{"ast_node_type":"variable","tokens":[{"end":89,"kind":"keyword","start":0,"text":"let"}]}
        let (user_path, cgu_special_suffix) = if let Some(index) = user_path.rfind('.') {
        // Split of the "special suffix" if there is one.
            (&user_path[..index], Some(&user_path[index + 1..]))