if (ignore == null) {
            if (fessConfig.isCrawlerIgnoreRobotsTags()) {
                return;
            }
        } else if (Boolean.parseBoolean(ignore)) {
            return;
        }

        // meta tag
        try {
            final Node value = getXPathAPI().selectSingleNode(document, META_NAME_ROBOTS_CONTENT);
            if (value != null) {

    }

    String getQueryReplaceTermWithPrefixQuery();

    default boolean getQueryReplaceTermWithPrefixQueryAsBoolean() {
        return Boolean.parseBoolean(getQueryReplaceTermWithPrefixQuery());
    }

    String getQueryDefaultLanguages();

    String getQueryLanguageMapping();

    default Map<String, String> getQueryLanguageMappingMap() {