* Create a new load balancer for external storage. The resulting object will be
* untracked, not chronology-protected, and the caller is responsible for
* cleaning it up.
*
* @param $cluster String: external storage cluster, or false for core
* @param $wiki String: wiki ID, or false for the current wiki
* Create a new load balancer for external storage. The resulting object will be
* untracked, not chronology-protected, and the caller is responsible for
* cleaning it up.
*
* @param $cluster String: external storage cluster, or false for core
* @param $wiki String: wiki ID, or false for the current wiki