Nextras\Orm\Mapper\Dbal\DbalCollection::countStored PHP Method

    public function countStored()
    {
        return $this->getEntityCount($this->relationshipParent);
    }

 /**
  * Get count of data
  * @return int
  */
 public function getCount()
 {
     return $this->data_source->countStored();
 }