{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"(Ty::new_lang_item(self.tcx,"}]}
                    (Ty::new_lang_item(self.tcx, *rcvr_ty, LangItem::Pin), "Pin::new"),
                    (Ty::new_lang_item(self.tcx, *rcvr_ty, LangItem::OwnedBox), "Box::new"),
                    (Ty::new_diagnostic_item(self.tcx, *rcvr_ty, sym::Arc), "Arc::new"),