{"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":"(Some(a),"}]}
            (Some(a), Some(b)) => {
            (Some(entries), None) => Self { entries: Some(entries.clone()) },
                let last_ast_index = a.slice.last().map_or(0, |it| it.id.ast_index() + 1);