createRenderer method
Create the waterfall series renderer.
Implementation
@override
WaterfallSeriesRenderer<T, D> createRenderer() {
WaterfallSeriesRenderer<T, D> seriesRenderer;
if (onCreateRenderer != null) {
seriesRenderer = onCreateRenderer!(this) as WaterfallSeriesRenderer<T, D>;
return seriesRenderer;
}
return WaterfallSeriesRenderer<T, D>();
}