text: public virtual DescribeActiveReceiptRuleSetResponse DescribeActiveReceiptRuleSet(DescribeActiveReceiptRuleSetRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeActiveReceiptRuleSetRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeActiveReceiptRuleSetResponseUnmarshaller.Instance;return Invoke<DescribeActiveReceiptRuleSetResponse>(request, options);}