@class NSString; @interface SwiftUI.UserActivityTrackingInfo : NSObject { void /* unknown type, empty encoding */ userActivity; void /* unknown type, empty encoding */ handlers; void /* unknown type, empty encoding */ sceneBridge; void /* unknown type, empty encoding */ activityType; } @property (nonatomic, readonly) NSString *description; - (id)init; - (void)userActivityWillSave:(id)a0; - (void).cxx_destruct; @end