BMFTextStyle constructor Null safety

1. flutter_baidu_mapapi_map
2. flutter_baidu_mapapi_map
3. BMFTextStyle
4. BMFTextStyle const constructor

BMFTextStyle enum

1. Constructors
2. BMFTextStyle
3. Values
4. NORMAL
5. BOLD
6. ITALIC
7. BOLD_ITALIC
8. Properties
9. hashCode
10. index
11. runtimeType
12. Methods
13. noSuchMethod
14. toString
15. Operators
16. operator ==
17. Constants
18. values