@class NSString; @interface GKAuthenticateExtensionHostContext : GKExtensionHostContext <GKAuthenticateHostProtocol> @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)_extensionAuxiliaryVendorProtocol; + (id)_extensionAuxiliaryHostProtocol; @end