private void highlightBrackets(@NotNull PsiElement problemElement, PsiElement anchor) {
      PsiElement start = null;
      PsiElement end = null;
      while (anchor != null) {
        if (anchor instanceof PsiAnnotation) {
          if (start == null) start = anchor;
        }
        else if (PsiUtil.isJavaToken(anchor, HighlightUtil.BRACKET_TOKENS)) {
          if (start == null) start = anchor;
          end = anchor;
        }
        anchor = anchor.getNextSibling();
      }
      if (start != null && end != null) registerErrorAtRange(start, end, problemElement);
    }
private void highlightBrackets(@NotNull PsiElement problemElement, PsiElement anchor)