/// <summary>
        /// Creates a new tunnel, and returns two client access tokens for clients to use to connect
        /// to the AWS IoT Secure Tunneling proxy server. .
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the OpenTunnel service method.</param>
        ///
        /// <returns>The response from the OpenTunnel service method, as returned by IoTSecureTunneling.</returns>
        /// <exception cref="Amazon.IoTSecureTunneling.Model.LimitExceededException">
        /// Thrown when a tunnel limit is exceeded.
        /// </exception>
        /// <seealso href="http://docs.aws.amazon.com/goto/WebAPI/iotsecuretunneling-2018-10-05/OpenTunnel">REST API Reference for OpenTunnel Operation</seealso>
        public virtual OpenTunnelResponse OpenTunnel(OpenTunnelRequest request)
        {
            var options = new InvokeOptions();

            options.RequestMarshaller    = OpenTunnelRequestMarshaller.Instance;
            options.ResponseUnmarshaller = OpenTunnelResponseUnmarshaller.Instance;

            return(Invoke <OpenTunnelResponse>(request, options));
        }
        /// <summary>
        /// Initiates the asynchronous execution of the OpenTunnel operation.
        /// </summary>
        ///
        /// <param name="request">Container for the necessary parameters to execute the OpenTunnel operation on AmazonIoTSecureTunnelingClient.</param>
        /// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
        /// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
        ///          procedure using the AsyncState property.</param>
        ///
        /// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndOpenTunnel
        ///         operation.</returns>
        /// <seealso href="http://docs.aws.amazon.com/goto/WebAPI/iotsecuretunneling-2018-10-05/OpenTunnel">REST API Reference for OpenTunnel Operation</seealso>
        public virtual IAsyncResult BeginOpenTunnel(OpenTunnelRequest request, AsyncCallback callback, object state)
        {
            var options = new InvokeOptions();

            options.RequestMarshaller    = OpenTunnelRequestMarshaller.Instance;
            options.ResponseUnmarshaller = OpenTunnelResponseUnmarshaller.Instance;

            return(BeginInvoke(request, options, callback, state));
        }
        /// <summary>
        /// Creates a new tunnel, and returns two client access tokens for clients to use to connect
        /// to the AWS IoT Secure Tunneling proxy server.
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the OpenTunnel service method.</param>
        /// <param name="cancellationToken">
        ///     A cancellation token that can be used by other objects or threads to receive notice of cancellation.
        /// </param>
        ///
        /// <returns>The response from the OpenTunnel service method, as returned by IoTSecureTunneling.</returns>
        /// <exception cref="Amazon.IoTSecureTunneling.Model.LimitExceededException">
        /// Thrown when a tunnel limit is exceeded.
        /// </exception>
        /// <seealso href="http://docs.aws.amazon.com/goto/WebAPI/iotsecuretunneling-2018-10-05/OpenTunnel">REST API Reference for OpenTunnel Operation</seealso>
        public virtual Task <OpenTunnelResponse> OpenTunnelAsync(OpenTunnelRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var options = new InvokeOptions();

            options.RequestMarshaller    = OpenTunnelRequestMarshaller.Instance;
            options.ResponseUnmarshaller = OpenTunnelResponseUnmarshaller.Instance;

            return(InvokeAsync <OpenTunnelResponse>(request, options, cancellationToken));
        }