docs: public int getPersistentVersion()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
      {
        SibTr.entry(tc, "getPersistentVersion");
        SibTr.exit(tc, "getPersistentVersion", new Integer(DEFAULT_PERSISTENT_VERSION));
      }
  
      return DEFAULT_PERSISTENT_VERSION;
    }