anchor.diff:        isStrokeCapRound: isStrokeCapRound ?? this.isStrokeCapRound,
         belowBarData: belowBarData ?? this.belowBarData,
         aboveBarData: aboveBarData ?? this.aboveBarData,
  +      dashArray: dashArray ?? this.dashArray,
         dotData: dotData ?? this.dotData,
         showingIndicators: showingIndicators ?? this.showingIndicators,
       );
  
positive.code: import 'package:fl_chart/src/chart/line_chart/line_chart.dart';
  import 'package:fl_chart/src/utils/lerp.dart';
  import 'package:flutter/material.dart';
  
  /// This class holds data to draw the line chart
  /// List [LineChartBarData] the data to draw the bar lines independently,
  
negative.code:     BarAreaData belowBarData,
      BarAreaData aboveBarData,
      FlDotData dotData,
      CircularIntervalList dashArray,
      List<int> showingIndicators,
    }) {
      return LineChartBarData(
  