private void createVariable(StreamToLoopReplacementContext context, String item) {
      myMapper.transform(context, item);
      myVariable = new ChainVariable(myMapper.getResultType());
      myDownstream.preprocessVariables(context, myVariable, ChainVariable.STUB);
      myMapper.suggestOutputNames(context, myVariable);
      myVariable.register(context);
    }
private void createVariable(StreamToLoopReplacementContext context, String item)