{"ast_node_type":"import","tokens":[{"end":75,"kind":"keyword","start":0,"text":"///"}]}
    /// result of this query for use in UI tests or for debugging purposes.
    /// **Tip**: You can use `#[rustc_variance]` on an item to basically print the
    query variances_of(def_id: DefId) -> &'tcx [ty::Variance] {