@class NSMutableArray; @protocol NSObject; @interface VCPReactionAVCaptureDeviceObserver : NSObject { NSMutableArray *_captureDevices; unsigned long long _callerID; id<NSObject> _deviceConnectedObserver; id<NSObject> _deviceDisconnectedObserver; void /* function */ *_callback; void *_listener; BOOL _hasReactions; } - (void)dealloc; - (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3; - (void).cxx_destruct; - (void)removeDevice:(id)a0; - (void)addDevice:(id)a0; - (id)initWithCallerID:(unsigned long long)a0 listener:(void *)a1 callback:(void /* function */ *)a2; - (void)setupReactionObserverForDevice:(id)a0 observe:(BOOL)a1; @end