@class UIImageView, NSLayoutXAxisAnchor, UIView;
@interface _UIBackButtonMaskView : UIView {
UIView *_maskExtensionView;
}
@property (readonly, nonatomic) UIImageView *maskImageView;
@property (readonly, nonatomic) NSLayoutXAxisAnchor *maskExtensionLeadingAnchor;
- (id)initWithFrame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a0;
- (void).cxx_destruct;
@end