MediaProvider constructor Null safety

1. baguette
2. MediaProvider
3. MediaProvider
4. MediaProvider constructor

MediaProvider class

1. Constructors
2. MediaProvider
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. addPlugin
8. cleanPlugins
9. getCameras
10. getPlugin
11. noSuchMethod
12. open
13. removePlugin
14. toString
15. Operators
16. operator ==
17. Constants
18. IMAGE_SIZE_MAX
19. MEDIA_DURATION_MAX
20. MEDIA_DURATION_MIN
21. VIDEO_SIZE_MAX