@class NSXPCConnection, DADiscovery, _EXExtensionIdentity, NSObject; @protocol OS_dispatch_queue; @interface DADiscoveryExtension : NSObject <DADiscoveryExtensionXPCProtocolHost> { NSXPCConnection *_xpcConnection; } @property (retain, nonatomic) NSObject<OS_dispatch_queue> *dispatchQueue; @property (retain, nonatomic) _EXExtensionIdentity *ekExtension; @property (copy, nonatomic) id /* block */ invalidationHandler; @property (retain, nonatomic) DADiscovery *parent; - (void)_activate; - (void)_invalidated; - (void)_invalidate; - (void)invalidate; - (void)activate; - (id)description; - (void).cxx_destruct; - (void)_interrupted; - (void)reportEvent:(id)a0; - (void)reportEventToExtension:(id)a0; @end