Why have we sealed all the classes? Is there a reason why we wouldn't want external users (or even ourselves) being able to extend the FileSource (for example)?
EDIT: Genuine discussion point, we should work out if we should make the change before doing it.
Why have we sealed all the classes? Is there a reason why we wouldn't want external users (or even ourselves) being able to extend the FileSource (for example)?
EDIT: Genuine discussion point, we should work out if we should make the change before doing it.