{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"(incomplete,"}]}
    (incomplete, export_stable, "1.88.0", Some(139939)),
    /// Allows using `#[export_stable]` which indicates that an item is exportable.
    /// Allows using `aapcs`, `efiapi`, `sysv64` and `win64` as calling conventions