toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (createTime != null) 'createTime': createTime!,
if (description != null) 'description': description!,
if (filter != null) 'filter': filter!,
if (name != null) 'name': name!,
if (updateTime != null) 'updateTime': updateTime!,
};