@class NSString, NSHashTable, NSObject; @protocol OS_dispatch_queue; @interface ML3MusicLibraryAccountChangeObserverProxy : NSObject <MLMediaLibraryAccountChangeObserver> @property (class, readonly, nonatomic) ML3MusicLibraryAccountChangeObserverProxy *sharedProxy; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *serialQueue; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *calloutQueue; @property (readonly, nonatomic) NSHashTable *weakObservers; @property (readonly, nonatomic) NSHashTable *readonlyObservers; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)emergencyDisconnectWithCompletion:(id /* block */)a0; - (id)_init; - (void)performDatabasePathChange:(id)a0 completion:(id /* block */)a1; - (void)terminateForFailureToPerformDatabasePathChange; - (void)removeAccountChangeObserver:(id)a0; - (void).cxx_destruct; - (void)addAccountChangeObserver:(id)a0; @end