toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (airInterface != null) 'airInterface': airInterface!,
if (callSign != null) 'callSign': callSign!,
if (category != null) 'category': category!,
if (installationParams != null)
'installationParams': installationParams!,
if (isSigned != null) 'isSigned': isSigned!,
if (measurementCapabilities != null)
'measurementCapabilities': measurementCapabilities!,
if (model != null) 'model': model!,
if (state != null) 'state': state!,
if (updateTime != null) 'updateTime': updateTime!,
if (userId != null) 'userId': userId!,
};