private static boolean allSuperMethodsSelectedToDelete(List<PsiElement> unselectedMethods, PsiMethod method) {
    ArrayList<PsiMethod> superMethods = new ArrayList<>(Arrays.asList(method.findSuperMethods()));
    superMethods.retainAll(unselectedMethods);
    return superMethods.isEmpty();
  }
private static boolean allSuperMethodsSelectedToDelete(List<PsiElement> unselectedMethods, PsiMethod method)