{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"(Ty::new_lang_item(self.tcx,"}]}
                    (Ty::new_lang_item(self.tcx, *rcvr_ty, LangItem::OwnedBox), "Box::new"),
                for (rcvr_ty, pre) in &[
                    (Ty::new_lang_item(self.tcx, *rcvr_ty, LangItem::Pin), "Pin::new"),