class ConcreteUnicastAddressIp implements UnicastAddressIp {

  @Override
  public boolean equals(@Nullable Object obj) {
    if (this == obj) {
      return true;
    }
    if (!(obj instanceof ConcreteUnicastAddressIp)) {
      return false;
    }
    return _ip.equals(((ConcreteUnicastAddressIp) obj)._ip);
  }

  public  ConcreteUnicastAddressIp(Ip ip);

}