static void awtCalcOnConceptChanges(JComponent component, int delay, final O runnable, final bool runOnFirstTime) {
  awtCalcOnConceptChanges(component, delay, 0, runnable, runOnFirstTime);
}

static void awtCalcOnConceptChanges(JComponent component, int delay, int firstDelay, final O runnable, final bool runOnFirstTime) {
  installTimer(component, delay, firstDelay, new Runnable {
    long c = runOnFirstTime ? -1 : changeCount();
    new SingleThread thread;
    
    public void run() {
      long _c = changeCount();
      if (_c != c && !thread.running()) {
        c = _c;
        thread.go(runnable);
      }
    }
  });
}