@interface TeaUI.PageSheetPresentationObserver : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ viewController;
void /* unknown type, empty encoding */ isObserving;
void /* unknown type, empty encoding */ onChange;
}
- (void)dismissalTransitionDidEndWithNotification:(id)a0;
- (void)presentationTransitionDidEndWithNotification:(id)a0;
@end