@Override
    public void preprocessVariables(StreamToLoopReplacementContext context, ChainVariable inVar, ChainVariable outVar) {
      String name = myFn.getParameterName(0);
      if (name != null) {
        inVar.addBestNameCandidate(name);
      }
    }
@Override
    public void preprocessVariables(StreamToLoopReplacementContext context, ChainVariable inVar, ChainVariable outVar)