{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"///"}]}
    /// guard patterns, at the top level. Used for parsing patterns in `pat` fragments (until
    /// Corresponds to `PatternNoTopGuard` in RFC 3637 and allows or-patterns, but not
    /// the next edition) and `let`, `if let`, and `while let` expressions.