SubredditUnsubscribedEvent constructor Null safety

1. soreo
2. subreddit_bloc
3. SubredditUnsubscribedEvent
4. SubredditUnsubscribedEvent constructor

SubredditUnsubscribedEvent class

1. Constructors
2. SubredditUnsubscribedEvent
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. noSuchMethod
8. toString
9. Operators
10. operator ==