public static function getOptions()
    {
        $options = [];

        $options[] = [
            'id' => Operation::PRODUCT_VISA,
            'label' => "Visa",
        ];
        $options[] = [
            'id' => Operation::PRODUCT_MASTERCARD,
            'label' => "Mastercard",
        ];
        $options[] = [
            'id' => Operation::PRODUCT_AMERICAN_EXPRESS,
            'label' => "American Express",
        ];
        $options[] = [
            'id' => Operation::PRODUCT_DINERS,
            'label' => "Diners",
        ];


        return $options;
    }