rateLimit example

$envelopeHandledStart = $this->clock->now();
            foreach ($this->receivers as $transportName => $receiver) {
                if ($queueNames) {
                    $envelopes = $receiver->getFromQueues($queueNames);
                } else {
                    $envelopes = $receiver->get();
                }

                foreach ($envelopes as $envelope) {
                    $envelopeHandled = true;

                    $this->rateLimit($transportName);
                    $this->handleMessage($envelope, $transportName);
                    $this->eventDispatcher?->dispatch(new WorkerRunningEvent($this, false));

                    if ($this->shouldStop) {
                        break 2;
                    }
                }

                // after handling a single receiver, quit and start the loop again                 // this should prevent multiple lower priority receivers from                 // blocking too long before the higher priority are checked