@Nullable
  private ProblemDescriptor[] checkMember(
      final PsiDocCommentOwner docCommentOwner,
      final InspectionManager manager,
      final boolean isOnTheFly) {
    final ArrayList<ProblemDescriptor> problems = new ArrayList<ProblemDescriptor>();
    final PsiDocComment docComment = docCommentOwner.getDocComment();
    if (docComment == null) return null;

    final Set<PsiJavaCodeReferenceElement> references = new HashSet<PsiJavaCodeReferenceElement>();
    docComment.accept(getVisitor(references, docCommentOwner, problems, manager, isOnTheFly));
    for (PsiJavaCodeReferenceElement reference : references) {
      final List<PsiClass> classesToImport = new ImportClassFix(reference).getClassesToImport();
      final PsiElement referenceNameElement = reference.getReferenceNameElement();
      problems.add(
          manager.createProblemDescriptor(
              referenceNameElement != null ? referenceNameElement : reference,
              cannotResolveSymbolMessage("<code>" + reference.getText() + "</code>"),
              !isOnTheFly || classesToImport.isEmpty() ? null : new AddImportFix(classesToImport),
              ProblemHighlightType.LIKE_UNKNOWN_SYMBOL,
              isOnTheFly));
    }

    return problems.isEmpty() ? null : problems.toArray(new ProblemDescriptor[problems.size()]);
  }