1. amap_map
2. amap_map
3. BaseOverlay
4. BaseOverlay constructor

##### BaseOverlay class

1. Constructors
2. BaseOverlay
3. Properties
4. hashCode
5. id
6. runtimeType
7. Methods
8. clone
9. noSuchMethod
10. setIdForCopy
11. toMap
12. toString
13. Operators
14. operator ==

# BaseOverlay constructor

BaseOverlay()

## Implementation

    BaseOverlay() {
      this._id = this.hashCode.toString();
    }