Handle collection notification while loading more


Hi there,
Let’s say we have a lot of items, load from the server and cached to Ream DB. Now we will load by page, each page 50 items. After we have first 50 items, we listen to notification from them. We load more and have next 50 items. So how we listen to the merged list with 50 + 50 items?
Actually, I read Realm doc and it says that no need to load by page: https://realm.io/docs/swift/latest/#limiting-results -> just load all because Realm query, objects are all lazy and not consume much memory.
But I still wonder how you guys handle this case?