populateChartPoints method
      
  
void
populateChartPoints({})
       
    
    
override
    Implementation
@override
void populateChartPoints({
  List<ChartDataPointType>? positions,
  List<List<num>>? yLists,
}) {
  if (yLists == null) {
    yLists = <List<num>>[yValues];
    positions = <ChartDataPointType>[ChartDataPointType.y];
  } else {
    yLists.add(yValues);
    positions!.add(ChartDataPointType.y);
  }
  super.populateChartPoints(positions: positions, yLists: yLists);
}