22 struct RefMaps {  struct
23   FileMap Files;
24   DirMap Dirs;
26   SmallVector<std::unique_ptr<FileEntry>, 5> FEs;
27   SmallVector<std::unique_ptr<DirectoryEntry>, 5> DEs;
28   DirectoryEntryRef DR;
30   RefMaps() : DR(addDirectory("dir")) {}  in RefMaps()  function
32   DirectoryEntryRef addDirectory(StringRef Name) {  in addDirectory()
36   DirectoryEntryRef addDirectoryAlias(StringRef Name, DirectoryEntryRef Base) {  in addDirectoryAlias()
42   FileEntryRef addFile(StringRef Name) {  in addFile()
48   FileEntryRef addFileAlias(StringRef Name, FileEntryRef Base) {  in addFileAlias()