public void GetCommandInvocationMarshallTest()
        {
            var request = InstantiateClassGenerator.Execute<GetCommandInvocationRequest>();
            var marshaller = new GetCommandInvocationRequestMarshaller();

            var internalRequest = marshaller.Marshall(request);
            var jsonRequest = UTF8Encoding.UTF8.GetString(internalRequest.Content);                        
            Comparer.CompareObjectToJson<GetCommandInvocationRequest>(request,jsonRequest);

            var webResponse = new WebResponseData
            {
                Headers = {
                    {"x-amzn-RequestId", Guid.NewGuid().ToString()},
                    {"x-amz-crc32","0"}
                }
            };
            var jsonResponse = new JsonSampleGenerator(service_model, service_model.FindOperation("GetCommandInvocation").ResponseStructure).Execute();
            webResponse.Headers.Add("Content-Length", UTF8Encoding.UTF8.GetBytes(jsonResponse).Length.ToString());
            UnmarshallerContext context = new JsonUnmarshallerContext(Utils.CreateStreamFromString(jsonResponse), false, webResponse);
            var response = GetCommandInvocationResponseUnmarshaller.Instance.Unmarshall(context)
                as GetCommandInvocationResponse;
            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);
        }
        /// <summary>
        /// Returns detailed information about command execution for an invocation or plugin.
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the GetCommandInvocation service method.</param>
        /// 
        /// <returns>The response from the GetCommandInvocation service method, as returned by SimpleSystemsManagement.</returns>
        /// <exception cref="Amazon.SimpleSystemsManagement.Model.InternalServerErrorException">
        /// An error occurred on the server side.
        /// </exception>
        /// <exception cref="Amazon.SimpleSystemsManagement.Model.InvalidCommandIdException">
        /// 
        /// </exception>
        /// <exception cref="Amazon.SimpleSystemsManagement.Model.InvalidInstanceIdException">
        /// The following problems can cause this exception:
        /// 
        ///  
        /// <para>
        /// You do not have permission to access the instance.
        /// </para>
        ///  
        /// <para>
        /// The SSM agent is not running. On managed instances and Linux instances, verify that
        /// the SSM agent is running. On EC2 Windows instances, verify that the EC2Config service
        /// is running.
        /// </para>
        ///  
        /// <para>
        /// The SSM agent or EC2Config service is not registered to the SSM endpoint. Try reinstalling
        /// the SSM agent or EC2Config service.
        /// </para>
        ///  
        /// <para>
        /// The instance is not in valid state. Valid states are: Running, Pending, Stopped, Stopping.
        /// Invalid states are: Shutting-down and Terminated.
        /// </para>
        /// </exception>
        /// <exception cref="Amazon.SimpleSystemsManagement.Model.InvalidPluginNameException">
        /// The plugin name is not valid.
        /// </exception>
        /// <exception cref="Amazon.SimpleSystemsManagement.Model.InvocationDoesNotExistException">
        /// The command ID and instance ID you specified did not match any invocations. Verify
        /// the command ID adn the instance ID and try again.
        /// </exception>
        public GetCommandInvocationResponse GetCommandInvocation(GetCommandInvocationRequest request)
        {
            var marshaller = new GetCommandInvocationRequestMarshaller();
            var unmarshaller = GetCommandInvocationResponseUnmarshaller.Instance;

            return Invoke<GetCommandInvocationRequest,GetCommandInvocationResponse>(request, marshaller, unmarshaller);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the GetCommandInvocation operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the GetCommandInvocation operation on AmazonSimpleSystemsManagementClient.</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 EndGetCommandInvocation
        ///         operation.</returns>
        public IAsyncResult BeginGetCommandInvocation(GetCommandInvocationRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new GetCommandInvocationRequestMarshaller();
            var unmarshaller = GetCommandInvocationResponseUnmarshaller.Instance;

            return BeginInvoke<GetCommandInvocationRequest>(request, marshaller, unmarshaller,
                callback, state);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the GetCommandInvocation operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the GetCommandInvocation operation.</param>
        /// <param name="cancellationToken">
        ///     A cancellation token that can be used by other objects or threads to receive notice of cancellation.
        /// </param>
        /// <returns>The task object representing the asynchronous operation.</returns>
        public Task<GetCommandInvocationResponse> GetCommandInvocationAsync(GetCommandInvocationRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new GetCommandInvocationRequestMarshaller();
            var unmarshaller = GetCommandInvocationResponseUnmarshaller.Instance;

            return InvokeAsync<GetCommandInvocationRequest,GetCommandInvocationResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }