{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"(accepted,"}]}
    (accepted, c_unwind, "1.81.0", Some(74990)),
    /// Allows `extern "C-unwind" fn` to enable unwinding across ABI boundaries and treat `extern "C" fn` as nounwind.
    /// Allows `#[cfg_attr(predicate, multiple, attributes, here)]`.