FModalSheetMotion constructor

const FModalSheetMotion({
  1. Curve barrierCurve = Curves.easeOutCubic,
  2. Duration expandDuration = const Duration(milliseconds: 200),
  3. Duration collapseDuration = const Duration(milliseconds: 200),
  4. Curve curve = Curves.easeOutCubic,
})

Creates a FModalSheetMotion.