SpeechMatcherRegistryController constructor Null safety

1. irte_engine
2. speech_matcher_registry_controller
3. SpeechMatcherRegistryController
4. SpeechMatcherRegistryController constructor

SpeechMatcherRegistryController class

1. Constructors
2. SpeechMatcherRegistryController
3. Properties
4. hashCode
5. hasListeners
6. initialized
7. isClosed
8. listeners
9. onDelete
10. onStart
11. registry
12. runtimeType
13. Methods
14. $configureLifeCycle
15. addListener
16. addListenerId
17. addMatcher
18. dispose
19. disposeId
20. match
21. noSuchMethod
22. notifyChildrens
23. onClose
24. onInit
25. onReady
26. refresh
27. refreshGroup
28. removeListener
29. removeListenerId
30. toString
31. update
32. Operators
33. operator ==
34. Static properties
35. instance