Adapter/PlentymarketsAdapter/ReadApi/Order/Order.php
public function findOneBy(array $criteria = [])
    {
        $result = iterator_to_array($this->findBy($criteria));

        if (!empty($result)) {
            $result = array_shift($result);
        }

        return $result;
    }
public function findOneBy(array $criteria = [])
    {
        $result = iterator_to_array($this->findBy($criteria));

        if (!empty($result)) {
            $result = array_shift($result);
        }

        return $result;
    }
@param array $criteria

@return array