public virtual DescribeDBClustersResponse DescribeDBClusters(DescribeDBClustersRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeDBClustersRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeDBClustersResponseUnmarshaller.Instance;return Invoke<DescribeDBClustersResponse>(request, options);}