{"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"#[allow(non_snake_case,"}]}
        #[allow(non_snake_case, unused)]
    ($t: ident $($ts: ident)*) => {
        impl<$t: PrintAttribute, $($ts: PrintAttribute),*> PrintAttribute for ($t, $($ts),*) {