text: public virtual DescribeInstallationMediaResponse DescribeInstallationMedia(DescribeInstallationMediaRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeInstallationMediaRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeInstallationMediaResponseUnmarshaller.Instance;return Invoke<DescribeInstallationMediaResponse>(request, options);}