docs: def stop(self):
          """
          Stop services and requestors and then connection.
          :return: self
          """
          LOGGER.debug("rabbitmq.Driver.stop")
          for requester in self.requester_registry:
              requester.stop()
          self.requester_registry.clear()
  
          for service in self.services_registry:
              if service.is_started:
                  service.stop()
          self.services_registry.clear()
  
          pykka.ActorRegistry.stop_all()
  
          return self