toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (contextContents != null) 'contextContents': contextContents!,
if (createTime != null) 'createTime': createTime!,
if (languageCode != null) 'languageCode': languageCode!,
if (updateMode != null) 'updateMode': updateMode!,
};