@class NSHashTable; @interface HFTemperatureUnitCoordinator : NSObject @property (retain, nonatomic) NSHashTable *observers; @property (readonly, nonatomic) BOOL isCelsius; + (id)sharedCoordinator; - (id)init; - (void)registerObserver:(id)a0; - (void)unregisterObserver:(id)a0; - (void).cxx_destruct; - (void)setIsCelsius:(BOOL)a0; - (void)_temperatureUnitDidChange; - (void)_updateIsCelsiusNotifyingObservers:(BOOL)a0; @end