System/Library/Frameworks/Foundation.framework

_TtCV10Foundation16AttributedString4Guts.h

Download _TtCV10Foundation16AttributedString4Guts.h

1. _TtCs12_SwiftObject

@interface _TtCV10Foundation16AttributedString4Guts : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ string;
    void /* unknown type, empty encoding */ runs;
}

@end