code: public void restorePersistentDestinationData(HashMap hm) 
      throws Exception
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(
          tc, "restorePersistentDestinationData", new Object[] { hm }); //, new Integer(dataVersion)
  
  
      messagingEngineUuid = new SIBUuid8((byte[])hm.get("messagingEngineUuid"));
      toBeDeleted = (Boolean) hm.get("toBeDeleted");
      
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "restorePersistentDestinationData");
    }
docs: <p>Restore the persistent data for the itemstream.</p>