1. Constructors
2. new
3. Properties
4. hashCode
5. messenger
6. runtimeType
7. Methods
8. checkMockMessageHandler ^(ext)
9. handleFrameworkMessage
10. handlePlatformMessage
11. noSuchMethod
12. registerMessageHandler
13. registrarFor
14. send
15. setMessageHandler
16. setMockMessageHandler ^(ext)
17. toString
18. Operators
19. operator ==