System/Library/PrivateFrameworks/AssetViewer.framework

AssetViewer.TraitCollectionManager.h

Download AssetViewer.TraitCollectionManager.h

1. _TtCs12_SwiftObject

@interface AssetViewer.TraitCollectionManager : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ overrideTrait;
    void /* unknown type, empty encoding */ overrideContentSize;
}

@end