docs: public void conversationDroppedNotification()
     {
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "conversationDroppedNotification");
        LinkedList<ProxyQueue> notifyList = null;
        synchronized(this)
        {
           // Make a copy of the map's values to avoid a concurrent modification
           // exception later.
           notifyList = new LinkedList<ProxyQueue>();
           notifyList.addAll(idToProxyQueueMap.values());
        }
  
        Iterator iterator = notifyList.iterator();
        while(iterator.hasNext())
        {
           ProxyQueue queue = (ProxyQueue)iterator.next();
           queue.conversationDroppedNotification();
        }
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "conversationDroppedNotification");
     }