@interface GKViewServiceInterface : NSXPCInterface + (void)_configureKVOTypes:(id)a0; + (id)challengeIssueHostViewControllerInterface; + (id)challengeIssueServiceViewControllerInterface; + (id)extensionHostInterface; + (id)extensionInterface; + (id)gameCenterHostViewControllerInterface; + (id)gameCenterServiceViewControllerInterface; + (id)matchmakerHostViewControllerInterface; + (id)matchmakerServiceViewControllerInterface; + (id)remoteFriendRequestViewControllerInterface; + (id)remoteSignInViewControllerInterface; + (id)serviceFriendRequestViewControllerInterface; + (void)setClassesForExtensionInterface:(id)a0; + (void)setClassesForHostInterface:(id)a0; + (id)signInServiceViewControllerInterface; + (id)turnBasedHostViewControllerInterface; + (id)turnBasedServiceViewControllerInterface; @end