code: public static ZooKeeperUpdatingListener of(String zkConnectionStr, String zNodePath) {
          return new ZooKeeperUpdatingListenerBuilder(zkConnectionStr, zNodePath).build();
      }
docs: Creates a ZooKeeper server listener, which registers server into ZooKeeper.
  
  <p>If you need a fully customized {@link ZooKeeperUpdatingListener} instance, use
  {@link ZooKeeperUpdatingListenerBuilder} instead.
  
  @param zkConnectionStr ZooKeeper connection string
  @param zNodePath       ZooKeeper node path(under which this server will be registered)