{"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":"Entry::Vacant(entry)"}]}
        Entry::Vacant(entry) => {
    match state_lock.entry(key_hash, equivalent_key(&key), |(k, _)| sharded::make_hash(k)) {
            // Nothing has computed or is computing the query, so we start a new job and insert it in the