public static String joinZNode(String prefix, String suffix) {
        return prefix + ZNODE_PATH_SEPARATOR + suffix;
    }
Join the prefix zkNode name with the suffix zkNode name to generate a proper full zkNode name.
<p/>
Assumes prefix does not end with slash and suffix does not begin with it.

@param prefix beginning of zkNode name
@param suffix ending of zkNode name
@return result of properly joining prefix with suffix
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/common/zookeeper/ZKUtil.java