private void repaintComboBox() {
    // TODO:
    if (StartupUiUtil.isUnderDarcula() || UIUtil.isUnderIntelliJLaF()) {
      IdeFocusManager.getInstance(getProject()).doWhenFocusSettlesDown(() -> {
        JComboBox comboBox = ComponentUtil.getParentOfType((Class<? extends JComboBox>)JComboBox.class, (Component)this);
        if (comboBox != null) {
          comboBox.repaint();
        }
      });
    }
  }
private void repaintComboBox()