{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"desc"}]}
        desc { |tcx| "computing the super traits of `{}` with associated type name `{}`",
    ) -> ty::EarlyBinder<'tcx, &'tcx [(ty::Clause<'tcx>, Span)]> {
            tcx.def_path_str(key.0),