{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
        let (trait_name, helper_attrs) = parse_derive_like(cx, args, true)?;
    fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> {
        Some(AttributeKind::ProcMacroDerive {