{"ast_node_type":"other","tokens":[{"end":6,"kind":"keyword","start":0,"text":"),"}]}
    ),
        template!(List: r#"feature = "name", reason = "...", issue = "N""#), DuplicatesOk,
    ungated!(rustc_const_unstable, Normal, template!(List: r#"feature = "name""#), DuplicatesOk),