System/Library/Frameworks/SwiftUI.framework

SwiftUI.UnaryViewResponder.h

Download SwiftUI.UnaryViewResponder.h

1. _TtCs12_SwiftObject
2. >
3. SwiftUI.ViewResponder

@interface SwiftUI.UnaryViewResponder : SwiftUI.ViewResponder {
    void /* unknown type, empty encoding */ _child;
}

@end