} catch (NoSuchElementException success) {
      }
    } catch (InterruptedException ie) {
      threadUnexpectedException(ie);
    }
  }

  @SuppressWarnings("unchecked")
  <T> T serialClone(T o) {
    try {
      ByteArrayOutputStream bos = new ByteArrayOutputStream();
      ObjectOutputStream oos = new ObjectOutputStream(bos);
      oos.writeObject(o);
      oos.flush();
      oos.close();