/**
* {@inheritdoc}
*/
public function getCacheTags()
{
$cache_tags = parent::getCacheTags();
$feed = $this->feedStorage->load($this->configuration['feed']);
$cache_tags = NestedArray::mergeDeep($cache_tags, $feed->getCacheTag());
return $cache_tags;
}
/**
* {@inheritdoc}
*/
public function getCacheTags()
{
$cache_tags = parent::getCacheTags();
$feed = $this->feedStorage->load($this->configuration['feed']);
return Cache::mergeTags($cache_tags, $feed->getCacheTags());
}