/// <summary>
        /// Initiates the asynchronous execution of the ModifyClusterIamRoles operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ModifyClusterIamRoles 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<ModifyClusterIamRolesResponse> ModifyClusterIamRolesAsync(ModifyClusterIamRolesRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller = new ModifyClusterIamRolesRequestMarshaller();
            var unmarshaller = ModifyClusterIamRolesResponseUnmarshaller.Instance;

            return InvokeAsync<ModifyClusterIamRolesRequest,ModifyClusterIamRolesResponse>(request, marshaller, 
                unmarshaller, cancellationToken);
        }
        public void ModifyClusterIamRolesMarshallTest()
        {
            var operation = service_model.FindOperation("ModifyClusterIamRoles");

            var request = InstantiateClassGenerator.Execute<ModifyClusterIamRolesRequest>();
            var marshaller = new ModifyClusterIamRolesRequestMarshaller();
            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 = ModifyClusterIamRolesResponseUnmarshaller.Instance.Unmarshall(context)
                as ModifyClusterIamRolesResponse;   
            InstantiateClassGenerator.ValidateObjectFullyInstantiated(response);       
        }
        /// <summary>
        /// Modifies the list of AWS Identity and Access Management (IAM) roles that can be used
        /// by the cluster to access other AWS services.
        /// 
        ///  
        /// <para>
        /// A cluster can have up to 10 IAM roles associated at any time.
        /// </para>
        /// </summary>
        /// <param name="request">Container for the necessary parameters to execute the ModifyClusterIamRoles service method.</param>
        /// 
        /// <returns>The response from the ModifyClusterIamRoles service method, as returned by Redshift.</returns>
        /// <exception cref="Amazon.Redshift.Model.ClusterNotFoundException">
        /// The <code>ClusterIdentifier</code> parameter does not refer to an existing cluster.
        /// </exception>
        /// <exception cref="Amazon.Redshift.Model.InvalidClusterStateException">
        /// The specified cluster is not in the <code>available</code> state.
        /// </exception>
        public ModifyClusterIamRolesResponse ModifyClusterIamRoles(ModifyClusterIamRolesRequest request)
        {
            var marshaller = new ModifyClusterIamRolesRequestMarshaller();
            var unmarshaller = ModifyClusterIamRolesResponseUnmarshaller.Instance;

            return Invoke<ModifyClusterIamRolesRequest,ModifyClusterIamRolesResponse>(request, marshaller, unmarshaller);
        }
        /// <summary>
        /// Initiates the asynchronous execution of the ModifyClusterIamRoles operation.
        /// </summary>
        /// 
        /// <param name="request">Container for the necessary parameters to execute the ModifyClusterIamRoles operation on AmazonRedshiftClient.</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 EndModifyClusterIamRoles
        ///         operation.</returns>
        public IAsyncResult BeginModifyClusterIamRoles(ModifyClusterIamRolesRequest request, AsyncCallback callback, object state)
        {
            var marshaller = new ModifyClusterIamRolesRequestMarshaller();
            var unmarshaller = ModifyClusterIamRolesResponseUnmarshaller.Instance;

            return BeginInvoke<ModifyClusterIamRolesRequest>(request, marshaller, unmarshaller,
                callback, state);
        }