text: public virtual DescribeRouteTablesResponse DescribeRouteTables(DescribeRouteTablesRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeRouteTablesRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeRouteTablesResponseUnmarshaller.Instance;return Invoke<DescribeRouteTablesResponse>(request, options);}