System/Library/PrivateFrameworks/AuthKit.framework

AKMediaServicesController.h

NSObject

@interface AKMediaServicesController : NSObject

- (id)_artworkURLFromResult:(id)a0 size:(struct CGSize { double x0; double x1; })a1 updatingIconContext:(id)a2;
- (void)appIconForBundleID:(id)a0 size:(id)a1 completion:(id /* block */)a2;

@end