@interface PTTapToTrackPrediction : NSObject @property struct CGRect { struct CGPoint { double x; double y; } origin; struct CGSize { double width; double height; } size; } rect; @property float confidence; - (id)initWithRect:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0 confidence:(float)a1; @end