{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"const"}]}
    const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Custom(|cx, used, unused| {
    const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepInnermost;
        cx.dcx().span_err(vec![used, unused], "multiple macro transparency attributes");