toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (domainName != null) 'domainName': domainName!,
if (rdata != null) 'rdata': rdata!,
if (relevantState != null) 'relevantState': relevantState!,
if (requiredAction != null) 'requiredAction': requiredAction!,
if (type != null) 'type': type!,
};