serialize method
Implementation
@override
Map<String, dynamic> serialize() {
var _result = <String, dynamic>{};
_result.addAll(super.serialize());
if (listLevelNumber != null) {
_result['ListLevelNumber'] = listLevelNumber!;
}
if (listId != null) {
_result['ListId'] = listId!;
}
if (isListItem != null) {
_result['IsListItem'] = isListItem!;
}
return _result;
}