toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (defaultValue != null) 'defaultValue': defaultValue!,
if (filterable != null) 'filterable': filterable!,
if (id != null) 'id': id!,
if (name != null) 'name': name!,
if (renderable != null) 'renderable': renderable!,
if (required != null) 'required': required!,
if (type != null) 'type': type!,
};