Registration constructor Null safety

1. nevis_mobile_authentication_sdk
2. nevis_mobile_authentication_sdk
3. Registration
4. Registration constructor

Registration class

1. Constructors
2. Registration
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. allowClass2AndroidSensors
8. allowDevicePasscodeAsFallback
9. authenticatorSelector
10. authorizationProvider
11. biometricUserVerifier
12. deviceInformation
13. devicePasscodeUserVerifier
14. execute
15. fingerprintUserVerifier
16. invalidateOnNewOsBiometrics
17. noSuchMethod
18. onError
19. onSuccess
20. pinEnroller
21. requestHeaders
22. serverUrl
23. toString
24. username
25. Operators
26. operator ==