System/Library/Frameworks/SwiftUI.framework

SwiftUI.AppPreviewHost.h

Download SwiftUI.AppPreviewHost.h

1. _TtCs12_SwiftObject

@interface SwiftUI.AppPreviewHost : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ sceneItemID;
    void /* unknown type, empty encoding */ sceneBridge;
    void /* unknown type, empty encoding */ sceneStorageValues;
}

@end