text: public virtual DescribeFlowDefinitionResponse DescribeFlowDefinition(DescribeFlowDefinitionRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeFlowDefinitionRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeFlowDefinitionResponseUnmarshaller.Instance;return Invoke<DescribeFlowDefinitionResponse>(request, options);}