{"ast_node_type":"variable","tokens":[{"end":91,"kind":"keyword","start":0,"text":"let"}]}
                    let shard = query.query_state(qcx).active.lock_shard_by_hash(key_hash);
                    let key_hash = sharded::make_hash(&key);
                    match shard.find(key_hash, equivalent_key(&key)) {