public void ListEntitiesForPolicyMarshallTest()
        {
            var operation = service_model.FindOperation("ListEntitiesForPolicy");

            var request = InstantiateClassGenerator.Execute<ListEntitiesForPolicyRequest>();
            var marshaller = new ListEntitiesForPolicyRequestMarshaller();
            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 = ListEntitiesForPolicyResponseUnmarshaller.Instance.Unmarshall(context)
                as ListEntitiesForPolicyResponse;   
            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);       
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListEntitiesForPolicy operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ListEntitiesForPolicy 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 EndListEntitiesForPolicy
        ///         operation.</returns>
        public IAsyncResult BeginListEntitiesForPolicy(ListEntitiesForPolicyRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new ListEntitiesForPolicyRequestMarshaller();
            var unmarshaller = ListEntitiesForPolicyResponseUnmarshaller.Instance;

            return BeginInvoke<ListEntitiesForPolicyRequest>(request, marshaller, unmarshaller,
                callback, state);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ListEntitiesForPolicy operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ListEntitiesForPolicy 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<ListEntitiesForPolicyResponse> ListEntitiesForPolicyAsync(ListEntitiesForPolicyRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new ListEntitiesForPolicyRequestMarshaller();
            var unmarshaller = ListEntitiesForPolicyResponseUnmarshaller.Instance;

            return InvokeAsync<ListEntitiesForPolicyRequest,ListEntitiesForPolicyResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }
        /// <summary>
        /// Lists all users, groups, and roles that the specified managed policy is attached to.
        /// 
        /// 
        ///  
        /// <para>
        /// You can use the optional <code>EntityFilter</code> parameter to limit the results
        /// to a particular type of entity (users, groups, or roles). For example, to list only
        /// the roles that are attached to the specified policy, set <code>EntityFilter</code>
        /// to <code>Role</code>. 
        /// </para>
        ///  
        /// <para>
        /// You can paginate the results using the <code>MaxItems</code> and <code>Marker</code>
        /// parameters. 
        /// </para>
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the ListEntitiesForPolicy service method.</param>
        /// 
        /// <returns>The response from the ListEntitiesForPolicy service method, as returned by IdentityManagementService.</returns>
        /// <exception cref="Amazon.IdentityManagement.Model.InvalidInputException">
        /// The request was rejected because an invalid or out-of-range value was supplied for
        /// an input parameter.
        /// </exception>
        /// <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>
        /// <exception cref="Amazon.IdentityManagement.Model.ServiceFailureException">
        /// The request processing has failed because of an unknown error, exception or failure.
        /// </exception>
        public ListEntitiesForPolicyResponse ListEntitiesForPolicy(ListEntitiesForPolicyRequest request)
        {
            var marshaller = new ListEntitiesForPolicyRequestMarshaller();
            var unmarshaller = ListEntitiesForPolicyResponseUnmarshaller.Instance;

            return Invoke<ListEntitiesForPolicyRequest,ListEntitiesForPolicyResponse>(request, marshaller, unmarshaller);
        }
 /// <summary>
 /// Initiates the asynchronous execution of the ListEntitiesForPolicy operation.
 /// </summary>
 /// 
 /// <param name="request">Container for the necessary parameters to execute the ListEntitiesForPolicy 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 ListEntitiesForPolicyAsync(ListEntitiesForPolicyRequest request, AmazonServiceCallback<ListEntitiesForPolicyRequest, ListEntitiesForPolicyResponse> callback, AsyncOptions options = null)
 {
     options = options == null?new AsyncOptions():options;
     var marshaller = new ListEntitiesForPolicyRequestMarshaller();
     var unmarshaller = ListEntitiesForPolicyResponseUnmarshaller.Instance;
     Action<AmazonWebServiceRequest, AmazonWebServiceResponse, Exception, AsyncOptions> callbackHelper = null;
     if(callback !=null )
         callbackHelper = (AmazonWebServiceRequest req, AmazonWebServiceResponse res, Exception ex, AsyncOptions ao) => { 
             AmazonServiceResult<ListEntitiesForPolicyRequest,ListEntitiesForPolicyResponse> responseObject 
                     = new AmazonServiceResult<ListEntitiesForPolicyRequest,ListEntitiesForPolicyResponse>((ListEntitiesForPolicyRequest)req, (ListEntitiesForPolicyResponse)res, ex , ao.State);    
                 callback(responseObject); 
         };
     BeginInvoke<ListEntitiesForPolicyRequest>(request, marshaller, unmarshaller, options, callbackHelper);
 }