please include function titleStatus.

static void titleStatus2(Component c, S status) {
  JFrame f = getFrame(c);
  if (f == null) ret;
  S sep = " - ";
  S s = titleStatus_map.get(f);
  if (s != null) s = empty(status) ? s : status + sep + s;
  else s = replaceLeader2(status, sep, getFrameTitle(f));
  setFrameTitle(f, s);
}