1. Properties
2. boundingBoxes
3. contentLength
4. hashCode
5. registrar
6. runtimeType
7. size
8. value
9. Methods
10. addListener
11. dispatchSelectionEvent
12. dispose
13. getSelectedContent
14. getSelection
15. getTransformTo
16. noSuchMethod
17. pushHandleLayers
18. removeListener
19. toString
20. Operators
21. operator ==