TargetKind constructor Null safety

1. Flutter
2. meta_meta
3. TargetKind
4. TargetKind const constructor

TargetKind enum

1. Constructors
2. TargetKind
3. Values
4. classType
5. enumType
6. extension
7. field
8. function
9. library
10. getter
11. method
12. mixinType
13. parameter
14. setter
15. topLevelVariable
16. type
17. typedefType
18. Properties
19. hashCode
20. index
21. runtimeType
22. Methods
23. noSuchMethod
24. toString
25. Operators
26. operator ==
27. Constants
28. values