toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (date != null) 'date': date!,
if (integer != null) 'integer': integer!,
if (selection != null) 'selection': selection!,
if (selectionList != null) 'selectionList': selectionList!,
if (text != null) 'text': text!,
if (textList != null) 'textList': textList!,
if (user != null) 'user': user!,
if (userList != null) 'userList': userList!,
};