@Override
  public String toString() {
    return "Locator on " + getSocketAddress() + ":" + getPort();
  }
Services is a class internal to the membership module. As such, the ability to setServices
is available ony within the module. It's not part of the external API.
geode-membership/src/main/java/org/apache/geode/distributed/internal/membership/gms/locator/MembershipLocatorImpl.java