}};
FileSystem fs = PROVIDER.newFileSystem( newRepo, env );
WatchService ws = null;
ws = fs.newWatchService();
final Path path = fs.getRootDirectories().iterator().next();
path.register( ws, StandardWatchEventKind.ENTRY_CREATE, StandardWatchEventKind.ENTRY_MODIFY, StandardWatchEventKind.ENTRY_DELETE, StandardWatchEventKind.ENTRY_RENAME );
final WatchKey k = ws.take();