@interface GameCenterUI.OnboardingKitButtonCollectionViewCell : GameCenterUI.BaseCollectionViewCell { void /* unknown type, empty encoding */ button; } - (void)prepareForReuse; - (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (void).cxx_destruct; - (void)layoutSubviews; - (id)initWithCoder:(id)a0; - (struct CGSize { double x0; double x1; })sizeThatFits:(struct CGSize { double x0; double x1; })a0; - (struct JUMeasurements { double x0; double x1; double x2; double x3; })measurementsWithFitting:(struct CGSize { double x0; double x1; })a0 in:(id)a1; @end