System/Library/PrivateFrameworks/SleepHealthUI.framework

SleepHealthUI.ObservableNotification.h

Download SleepHealthUI.ObservableNotification.h

1. _TtCs12_SwiftObject

@interface SleepHealthUI.ObservableNotification : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ observer;
}

@end