public int serverDelivery(Object message,Object consumer,int deliveryCount) throws Exception {
  ProtonServerSenderContext protonSender=serverSenders.get(consumer);
  if (protonSender != null) {
    return protonSender.deliverMessage(message,deliveryCount);
  }
  return 0;
}

public int serverDelivery ( Object message , Object consumer , int deliveryCount ) throws Exception { ProtonServerSenderContext protonSender = serverSenders . get ( consumer ) ; if ( protonSender != null ) { return protonSender . deliverMessage ( message , deliveryCount ) ; } return 0 ; }
the consumer object from the broker or the key used to store the sender
