An array of PHAsset objects to be added to the asset collection.
If you created the change request with a snapshot of the asset collection’s contents using the init(for:assets:) method, Photos inserts the new assets after the existing assets in the collection. Otherwise, the arrangement of the new assets relative to others in the collection is undefined.
Moves the assets at the specified indexes in the asset collection to a new index.
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.