anchor.diff:      Color color = Colors.black,
       double strokeWidth = 2,
       List<int> dashArray,
  +    this.image,
  +    this.sizedPicture,
     }) : super(color: color, strokeWidth: strokeWidth, dashArray: dashArray);
   
     static HorizontalLine lerp(HorizontalLine a, HorizontalLine b, double t) {
  
positive.code:     Color color = Colors.black,
      double strokeWidth = 2,
      List<int> dashArray,
    }) : super(color: color, strokeWidth: strokeWidth, dashArray: dashArray);
  
    static VerticalLine lerp(VerticalLine a, VerticalLine b, double t) {
  
negative.code: import 'package:fl_chart/src/chart/base/base_chart/touch_input.dart';
  import 'package:fl_chart/src/chart/line_chart/line_chart.dart';
  import 'package:fl_chart/src/utils/lerp.dart';
  import 'package:flutter/material.dart' hide Image;
  
  /// This class holds data to draw the line chart
  /// List [LineChartBarData] the data to draw the bar lines independently,
  