@class NSUUID, NSString, NSObject; @interface MUImpressionElement : NSObject @property (copy, nonatomic) NSUUID *sessionIdentifier; @property (readonly, nonatomic) NSUUID *elementIdentifier; @property (readonly, nonatomic) double visibilityThreshold; @property (retain, nonatomic) NSObject *customData; @property (copy, nonatomic) NSString *debugString; @property (nonatomic) struct CGRect { struct CGPoint { double x; double y; } origin; struct CGSize { double width; double height; } size; } frame; - (void).cxx_destruct; - (id)initWithElementIdentifier:(id)a0 visibilityThreshold:(double)a1; @end