{"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"node.visit_attrs(|attrs|"}]}
        node.visit_attrs(|attrs| {
    fn expand_cfg_attr(&self, node: &mut impl HasAttrs, attr: &ast::Attribute, pos: usize) {
            // Repeated `insert` calls is inefficient, but the number of