private static boolean hasPackagePrivateModifier(@NotNull PsiModifierList modifierList) {
    return !(modifierList.hasExplicitModifier(PsiModifier.PUBLIC) || modifierList.hasExplicitModifier(PsiModifier.PRIVATE) ||
      modifierList.hasExplicitModifier(PsiModifier.PROTECTED));
  }
private static boolean hasPackagePrivateModifier(@NotNull PsiModifierList modifierList)