$this->jobQueueGroup = $jobQueueGroup;
$this->messageCache = $messageCache;
$this->contLang = $contLang;
- // XXX only needed for waiting for slaves to catch up; there should be a narrower
+ // XXX only needed for waiting for replicas to catch up; there should be a narrower
// interface for that.
$this->loadbalancerFactory = $loadbalancerFactory;
}