@Override
  public void visitReferenceExpression(@NotNull GrReferenceExpression referenceExpression) {
    super.visitReferenceExpression(referenceExpression);
    if (PsiUtil.isSuperReference(referenceExpression)) {
      myContainsSupers = true;
    }
  }
@Override
  public void visitReferenceExpression(@NotNull GrReferenceExpression referenceExpression)