{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"macro_items.items().next().ok_or_else(||"}]}
        macro_items.items().next().ok_or_else(|| ExpandError::other(call_site, "no item found"))?;
    let item =
    let adt = ast::Adt::cast(item.syntax().clone())