{"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"Range(Option<P<AnonConst>>,"}]}
    Range(Option<P<AnonConst>>, Option<P<AnonConst>>, Spanned<RangeEnd>),
    /// A range pattern (e.g., `1...2`, `1..2`, `1..`, `..2`, `1..=2`, `..=2`).