toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (avsResponseCode != null) 'avsResponseCode': avsResponseCode!,
if (cvvResponseCode != null) 'cvvResponseCode': cvvResponseCode!,
if (gatewayResponseCode != null)
'gatewayResponseCode': gatewayResponseCode!,
if (name != null) 'name': name!,
};