CalendarInvitationAcceptedNotificationBuilder constructor Null safety

1. wings_data_model
2. wings_data_model
3. CalendarInvitationAcceptedNotificationBuilder
4. CalendarInvitationAcceptedNotificationBuilder constructor

CalendarInvitationAcceptedNotificationBuilder class

1. Constructors
2. CalendarInvitationAcceptedNotificationBuilder
3. Properties
4. acceptedInvitation
5. calendarEntry
6. category
7. dateTime
8. hashCode
9. id
10. name
11. read
12. runtimeType
13. Methods
14. build
15. noSuchMethod
16. replace
17. toString
18. update
19. Operators
20. operator ==