anchor.diff:        show: show ?? this.show,
         radius: radius ?? this.radius,
         color: color ?? this.color,
  +      label: label,
       );
     }
   
  
positive.code:         show,
          radius,
          color,
        ];
  }
  
  
negative.code:     bool? show,
      double? radius,
      Color? color,
      String? label,
    }) {
      return ScatterSpot(
        x ?? this.x,
  