text: public virtual DescribeStaleSecurityGroupsResponse DescribeStaleSecurityGroups(DescribeStaleSecurityGroupsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeStaleSecurityGroupsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeStaleSecurityGroupsResponseUnmarshaller.Instance;return Invoke<DescribeStaleSecurityGroupsResponse>(request, options);}