code: public void notifyAboutCloudSize(InetAddress ip, int port, InetAddress leaderIp, int leaderPort, int size) {
      notifyAboutCloudSize(ip, port, size);
    }
docs: Tell the embedding software that this H2O instance belongs to
  a cloud of a certain size.
  This may be nonblocking.
  
  Note: this method will be made abstract in a future stable release. User is expected to override the method
  in the implementation.
  
  @param ip IP address this H2O can be reached at.
  @param port Port this H2O can be reached at (for REST API and browser).
  @param leaderIp IP address of the leader H2O node of the cloud.
  @param leaderPort Port of the leader H2O node (for REST API and browser).
  @param size Number of H2O instances in the cloud.