/// <summary>
        /// Creates a <see cref="CampaignServiceClient"/> 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="CampaignServiceSettings"/>.</param>
        /// <returns>The created <see cref="CampaignServiceClient"/>.</returns>
        internal static CampaignServiceClient Create(grpccore::CallInvoker callInvoker, CampaignServiceSettings settings = null)
        {
            gax::GaxPreconditions.CheckNotNull(callInvoker, nameof(callInvoker));
            grpcinter::Interceptor interceptor = settings?.Interceptor;

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

            _callGetCampaign = clientHelper.BuildApiCall <GetCampaignRequest, gagvr::Campaign>(grpcClient.GetCampaignAsync, grpcClient.GetCampaign, effectiveSettings.GetCampaignSettings).WithGoogleRequestParam("resource_name", request => request.ResourceName);
            Modify_ApiCall(ref _callGetCampaign);
            Modify_GetCampaignApiCall(ref _callGetCampaign);
            _callMutateCampaigns = clientHelper.BuildApiCall <MutateCampaignsRequest, MutateCampaignsResponse>(grpcClient.MutateCampaignsAsync, grpcClient.MutateCampaigns, effectiveSettings.MutateCampaignsSettings).WithGoogleRequestParam("customer_id", request => request.CustomerId);
            Modify_ApiCall(ref _callMutateCampaigns);
            Modify_MutateCampaignsApiCall(ref _callMutateCampaigns);
            OnConstruction(grpcClient, effectiveSettings, clientHelper);
        }
 partial void OnConstruction(CampaignService.CampaignServiceClient grpcClient, CampaignServiceSettings effectiveSettings, gaxgrpc::ClientHelper clientHelper);