成员的完整列表，这些成员属于 vlink::BagReaderPluginInterface::VersionInfo,包括所有继承而来的类成员

commit_id	vlink::BagReaderPluginInterface::VersionInfo
name	vlink::BagReaderPluginInterface::VersionInfo
tag	vlink::BagReaderPluginInterface::VersionInfo
timestamp	vlink::BagReaderPluginInterface::VersionInfo
version	vlink::BagReaderPluginInterface::VersionInfo