TextVariableAnchor constructor Null safety

1. mapbox_maps
2. mapbox_maps
3. TextVariableAnchor
4. TextVariableAnchor const constructor

TextVariableAnchor enum

1. Constructors
2. TextVariableAnchor
3. Values
4. CENTER
5. LEFT
6. RIGHT
7. TOP
8. BOTTOM
9. TOP_LEFT
10. TOP_RIGHT
11. BOTTOM_LEFT
12. BOTTOM_RIGHT
13. Properties
14. hashCode
15. index
16. runtimeType
17. Methods
18. noSuchMethod
19. toString
20. Operators
21. operator ==
22. Constants
23. values