toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (networkType != null) 'networkType': networkType!,
if (rdmaSubtype != null) 'rdmaSubtype': rdmaSubtype!,
if (ullSubtype != null) 'ullSubtype': ullSubtype!,
if (vpcSubtype != null) 'vpcSubtype': vpcSubtype!,
};