code: public void handleQueueMemberRemovedEvent(QueueMemberRemovedEvent event)
      {
          final AsteriskQueueImpl queue = getInternalQueueByName(event.getQueue());
          if (queue == null)
          {
              logger.error("Ignored QueueMemberRemovedEvent for unknown queue " + event.getQueue());
              return;
          }
  
          final AsteriskQueueMemberImpl member = queue.getMember(event.getLocation());
          if (member == null)
          {
              logger.error("Ignored QueueMemberRemovedEvent for unknown agent name: " + event.getMemberName() + " location: "
                      + event.getLocation() + " queue: " + event.getQueue());
              return;
          }
  
          queue.removeMember(member);
      }
docs: Challange a QueueMemberRemovedEvent.
  
  @param event - the generated QueueMemberRemovedEvent.