@class KalmanFilterPrivate; @interface KalmanFilter : NSObject { BOOL _isFirstObservation; KalmanFilterPrivate *_kalmanFilterX; KalmanFilterPrivate *_kalmanFilterY; KalmanFilterPrivate *_kalmanFilterWidth; KalmanFilterPrivate *_kalmanFilterHeight; } @property (readonly, nonatomic) int oid; - (id)init; - (void).cxx_destruct; - (void)addObservation:(id)a0; - (struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })estimatedBounds; @end