/**
* Merges current configuration item with another one
*
* @param ConfigItemInterface $config_item Configuration object we're going to merge with
* @return object Current class object
*/
public function merge(ConfigItem $config_item)
{
$current_config = $this->config->getAll();
$merging_config = $config_item->getAll();
$new_config = array_replace_recursive($current_config, $merging_config);
$this->config->clear()->set($new_config);
return $this;
}
