StoreDownloaderExtension
An app extension that uses the system implementation to schedule Apple-hosted asset-pack downloads automatically.
Declaration
protocol StoreDownloaderExtension : ManagedDownloaderExtensionOverview
You can optionally implement the inherited ManagedDownloaderExtension requirements, but don’t implement any of the inherited BADownloaderExtension requirements for which this protocol provides a default implementation. For more information, see Background Assets.