@class UIView; @interface CalibrationBallView : UIView { UIView *_ballView; } @property (nonatomic) double trackRadius; @property (nonatomic) double ballRadius; @property (nonatomic, setter=setAngle:) double currentAngle; - (void).cxx_destruct; - (void)layoutSubviews; - (id)ballView; - (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0 ballRadius:(double)a1; @end