{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"ast::Item::ExternBlock(it)"}]}
        ast::Item::ExternBlock(it)
    tree.items().for_each(|item| match &item {
            if !collect_attrs(it).map(TupleExt::tail).any(|it| it.is_left()) =>