Object obj = getOption(IP_TTL);  if (! (obj instanceof Integer)) throw new IOException("Internal Error");  return ((Integer) obj).intValue();
return impl.getTimeToLive();
  protected synchronized int getTimeToLive() throws IOException  {    Object obj = getOption(IP_TTL);    if (! (obj instanceof Integer))      throw new IOException("Internal Error");    return ((Integer) obj).intValue();  }