System/Library/PrivateFrameworks/GameCenterUI.framework
GKPlaceholderView.h
@interface GKPlaceholderView : _UIContentUnavailableView
+ (void)initialize;
+ (id)placeholderViewWithTitle:(id)a0 message:(id)a1 frame:(struct CGRect { struct CGPoint { double x0; double x1; } x0; struct CGSize { double x0; double x1; } x1; })a2;
- (BOOL)pointInside:(struct CGPoint { double x0; double x1; })a0 withEvent:(id)a1;
@end