toJson method Null safety
Implementation
Map<String, dynamic> toJson() => {
"id": id,
"code": code,
"title": title,
"additionalFees": additionalFees,
"hasCashLimit": hasCashLimit,
"cashLimit": cashLimit,
"cashLimitMsg": cashLimitMsg,
"image": image,
"currencySymbol": currencySymbol,
};