{"ast_node_type":"variable","tokens":[{"end":63,"kind":"keyword","start":0,"text":"let"}]}
        let chunk_domain_size = chunk_domain_size as ChunkSize;
        debug_assert!(0 < chunk_domain_size && chunk_domain_size <= CHUNK_BITS);
        if is_empty { Zeros(chunk_domain_size) } else { Ones(chunk_domain_size) }