public void GetAccessKeyLastUsedMarshallTest()
        {
            var operation = service_model.FindOperation("GetAccessKeyLastUsed");

            var request = InstantiateClassGenerator.Execute<GetAccessKeyLastUsedRequest>();
            var marshaller = new GetAccessKeyLastUsedRequestMarshaller();
            var internalRequest = marshaller.Marshall(request);
            var validator = new AWSQueryValidator(internalRequest.Parameters, request, service_model, operation);
            validator.Validate();


            var payloadResponse = new XmlSampleGenerator(service_model, operation).Execute();
            var context = new XmlUnmarshallerContext(Utils.CreateStreamFromString(payloadResponse), false, null);
            var response = GetAccessKeyLastUsedResponseUnmarshaller.Instance.Unmarshall(context)
                as GetAccessKeyLastUsedResponse;   
            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);       
        }
        /// <summary>
        /// Initiates the asynchronous execution of the GetAccessKeyLastUsed operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the GetAccessKeyLastUsed operation on AmazonIdentityManagementServiceClient.</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 EndGetAccessKeyLastUsed
        ///         operation.</returns>
        public IAsyncResult BeginGetAccessKeyLastUsed(GetAccessKeyLastUsedRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new GetAccessKeyLastUsedRequestMarshaller();
            var unmarshaller = GetAccessKeyLastUsedResponseUnmarshaller.Instance;

            return BeginInvoke<GetAccessKeyLastUsedRequest>(request, marshaller, unmarshaller,
                callback, state);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the GetAccessKeyLastUsed operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the GetAccessKeyLastUsed 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<GetAccessKeyLastUsedResponse> GetAccessKeyLastUsedAsync(GetAccessKeyLastUsedRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new GetAccessKeyLastUsedRequestMarshaller();
            var unmarshaller = GetAccessKeyLastUsedResponseUnmarshaller.Instance;

            return InvokeAsync<GetAccessKeyLastUsedRequest,GetAccessKeyLastUsedResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }
        /// <summary>
        /// Retrieves information about when the specified access key was last used. The information
        /// includes the date and time of last use, along with the AWS service and region that
        /// were specified in the last request made with that key.
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the GetAccessKeyLastUsed service method.</param>
        /// 
        /// <returns>The response from the GetAccessKeyLastUsed service method, as returned by IdentityManagementService.</returns>
        /// <exception cref="Amazon.IdentityManagement.Model.NoSuchEntityException">
        /// The request was rejected because it referenced an entity that does not exist. The
        /// error message describes the entity.
        /// </exception>
        public GetAccessKeyLastUsedResponse GetAccessKeyLastUsed(GetAccessKeyLastUsedRequest request)
        {
            var marshaller = new GetAccessKeyLastUsedRequestMarshaller();
            var unmarshaller = GetAccessKeyLastUsedResponseUnmarshaller.Instance;

            return Invoke<GetAccessKeyLastUsedRequest,GetAccessKeyLastUsedResponse>(request, marshaller, unmarshaller);
        }
 /// <summary>
 /// Initiates the asynchronous execution of the GetAccessKeyLastUsed operation.
 /// </summary>
 /// 
 /// <param name="request">Container for the necessary parameters to execute the GetAccessKeyLastUsed operation on AmazonIdentityManagementServiceClient.</param>
 /// <param name="callback">An Action delegate that is invoked when the operation completes.</param>
 /// <param name="options">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>
 public void GetAccessKeyLastUsedAsync(GetAccessKeyLastUsedRequest request, AmazonServiceCallback<GetAccessKeyLastUsedRequest, GetAccessKeyLastUsedResponse> callback, AsyncOptions options = null)
 {
     options = options == null?new AsyncOptions():options;
     var marshaller = new GetAccessKeyLastUsedRequestMarshaller();
     var unmarshaller = GetAccessKeyLastUsedResponseUnmarshaller.Instance;
     Action<AmazonWebServiceRequest, AmazonWebServiceResponse, Exception, AsyncOptions> callbackHelper = null;
     if(callback !=null )
         callbackHelper = (AmazonWebServiceRequest req, AmazonWebServiceResponse res, Exception ex, AsyncOptions ao) => { 
             AmazonServiceResult<GetAccessKeyLastUsedRequest,GetAccessKeyLastUsedResponse> responseObject 
                     = new AmazonServiceResult<GetAccessKeyLastUsedRequest,GetAccessKeyLastUsedResponse>((GetAccessKeyLastUsedRequest)req, (GetAccessKeyLastUsedResponse)res, ex , ao.State);    
                 callback(responseObject); 
         };
     BeginInvoke<GetAccessKeyLastUsedRequest>(request, marshaller, unmarshaller, options, callbackHelper);
 }