{"ast_node_type":"other","tokens":[{"end":154,"kind":"keyword","start":0,"text":"(removed,"}]}
    (removed, unsized_locals, "1.89.0", Some(48055), Some("removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942")),
    /// Allows unsized rvalues at arguments and parameters.
    (removed, unsized_tuple_coercion, "1.87.0", Some(42877),