@Override
  public void visitRegExpClosure(RegExpClosure closure) {
    if (closure.getAtom() instanceof RegExpSetOptions) {
      final RegExpQuantifier quantifier = closure.getQuantifier();
      myHolder.newAnnotation(HighlightSeverity.ERROR, RegExpBundle.message("error.dangling.metacharacter", quantifier.getUnescapedText()))
        .range(quantifier)
        .create();
    }
  }
@Override
  public void visitRegExpClosure(RegExpClosure closure)