public void ListInstanceGroupsMarshallTest()
        {
            var request    = InstantiateClassGenerator.Execute <ListInstanceGroupsRequest>();
            var marshaller = new ListInstanceGroupsRequestMarshaller();

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

            Comparer.CompareObjectToJson <ListInstanceGroupsRequest>(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("ListInstanceGroups").ResponseStructure).Execute();

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

            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);
        }
        internal ListInstanceGroupsResponse ListInstanceGroups(ListInstanceGroupsRequest request)
        {
            var marshaller   = new ListInstanceGroupsRequestMarshaller();
            var unmarshaller = ListInstanceGroupsResponseUnmarshaller.Instance;

            return(Invoke <ListInstanceGroupsRequest, ListInstanceGroupsResponse>(request, marshaller, unmarshaller));
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstanceGroups operation.
        /// <seealso cref="Amazon.ElasticMapReduce.IAmazonElasticMapReduce"/>
        /// </summary>
        ///
        /// <param name="request">Container for the necessary parameters to execute the ListInstanceGroups 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 <ListInstanceGroupsResponse> ListInstanceGroupsAsync(ListInstanceGroupsRequest request, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller   = new ListInstanceGroupsRequestMarshaller();
            var unmarshaller = ListInstanceGroupsResponseUnmarshaller.Instance;

            return(Invoke <IRequest, ListInstanceGroupsRequest, ListInstanceGroupsResponse>(request, marshaller, unmarshaller, signer, cancellationToken));
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstanceGroups operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ListInstanceGroups 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<ListInstanceGroupsResponse> ListInstanceGroupsAsync(ListInstanceGroupsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new ListInstanceGroupsRequestMarshaller();
            var unmarshaller = ListInstanceGroupsResponseUnmarshaller.Instance;

            return InvokeAsync<ListInstanceGroupsRequest,ListInstanceGroupsResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }
        /// <summary>
        /// Provides all available details about the instance groups in a cluster.
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the ListInstanceGroups service method.</param>
        /// 
        /// <returns>The response from the ListInstanceGroups 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 ListInstanceGroupsResponse ListInstanceGroups(ListInstanceGroupsRequest request)
        {
            var marshaller = new ListInstanceGroupsRequestMarshaller();
            var unmarshaller = ListInstanceGroupsResponseUnmarshaller.Instance;

            return Invoke<ListInstanceGroupsRequest,ListInstanceGroupsResponse>(request, marshaller, unmarshaller);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstanceGroups operation.
        /// <seealso cref="Amazon.ElasticMapReduce.IAmazonElasticMapReduce.ListInstanceGroups"/>
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ListInstanceGroups 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<ListInstanceGroupsResponse> ListInstanceGroupsAsync(ListInstanceGroupsRequest request, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new ListInstanceGroupsRequestMarshaller();
            var unmarshaller = ListInstanceGroupsResponseUnmarshaller.GetInstance();
            return Invoke<IRequest, ListInstanceGroupsRequest, ListInstanceGroupsResponse>(request, marshaller, unmarshaller, signer, cancellationToken);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListInstanceGroups operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ListInstanceGroups 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 EndListInstanceGroups
        ///         operation.</returns>
        public IAsyncResult BeginListInstanceGroups(ListInstanceGroupsRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new ListInstanceGroupsRequestMarshaller();
            var unmarshaller = ListInstanceGroupsResponseUnmarshaller.Instance;

            return BeginInvoke<ListInstanceGroupsRequest>(request, marshaller, unmarshaller,
                callback, state);
        }
 IAsyncResult invokeListInstanceGroups(ListInstanceGroupsRequest listInstanceGroupsRequest, AsyncCallback callback, object state, bool synchronized)
 {
     IRequest irequest = new ListInstanceGroupsRequestMarshaller().Marshall(listInstanceGroupsRequest);
     var unmarshaller = ListInstanceGroupsResponseUnmarshaller.GetInstance();
     AsyncResult result = new AsyncResult(irequest, callback, state, synchronized, signer, unmarshaller);
     Invoke(result);
     return result;
 }
        /// <summary>
        /// <para>Provides all available details about the instance groups in a cluster.</para>
        /// </summary>
        /// 
        /// <param name="listInstanceGroupsRequest">Container for the necessary parameters to execute the ListInstanceGroups service method on
        /// AmazonElasticMapReduce.</param>
        /// 
        /// <returns>The response from the ListInstanceGroups 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<ListInstanceGroupsResponse> ListInstanceGroupsAsync(ListInstanceGroupsRequest listInstanceGroupsRequest, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new ListInstanceGroupsRequestMarshaller();
            var unmarshaller = ListInstanceGroupsResponseUnmarshaller.GetInstance();
            var response = await Invoke<IRequest, ListInstanceGroupsRequest, ListInstanceGroupsResponse>(listInstanceGroupsRequest, marshaller, unmarshaller, signer, cancellationToken)
                .ConfigureAwait(continueOnCapturedContext: false);
            return response;
        }
        public void ListInstanceGroupsMarshallTest()
        {
            var request = InstantiateClassGenerator.Execute<ListInstanceGroupsRequest>();
            var marshaller = new ListInstanceGroupsRequestMarshaller();

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

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