1. Classes
2. NiceAnimatedSwitcher
3. NiceAnimatedVisibility
4. NiceAnimationCurves
5. NiceAnimationDurations
6. NicePageRoute
7. NicePulse
8. NiceShake
9. NiceShimmer
10. NiceSkeletonLoader
11. NiceStaggeredList
12. Enums
13. NiceEnterAnimation
14. NiceExitAnimation
15. NicePageTransition
16. NiceSwitchTransition