docs: public Xid[] recover(int flag) throws XAException
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.entry(this, tc, "recover", 
                       AdapterUtil.getXAResourceRecoverFlagString(flag));
  
          // In JCA 1.5, we are required to return an empty list.
  
          Xid[] emptyList = new Xid[] {};
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              Tr.exit(this, tc, "recover", emptyList); 
          return emptyList;
      }