toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (done != null) 'done': done!,
if (error != null) 'error': error!,
if (jobReference != null) 'jobReference': jobReference!,
if (outputConfig != null) 'outputConfig': outputConfig!,
if (queryResult != null) 'queryResult': queryResult!,
};