static <A extends JTextComponent> A bindTextComponentToLiveValue_bothWays(A tc, SimpleLiveValue<S> lv) {
  ret bindTextComponentToLiveValue_bothWays(tc, (IVarWithNotify<S>) lv);
}

static <A extends JTextComponent> A bindTextComponentToLiveValue_bothWays(A tc, IVarWithNotify<S> lv) {
  bindLiveValueListenerToComponent(tc, lv, r { setTextKeepCaret(tc, lv!) });
  onChange(tc, r { lv.set(getText(tc)) });
  ret tc;
}