toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (channel != null) 'channel': channel!,
if (count != null) 'count': count!,
if (deviceOsVersion != null) 'deviceOsVersion': deviceOsVersion!,
if (system != null) 'system': system!,
if (version != null) 'version': version!,
};