1230     if (!RE->useExternalName(UseExternalNames)) {  in dir_begin()
1724         if (!parseScalarBool(I.getValue(), FS->UseExternalNames))  in parse()
1795     bool UseExternalNames, FileSystem &ExternalFS) {  in create()  argument
1798   FS->UseExternalNames = UseExternalNames;  in create()
1836         UseExternalNames ? RedirectingFileSystem::NK_External  in create()
1936 static Status getRedirectedFileStatus(const Twine &Path, bool UseExternalNames,  in getRedirectedFileStatus()  argument
1939   if (!UseExternalNames)  in getRedirectedFileStatus()
1952     return getRedirectedFileStatus(Path, RE->useExternalName(UseExternalNames),  in status()
2039       Path, RE->useExternalName(UseExternalNames), *ExternalStatus);  in openFileForRead()
2184   void write(ArrayRef<YAMLVFSEntry> Entries, Optional<bool> UseExternalNames,
2241                        Optional<bool> UseExternalNames,  in write()  argument
2252   if (UseExternalNames.hasValue())  in write()
2254        << (UseExternalNames.getValue() ? "true" : "false") << "',\n";  in write()
2333   JSONWriter(OS).write(Mappings, UseExternalNames, IsCaseSensitive,  in write()