{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"(List:"}]}
    (List: $descr: expr) => { template!(@ false, Some($descr), None) };
    (Word) => { template!(@ true, None, None) };
    (NameValueStr: $descr: expr) => { template!(@ false, None, Some($descr)) };