t() :: %AdyenCheckoutEx.Model.CardDetails{
  "cupsecureplus.smscode": String.t() | nil,
  cvc: String.t() | nil,
  encryptedCardNumber: String.t(),
  encryptedExpiryMonth: String.t(),
  encryptedExpiryYear: String.t(),
  encryptedSecurityCode: String.t() | nil,
  expiryMonth: String.t() | nil,
  expiryYear: String.t() | nil,
  fundingSource: String.t() | nil,
  holderName: String.t() | nil,
  number: String.t() | nil,
  recurringDetailReference: String.t() | nil,
  storedPaymentMethodId: String.t() | nil,
  type: String.t() | nil
}