code: public ServiceRefAmp createLinkService(String path, PodRef podCaller)
    {
      
      StubLink actorLink;
      
      String address = _scheme + "//" + _serviceRefOut.address() + path;
      
      ServiceRefAmp parentRef = _actorOut.getServiceRef();
      
      if (_queryMapRef != null) {
        //String addressSelf = "/system";
        //ServiceRefAmp systemRef = _manager.getSystemInbox().getServiceRef();
        actorLink = new StubLinkUnidir(_manager, path, parentRef, _queryMapRef, podCaller, _actorOut);
      }
      else {
        actorLink = new StubLink(_manager, path, parentRef, podCaller, _actorOut);
      }
  
      ServiceRefAmp linkRef = _serviceRefOut.pin(actorLink, address);
      
      // ServiceRefClient needed to maintain workers, cloud/0420
      ServiceRefAmp clientRef = new ServiceRefClient(address,
                                                         linkRef.stub(),
                                                         linkRef.inbox());
      
      actorLink.initSelfRef(clientRef);
  
      
      return clientRef;
    }
docs: Return the serviceRef for a foreign path and calling pod.
  
  @param path the service path on the foreign server
  @param podCaller the name of the calling pod.