{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"|"}]}
            | (ConfusionType::DigitLetter, ConfusionType::Case) => ConfusionType::Both,
            (ConfusionType::Case, ConfusionType::DigitLetter)
            (ConfusionType::Case, ConfusionType::Case) => ConfusionType::Case,