{"ast_node_type":"other","tokens":[{"end":106,"kind":"keyword","start":0,"text":"query"}]}
    query mir_borrowck(key: LocalDefId) -> Result<&'tcx mir::ConcreteOpaqueTypes<'tcx>, ErrorGuaranteed> {
    /// and its children, e.g. closures, inline consts.
        desc { |tcx| "borrow-checking `{}`", tcx.def_path_str(key) }