public static ZooKeeperUpdatingListenerBuilder builder(
            String zkConnectionStr, String znodePath, ZooKeeperRegistrationSpec spec) {
        return new ZooKeeperUpdatingListenerBuilder(zkConnectionStr, znodePath, spec);
    }
Returns a {@link ZooKeeperUpdatingListenerBuilder} with a ZooKeeper connection string and a znode path.

@param zkConnectionStr the ZooKeeper connection string
@param znodePath the ZooKeeper node to register
@param spec the {@link ZooKeeperRegistrationSpec} to encode and register the {@link Server}
zookeeper3/src/main/java/com/linecorp/armeria/server/zookeeper/ZooKeeperUpdatingListener.java