public function findUsersLastNameInRange($letters, $countOnly = false, $page = 1, $limit = 25)
{
$offset = ($page - 1) * $limit;
$result = $this->getRepository()->findUsersLastNameInRange($letters, $countOnly, $offset, $limit);
if ($countOnly) {
return $result[1];
}
return $result;
}