static JSlider jLiveValueSlider_bothWays(final SimpleLiveValue<Float> lv) {
  new AtomicInt changing;
  JSlider slider = liveSliderZeroToOne(lv!, voidfunc(float f) {
    if (changing! == 0)
      lv.set(f);
  });
  bindLiveValueListenerToComponent(slider, lv, r {
    temp tempIncAtomicInt(changing);
    setRelativeSliderValue(slider, lv!);
  });
  ret slider;
}