@class TUCallCenter, NSObject; @protocol OS_dispatch_queue; @interface VPEmergencyCallStateObserver : NSObject @property (copy, nonatomic) id /* block */ handler; @property (retain, nonatomic) TUCallCenter *underlyingCallCenter; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *serialQueue; - (void)dealloc; - (void).cxx_destruct; - (void)handleCallStatusChanged:(id)a0; - (id)initWithEmergencyCallStateHandler:(id /* block */)a0; - (void)notifyInitialEmergencyCallStatus; @end