The object that acts as the prefetching data source for the collection view, receiving notifications of upcoming cell data requirements.
- iOS 10.0+
- Mac Catalyst 13.0+
- tvOS 10.0+
Assign an object that conforms to the
UICollection protocol to facilitate prefetching of data for cells to be displayed in the near future. To disable data prefetching behavior, set this property to
nil. This object is not retained.