buildTransitions method
Implementation
Widget buildTransitions(
    BuildContext context,
    Curve? curve,
    Alignment? alignment,
    Animation<double> animation,
    Animation<double> secondaryAnimation,
    Widget child) {
  return SlideTransition(
    position: Tween<Offset>(
      begin: Offset(1.0, 0.0),
      end: Offset.zero,
    ).animate(animation),
    child: child,
  );
}