text: public virtual DescribeNodeConfigurationOptionsResponse DescribeNodeConfigurationOptions(DescribeNodeConfigurationOptionsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeNodeConfigurationOptionsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeNodeConfigurationOptionsResponseUnmarshaller.Instance;return Invoke<DescribeNodeConfigurationOptionsResponse>(request, options);}