+
+namespace support = lyx::support;
+
+using support::ChangeExtension;
+using support::FileMonitor;
+using support::IsFileReadable;
+using support::MakeDisplayPath;
+using support::OnlyFilename;
+using support::getExtFromContents;
+using support::tempName;
+using support::unlink;
+using support::unzipFile;
+using support::unzippedFileName;
+using support::zippedFile;