{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"(ConfusionType::Case,"}]}
            (ConfusionType::Case, ConfusionType::DigitLetter)
            (ConfusionType::Both, _) | (_, ConfusionType::Both) => ConfusionType::Both,
            | (ConfusionType::DigitLetter, ConfusionType::Case) => ConfusionType::Both,