System/Library/PrivateFrameworks/GPUToolsiOS.framework

DYPlaybackViewController.h

NSObject
>
UIResponder
>
UIViewController

@interface DYPlaybackViewController : UIViewController

+ (BOOL)_shouldForwardViewWillTransitionToSize;

- (BOOL)shouldAutorotate;
- (void)viewWillTransitionToSize:(struct CGSize { double x0; double x1; })a0 withTransitionCoordinator:(id)a1;

@end