text: public virtual DescribeReceiptRuleResponse DescribeReceiptRule(DescribeReceiptRuleRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeReceiptRuleRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeReceiptRuleResponseUnmarshaller.Instance;return Invoke<DescribeReceiptRuleResponse>(request, options);}