The resource loader associated with the asset.
- iOS 6.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
During loading, the resource loader object may be asked to assist in the loading of a resource. For example, a resource that requires decryption might result in the resource loader being asked to provide the appropriate decryption keys. You can assign a delegate object to the resource loader object and use your delegate to intercept these requests and provide an appropriate response.