docs: private final void addToMessage(SubscriptionMessageHandler messageHandler, 
                                    Hashtable subscriptions)  
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) 
        SibTr.entry(tc, "addToMessage", 
          new Object[]{messageHandler, subscriptions});
      // Get the enumeration of the subscriptions.
      Enumeration enu = subscriptions.elements();
  
      while (enu.hasMoreElements())
      {
        final MESubscription subscription = (MESubscription) enu.nextElement();
  
        // Add this subscription into the message.
        messageHandler.addSubscriptionToMessage(subscription, isLocalBus);
  
      }
      
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(tc, "addToMessage");
    }