/// <summary>
        /// Creates a <see cref="InstancesClient"/> which uses the specified call invoker for remote operations.
        /// </summary>
        /// <param name="callInvoker">
        /// The <see cref="grpccore::CallInvoker"/> for remote operations. Must not be null.
        /// </param>
        /// <param name="settings">Optional <see cref="InstancesSettings"/>.</param>
        /// <returns>The created <see cref="InstancesClient"/>.</returns>
        internal static InstancesClient Create(grpccore::CallInvoker callInvoker, InstancesSettings settings = null)
        {
            gax::GaxPreconditions.CheckNotNull(callInvoker, nameof(callInvoker));
            grpcinter::Interceptor interceptor = settings?.Interceptor;

            if (interceptor != null)
            {
                callInvoker = grpcinter::CallInvokerExtensions.Intercept(callInvoker, interceptor);
            }
            Instances.InstancesClient grpcClient = new Instances.InstancesClient(callInvoker);
            return(new InstancesClientImpl(grpcClient, settings));
        }
        /// <summary>
        /// Constructs a client wrapper for the Instances service, with the specified gRPC client and settings.
        /// </summary>
        /// <param name="grpcClient">The underlying gRPC client.</param>
        /// <param name="settings">The base <see cref="InstancesSettings"/> used within this client.</param>
        public InstancesClientImpl(Instances.InstancesClient grpcClient, InstancesSettings settings)
        {
            GrpcClient = grpcClient;
            InstancesSettings     effectiveSettings = settings ?? InstancesSettings.GetDefault();
            gaxgrpc::ClientHelper clientHelper      = new gaxgrpc::ClientHelper(effectiveSettings);

            DeleteInstanceOperationsClient = new lro::OperationsClientImpl(grpcClient.CreateOperationsClient(), effectiveSettings.DeleteInstanceOperationsSettings);
            DebugInstanceOperationsClient  = new lro::OperationsClientImpl(grpcClient.CreateOperationsClient(), effectiveSettings.DebugInstanceOperationsSettings);
            _callListInstances             = clientHelper.BuildApiCall <ListInstancesRequest, ListInstancesResponse>(grpcClient.ListInstancesAsync, grpcClient.ListInstances, effectiveSettings.ListInstancesSettings).WithGoogleRequestParam("parent", request => request.Parent);
            Modify_ApiCall(ref _callListInstances);
            Modify_ListInstancesApiCall(ref _callListInstances);
            _callGetInstance = clientHelper.BuildApiCall <GetInstanceRequest, Instance>(grpcClient.GetInstanceAsync, grpcClient.GetInstance, effectiveSettings.GetInstanceSettings).WithGoogleRequestParam("name", request => request.Name);
            Modify_ApiCall(ref _callGetInstance);
            Modify_GetInstanceApiCall(ref _callGetInstance);
            _callDeleteInstance = clientHelper.BuildApiCall <DeleteInstanceRequest, lro::Operation>(grpcClient.DeleteInstanceAsync, grpcClient.DeleteInstance, effectiveSettings.DeleteInstanceSettings).WithGoogleRequestParam("name", request => request.Name);
            Modify_ApiCall(ref _callDeleteInstance);
            Modify_DeleteInstanceApiCall(ref _callDeleteInstance);
            _callDebugInstance = clientHelper.BuildApiCall <DebugInstanceRequest, lro::Operation>(grpcClient.DebugInstanceAsync, grpcClient.DebugInstance, effectiveSettings.DebugInstanceSettings).WithGoogleRequestParam("name", request => request.Name);
            Modify_ApiCall(ref _callDebugInstance);
            Modify_DebugInstanceApiCall(ref _callDebugInstance);
            OnConstruction(grpcClient, effectiveSettings, clientHelper);
        }
 partial void OnConstruction(Instances.InstancesClient grpcClient, InstancesSettings effectiveSettings, gaxgrpc::ClientHelper clientHelper);