{"ast_node_type":"variable","tokens":[{"end":87,"kind":"keyword","start":0,"text":"let"}]}
    let type_params = generic_param_list.map_or_else(String::new, |it| it.to_string());
    let semicolon = if matches!(field_list, ast::FieldList::TupleFieldList(_)) { ";" } else { "" };
    let visibility = match visibility {