toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (channel != null) 'channel': channel!,
if (country != null) 'country': country!,
if (destination != null) 'destination': destination!,
if (itemLevelIssues != null) 'itemLevelIssues': itemLevelIssues!,
if (statistics != null) 'statistics': statistics!,
};