toJson method
Implementation
Map<String, dynamic> toJson() {
return {
'bin': bin,
'brand': brand,
'card_holder_name': cardHolderName,
'country': country,
'expiry_month': expiryMonth,
'expiry_year': expiryYear,
'issuer': issuer,
'last_4': last4,
'logo': logo,
'payment_methods': paymentMethods,
'requires_cvv': requiresCvv,
};
}