getCategoriesByParentBuilder example

return $categories;
    }

    /** * @param int $id * * @return int */
    public function getChildrenCountList($id)
    {
        $builder = $this->getCategoriesByParentBuilder($id);
        $builder->select('COUNT(categories) as categoriesCount');

        return (int) $builder->getQuery()->getSingleScalarResult();
    }

    /** * @param int $id * * @return array */
    public function getFullChildrenList($id)
    {