class FsHandle implements Closeable {

	public boolean down(String directory) {
		if (directory == null)
			throw new IllegalArgumentException();

		Path potential = ref.resolve(directory);
		if (Files.isDirectory(potential) && Files.exists(potential)) {
			movePath(potential);
			return true;
		}
		return false;
	}

	public  FsHandle();
	public  FsHandle(String start);
	public  FsHandle(String start, FsHandleOptions options);
	public  FsHandle(FileSystem fs, String start, FsHandleOptions options);

}