toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (audioExportGcsDestination != null)
'audioExportGcsDestination': audioExportGcsDestination!,
if (dtmfSettings != null) 'dtmfSettings': dtmfSettings!,
if (loggingSettings != null) 'loggingSettings': loggingSettings!,
if (speechSettings != null) 'speechSettings': speechSettings!,
};