value property Null safety

1. cloudinary_url_gen
2. effect_actions
3. DitherObject
4. value property

DitherObject class

1. Constructors
2. DitherObject
3. Properties
4. hashCode
5. runtimeType
6. value
7. Methods
8. noSuchMethod
9. toString
10. Operators
11. operator ==
12. Static methods
13. checkerboard2x1Dither
14. circles5x5Black
15. circles5x5White
16. circles6x6Black
17. circles6x6White
18. circles7x7Black
19. circles7x7White
20. halftone4x4Angled
21. halftone4x4Orthogonal
22. halftone6x6Angled
23. halftone6x6Orthogonal
24. halftone8x8Angled
25. halftone8x8Orthogonal
26. halftone16x16Orthogonal
27. ordered2x2Dispersed
28. ordered3x3Dispersed
29. ordered4x4Dispersed
30. ordered8x8Dispersed
31. threshold1x1NonDither