internal ListInstancesResponse ListInstances(ListInstancesRequest request)
        {
            var marshaller   = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.Instance;

            return(Invoke <ListInstancesRequest, ListInstancesResponse>(request, marshaller, unmarshaller));
        }
        public void ListInstancesMarshallTest()
        {
            var request    = InstantiateClassGenerator.Execute <ListInstancesRequest>();
            var marshaller = new ListInstancesRequestMarshaller();

            var internalRequest = marshaller.Marshall(request);
            var jsonRequest     = UTF8Encoding.UTF8.GetString(internalRequest.Content);

            Comparer.CompareObjectToJson <ListInstancesRequest>(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("ListInstances").ResponseStructure).Execute();

            webResponse.Headers.Add("Content-Length", UTF8Encoding.UTF8.GetBytes(jsonResponse).Length.ToString());
            UnmarshallerContext context = new JsonUnmarshallerContext(Utils.CreateStreamFromString(jsonResponse), false, webResponse);
            var response = ListInstancesResponseUnmarshaller.Instance.Unmarshall(context)
                           as ListInstancesResponse;

            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstances operation.
        /// <seealso cref="Amazon.ElasticMapReduce.IAmazonElasticMapReduce"/>
        /// </summary>
        ///
        /// <param name="request">Container for the necessary parameters to execute the ListInstances 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 <ListInstancesResponse> ListInstancesAsync(ListInstancesRequest request, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller   = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.Instance;

            return(Invoke <IRequest, ListInstancesRequest, ListInstancesResponse>(request, marshaller, unmarshaller, signer, cancellationToken));
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstances operation.
        /// </summary>
        ///
        /// <param name="request">Container for the necessary parameters to execute the ListInstances 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>
        /// <seealso href="http://docs.aws.amazon.com/goto/WebAPI/servicediscovery-2017-03-14/ListInstances">REST API Reference for ListInstances Operation</seealso>
        public virtual Task <ListInstancesResponse> ListInstancesAsync(ListInstancesRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller   = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.Instance;

            return(InvokeAsync <ListInstancesRequest, ListInstancesResponse>(request, marshaller,
                                                                             unmarshaller, cancellationToken));
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstances operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ListInstances 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<ListInstancesResponse> ListInstancesAsync(ListInstancesRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.Instance;

            return InvokeAsync<ListInstancesRequest,ListInstancesResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }
        /// <summary>
        /// Provides information about the cluster instances that Amazon EMR provisions on behalf
        /// of a user when it creates the cluster. For example, this operation indicates when
        /// the EC2 instances reach the Ready state, when instances become available to Amazon
        /// EMR to use for jobs, and the IP addresses for cluster instances, etc.
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the ListInstances service method.</param>
        /// 
        /// <returns>The response from the ListInstances service method, as returned by ElasticMapReduce.</returns>
        /// <exception cref="Amazon.ElasticMapReduce.Model.InternalServerException">
        /// This exception occurs when there is an internal failure in the EMR service.
        /// </exception>
        /// <exception cref="Amazon.ElasticMapReduce.Model.InvalidRequestException">
        /// This exception occurs when there is something wrong with user input.
        /// </exception>
        public ListInstancesResponse ListInstances(ListInstancesRequest request)
        {
            var marshaller = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.Instance;

            return Invoke<ListInstancesRequest,ListInstancesResponse>(request, marshaller, unmarshaller);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstances operation.
        /// <seealso cref="Amazon.ElasticMapReduce.IAmazonElasticMapReduce.ListInstances"/>
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ListInstances 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<ListInstancesResponse> ListInstancesAsync(ListInstancesRequest request, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.GetInstance();
            return Invoke<IRequest, ListInstancesRequest, ListInstancesResponse>(request, marshaller, unmarshaller, signer, cancellationToken);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstances operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ListInstances operation on AmazonElasticMapReduceClient.</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 EndListInstances
        ///         operation.</returns>
        public IAsyncResult BeginListInstances(ListInstancesRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.Instance;

            return BeginInvoke<ListInstancesRequest>(request, marshaller, unmarshaller,
                callback, state);
        }
 IAsyncResult invokeListInstances(ListInstancesRequest listInstancesRequest, AsyncCallback callback, object state, bool synchronized)
 {
     IRequest irequest = new ListInstancesRequestMarshaller().Marshall(listInstancesRequest);
     var unmarshaller = ListInstancesResponseUnmarshaller.GetInstance();
     AsyncResult result = new AsyncResult(irequest, callback, state, synchronized, signer, unmarshaller);
     Invoke(result);
     return result;
 }
        /// <summary>
        /// <para>Provides information about the cluster instances that Amazon EMR provisions on behalf of a user when it creates the cluster. For
        /// example, this operation indicates when the EC2 instances reach the Ready state, when instances become available to Amazon EMR to use for
        /// jobs, and the IP addresses for cluster instances, etc. </para>
        /// </summary>
        /// 
        /// <param name="listInstancesRequest">Container for the necessary parameters to execute the ListInstances service method on
        /// AmazonElasticMapReduce.</param>
        /// 
        /// <returns>The response from the ListInstances service method, as returned by AmazonElasticMapReduce.</returns>
        /// 
        /// <exception cref="T:Amazon.ElasticMapReduce.Model.InternalServerException" />
        /// <exception cref="T:Amazon.ElasticMapReduce.Model.InvalidRequestException" />
        /// <param name="cancellationToken">
        ///     A cancellation token that can be used by other objects or threads to receive notice of cancellation.
        /// </param>
		public async Task<ListInstancesResponse> ListInstancesAsync(ListInstancesRequest listInstancesRequest, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.GetInstance();
            var response = await Invoke<IRequest, ListInstancesRequest, ListInstancesResponse>(listInstancesRequest, marshaller, unmarshaller, signer, cancellationToken)
                .ConfigureAwait(continueOnCapturedContext: false);
            return response;
        }
        public void ListInstancesMarshallTest()
        {
            var request = InstantiateClassGenerator.Execute<ListInstancesRequest>();
            var marshaller = new ListInstancesRequestMarshaller();

            var internalRequest = marshaller.Marshall(request);
            var jsonRequest = UTF8Encoding.UTF8.GetString(internalRequest.Content);                        
            Comparer.CompareObjectToJson<ListInstancesRequest>(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("ListInstances").ResponseStructure).Execute();
            webResponse.Headers.Add("Content-Length", UTF8Encoding.UTF8.GetBytes(jsonResponse).Length.ToString());
            UnmarshallerContext context = new JsonUnmarshallerContext(Utils.CreateStreamFromString(jsonResponse), false, webResponse);
            var response = ListInstancesResponseUnmarshaller.Instance.Unmarshall(context)
                as ListInstancesResponse;
            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);
        }
        IAsyncResult invokeListInstances(ListInstancesRequest request, AsyncCallback callback, object state, bool synchronized)
        {
            var marshaller = new ListInstancesRequestMarshaller();
            var unmarshaller = ListInstancesResponseUnmarshaller.Instance;

            return Invoke(request, callback, state, synchronized, marshaller, unmarshaller, signer);
        }