@class CHNotifyObserver, NSObject; @protocol OS_dispatch_queue, CHDeviceDataSource; @interface CHDeviceObserver : CHDelegateManager @property (nonatomic, getter=isBootLockEnabled) BOOL bootLockEnabled; @property (readonly, nonatomic) id<CHDeviceDataSource> dataSource; @property (retain, nonatomic) CHNotifyObserver *firstUnlockNotifyObserver; @property (readonly, nonatomic) NSObject<OS_dispatch_queue> *queue; - (id)initWithQueue:(id)a0; - (id)init; - (void)performDelegateSelector:(SEL)a0 withDelegate:(id)a1; - (id)initWithQueue:(id)a0 dataSource:(id)a1; - (void).cxx_destruct; @end