if (highlightedFields == null) {
            highlightedFields = fessConfig.getQueryAdditionalHighlightedFields( //
                    fessConfig.getIndexFieldContent());
        }
        if (searchFields == null) {
            searchFields = fessConfig.getQueryAdditionalSearchFields(//
                    INURL_FIELD, //
                    fessConfig.getIndexFieldUrl(), //
                    fessConfig.getIndexFieldDocId(), //

            cb.specify().columnHitCount();
            cb.specify().columnVirtualHost();
            cb.specify().columnLanguages();
            cb.specify().columnRoles();
            cb.specify().doColumn("searchField.*");
        }, this::indexFromSearchLog);
    }

    /**
     * Indexes suggest data from a list of search logs.
     *
     * @param searchLogList The list of search logs to index.
     */