code: public function logBootstrap(BootstrapEvent $event) : void
      {
          $this->getLogger()->info(sprintf(
              $this->tmpl['queue'],
              'Start',
              $event->getQueue()->getName()
          ));
  
          $this->injectLoggerInObject($event->getWorker());
          $this->injectLoggerInEvent($event);
      }
docs: Listener method for queue bootstrap event
  
  @param BootstrapEvent $event