docs: public void addUnrestoredMsgId(long msgId)
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "addUnrestoredMsgId", new Long(msgId));
  
      unrestoredMsgIds.add(new Long(msgId));
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "addUnrestoredMsgId");
    }