toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (alertId != null) 'alertId': alertId!,
if (createTime != null) 'createTime': createTime!,
if (customerId != null) 'customerId': customerId!,
if (email != null) 'email': email!,
if (feedbackId != null) 'feedbackId': feedbackId!,
if (type != null) 'type': type!,
};