{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"Self::Single(single)"}]}
            Self::Single(single) => Either::Left(iter::once(single.try_lock())),
        match self {
            Self::Shards(shards) => Either::Right(shards.iter().map(|shard| shard.0.try_lock())),