@class NSString, NSMutableArray; @interface GKMultiplayerGroupInternal : GKInternalRepresentation @property (retain, nonatomic) NSMutableArray *participants; @property (nonatomic) long long numberOfAutomached; @property (nonatomic) long long playedAt; @property (retain, nonatomic) NSString *groupID; + (id)secureCodedPropertyKeys; - (id)description; - (void).cxx_destruct; @end