ScrollThumbBuilder typedef Null safety

ScrollThumbBuilder = Widget Function(Color backgroundColor, Animation<double> thumbAnimation, Animation<double> labelAnimation, double height, {BoxConstraints? labelConstraints, Text? labelText})

Build the Scroll Thumb and label using the current configuration

Implementation

typedef Widget ScrollThumbBuilder(
  Color backgroundColor,
  Animation<double> thumbAnimation,
  Animation<double> labelAnimation,
  double height, {
  Text? labelText,
  BoxConstraints? labelConstraints,
});