@protocol CHMutableKeyValueDataSource, CHKeyValueDataSource; @interface CHUserConfiguration : CHConfiguration @property (readonly, nonatomic) id<CHKeyValueDataSource, CHMutableKeyValueDataSource> dataSource; + (id)userDefaults; + (id)registeredDefaults; - (id)init; - (void)dealloc; - (void)observeValueForKeyPath:(id)a0 ofObject:(id)a1 change:(id)a2 context:(void *)a3; - (void)synchronize; - (BOOL)propertyNameForKeyPath:(id)a0; @end