SpeechPackSyncModelController constructor Null safety

1. irte_engine
2. speech_pack_model_controller
3. SpeechPackSyncModelController
4. SpeechPackSyncModelController constructor

SpeechPackSyncModelController class

1. Constructors
2. SpeechPackSyncModelController
3. Properties
4. hashCode
5. hasListeners
6. hydrated
7. initialized
8. isClosed
9. lastError
10. listeners
11. onDelete
12. onStart
13. repository
14. runtimeType
15. state
16. syncController
17. Methods
18. $configureLifeCycle
19. addListener
20. addListenerId
21. clearTable
22. delete
23. dispose
24. disposeId
25. get
26. getLatest
27. modelStateFromSyncState
28. noSuchMethod
29. notifyChildrens
30. onClose
31. onInit
32. onReady
33. refresh
34. refreshGroup
35. removeListener
36. removeListenerId
37. toString
38. update
39. upsert
40. Operators
41. operator ==
42. Static properties
43. instance