text: public virtual DescribeRulesPackagesResponse DescribeRulesPackages(DescribeRulesPackagesRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeRulesPackagesRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeRulesPackagesResponseUnmarshaller.Instance;return Invoke<DescribeRulesPackagesResponse>(request, options);}