docs: public synchronized int getNonDurableSubscriptions()
    {
      if (tc.isEntryEnabled())
        SibTr.entry(tc, "getNonDurableSubscriptions");
  
      if (tc.isEntryEnabled())
        SibTr.exit(
          tc,
          "getNonDurableSubscriptions",
          new Integer(nonDurableSubscriptions));
  
      return nonDurableSubscriptions;
    }