toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (certificationAuthority != null)
'certificationAuthority': certificationAuthority!,
if (certificationCode != null) 'certificationCode': certificationCode!,
if (certificationName != null) 'certificationName': certificationName!,
if (certificationValue != null)
'certificationValue': certificationValue!,
};