@interface _TtCE16MusicKitInternalC8MusicKit12MusicLibrary15InternalStorage : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ underlyingLibraryTransientStateController;
void /* unknown type, empty encoding */ underlyingCloudController;
void /* unknown type, empty encoding */ underlyingCloudServiceStatusController;
void /* unknown type, empty encoding */ underlyingRestrictionsMonitor;
void /* unknown type, empty encoding */ underlyingContentTasteController;
}
@end