@class NSObject; @protocol OS_dispatch_source; @interface NPResolver : NWResolver @property (copy) id /* block */ resolveCompletionHandler; @property (retain) NSObject<OS_dispatch_source> *resolveTimer; - (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3; - (void).cxx_destruct; - (void)resolveWithCompletionHandler:(id /* block */)a0; @end