@class HUComfortSound; @interface HUComfortSoundsSettings : HCSettings @property (nonatomic) BOOL comfortSoundsEnabled; @property (nonatomic) BOOL mixesWithMedia; @property (nonatomic) BOOL stopsOnLock; @property (retain, nonatomic) HUComfortSound *selectedComfortSound; @property (nonatomic) double relativeVolume; @property (nonatomic) double mediaVolume; @property (nonatomic) double lastEnablementTimestamp; @property (nonatomic) BOOL forceMixingBehavior; + (id)sharedInstance; - (BOOL)shouldStoreLocally; - (id)keysToSync; - (void)logMessage:(id)a0; - (void)reset; - (double)mediaVolume; - (double)relativeVolume; - (void)setMediaVolume:(double)a0; - (void)setForceMixingBehavior:(BOOL)a0; - (void)setStopsOnLock:(BOOL)a0; - (double)lastEnablementTimestamp; - (BOOL)comfortSoundsAvailable; - (void)setMixesWithMedia:(BOOL)a0; - (BOOL)stopsOnLock; - (id)preferenceKeyForSelector:(SEL)a0; - (void)setRelativeVolume:(double)a0; - (void)setLastEnablementTimestamp:(double)a0; - (BOOL)forceMixingBehavior; - (BOOL)comfortSoundsEnabled; - (void)setComfortSoundsEnabled:(BOOL)a0; - (BOOL)mixesWithMedia; - (id)preferenceDomainForPreferenceKey:(id)a0; @end