docs: public ExternalAutoCommitTransaction createAutoCommitTransaction()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(tc, "createAutoCommitTransaction");
  
          ExternalAutoCommitTransaction instance = new MSAutoCommitTransaction(_ms, _persistence, getMaximumTransactionSize());
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(tc, "createAutoCommitTransaction", "return="+instance);
          return instance;
      }