@interface PassKitUI.KeyboardObserver : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ _isVisible;
void /* unknown type, empty encoding */ _keyboardHeight;
}
- (void)keyboardWillShowWithNotification:(id)a0;
- (void)keyboardWillHideWithNotification:(id)a0;
- (void)keyboardDidHideWithNotification:(id)a0;
- (void)keyboardWillChangeFrameWithNotification:(id)a0;
@end