anchor.diff:    final FlTitlesData titlesData;
     final ExtraLinesData extraLinesData;
     final LineTouchData lineTouchData;
  +  final RangeAnnotations rangeAnnotations;
     final List<MapEntry<int, List<LineBarSpot>>> showingTooltipIndicators;
   
     LineChartData({
  
positive.code:     this.betweenBarsData = const [],
      this.titlesData = const FlTitlesData(),
      this.extraLinesData = const ExtraLinesData(),
      this.lineTouchData = const LineTouchData(),
      this.showingTooltipIndicators = const[],
      FlGridData gridData = const FlGridData(),
  
negative.code:       titlesData: titlesData ?? this.titlesData,
        axisTitleData: axisTitleData ?? this.axisTitleData,
        extraLinesData: extraLinesData ?? this.extraLinesData,
        rangeAnnotations: rangeAnnotations ?? this.rangeAnnotations,
        lineTouchData: lineTouchData ?? this.lineTouchData,
        showingTooltipIndicators: showingTooltipIndicators ?? this.showingTooltipIndicators,
        gridData: gridData ?? this.gridData,
  