toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (endpoints != null) 'endpoints': endpoints!,
if (languageCode != null) 'languageCode': languageCode!,
if (latestVerificationResult != null)
'latestVerificationResult': latestVerificationResult!,
if (username != null) 'username': username!,
};