/**
* Process category data before delete
* update children count for parent category
* delete child categories
*
* @param \Magento\Framework\DataObject $object
* @return $this
*/
protected function _beforeDelete(\Magento\Framework\DataObject $object)
{
parent::_beforeDelete($object);
$this->getAggregateCount()->processDelete($object);
$this->deleteChildren($object);
}
