{"ast_node_type":"impl","tokens":[{"end":112,"kind":"keyword","start":0,"text":"desc"}]}
        desc { |tcx| "checking that `{}`'s generics are constrained by the impl header", tcx.def_path_str(key) }
    query enforce_impl_non_lifetime_params_are_constrained(key: LocalDefId) -> Result<(), ErrorGuaranteed> {
        return_result_from_ensure_ok