@class NSObject; @protocol OS_dispatch_queue; @interface MTMediaContentSourceiOSMusicLibrary : MTMediaContentSource @property (retain, nonatomic) NSObject<OS_dispatch_queue> *workQueue; @property (readonly, nonatomic) BOOL iTunesMatchEnabled; + (id)sharedInstance; - (id)init; - (void).cxx_destruct; - (void)determineiTunesMatchEnabledWithCompletion:(id /* block */)a0; @end