@Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    Notice that = (Notice) o;

    if (notifier != null ? !notifier.equals(that.notifier) : that.notifier != null) return false;
    if (server != null ? !server.equals(that.server) : that.server != null) return false;
    if (details != null ? !details.equals(that.details) : that.details != null) return false;
    if (request != null ? !request.equals(that.request) : that.request != null) return false;
    return !(error != null ? !error.equals(that.error) : that.error != null);
  }