public RecoverableZooKeeper getRecoverableZooKeeper() {
        return recoverableZooKeeper;
    }
Get the connection to ZooKeeper.

@return connection reference to zookeeper
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/common/zookeeper/ZooKeeperWatcher.java