SimpleAutoScrollController constructor
      
      SimpleAutoScrollController({ 
    
    
- double initialScrollOffset = 0.0,
- bool keepScrollOffset = true,
- double? suggestedRowHeight,
- ViewportBoundaryGetter viewportBoundaryGetter = defaultViewportBoundaryGetter,
- required AxisValueGetter beginGetter,
- required AxisValueGetter endGetter,
- AutoScrollController? copyTagsFrom,
- String? debugLabel,
Implementation
SimpleAutoScrollController(
    {super.initialScrollOffset,
    super.keepScrollOffset,
    this.suggestedRowHeight,
    this.viewportBoundaryGetter = defaultViewportBoundaryGetter,
    required this.beginGetter,
    required this.endGetter,
    AutoScrollController? copyTagsFrom,
    super.debugLabel}) {
  if (copyTagsFrom != null) tagMap.addAll(copyTagsFrom.tagMap);
}