}

    default String getNotificationSearchTop() {
        return getSystemProperty(Constants.NOTIFICATION_SEARCH_TOP, StringUtil.EMPTY);
    }

    default String getUserAgentName() {
        return getSystemProperty(Constants.CRAWLING_USER_AGENT_PROPERTY, Constants.CRAWLING_USER_AGENT_PREFIX
                + ComponentUtil.getSystemHelper().getProductVersion() + Constants.CRAWLING_USER_AGENT_SUFFIX);