/// <summary>
        /// Constructs a client wrapper for the RegionNotificationEndpoints service, with the specified gRPC client and
        /// settings.
        /// </summary>
        /// <param name="grpcClient">The underlying gRPC client.</param>
        /// <param name="settings">
        /// The base <see cref="RegionNotificationEndpointsSettings"/> used within this client.
        /// </param>
        public RegionNotificationEndpointsClientImpl(RegionNotificationEndpoints.RegionNotificationEndpointsClient grpcClient, RegionNotificationEndpointsSettings settings)
        {
            GrpcClient = grpcClient;
            RegionNotificationEndpointsSettings effectiveSettings = settings ?? RegionNotificationEndpointsSettings.GetDefault();
            gaxgrpc::ClientHelper clientHelper = new gaxgrpc::ClientHelper(effectiveSettings);

            _callDelete = clientHelper.BuildApiCall <DeleteRegionNotificationEndpointRequest, Operation>(grpcClient.DeleteAsync, grpcClient.Delete, effectiveSettings.DeleteSettings).WithGoogleRequestParam("project", request => request.Project).WithGoogleRequestParam("region", request => request.Region).WithGoogleRequestParam("notification_endpoint", request => request.NotificationEndpoint);
            Modify_ApiCall(ref _callDelete);
            Modify_DeleteApiCall(ref _callDelete);
            _callGet = clientHelper.BuildApiCall <GetRegionNotificationEndpointRequest, NotificationEndpoint>(grpcClient.GetAsync, grpcClient.Get, effectiveSettings.GetSettings).WithGoogleRequestParam("project", request => request.Project).WithGoogleRequestParam("region", request => request.Region).WithGoogleRequestParam("notification_endpoint", request => request.NotificationEndpoint);
            Modify_ApiCall(ref _callGet);
            Modify_GetApiCall(ref _callGet);
            _callInsert = clientHelper.BuildApiCall <InsertRegionNotificationEndpointRequest, Operation>(grpcClient.InsertAsync, grpcClient.Insert, effectiveSettings.InsertSettings).WithGoogleRequestParam("project", request => request.Project).WithGoogleRequestParam("region", request => request.Region);
            Modify_ApiCall(ref _callInsert);
            Modify_InsertApiCall(ref _callInsert);
            _callList = clientHelper.BuildApiCall <ListRegionNotificationEndpointsRequest, NotificationEndpointList>(grpcClient.ListAsync, grpcClient.List, effectiveSettings.ListSettings).WithGoogleRequestParam("project", request => request.Project).WithGoogleRequestParam("region", request => request.Region);
            Modify_ApiCall(ref _callList);
            Modify_ListApiCall(ref _callList);
            OnConstruction(grpcClient, effectiveSettings, clientHelper);
        }