@protocol BKFaceDetectOperationDelegate; @interface BKFaceDetectOperation : BKPresenceDetectOperation @property (nonatomic) long long mode; @property (nonatomic) double timeout; @property (nonatomic) BOOL highPriority; @property (nonatomic) BOOL eyeRelief; @property (nonatomic) BOOL motionDetect; @property (weak, nonatomic) id<BKFaceDetectOperationDelegate> delegate; - (void)statusMessage:(unsigned int)a0 details:(id)a1 client:(unsigned long long)a2; - (void)startBioOperation:(BOOL)a0 reply:(id /* block */)a1; - (id)initWithDevice:(id)a0; - (void)statusMessage:(unsigned int)a0 client:(unsigned long long)a1; @end