anchor.diff:      clearAroundBorderPaint,
       extraLinesPaint,
       touchLinePaint,
  +    rangeAnnotationPaint,
       bgTouchTooltipPaint;
   
     LineChartPainter(
  
positive.code:     }
    }
  
    void drawTouchTooltip(Canvas canvas, Size viewSize, LineTouchTooltipData tooltipData,
      FlSpot showOnSpot, MapEntry<int, List<LineBarSpot>> showingTooltipSpots) {
  
  
negative.code:         continue;
        }
  
        drawRangeAnnotation(canvas, size);
        drawExtraLines(canvas, size);
        drawBarLine(canvas, size, barData);
        drawDots(canvas, size, barData);
        drawTouchedSpotsIndicator(canvas, size, barData);
  