DataInputStream in = new DataInputStream(bi);
VersionedDataInputStream in = new VersionedDataInputStream(bi);
	private void checkSerialization(String string) throws IOException {		Pointcut p = makePointcut(string);		ByteArrayOutputStream bo = new ByteArrayOutputStream();		DataOutputStream out = new DataOutputStream(bo);		p.write(out);		out.close();				ByteArrayInputStream bi = new ByteArrayInputStream(bo.toByteArray());		DataInputStream in = new DataInputStream(bi);		Pointcut newP = Pointcut.read(in, null);				assertEquals("write/read", p, newP);		}