public static ZooKeeperUpdatingListenerBuilder builder(
            CuratorFramework client, String znodePath, ZooKeeperRegistrationSpec spec) {
        return new ZooKeeperUpdatingListenerBuilder(client, znodePath, spec);
    }
Returns a {@link ZooKeeperUpdatingListenerBuilder} with a {@link CuratorFramework} instance and a znode
path.

@param client the curator framework instance
@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