toJson method
Implementation
Map<String, dynamic> toJson() {
var json = <String, dynamic>{};
json['from'] = from.toJson();
json['to'] = to.toJson();
json['type'] = type;
json['typeGroup'] = typeGroup.toShortString();
if (additionalInfo != null) {
json['additionalInfo'] = additionalInfo;
}
return json;
}