@class GKExtensionHostViewController, NSString, NSObject; @protocol OS_dispatch_queue; @interface GKExtensionManager : NSObject <GKExtensionHostViewControllerDelegate> @property (retain, nonatomic) GKExtensionHostViewController *extensionHostViewController; @property (nonatomic) long long extensionLoadState; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *stateQueue; @property (copy, nonatomic) NSString *extensionIdentifier; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void).cxx_destruct; - (void)extensionDidTerminateWithError:(id)a0; - (id)initWithExtensionBundleIdentifer:(id)a0 host:(id)a1; - (void)instantiateViewControllerWithHost:(id)a0 handler:(id /* block */)a1; - (BOOL)needToLoadExtension; @end