{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"(None,"}]}
        (None, TokenKind::NtIdent(..)) => format!("identifier `{s}`"),
        (Some(TokenDescription::MetaVar(kind)), _) => format!("`{kind}` metavariable"),
        (None, TokenKind::NtLifetime(..)) => format!("lifetime `{s}`"),