System/Library/Frameworks/WidgetKit.framework

_TtC9WidgetKitP33_F25834A5110A642184069A8971B03B5A25PreferredLanguageObserver.h

Download _TtC9WidgetKitP33_F25834A5110A642184069A8971B03B5A25PreferredLanguageObserver.h

1. _TtCs12_SwiftObject

@interface _TtC9WidgetKitP33_F25834A5110A642184069A8971B03B5A25PreferredLanguageObserver : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ lock;
    void /* unknown type, empty encoding */ cached;
}

@end