text: public virtual DescribeLaunchTemplateVersionsResponse DescribeLaunchTemplateVersions(DescribeLaunchTemplateVersionsRequest request){var options = new InvokeOptions();options.RequestMarshaller = DescribeLaunchTemplateVersionsRequestMarshaller.Instance;options.ResponseUnmarshaller = DescribeLaunchTemplateVersionsResponseUnmarshaller.Instance;return Invoke<DescribeLaunchTemplateVersionsResponse>(request, options);}