*
* Sub-classes will extend the required keys in $conf with additional parameters
*
- * @param $conf $params Array with keys:
+ * @param array $conf Array with keys:
* - localDomain: A DatabaseDomain or domain ID string.
* - readOnlyReason : Reason the master DB is read-only if so [optional]
* - srvCache : BagOStuff object for server cache [optional]