toJson method
Implementation
@override
Map<String, Object?> toJson() => {
"account_number": encodeValue(accountNumber),
if (branch != null) "branch": encodeValue(branch),
if (name != null) "name": encodeValue(name),
if (sortCode != null) "sort_code": encodeValue(sortCode),
if (swiftCode != null) "swift_code": encodeValue(swiftCode),
};