public function process()
    {
        $maxJobs = $this->scopeConfig->getValue('springbot/queue/max_jobs');
        if (!is_numeric($maxJobs)) {
            $maxJobs = 1;
        }

        for ($i = 1; $i <= $maxJobs; $i++) {
            if ($this->runNextJob() === null) {
                return null;
            }
        }
        return true;
    }