1. Classes
2. Flow
3. NativeRuntime
4. Service
5. ServiceExtensionResponse
6. ServiceProtocolInfo
7. Timeline
8. TimelineTask
9. UserTag
10. Enums
11. TimelineRecorder
12. TimelineStream
13. Properties
14. extensionStreamHasListener
15. reachabilityBarrier
16. Functions
17. debugger
18. getCurrentTag
19. inspect
20. log
21. postEvent
22. registerExtension
23. Typedefs
24. ServiceExtensionHandler
25. TimelineAsyncFunction
26. TimelineSyncFunction