@Override
      public void visitReferenceExpression(@NotNull GrReferenceExpression referenceExpression) {
        super.visitReferenceExpression(referenceExpression);
        HighlightInfo info = accessibilityChecker.checkReferenceExpression(referenceExpression);
        if (info != null) {
          registerProblem(holder, info, referenceExpression);
        }
      }
@Override
      public void visitReferenceExpression(@NotNull GrReferenceExpression referenceExpression)