@interface _TtCC8Settings18ExtensionsObserverP33_8B62C04EFBF9C0BB57B71BCEDA4DE89713QueryObserver : NSObject <_EXQueryObserverDelegate> {
    void /* unknown type, empty encoding */ continuation;
}

- (id)init;
- (void).cxx_destruct;
- (void)observerDidUpdate:(id)a0;

@end