@class NSObject; @protocol OS_xpc_object, GTXPCConnection; @interface GTServiceObserver : NSObject @property (readonly) unsigned long long replyStream; @property (readonly) NSObject<OS_xpc_object> *replyPath; @property (readonly) id<GTXPCConnection> connection; - (void).cxx_destruct; - (id)initWithMessage:(id)a0 notifyConnection:(id)a1; @end