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

            _callDetectIntent = clientHelper.BuildApiCall <DetectIntentRequest, DetectIntentResponse>(grpcClient.DetectIntentAsync, grpcClient.DetectIntent, effectiveSettings.DetectIntentSettings).WithGoogleRequestParam("session", request => request.Session);
            Modify_ApiCall(ref _callDetectIntent);
            Modify_DetectIntentApiCall(ref _callDetectIntent);
            _callStreamingDetectIntent = clientHelper.BuildApiCall <StreamingDetectIntentRequest, StreamingDetectIntentResponse>(grpcClient.StreamingDetectIntent, effectiveSettings.StreamingDetectIntentSettings, effectiveSettings.StreamingDetectIntentStreamingSettings);
            Modify_ApiCall(ref _callStreamingDetectIntent);
            Modify_StreamingDetectIntentApiCall(ref _callStreamingDetectIntent);
            _callMatchIntent = clientHelper.BuildApiCall <MatchIntentRequest, MatchIntentResponse>(grpcClient.MatchIntentAsync, grpcClient.MatchIntent, effectiveSettings.MatchIntentSettings).WithGoogleRequestParam("session", request => request.Session);
            Modify_ApiCall(ref _callMatchIntent);
            Modify_MatchIntentApiCall(ref _callMatchIntent);
            _callFulfillIntent = clientHelper.BuildApiCall <FulfillIntentRequest, FulfillIntentResponse>(grpcClient.FulfillIntentAsync, grpcClient.FulfillIntent, effectiveSettings.FulfillIntentSettings).WithGoogleRequestParam("match_intent_request.session", request => request.MatchIntentRequest?.Session);
            Modify_ApiCall(ref _callFulfillIntent);
            Modify_FulfillIntentApiCall(ref _callFulfillIntent);
            OnConstruction(grpcClient, effectiveSettings, clientHelper);
        }