/**
* @param Total $totalInstance
* @param array $output
* @return array
*/
protected function merge($totalInstance, $output)
{
if (array_key_exists($totalInstance->getCode(), $output)) {
$output[$totalInstance->getCode()] = $output[$totalInstance->getCode()]->addData($totalInstance->getData());
} else {
$output[$totalInstance->getCode()] = $totalInstance;
}
return $output;
}
