deliver method
Implementation
@override
Future<ChartExportDeliveryResult> deliver(ChartExportFile file) async {
try {
await onFile(file);
return ChartExportDeliveryResult.success(file);
} catch (error, stackTrace) {
return ChartExportDeliveryResult.failure(
file: file,
error: error,
stackTrace: stackTrace,
);
}
}