OpenAttribute
AttributeFile::OpenAttribute(const char *name, int openMode,
Node::OpenAttribute(const StringKey& name, int openMode,
UnpackingDirectory::OpenAttribute(const StringKey& name, int openMode,
UnpackingLeafNode::OpenAttribute(const StringKey& name, int openMode,
PackageLinkDirectory::OpenAttribute(const StringKey& name, int openMode,
PackageLinkSymlink::OpenAttribute(const StringKey& name, int openMode,