@interface SwiftUI.CoreDataDocumentBox : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ _base;
    void /* unknown type, empty encoding */ _context;
    void /* unknown type, empty encoding */ hasLoadedDocument;
    void /* unknown type, empty encoding */ _fileURL;
    void /* unknown type, empty encoding */ _isEditable;
    void /* unknown type, empty encoding */ undoManager;
}

@end