toPaymentMethod

when (forageApiResponse) {
    is ForageApiResponse.Success -> {
        val paymentMethod = forageApiResponse.toPaymentMethod()
        // Unpack paymentMethod.ref, paymentMethod.card, etc.
        val card = paymentMethod.card
        // Unpack card.last4, ...
        if (card is EbtCard) {
            // Unpack ebtCard.usState, ...
        }
    }
}