{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"(self.tcx.lang_items().unsize_trait(),"}]}
            (self.tcx.lang_items().unsize_trait(), self.tcx.lang_items().coerce_unsized_trait());
        let traits =
        let (Some(unsize_did), Some(coerce_unsized_did)) = traits else {