anchor.diff:              badgePositionPercentageOffset: .98,
             );
           default:
  -          return null;
  +          throw 'Oh no';
         }
       });
     }
  
positive.code: }
  
  class PieChartSample3State extends State {
    int touchedIndex;
  
    @override
    Widget build(BuildContext context) {
  
negative.code: 
    const _Badge(
      this.svgAsset, {
      Key? key,
      required this.size,
      required this.borderColor,
    }) : super(key: key);
  
    @override
  