CupertinoScrollbarModifier constructor
      const
      CupertinoScrollbarModifier({ 
    
- Key? key,
- Widget? child,
- ScrollController? controller,
- ScrollNotificationPredicate notificationPredicate = defaultScrollNotificationPredicate,
- double thickness = CupertinoScrollbar.defaultThickness,
- double thicknessWhileDragging = CupertinoScrollbar.defaultThicknessWhileDragging,
- Radius radius = CupertinoScrollbar.defaultRadius,
- Radius radiusWhileDragging = CupertinoScrollbar.defaultRadiusWhileDragging,
- ScrollbarOrientation? scrollbarOrientation,
- @Deprecated('Use thumbVisibility instead. ' 'This feature was deprecated after v2.9.0-1.0.pre.') bool? isAlwaysShown,
Creates an iOS style scrollbar that wraps the given child.
The child should be a source of ScrollNotification notifications,
typically a Scrollable widget.
Implementation
const CupertinoScrollbarModifier({
  super.key,
  super.child,
  super.controller,
  super.notificationPredicate,
  double super.thickness = CupertinoScrollbar.defaultThickness,
  this.thicknessWhileDragging = CupertinoScrollbar.defaultThicknessWhileDragging,
  Radius super.radius = CupertinoScrollbar.defaultRadius,
  this.radiusWhileDragging = CupertinoScrollbar.defaultRadiusWhileDragging,
  super.scrollbarOrientation,
  @Deprecated(
    'Use thumbVisibility instead. '
    'This feature was deprecated after v2.9.0-1.0.pre.',
  )
      bool? isAlwaysShown,
});