{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"(TyKind::Tuple(cardinality,"}]}
            (TyKind::Tuple(cardinality, _), TyKind::Tuple(cardinality2, _)) => {
            ) => num_binders == num_binders2 && sig == sig2,
                cardinality == cardinality2