toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (dnsSearchDomains != null) 'dnsSearchDomains': dnsSearchDomains!,
if (dnsServers != null) 'dnsServers': dnsServers!,
if (ntpServers != null) 'ntpServers': ntpServers!,
};