setData method
Implementation
@override
void setData(int index, ChartSegment segment) {
super.setData(index, segment);
segment as HiloOpenCloseSegment<T, D>
..series = this
..x = xValues[index]
..high = highValues[index]
..low = lowValues[index]
..open = openValues[index]
..close = closeValues[index]
..isEmpty = isEmpty(index);
}