System/Library/PrivateFrameworks/GameCenterUI.framework

GKPlaceholderContentStateMachine.h

Download GKPlaceholderContentStateMachine.h

1. NSObject
2. >
3. _GKStateMachine

@interface GKPlaceholderContentStateMachine : _GKStateMachine

@property (readonly, nonatomic) BOOL isInPlaceholderState;

- (id)init;

@end