1. amap_map
2. amap_map
3. PolylineUpdates
4. polylinesToChange property

##### PolylineUpdates class

1. Constructors
2. from
3. Properties
4. hashCode
5. polylineIdsToRemove
6. polylinesToAdd
7. polylinesToChange
8. runtimeType
9. Methods
10. noSuchMethod
11. toMap
12. toString
13. Operators
14. operator ==

# polylinesToChange property

Set <Polyline> polylinesToChange
read / write

用于更新polyline的集合

## Implementation

    Set<Polyline> polylinesToChange