public void DetachGroupPolicyMarshallTest()
        {
            var operation = service_model.FindOperation("DetachGroupPolicy");

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


        }
        /// <summary>
        /// Initiates the asynchronous execution of the DetachGroupPolicy operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the DetachGroupPolicy 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 EndDetachGroupPolicy
        ///         operation.</returns>
        public IAsyncResult BeginDetachGroupPolicy(DetachGroupPolicyRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new DetachGroupPolicyRequestMarshaller();
            var unmarshaller = DetachGroupPolicyResponseUnmarshaller.Instance;

            return BeginInvoke<DetachGroupPolicyRequest>(request, marshaller, unmarshaller,
                callback, state);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the DetachGroupPolicy operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the DetachGroupPolicy 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<DetachGroupPolicyResponse> DetachGroupPolicyAsync(DetachGroupPolicyRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new DetachGroupPolicyRequestMarshaller();
            var unmarshaller = DetachGroupPolicyResponseUnmarshaller.Instance;

            return InvokeAsync<DetachGroupPolicyRequest,DetachGroupPolicyResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }
        /// <summary>
        /// Removes the specified managed policy from the specified group. 
        /// 
        ///  
        /// <para>
        /// A group can also have inline policies embedded with it. To delete an inline policy,
        /// use the <a>DeleteGroupPolicy</a> API. For information about policies, refer to <a
        /// href="http://docs.aws.amazon.com/IAM/latest/UserGuide/policies-managed-vs-inline.html">Managed
        /// Policies and Inline Policies</a> in the <i>IAM User Guide</i>. 
        /// </para>
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the DetachGroupPolicy service method.</param>
        /// 
        /// <returns>The response from the DetachGroupPolicy 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.LimitExceededException">
        /// The request was rejected because it attempted to create resources beyond the current
        /// AWS account limits. The error message describes the limit exceeded.
        /// </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 DetachGroupPolicyResponse DetachGroupPolicy(DetachGroupPolicyRequest request)
        {
            var marshaller = new DetachGroupPolicyRequestMarshaller();
            var unmarshaller = DetachGroupPolicyResponseUnmarshaller.Instance;

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