@interface _TtCC14WorkflowUICore28PreviewableContentCollection19PreviewableListItem : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ item;
void /* unknown type, empty encoding */ thumbnailSize;
void /* unknown type, empty encoding */ _subtitle;
void /* unknown type, empty encoding */ _altText;
void /* unknown type, empty encoding */ _thumbnail;
}
@end