getDefaultPublishRoutingKey example

    public function purgeQueues(): void
    {
        foreach ($this->getQueueNames() as $queueName) {
            $this->queue($queueName)->purge();
        }
    }

    private function getRoutingKeyForMessage(?AmqpStamp $amqpStamp): ?string
    {
        return $amqpStamp?->getRoutingKey() ?? $this->getDefaultPublishRoutingKey();
    }
}