1. amap_map
2. amap_map
3. PolygonUpdates
4. polygonsToChange property

##### PolygonUpdates class

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

# polygonsToChange property

Set <Polygon> polygonsToChange
read / write

想要更新的polygon对象集合

## Implementation

    Set<Polygon> polygonsToChange