{"ast_node_type":"variable","tokens":[{"end":64,"kind":"keyword","start":0,"text":"let"}]}
            let (meta, remain) = meta.split_once('\n').unwrap();
        if let Some(meta) = fixture.strip_prefix("//- proc_macros:") {
            proc_macro_names = meta.split(',').map(|it| it.trim().to_owned()).collect();