@class NSString, UIVisualEffectView, UIView; @interface _UIDimmingKnockoutBackdropView : UIView { UIView *dimmingKnockoutView; UIVisualEffectView *backdropView; double _alpha; double _currentCornerRadius; } @property (nonatomic) double cornerRadius; @property (nonatomic) long long style; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)setPressed:(BOOL)a0; - (void)_setContinuousCornerRadius:(double)a0; - (id)initWithStyle:(long long)a0; - (void)setHighlighted:(BOOL)a0; - (void)_updateCornerRadius; - (void)setAlpha:(double)a0; - (void)setBounds:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0; - (void).cxx_destruct; - (void)_configureViewsWithStyle:(long long)a0; - (id)_dimmingKnockoutBackgroundColorForBackdropStyle:(long long)a0; - (id)_dimmingKnockoutFilterForBackdropStyle:(long long)a0; - (void)_updateBackdropViewWithStyle:(long long)a0 alpha:(double)a1; - (id)_vibrancyEffectForStyle:(long long)a0; - (id)_visualEffectForStyle:(long long)a0; - (void)setRoundedCornerPosition:(unsigned long long)a0; @end