListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteDataExchangeAsync(DeleteDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteListingAsync(DeleteListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteSubscriptionAsync(DeleteSubscriptionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getDataExchangeAsync(GetDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getListingAsync(GetListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getSubscriptionAsync(GetSubscriptionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listDataExchangesAsync(ListDataExchangesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listListingsAsync(ListListingsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listOrgDataExchangesAsync(ListOrgDataExchangesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listSharedResourceSubscriptionsAsync(ListSharedResourceSubscriptionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listSubscriptionsAsync(ListSubscriptionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface refreshSubscriptionAsync(RefreshSubscriptionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface revokeSubscriptionAsync(RevokeSubscriptionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface subscribeDataExchangeAsync(SubscribeDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface subscribeListingAsync(SubscribeListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateDataExchangeAsync(UpdateDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateListingAsync(UpdateListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataExchange> createDataExchangeAsync(CreateDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Listing> createListingAsync(CreateListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteDataExchangeAsync(DeleteDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteListingAsync(DeleteListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteSubscriptionAsync(DeleteSubscriptionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataExchange> getDataExchangeAsync(GetDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Listing> getListingAsync(GetListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Subscription> getSubscriptionAsync(GetSubscriptionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listDataExchangesAsync(ListDataExchangesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listListingsAsync(ListListingsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listOrgDataExchangesAsync(ListOrgDataExchangesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listSharedResourceSubscriptionsAsync(ListSharedResourceSubscriptionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listSubscriptionsAsync(ListSubscriptionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> refreshSubscriptionAsync(RefreshSubscriptionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<RevokeSubscriptionResponse> revokeSubscriptionAsync(RevokeSubscriptionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> subscribeDataExchangeAsync(SubscribeDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<SubscribeListingResponse> subscribeListingAsync(SubscribeListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataExchange> updateDataExchangeAsync(UpdateDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Listing> updateListingAsync(UpdateListingRequest $request, array $optionalArgs = [])
  */
 final class AnalyticsHubServiceClient
 {
diff --git a/BigQueryConnection/src/V1/Client/ConnectionServiceClient.php b/BigQueryConnection/src/V1/Client/ConnectionServiceClient.php
index 524b44419005..9d98978af9a0 100644
--- a/BigQueryConnection/src/V1/Client/ConnectionServiceClient.php
+++ b/BigQueryConnection/src/V1/Client/ConnectionServiceClient.php
@@ -57,14 +57,14 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createConnectionAsync(CreateConnectionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteConnectionAsync(DeleteConnectionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getConnectionAsync(GetConnectionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listConnectionsAsync(ListConnectionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateConnectionAsync(UpdateConnectionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Connection> createConnectionAsync(CreateConnectionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteConnectionAsync(DeleteConnectionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Connection> getConnectionAsync(GetConnectionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listConnectionsAsync(ListConnectionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Connection> updateConnectionAsync(UpdateConnectionRequest $request, array $optionalArgs = [])
  */
 final class ConnectionServiceClient
 {
diff --git a/BigQueryDataExchange/src/V1beta1/Client/AnalyticsHubServiceClient.php b/BigQueryDataExchange/src/V1beta1/Client/AnalyticsHubServiceClient.php
index 748d74eb1e97..dfe68c92546b 100644
--- a/BigQueryDataExchange/src/V1beta1/Client/AnalyticsHubServiceClient.php
+++ b/BigQueryDataExchange/src/V1beta1/Client/AnalyticsHubServiceClient.php
@@ -78,23 +78,23 @@
  *
  * @experimental
  *
- * @method PromiseInterface createDataExchangeAsync(CreateDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createListingAsync(CreateListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteDataExchangeAsync(DeleteDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteListingAsync(DeleteListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getDataExchangeAsync(GetDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getListingAsync(GetListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listDataExchangesAsync(ListDataExchangesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listListingsAsync(ListListingsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listOrgDataExchangesAsync(ListOrgDataExchangesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface subscribeListingAsync(SubscribeListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateDataExchangeAsync(UpdateDataExchangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateListingAsync(UpdateListingRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataExchange> createDataExchangeAsync(CreateDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Listing> createListingAsync(CreateListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteDataExchangeAsync(DeleteDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteListingAsync(DeleteListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataExchange> getDataExchangeAsync(GetDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Listing> getListingAsync(GetListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listDataExchangesAsync(ListDataExchangesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listListingsAsync(ListListingsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listOrgDataExchangesAsync(ListOrgDataExchangesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<SubscribeListingResponse> subscribeListingAsync(SubscribeListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataExchange> updateDataExchangeAsync(UpdateDataExchangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Listing> updateListingAsync(UpdateListingRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
  */
 final class AnalyticsHubServiceClient
 {
diff --git a/BigQueryDataPolicies/src/V1/Client/DataPolicyServiceClient.php b/BigQueryDataPolicies/src/V1/Client/DataPolicyServiceClient.php
index 974a34524c66..dba3a26fbfb7 100644
--- a/BigQueryDataPolicies/src/V1/Client/DataPolicyServiceClient.php
+++ b/BigQueryDataPolicies/src/V1/Client/DataPolicyServiceClient.php
@@ -58,15 +58,15 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createDataPolicyAsync(CreateDataPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteDataPolicyAsync(DeleteDataPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getDataPolicyAsync(GetDataPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listDataPoliciesAsync(ListDataPoliciesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface renameDataPolicyAsync(RenameDataPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateDataPolicyAsync(UpdateDataPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataPolicy> createDataPolicyAsync(CreateDataPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteDataPolicyAsync(DeleteDataPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataPolicy> getDataPolicyAsync(GetDataPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listDataPoliciesAsync(ListDataPoliciesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataPolicy> renameDataPolicyAsync(RenameDataPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataPolicy> updateDataPolicyAsync(UpdateDataPolicyRequest $request, array $optionalArgs = [])
  */
 final class DataPolicyServiceClient
 {
diff --git a/BigQueryDataTransfer/src/V1/Client/DataTransferServiceClient.php b/BigQueryDataTransfer/src/V1/Client/DataTransferServiceClient.php
index 6b37a511ec15..2573f7174a0e 100644
--- a/BigQueryDataTransfer/src/V1/Client/DataTransferServiceClient.php
+++ b/BigQueryDataTransfer/src/V1/Client/DataTransferServiceClient.php
@@ -71,24 +71,24 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface checkValidCredsAsync(CheckValidCredsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createTransferConfigAsync(CreateTransferConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteTransferConfigAsync(DeleteTransferConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteTransferRunAsync(DeleteTransferRunRequest $request, array $optionalArgs = [])
- * @method PromiseInterface enrollDataSourcesAsync(EnrollDataSourcesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getDataSourceAsync(GetDataSourceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getTransferConfigAsync(GetTransferConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getTransferRunAsync(GetTransferRunRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listDataSourcesAsync(ListDataSourcesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listTransferConfigsAsync(ListTransferConfigsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listTransferLogsAsync(ListTransferLogsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listTransferRunsAsync(ListTransferRunsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface scheduleTransferRunsAsync(ScheduleTransferRunsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface startManualTransferRunsAsync(StartManualTransferRunsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface unenrollDataSourcesAsync(UnenrollDataSourcesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateTransferConfigAsync(UpdateTransferConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CheckValidCredsResponse> checkValidCredsAsync(CheckValidCredsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TransferConfig> createTransferConfigAsync(CreateTransferConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteTransferConfigAsync(DeleteTransferConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteTransferRunAsync(DeleteTransferRunRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> enrollDataSourcesAsync(EnrollDataSourcesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DataSource> getDataSourceAsync(GetDataSourceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TransferConfig> getTransferConfigAsync(GetTransferConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TransferRun> getTransferRunAsync(GetTransferRunRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listDataSourcesAsync(ListDataSourcesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listTransferConfigsAsync(ListTransferConfigsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listTransferLogsAsync(ListTransferLogsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listTransferRunsAsync(ListTransferRunsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ScheduleTransferRunsResponse> scheduleTransferRunsAsync(ScheduleTransferRunsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<StartManualTransferRunsResponse> startManualTransferRunsAsync(StartManualTransferRunsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> unenrollDataSourcesAsync(UnenrollDataSourcesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TransferConfig> updateTransferConfigAsync(UpdateTransferConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
  */
 final class DataTransferServiceClient
 {
diff --git a/BigQueryMigration/src/V2/Client/MigrationServiceClient.php b/BigQueryMigration/src/V2/Client/MigrationServiceClient.php
index 73ea0940ca76..244781248cdc 100644
--- a/BigQueryMigration/src/V2/Client/MigrationServiceClient.php
+++ b/BigQueryMigration/src/V2/Client/MigrationServiceClient.php
@@ -55,13 +55,13 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createMigrationWorkflowAsync(CreateMigrationWorkflowRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteMigrationWorkflowAsync(DeleteMigrationWorkflowRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getMigrationSubtaskAsync(GetMigrationSubtaskRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getMigrationWorkflowAsync(GetMigrationWorkflowRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listMigrationSubtasksAsync(ListMigrationSubtasksRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listMigrationWorkflowsAsync(ListMigrationWorkflowsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface startMigrationWorkflowAsync(StartMigrationWorkflowRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<MigrationWorkflow> createMigrationWorkflowAsync(CreateMigrationWorkflowRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteMigrationWorkflowAsync(DeleteMigrationWorkflowRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<MigrationSubtask> getMigrationSubtaskAsync(GetMigrationSubtaskRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<MigrationWorkflow> getMigrationWorkflowAsync(GetMigrationWorkflowRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listMigrationSubtasksAsync(ListMigrationSubtasksRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listMigrationWorkflowsAsync(ListMigrationWorkflowsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> startMigrationWorkflowAsync(StartMigrationWorkflowRequest $request, array $optionalArgs = [])
  */
 final class MigrationServiceClient
 {
diff --git a/BigQueryReservation/src/V1/Client/ReservationServiceClient.php b/BigQueryReservation/src/V1/Client/ReservationServiceClient.php
index 253e18dcf340..7d898d0ffb1b 100644
--- a/BigQueryReservation/src/V1/Client/ReservationServiceClient.php
+++ b/BigQueryReservation/src/V1/Client/ReservationServiceClient.php
@@ -86,27 +86,27 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createAssignmentAsync(CreateAssignmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createCapacityCommitmentAsync(CreateCapacityCommitmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createReservationAsync(CreateReservationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteAssignmentAsync(DeleteAssignmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteCapacityCommitmentAsync(DeleteCapacityCommitmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteReservationAsync(DeleteReservationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getBiReservationAsync(GetBiReservationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getCapacityCommitmentAsync(GetCapacityCommitmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getReservationAsync(GetReservationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listAssignmentsAsync(ListAssignmentsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listCapacityCommitmentsAsync(ListCapacityCommitmentsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listReservationsAsync(ListReservationsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface mergeCapacityCommitmentsAsync(MergeCapacityCommitmentsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface moveAssignmentAsync(MoveAssignmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface searchAllAssignmentsAsync(SearchAllAssignmentsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface searchAssignmentsAsync(SearchAssignmentsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface splitCapacityCommitmentAsync(SplitCapacityCommitmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateAssignmentAsync(UpdateAssignmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateBiReservationAsync(UpdateBiReservationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateCapacityCommitmentAsync(UpdateCapacityCommitmentRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateReservationAsync(UpdateReservationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Assignment> createAssignmentAsync(CreateAssignmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CapacityCommitment> createCapacityCommitmentAsync(CreateCapacityCommitmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Reservation> createReservationAsync(CreateReservationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteAssignmentAsync(DeleteAssignmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteCapacityCommitmentAsync(DeleteCapacityCommitmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteReservationAsync(DeleteReservationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<BiReservation> getBiReservationAsync(GetBiReservationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CapacityCommitment> getCapacityCommitmentAsync(GetCapacityCommitmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Reservation> getReservationAsync(GetReservationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listAssignmentsAsync(ListAssignmentsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listCapacityCommitmentsAsync(ListCapacityCommitmentsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listReservationsAsync(ListReservationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CapacityCommitment> mergeCapacityCommitmentsAsync(MergeCapacityCommitmentsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Assignment> moveAssignmentAsync(MoveAssignmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> searchAllAssignmentsAsync(SearchAllAssignmentsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> searchAssignmentsAsync(SearchAssignmentsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<SplitCapacityCommitmentResponse> splitCapacityCommitmentAsync(SplitCapacityCommitmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Assignment> updateAssignmentAsync(UpdateAssignmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<BiReservation> updateBiReservationAsync(UpdateBiReservationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CapacityCommitment> updateCapacityCommitmentAsync(UpdateCapacityCommitmentRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Reservation> updateReservationAsync(UpdateReservationRequest $request, array $optionalArgs = [])
  */
 final class ReservationServiceClient
 {
diff --git a/BigQueryStorage/src/V1/Client/BigQueryReadClient.php b/BigQueryStorage/src/V1/Client/BigQueryReadClient.php
index 72cbc19e3681..c08dc6a41419 100644
--- a/BigQueryStorage/src/V1/Client/BigQueryReadClient.php
+++ b/BigQueryStorage/src/V1/Client/BigQueryReadClient.php
@@ -53,8 +53,8 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createReadSessionAsync(CreateReadSessionRequest $request, array $optionalArgs = [])
- * @method PromiseInterface splitReadStreamAsync(SplitReadStreamRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ReadSession> createReadSessionAsync(CreateReadSessionRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<SplitReadStreamResponse> splitReadStreamAsync(SplitReadStreamRequest $request, array $optionalArgs = [])
  */
 final class BigQueryReadClient
 {
diff --git a/BigQueryStorage/src/V1/Client/BigQueryWriteClient.php b/BigQueryStorage/src/V1/Client/BigQueryWriteClient.php
index 33c4e93e8eff..9624c1cf8977 100644
--- a/BigQueryStorage/src/V1/Client/BigQueryWriteClient.php
+++ b/BigQueryStorage/src/V1/Client/BigQueryWriteClient.php
@@ -60,11 +60,11 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface batchCommitWriteStreamsAsync(BatchCommitWriteStreamsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createWriteStreamAsync(CreateWriteStreamRequest $request, array $optionalArgs = [])
- * @method PromiseInterface finalizeWriteStreamAsync(FinalizeWriteStreamRequest $request, array $optionalArgs = [])
- * @method PromiseInterface flushRowsAsync(FlushRowsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getWriteStreamAsync(GetWriteStreamRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<BatchCommitWriteStreamsResponse> batchCommitWriteStreamsAsync(BatchCommitWriteStreamsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<WriteStream> createWriteStreamAsync(CreateWriteStreamRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<FinalizeWriteStreamResponse> finalizeWriteStreamAsync(FinalizeWriteStreamRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<FlushRowsResponse> flushRowsAsync(FlushRowsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<WriteStream> getWriteStreamAsync(GetWriteStreamRequest $request, array $optionalArgs = [])
  */
 final class BigQueryWriteClient
 {
diff --git a/Bigtable/src/Admin/V2/Client/BigtableInstanceAdminClient.php b/Bigtable/src/Admin/V2/Client/BigtableInstanceAdminClient.php
index 724cfa65908e..b45bb6498897 100644
--- a/Bigtable/src/Admin/V2/Client/BigtableInstanceAdminClient.php
+++ b/Bigtable/src/Admin/V2/Client/BigtableInstanceAdminClient.php
@@ -79,27 +79,27 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createAppProfileAsync(CreateAppProfileRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createClusterAsync(CreateClusterRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createInstanceAsync(CreateInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteAppProfileAsync(DeleteAppProfileRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteClusterAsync(DeleteClusterRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteInstanceAsync(DeleteInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getAppProfileAsync(GetAppProfileRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getClusterAsync(GetClusterRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getInstanceAsync(GetInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listAppProfilesAsync(ListAppProfilesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listClustersAsync(ListClustersRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listHotTabletsAsync(ListHotTabletsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listInstancesAsync(ListInstancesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface partialUpdateClusterAsync(PartialUpdateClusterRequest $request, array $optionalArgs = [])
- * @method PromiseInterface partialUpdateInstanceAsync(PartialUpdateInstanceRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateAppProfileAsync(UpdateAppProfileRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateClusterAsync(Cluster $request, array $optionalArgs = [])
- * @method PromiseInterface updateInstanceAsync(Instance $request, array $optionalArgs = [])
+ * @method PromiseInterface<AppProfile> createAppProfileAsync(CreateAppProfileRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createClusterAsync(CreateClusterRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createInstanceAsync(CreateInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteAppProfileAsync(DeleteAppProfileRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteClusterAsync(DeleteClusterRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteInstanceAsync(DeleteInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<AppProfile> getAppProfileAsync(GetAppProfileRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Cluster> getClusterAsync(GetClusterRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Instance> getInstanceAsync(GetInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listAppProfilesAsync(ListAppProfilesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ListClustersResponse> listClustersAsync(ListClustersRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listHotTabletsAsync(ListHotTabletsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ListInstancesResponse> listInstancesAsync(ListInstancesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> partialUpdateClusterAsync(PartialUpdateClusterRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> partialUpdateInstanceAsync(PartialUpdateInstanceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateAppProfileAsync(UpdateAppProfileRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateClusterAsync(Cluster $request, array $optionalArgs = [])
+ * @method PromiseInterface<Instance> updateInstanceAsync(Instance $request, array $optionalArgs = [])
  */
 final class BigtableInstanceAdminClient
 {
diff --git a/Bigtable/src/Admin/V2/Client/BigtableTableAdminClient.php b/Bigtable/src/Admin/V2/Client/BigtableTableAdminClient.php
index 6fc04363ca58..854d55554863 100644
--- a/Bigtable/src/Admin/V2/Client/BigtableTableAdminClient.php
+++ b/Bigtable/src/Admin/V2/Client/BigtableTableAdminClient.php
@@ -95,36 +95,36 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface checkConsistencyAsync(CheckConsistencyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface copyBackupAsync(CopyBackupRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createAuthorizedViewAsync(CreateAuthorizedViewRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createBackupAsync(CreateBackupRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createTableAsync(CreateTableRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createTableFromSnapshotAsync(CreateTableFromSnapshotRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteAuthorizedViewAsync(DeleteAuthorizedViewRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteBackupAsync(DeleteBackupRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteSnapshotAsync(DeleteSnapshotRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteTableAsync(DeleteTableRequest $request, array $optionalArgs = [])
- * @method PromiseInterface dropRowRangeAsync(DropRowRangeRequest $request, array $optionalArgs = [])
- * @method PromiseInterface generateConsistencyTokenAsync(GenerateConsistencyTokenRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getAuthorizedViewAsync(GetAuthorizedViewRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getBackupAsync(GetBackupRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getSnapshotAsync(GetSnapshotRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getTableAsync(GetTableRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listAuthorizedViewsAsync(ListAuthorizedViewsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listBackupsAsync(ListBackupsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listSnapshotsAsync(ListSnapshotsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listTablesAsync(ListTablesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface modifyColumnFamiliesAsync(ModifyColumnFamiliesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface restoreTableAsync(RestoreTableRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface snapshotTableAsync(SnapshotTableRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface undeleteTableAsync(UndeleteTableRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateAuthorizedViewAsync(UpdateAuthorizedViewRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateBackupAsync(UpdateBackupRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateTableAsync(UpdateTableRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CheckConsistencyResponse> checkConsistencyAsync(CheckConsistencyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> copyBackupAsync(CopyBackupRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createAuthorizedViewAsync(CreateAuthorizedViewRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createBackupAsync(CreateBackupRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Table> createTableAsync(CreateTableRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createTableFromSnapshotAsync(CreateTableFromSnapshotRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteAuthorizedViewAsync(DeleteAuthorizedViewRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteBackupAsync(DeleteBackupRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteSnapshotAsync(DeleteSnapshotRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteTableAsync(DeleteTableRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> dropRowRangeAsync(DropRowRangeRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<GenerateConsistencyTokenResponse> generateConsistencyTokenAsync(GenerateConsistencyTokenRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<AuthorizedView> getAuthorizedViewAsync(GetAuthorizedViewRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Backup> getBackupAsync(GetBackupRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Snapshot> getSnapshotAsync(GetSnapshotRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Table> getTableAsync(GetTableRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listAuthorizedViewsAsync(ListAuthorizedViewsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listBackupsAsync(ListBackupsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listSnapshotsAsync(ListSnapshotsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listTablesAsync(ListTablesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Table> modifyColumnFamiliesAsync(ModifyColumnFamiliesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> restoreTableAsync(RestoreTableRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> snapshotTableAsync(SnapshotTableRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> undeleteTableAsync(UndeleteTableRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateAuthorizedViewAsync(UpdateAuthorizedViewRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Backup> updateBackupAsync(UpdateBackupRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateTableAsync(UpdateTableRequest $request, array $optionalArgs = [])
  */
 final class BigtableTableAdminClient
 {
diff --git a/Bigtable/src/V2/Client/BigtableClient.php b/Bigtable/src/V2/Client/BigtableClient.php
index aeb45221a720..24c6994dd499 100644
--- a/Bigtable/src/V2/Client/BigtableClient.php
+++ b/Bigtable/src/V2/Client/BigtableClient.php
@@ -64,10 +64,10 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface checkAndMutateRowAsync(CheckAndMutateRowRequest $request, array $optionalArgs = [])
- * @method PromiseInterface mutateRowAsync(MutateRowRequest $request, array $optionalArgs = [])
- * @method PromiseInterface pingAndWarmAsync(PingAndWarmRequest $request, array $optionalArgs = [])
- * @method PromiseInterface readModifyWriteRowAsync(ReadModifyWriteRowRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CheckAndMutateRowResponse> checkAndMutateRowAsync(CheckAndMutateRowRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<MutateRowResponse> mutateRowAsync(MutateRowRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PingAndWarmResponse> pingAndWarmAsync(PingAndWarmRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ReadModifyWriteRowResponse> readModifyWriteRowAsync(ReadModifyWriteRowRequest $request, array $optionalArgs = [])
  */
 final class BigtableClient
 {
diff --git a/Billing/src/V1/Client/CloudBillingClient.php b/Billing/src/V1/Client/CloudBillingClient.php
index 6be512f2258b..02b89aa97018 100644
--- a/Billing/src/V1/Client/CloudBillingClient.php
+++ b/Billing/src/V1/Client/CloudBillingClient.php
@@ -62,17 +62,17 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createBillingAccountAsync(CreateBillingAccountRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getBillingAccountAsync(GetBillingAccountRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getProjectBillingInfoAsync(GetProjectBillingInfoRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listBillingAccountsAsync(ListBillingAccountsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listProjectBillingInfoAsync(ListProjectBillingInfoRequest $request, array $optionalArgs = [])
- * @method PromiseInterface moveBillingAccountAsync(MoveBillingAccountRequest $request, array $optionalArgs = [])
- * @method PromiseInterface setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateBillingAccountAsync(UpdateBillingAccountRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateProjectBillingInfoAsync(UpdateProjectBillingInfoRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<BillingAccount> createBillingAccountAsync(CreateBillingAccountRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<BillingAccount> getBillingAccountAsync(GetBillingAccountRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getIamPolicyAsync(GetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ProjectBillingInfo> getProjectBillingInfoAsync(GetProjectBillingInfoRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listBillingAccountsAsync(ListBillingAccountsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listProjectBillingInfoAsync(ListProjectBillingInfoRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<BillingAccount> moveBillingAccountAsync(MoveBillingAccountRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> setIamPolicyAsync(SetIamPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TestIamPermissionsResponse> testIamPermissionsAsync(TestIamPermissionsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<BillingAccount> updateBillingAccountAsync(UpdateBillingAccountRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ProjectBillingInfo> updateProjectBillingInfoAsync(UpdateProjectBillingInfoRequest $request, array $optionalArgs = [])
  */
 final class CloudBillingClient
 {
diff --git a/Billing/src/V1/Client/CloudCatalogClient.php b/Billing/src/V1/Client/CloudCatalogClient.php
index 6ed99e9057b3..43ab99307e96 100644
--- a/Billing/src/V1/Client/CloudCatalogClient.php
+++ b/Billing/src/V1/Client/CloudCatalogClient.php
@@ -50,8 +50,8 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface listServicesAsync(ListServicesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listSkusAsync(ListSkusRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listServicesAsync(ListServicesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listSkusAsync(ListSkusRequest $request, array $optionalArgs = [])
  */
 final class CloudCatalogClient
 {
diff --git a/BillingBudgets/src/V1/Client/BudgetServiceClient.php b/BillingBudgets/src/V1/Client/BudgetServiceClient.php
index 71f0f5ec9af7..faf7e8493001 100644
--- a/BillingBudgets/src/V1/Client/BudgetServiceClient.php
+++ b/BillingBudgets/src/V1/Client/BudgetServiceClient.php
@@ -53,11 +53,11 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createBudgetAsync(CreateBudgetRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteBudgetAsync(DeleteBudgetRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getBudgetAsync(GetBudgetRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listBudgetsAsync(ListBudgetsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateBudgetAsync(UpdateBudgetRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Budget> createBudgetAsync(CreateBudgetRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteBudgetAsync(DeleteBudgetRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Budget> getBudgetAsync(GetBudgetRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listBudgetsAsync(ListBudgetsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Budget> updateBudgetAsync(UpdateBudgetRequest $request, array $optionalArgs = [])
  */
 final class BudgetServiceClient
 {
diff --git a/BinaryAuthorization/src/V1/Client/BinauthzManagementServiceV1Client.php b/BinaryAuthorization/src/V1/Client/BinauthzManagementServiceV1Client.php
index cdc693cc4c4b..488eb5f606d4 100644
--- a/BinaryAuthorization/src/V1/Client/BinauthzManagementServiceV1Client.php
+++ b/BinaryAuthorization/src/V1/Client/BinauthzManagementServiceV1Client.php
@@ -61,13 +61,13 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createAttestorAsync(CreateAttestorRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteAttestorAsync(DeleteAttestorRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getAttestorAsync(GetAttestorRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getPolicyAsync(GetPolicyRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listAttestorsAsync(ListAttestorsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateAttestorAsync(UpdateAttestorRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updatePolicyAsync(UpdatePolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Attestor> createAttestorAsync(CreateAttestorRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<void> deleteAttestorAsync(DeleteAttestorRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Attestor> getAttestorAsync(GetAttestorRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getPolicyAsync(GetPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listAttestorsAsync(ListAttestorsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Attestor> updateAttestorAsync(UpdateAttestorRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> updatePolicyAsync(UpdatePolicyRequest $request, array $optionalArgs = [])
  */
 final class BinauthzManagementServiceV1Client
 {
diff --git a/BinaryAuthorization/src/V1/Client/SystemPolicyV1Client.php b/BinaryAuthorization/src/V1/Client/SystemPolicyV1Client.php
index 00cb8a0fb7ce..cb6080c475bc 100644
--- a/BinaryAuthorization/src/V1/Client/SystemPolicyV1Client.php
+++ b/BinaryAuthorization/src/V1/Client/SystemPolicyV1Client.php
@@ -47,7 +47,7 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface getSystemPolicyAsync(GetSystemPolicyRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Policy> getSystemPolicyAsync(GetSystemPolicyRequest $request, array $optionalArgs = [])
  */
 final class SystemPolicyV1Client
 {
diff --git a/BinaryAuthorization/src/V1/Client/ValidationHelperV1Client.php b/BinaryAuthorization/src/V1/Client/ValidationHelperV1Client.php
index 0f65caad2bca..9123dc241ac4 100644
--- a/BinaryAuthorization/src/V1/Client/ValidationHelperV1Client.php
+++ b/BinaryAuthorization/src/V1/Client/ValidationHelperV1Client.php
@@ -41,7 +41,7 @@
  * This class provides the ability to make remote calls to the backing service through method
  * calls that map to API methods.
  *
- * @method PromiseInterface validateAttestationOccurrenceAsync(ValidateAttestationOccurrenceRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<ValidateAttestationOccurrenceResponse> validateAttestationOccurrenceAsync(ValidateAttestationOccurrenceRequest $request, array $optionalArgs = [])
  */
 final class ValidationHelperV1Client
 {
diff --git a/CertificateManager/src/V1/Client/CertificateManagerClient.php b/CertificateManager/src/V1/Client/CertificateManagerClient.php
index ecc225cf16ee..2a58a4829c8c 100644
--- a/CertificateManager/src/V1/Client/CertificateManagerClient.php
+++ b/CertificateManager/src/V1/Client/CertificateManagerClient.php
@@ -112,37 +112,37 @@
  * name, and additionally a parseName method to extract the individual identifiers
  * contained within formatted names that are returned by the API.
  *
- * @method PromiseInterface createCertificateAsync(CreateCertificateRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createCertificateIssuanceConfigAsync(CreateCertificateIssuanceConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createCertificateMapAsync(CreateCertificateMapRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createCertificateMapEntryAsync(CreateCertificateMapEntryRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createDnsAuthorizationAsync(CreateDnsAuthorizationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface createTrustConfigAsync(CreateTrustConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteCertificateAsync(DeleteCertificateRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteCertificateIssuanceConfigAsync(DeleteCertificateIssuanceConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteCertificateMapAsync(DeleteCertificateMapRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteCertificateMapEntryAsync(DeleteCertificateMapEntryRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteDnsAuthorizationAsync(DeleteDnsAuthorizationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface deleteTrustConfigAsync(DeleteTrustConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getCertificateAsync(GetCertificateRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getCertificateIssuanceConfigAsync(GetCertificateIssuanceConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getCertificateMapAsync(GetCertificateMapRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getCertificateMapEntryAsync(GetCertificateMapEntryRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getDnsAuthorizationAsync(GetDnsAuthorizationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getTrustConfigAsync(GetTrustConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listCertificateIssuanceConfigsAsync(ListCertificateIssuanceConfigsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listCertificateMapEntriesAsync(ListCertificateMapEntriesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listCertificateMapsAsync(ListCertificateMapsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listCertificatesAsync(ListCertificatesRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listDnsAuthorizationsAsync(ListDnsAuthorizationsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listTrustConfigsAsync(ListTrustConfigsRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateCertificateAsync(UpdateCertificateRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateCertificateMapAsync(UpdateCertificateMapRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateCertificateMapEntryAsync(UpdateCertificateMapEntryRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateDnsAuthorizationAsync(UpdateDnsAuthorizationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface updateTrustConfigAsync(UpdateTrustConfigRequest $request, array $optionalArgs = [])
- * @method PromiseInterface getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
- * @method PromiseInterface listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createCertificateAsync(CreateCertificateRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createCertificateIssuanceConfigAsync(CreateCertificateIssuanceConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createCertificateMapAsync(CreateCertificateMapRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createCertificateMapEntryAsync(CreateCertificateMapEntryRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createDnsAuthorizationAsync(CreateDnsAuthorizationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> createTrustConfigAsync(CreateTrustConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteCertificateAsync(DeleteCertificateRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteCertificateIssuanceConfigAsync(DeleteCertificateIssuanceConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteCertificateMapAsync(DeleteCertificateMapRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteCertificateMapEntryAsync(DeleteCertificateMapEntryRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteDnsAuthorizationAsync(DeleteDnsAuthorizationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> deleteTrustConfigAsync(DeleteTrustConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Certificate> getCertificateAsync(GetCertificateRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CertificateIssuanceConfig> getCertificateIssuanceConfigAsync(GetCertificateIssuanceConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CertificateMap> getCertificateMapAsync(GetCertificateMapRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<CertificateMapEntry> getCertificateMapEntryAsync(GetCertificateMapEntryRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<DnsAuthorization> getDnsAuthorizationAsync(GetDnsAuthorizationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<TrustConfig> getTrustConfigAsync(GetTrustConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listCertificateIssuanceConfigsAsync(ListCertificateIssuanceConfigsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listCertificateMapEntriesAsync(ListCertificateMapEntriesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listCertificateMapsAsync(ListCertificateMapsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listCertificatesAsync(ListCertificatesRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listDnsAuthorizationsAsync(ListDnsAuthorizationsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listTrustConfigsAsync(ListTrustConfigsRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateCertificateAsync(UpdateCertificateRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateCertificateMapAsync(UpdateCertificateMapRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateCertificateMapEntryAsync(UpdateCertificateMapEntryRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateDnsAuthorizationAsync(UpdateDnsAuthorizationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<OperationResponse> updateTrustConfigAsync(UpdateTrustConfigRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<Location> getLocationAsync(GetLocationRequest $request, array $optionalArgs = [])
+ * @method PromiseInterface<PagedListResponse> listLocationsAsync(ListLocationsRequest $request, array $optionalArgs = [])
  */
 final class CertificateManagerClient
 {