toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (alternatives != null) 'alternatives': alternatives!,
if (channelTag != null) 'channelTag': channelTag!,
if (languageCode != null) 'languageCode': languageCode!,
if (resultEndTime != null) 'resultEndTime': resultEndTime!,
};