public void addWatchdog(WatchdogConfig config) throws ConfigException {
    if (_resin.findClient(config.getId()) != null) {
      throw new ConfigException(
          L.l(
              "<server id='{0}'> is a duplicate server.  servers must have unique ids.",
              config.getId()));
    }

    _resin.addClient(new WatchdogClient(_system, _resin, config));
  }