System/Library/PrivateFrameworks/PaperKit.framework

PaperKit.ImageThumbnailManager.h

Download PaperKit.ImageThumbnailManager.h

1. _TtCs12_SwiftObject

@interface PaperKit.ImageThumbnailManager : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ cache;
}

@end