PostFetchRequestedEvent constructor Null safety

1. soreo
2. post_bloc
3. PostFetchRequestedEvent
4. PostFetchRequestedEvent constructor

PostFetchRequestedEvent class

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