internal DescribeChapCredentialsResponse DescribeChapCredentials(DescribeChapCredentialsRequest request) { var marshaller = new DescribeChapCredentialsRequestMarshaller(); var unmarshaller = DescribeChapCredentialsResponseUnmarshaller.Instance; return Invoke<DescribeChapCredentialsRequest,DescribeChapCredentialsResponse>(request, marshaller, unmarshaller); }