@Override
    public void onInitialize(RefElement refElement) {
      if (!(refElement instanceof RefMethod refMethod) || refMethod.isConstructor()) return;
      final UMethod method = refMethod.getUastElement();
      if (!PsiTypes.booleanType().equals(method.getReturnType())) return;
      refElement.putUserData(ALWAYS_INVERTED, Boolean.TRUE); //initial mark boolean methods
    }
@Override
    public void onInitialize(RefElement refElement)