class FsHandle implements Closeable {

	public void addUpdateCallback(Consumer<EV_FileListing> callback) {
		if (callback == null)
			throw new IllegalArgumentException();

		callbacks.add(callback);
	}

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

}