code: private void handleNewStreamID(MessageItem msgItem) throws SIResourceException
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "handleNewStreamID", new Object[] { msgItem });
  
      JsMessage jsMsg = msgItem.getMessage();
  
      handleNewStreamID(jsMsg, msgItem);
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "handleNewStreamID");
    }
docs: Handle a new stream ID from a Message Item (a value message)
  
  @param msgItem