docs: public Collection clearUnrestoredMessages()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "clearUnrestoredMessages");
  
      Collection returnCollection = unrestoredMsgIds;
      // bug fix
      unrestoredMsgIds = new ArrayList();
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "clearUnrestoredMessages", returnCollection);
      return  returnCollection;
    }