private static List<PsiMethod> newAbstractMethodInSuper(MemberInfoBase<? extends PsiMember>[] infos) {
    List<PsiMethod> result = new ArrayList<>();
    for (MemberInfoBase<? extends PsiMember> info : infos) {
      PsiMember member = info.getMember();
      if (member instanceof PsiMethod) {
        if (info.isToAbstract() || member.hasModifierProperty(PsiModifier.ABSTRACT)) {
          result.add((PsiMethod)member);
        }
      }
    }
    return result;
  }
private static List<PsiMethod> newAbstractMethodInSuper(MemberInfoBase<? extends PsiMember>[] infos)