@interface _HKDaemonPreferences : NSObject @property (class, readonly, nonatomic) BOOL usingDemoDataDatabase; + (BOOL)setValue:(id)a0 forKey:(id)a1; + (BOOL)_boolValueForKey:(id)a0; + (id)_safePreferenceForKey:(id)a0 expectedReturnClass:(Class)a1; + (BOOL)isStoreDemoModeSet; + (BOOL)shouldGenerateDemoData; + (void)synchronizePreferencesWithWatch:(id)a0; + (id)valueForKey:(id)a0; + (BOOL)isGenerateDemoDataSet; + (BOOL)_setPreferenceValue:(void *)a0 forKey:(id)a1; @end