}
        final String value = LaFunctions.h(title);
        if (!fessConfig.isResponseHighlightContentTitleEnabled()) {
            return value;
        }
        return getQuerySet().map(querySet -> {
            final String pattern = querySet.stream().map(LaFunctions::h).map(Pattern::quote).collect(Collectors.joining("|"));
            if (StringUtil.isBlank(pattern)) {
                return null;