public void DescribePermissionsMarshallTest()
        {
            var request = InstantiateClassGenerator.Execute<DescribePermissionsRequest>();
            var marshaller = new DescribePermissionsRequestMarshaller();

            var internalRequest = marshaller.Marshall(request);
            var jsonRequest = UTF8Encoding.UTF8.GetString(internalRequest.Content);                        
            Comparer.CompareObjectToJson<DescribePermissionsRequest>(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("DescribePermissions").ResponseStructure).Execute();
            webResponse.Headers.Add("Content-Length", UTF8Encoding.UTF8.GetBytes(jsonResponse).Length.ToString());
            UnmarshallerContext context = new JsonUnmarshallerContext(Utils.CreateStreamFromString(jsonResponse), false, webResponse);
            var response = DescribePermissionsResponseUnmarshaller.Instance.Unmarshall(context)
                as DescribePermissionsResponse;
            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);
        }
        internal DescribePermissionsResponse DescribePermissions(DescribePermissionsRequest request)
        {
            var marshaller = new DescribePermissionsRequestMarshaller();
            var unmarshaller = DescribePermissionsResponseUnmarshaller.Instance;

            return Invoke<DescribePermissionsRequest,DescribePermissionsResponse>(request, marshaller, unmarshaller);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the DescribePermissions operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the DescribePermissions 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<DescribePermissionsResponse> DescribePermissionsAsync(DescribePermissionsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new DescribePermissionsRequestMarshaller();
            var unmarshaller = DescribePermissionsResponseUnmarshaller.Instance;

            return InvokeAsync<DescribePermissionsRequest,DescribePermissionsResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }
        /// <summary>
        /// <para>Describes the permissions for a specified stack.</para> <para> <b>Required Permissions</b> : To use this action, an IAM user must have
        /// a Manage permissions level for the stack, or an attached policy that explicitly grants permissions. For more information on user
        /// permissions, see <a href="http://docs.aws.amazon.com/opsworks/latest/userguide/opsworks-security-users.html">Managing User Permissions</a>
        /// .</para>
        /// </summary>
        /// 
        /// <param name="describePermissionsRequest">Container for the necessary parameters to execute the DescribePermissions service method on
        /// AmazonOpsWorks.</param>
        /// 
        /// <returns>The response from the DescribePermissions service method, as returned by AmazonOpsWorks.</returns>
        /// 
        /// <exception cref="T:Amazon.OpsWorks.Model.ResourceNotFoundException" />
        /// <exception cref="T:Amazon.OpsWorks.Model.ValidationException" />
        /// <param name="cancellationToken">
        ///     A cancellation token that can be used by other objects or threads to receive notice of cancellation.
        /// </param>
		public Task<DescribePermissionsResponse> DescribePermissionsAsync(DescribePermissionsRequest describePermissionsRequest, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new DescribePermissionsRequestMarshaller();
            var unmarshaller = DescribePermissionsResponseUnmarshaller.GetInstance();
            return Invoke<IRequest, DescribePermissionsRequest, DescribePermissionsResponse>(describePermissionsRequest, marshaller, unmarshaller, signer, cancellationToken);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the DescribePermissions operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the DescribePermissions operation on AmazonOpsWorksClient.</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 EndDescribePermissions
        ///         operation.</returns>
        public IAsyncResult BeginDescribePermissions(DescribePermissionsRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new DescribePermissionsRequestMarshaller();
            var unmarshaller = DescribePermissionsResponseUnmarshaller.Instance;

            return BeginInvoke<DescribePermissionsRequest>(request, marshaller, unmarshaller,
                callback, state);
        }
 IAsyncResult invokeDescribePermissions(DescribePermissionsRequest describePermissionsRequest, AsyncCallback callback, object state, bool synchronized)
 {
     IRequest irequest = new DescribePermissionsRequestMarshaller().Marshall(describePermissionsRequest);
     var unmarshaller = DescribePermissionsResponseUnmarshaller.GetInstance();
     AsyncResult result = new AsyncResult(irequest, callback, state, synchronized, signer, unmarshaller);
     Invoke(result);
     return result;
 }
        IAsyncResult invokeDescribePermissions(DescribePermissionsRequest request, AsyncCallback callback, object state, bool synchronized)
        {
            var marshaller = new DescribePermissionsRequestMarshaller();
            var unmarshaller = DescribePermissionsResponseUnmarshaller.Instance;

            return Invoke(request, callback, state, synchronized, marshaller, unmarshaller, signer);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the DescribePermissions operation.
        /// <seealso cref="Amazon.OpsWorks.IAmazonOpsWorks.DescribePermissions"/>
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the DescribePermissions 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 async Task<DescribePermissionsResponse> DescribePermissionsAsync(DescribePermissionsRequest request, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new DescribePermissionsRequestMarshaller();
            var unmarshaller = DescribePermissionsResponseUnmarshaller.GetInstance();
            var response = await Invoke<IRequest, DescribePermissionsRequest, DescribePermissionsResponse>(request, marshaller, unmarshaller, signer, cancellationToken)
                .ConfigureAwait(continueOnCapturedContext: false);
            return response;
        }