.collect(Collectors.toList());
        }

        final List<Map<String, String>> itemList = new ArrayList<>();
        final Set<String> roleSet = ComponentUtil.getRoleQueryHelper().build(searchRequestType);
        if (roleSet.isEmpty()) {
            for (final LabelTypeItem item : labelList) {
                if (item.getPermissions().length == 0) {

        final String[] baseTags = tags != null ? tags : fessConfig.getSuggestPopularWordTagsAsArray();
        final String[] baseRoles = roles != null ? roles
                : ComponentUtil.getRoleQueryHelper()
                        .build(searchRequestType)
                        .stream()
                        .filter(StringUtil::isNotBlank)
                        .toArray(n -> new String[n]);

            final BoolQueryBuilder boolQuery =
                    QueryBuilders.boolQuery().must(QueryBuilders.termQuery(fessConfig.getIndexFieldDocId(), docId));
            final Set<String> roleSet = ComponentUtil.getRoleQueryHelper().build(SearchRequestType.JSON); // TODO SearchRequestType?
            final QueryHelper queryHelper = ComponentUtil.getQueryHelper();
            if (!roleSet.isEmpty()) {

            logger.warn("[{}] The search log queue size is too large. Skipped the search log: {}", queryId, query);
            return;
        }

        final RoleQueryHelper roleQueryHelper = ComponentUtil.getRoleQueryHelper();
        final UserInfoHelper userInfoHelper = ComponentUtil.getUserInfoHelper();
        final SearchLog searchLog = new SearchLog();

        if (fessConfig.isUserInfo()) {

            writeJsonResponse(HttpServletResponse.SC_BAD_REQUEST, escapeJsonKeyValue(MESSAGE_FIELD, "Referer is invalid."));
            return;
        }

        final RoleQueryHelper roleQueryHelper = ComponentUtil.getRoleQueryHelper();
        final SearchHelper searchHelper = ComponentUtil.getSearchHelper();

        final StringBuilder buf = new StringBuilder(255);
        try {