anchor.diff:  class CurveId {
     tz.Location tzLocation;
     String _name;
  +  String _curve;
     Map<String,dynamic> _components;
   
     /// Create a curveId from components.  The resulting curveId is available in
  
positive.code:         'market': Market.da,
          'lmpComponent': LmpComponent.lmp,
        };
      } else if (name == 'isone_energy_4004_da_lmp') {
        _components = {
          'iso': IsoNewEngland(),
  
negative.code:         'market': Market.da,
          'lmpComponent': LmpComponent.lmp,
        };
        _curve = 'CT_DA_LMP';
      }
    }
  
  