@Override
  protected void update() {
    if (!myHasFindWhatPanel) {
      setOKActionEnabled(true);
    } else {
      boolean hasSelected = isSelected(myCbUsages) ||
                            isSelected(myCbSearchForBase) ||
                            isSelected(myCbImplementingMethods) ||
                            isSelected(myCbOverridingMethods) ||
                            isSelected(myCbImplicitToString);
      setOKActionEnabled(hasSelected);
    }
  }
@Override
  protected void update()