protected ServerProducerEndpoint putProducerDelegate(String producerID, ServerProducerEndpoint d)
protected ServerProducerEndpoint putProducerDelegate(int producerID, ServerProducerEndpoint d)
   protected ServerProducerEndpoint putProducerDelegate(String producerID, ServerProducerEndpoint d)   {      return (ServerProducerEndpoint)producers.put(producerID, d);   }