toJson method

Implementation

@override
Object toJson() {
  return {
    if (voiceConfig != null) 'voiceConfig': voiceConfig!.toJson(),
    if (multiSpeakerVoiceConfig != null)
      'multiSpeakerVoiceConfig': multiSpeakerVoiceConfig!.toJson(),
    if (languageCode.isNotDefault) 'languageCode': languageCode,
  };
}