public static IAnimationTransition CreateRef(this IAnimationTransition objectRef) =>
 ((IAnimationTransition)objectRef.CreateRef(typeof(IAnimationTransition)));
 public static void ScheduleTransition(this IAnimationManager manager, IAnimationVariable variable, IAnimationTransition transition, AnimationSeconds timeNow)
 {
     manager.TryScheduleTransition(variable, transition, timeNow).ThrowIfError();
 }