toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (outputAudio != null) 'outputAudio': outputAudio!,
if (outputAudioConfig != null) 'outputAudioConfig': outputAudioConfig!,
if (queryResult != null) 'queryResult': queryResult!,
if (responseId != null) 'responseId': responseId!,
};