@class NSString, NAIdentity; @protocol HFCharacteristicOperationContextProviding; @interface HFNullValueSource : NSObject <HFLightProfileValueSource, HFCharacteristicValueSource, HFMediaValueSource> @property (class, readonly, nonatomic) NAIdentity *na_identity; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @property (readonly, nonatomic) id<HFCharacteristicOperationContextProviding> contextProvider; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (BOOL)isEqual:(id)a0; - (void)beginTransactionWithReason:(id)a0 readPolicy:(id)a1 logger:(id)a2; - (id)cachedPlaybackStateWriteErrorForRouteID:(id)a0; - (id)cachedValueForCharacteristic:(id)a0; - (void)clearCachedPlaybackStateWriteErrorWithReason:(id)a0 notifyDelegates:(BOOL)a1; - (void)commitTransactionWithReason:(id)a0; - (BOOL)hasPendingWritesForRouteID:(id)a0; - (long long)lastPlaybackStateForProfileForRouteID:(id)a0; - (id)mediaProfileContainerForRouteID:(id)a0; - (id)readValuesForCharacteristicTypes:(id)a0 inServices:(id)a1; - (id)readValuesForCharacteristics:(id)a0; - (id)writePlaybackState:(long long)a0 playbackArchive:(id)a1 forRouteID:(id)a2; - (id)writeValuesForCharacteristics:(id)a0; - (void)fetchNaturalLightColorTemperatureForBrightness:(long long)a0 lightProfile:(id)a1 completion:(id /* block */)a2; - (BOOL)isNaturalLightingEnabledForProfile:(id)a0; - (BOOL)isNaturalLightingSupportedForProfile:(id)a0; - (id)writeNaturalLightEnabledState:(BOOL)a0 forProfile:(id)a1; @end