1. Constructors
2. new
3. fromJson
4. Properties
5. hashCode
6. runtimeType
7. Methods
8. noSuchMethod
9. toJson
10. toString
11. Operators
12. operator ==
13. Static methods
14. brightnessFilter
15. colorDocumentFilter
16. contrastFilter
17. customBinarizationFilter
18. grayscaleFilter
19. legacyFilter
20. scanbotBinarizationFilter
21. whiteBlackPointFilter