{"ast_node_type":"import","tokens":[{"end":73,"kind":"keyword","start":0,"text":"///"}]}
    /// Allows use of `?` as the Kleene "at most one" operator in macros.
    (accepted, loop_break_value, "1.19.0", Some(37339)),
    (accepted, macro_at_most_once_rep, "1.32.0", Some(48075)),