System/Library/PrivateFrameworks/GameCenterFoundation.framework
GKScopedIdManager.h
@interface GKScopedIdManager : NSObject
+ (void)gameCenterEnabledGameInstalled:(id)a0 withCompletionHandler:(id /* block */)a1;
@end
System/Library/PrivateFrameworks/GameCenterFoundation.framework
@interface GKScopedIdManager : NSObject
+ (void)gameCenterEnabledGameInstalled:(id)a0 withCompletionHandler:(id /* block */)a1;
@end