@interface GameCenterUI.ActivityFeedHeaderData : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ id;
void /* unknown type, empty encoding */ title;
void /* unknown type, empty encoding */ instrumentationKey;
void /* unknown type, empty encoding */ index;
void /* unknown type, empty encoding */ segue;
void /* unknown type, empty encoding */ impressionMetrics;
}
@end