static JTextComponent looselyBindLiveValueToTextComponent(IVarWithNotify<S> lv, JTextComponent c) {
  onChange(c, -> lv.set(getText(c)));
  bindToComponent(c, -> {
    S value = lv!;
    if (value != null)
      setText(c, value);
    else
      lv.set(getText(c));
  });
  ret c;
}