>Unknown Brand Payment Card Model.  Can be used for specifing cards details when <code><a href="../Structs/VGSValidationRulePaymentCard.html">VGSValidationRulePaymentCard</a></code> requires validating <code><a href="../Classes/VGSPaymentCards/CardBrand.html#/s:13VGSCollectSDK15VGSPaymentCardsC9CardBrandO7unknownyA2EmF">CardBrand.unknown</a></code> cards.</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <di