public Tuple4<Long, Integer, String, List<String>> getBrokerSyncData() {
        if (isConfSynchronized()) {
            return new Tuple4<>(syncDownDataConfId.get(), syncDownDataChkSumId, null, null);
        } else {
            List<String> topicInfoList = new ArrayList<>();
            for (String topicInfo : syncDownTopicConfInfoMap.values()) {
                if (topicInfo != null) {
                    topicInfoList.add(topicInfo);
                }
            }
            return new Tuple4<>(syncDownDataConfId.get(), syncDownDataChkSumId,
                    syncDownBrokerConfInfo, topicInfoList);
        }
    }
Get need sync to broker's data

@return return data container,
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/master/nodemanage/nodebroker/BrokerSyncData.java