public void AddCacheMarshallTest()
        {
            var request = InstantiateClassGenerator.Execute<AddCacheRequest>();
            var marshaller = new AddCacheRequestMarshaller();

            var internalRequest = marshaller.Marshall(request);
            var jsonRequest = UTF8Encoding.UTF8.GetString(internalRequest.Content);                        
            Comparer.CompareObjectToJson<AddCacheRequest>(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("AddCache").ResponseStructure).Execute();
            webResponse.Headers.Add("Content-Length", UTF8Encoding.UTF8.GetBytes(jsonResponse).Length.ToString());
            UnmarshallerContext context = new JsonUnmarshallerContext(Utils.CreateStreamFromString(jsonResponse), false, webResponse);
            var response = AddCacheResponseUnmarshaller.Instance.Unmarshall(context)
                as AddCacheResponse;
            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the AddCache operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the AddCache operation on AmazonStorageGatewayClient.</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 EndAddCache
        ///         operation.</returns>
        public IAsyncResult BeginAddCache(AddCacheRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new AddCacheRequestMarshaller();
            var unmarshaller = AddCacheResponseUnmarshaller.Instance;

            return BeginInvoke<AddCacheRequest>(request, marshaller, unmarshaller,
                callback, state);
        }
        /// <summary>
        /// Configures one or more gateway local disks as cache for a cached-volume gateway. This
        /// operation is supported only for the gateway-cached volume architecture (see <a href="http://docs.aws.amazon.com/storagegateway/latest/userguide/StorageGatewayConcepts.html">Storage
        /// Gateway Concepts</a>).
        /// 
        ///  
        /// <para>
        /// In the request, you specify the gateway Amazon Resource Name (ARN) to which you want
        /// to add cache, and one or more disk IDs that you want to configure as cache.
        /// </para>
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the AddCache service method.</param>
        /// 
        /// <returns>The response from the AddCache service method, as returned by StorageGateway.</returns>
        /// <exception cref="Amazon.StorageGateway.Model.InternalServerErrorException">
        /// An internal server error has occurred during the request. For more information, see
        /// the error and message fields.
        /// </exception>
        /// <exception cref="Amazon.StorageGateway.Model.InvalidGatewayRequestException">
        /// An exception occurred because an invalid gateway request was issued to the service.
        /// For more information, see the error and message fields.
        /// </exception>
        public AddCacheResponse AddCache(AddCacheRequest request)
        {
            var marshaller = new AddCacheRequestMarshaller();
            var unmarshaller = AddCacheResponseUnmarshaller.Instance;

            return Invoke<AddCacheRequest,AddCacheResponse>(request, marshaller, unmarshaller);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the AddCache operation.
        /// <seealso cref="Amazon.StorageGateway.IAmazonStorageGateway.AddCache"/>
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the AddCache 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<AddCacheResponse> AddCacheAsync(AddCacheRequest request, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new AddCacheRequestMarshaller();
            var unmarshaller = AddCacheResponseUnmarshaller.GetInstance();
            return Invoke<IRequest, AddCacheRequest, AddCacheResponse>(request, marshaller, unmarshaller, signer, cancellationToken);
        }
 IAsyncResult invokeAddCache(AddCacheRequest addCacheRequest, AsyncCallback callback, object state, bool synchronized)
 {
     IRequest irequest = new AddCacheRequestMarshaller().Marshall(addCacheRequest);
     var unmarshaller = AddCacheResponseUnmarshaller.GetInstance();
     AsyncResult result = new AsyncResult(irequest, callback, state, synchronized, signer, unmarshaller);
     Invoke(result);
     return result;
 }
        /// <summary>
        /// Initiates the asynchronous execution of the AddCache operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the AddCache 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<AddCacheResponse> AddCacheAsync(AddCacheRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new AddCacheRequestMarshaller();
            var unmarshaller = AddCacheResponseUnmarshaller.Instance;

            return InvokeAsync<AddCacheRequest,AddCacheResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }
        /// <summary>
        /// <para>This operation configures one or more gateway local disks as cache for a cached-volume gateway. This operation is supported only for
        /// the gateway-cached volume architecture (see <a href="http://docs.aws.amazon.com/storagegateway/latest/userguide/StorageGatewayConcepts.html">Storage Gateway Concepts</a> ).</para> <para>In the request, you specify the gateway Amazon Resource Name (ARN) to which you want to add
        /// cache, and one or more disk IDs that you want to configure as cache. </para>
        /// </summary>
        /// 
        /// <param name="addCacheRequest">Container for the necessary parameters to execute the AddCache service method on AmazonStorageGateway.</param>
        /// 
        /// <returns>The response from the AddCache service method, as returned by AmazonStorageGateway.</returns>
        /// 
        /// <exception cref="T:Amazon.StorageGateway.Model.InternalServerErrorException" />
        /// <exception cref="T:Amazon.StorageGateway.Model.InvalidGatewayRequestException" />
        /// <param name="cancellationToken">
        ///     A cancellation token that can be used by other objects or threads to receive notice of cancellation.
        /// </param>
		public async Task<AddCacheResponse> AddCacheAsync(AddCacheRequest addCacheRequest, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new AddCacheRequestMarshaller();
            var unmarshaller = AddCacheResponseUnmarshaller.GetInstance();
            var response = await Invoke<IRequest, AddCacheRequest, AddCacheResponse>(addCacheRequest, marshaller, unmarshaller, signer, cancellationToken)
                .ConfigureAwait(continueOnCapturedContext: false);
            return response;
        }