{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"&[sym::rustc_default_body_unstable],"}]}
        &[sym::rustc_default_body_unstable],
    const ATTRIBUTES: AcceptMapping<Self, S> = &[(
        template!(List: r#"feature = "name", reason = "...", issue = "N""#),