toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (appName != null) 'appName': appName!,
if (mobileDeviceBranding != null)
'mobileDeviceBranding': mobileDeviceBranding!,
if (mobileDeviceModel != null) 'mobileDeviceModel': mobileDeviceModel!,
if (screenName != null) 'screenName': screenName!,
};