toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (displayName != null) 'displayName': displayName!,
if (googleAudienceId != null) 'googleAudienceId': googleAudienceId!,
if (googleAudienceType != null)
'googleAudienceType': googleAudienceType!,
if (name != null) 'name': name!,
};