private static FixData prepareDataForFix(@NotNull ModPsiUpdater updater, PsiElement element) {
      final PsiElement parent = element.getParent();
      final PsiElement grandParent = parent.getParent();
      if (!(grandParent instanceof PsiMember member)) return null;
      final PsiModifierList modifierList = member.getModifierList();
      if (modifierList == null) return null;
      boolean canBePrivate = canBePrivate(member, modifierList);
      return new FixData(canBePrivate, updater.getWritable(modifierList));
    }
private static FixData prepareDataForFix(@NotNull ModPsiUpdater updater, PsiElement element)