{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"query"}]}
    query variances_of(def_id: DefId) -> &'tcx [ty::Variance] {
    /// result of this query for use in UI tests or for debugging purposes.
        desc { |tcx| "computing the variances of `{}`", tcx.def_path_str(def_id) }