/**
* @see ILBFactory::getMainLB()
* @param bool $domain
- * @return mixed
+ * @return LoadBalancer
*/
abstract public function getMainLB( $domain = false );
* @see ILBFactory::getExternalLB()
* @param string $cluster
* @param bool $domain
- * @return mixed
+ * @return LoadBalancer
*/
abstract public function getExternalLB( $cluster, $domain = false );