public function unserialize($serialized)
    {
        list($this->qps, $this->config, $this->lastRequestTime, $this->logger) = unserialize($serialized);
        $this->client = new Client($this->config);
    }
public function unserialize($serialized)
    {
        list($this->qps, $this->config, $this->lastRequestTime, $this->logger) = unserialize($serialized);
        $this->client = new Client($this->config);
    }
{@inheritdoc}