@interface NewsFeed.FormatOptionConverter : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ inventory;
    void /* unknown type, empty encoding */ logger;
    void /* unknown type, empty encoding */ properties;
    void /* unknown type, empty encoding */ slotProperties;
    void /* unknown type, empty encoding */ slotItemProperties;
    void /* unknown type, empty encoding */ slotItemAuxiliaryProperties;
    void /* unknown type, empty encoding */ slotItemAuxiliaryItemProperties;
}

@end