@Nullable
  static HighlightInfo.Builder createQualifiedEnumConstantInfo(@NotNull PsiReferenceExpression expr) {
    if (PsiUtil.isAvailable(JavaFeature.ENUM_QUALIFIED_NAME_IN_SWITCH, expr)) return null;
    PsiElement qualifier = expr.getQualifier();
    if (qualifier == null) return null;
    HighlightInfo.Builder result = createError(expr, JavaErrorBundle.message("qualified.enum.constant.in.switch"));
    IntentionAction action = getFixFactory().createDeleteFix(qualifier, JavaErrorBundle.message(
      "qualified.enum.constant.in.switch.remove.fix"));
    result.registerFix(action, null, null, null, null);
    return result;
  }
@Nullable
  static HighlightInfo.Builder createQualifiedEnumConstantInfo(@NotNull PsiReferenceExpression expr)