BMFOpenTransitPolicy constructor Null safety

1. flutter_baidu_mapapi_utils
2. flutter_baidu_mapapi_utils
3. BMFOpenTransitPolicy
4. BMFOpenTransitPolicy const constructor

BMFOpenTransitPolicy enum

1. Constructors
2. BMFOpenTransitPolicy
3. Values
4. RECOMMAND
5. TRANSFER_FIRST
6. WALK_FIRST
7. NO_SUBWAY
8. TIME_FIRST
9. Properties
10. hashCode
11. index
12. runtimeType
13. Methods
14. noSuchMethod
15. toString
16. Operators
17. operator ==
18. Constants
19. values