SpeechPlayerController constructor Null safety

1. irte_engine
2. speech_player_controller
3. SpeechPlayerController
4. SpeechPlayerController constructor

SpeechPlayerController class

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