/**
  * {@inheritdoc}
  */
 public function postLoad(Event $event)
 {
     $entities = [];
     foreach ($event->getObjects() as $object) {
         $class = get_class($object);
         if (false === array_key_exists($class, $entities)) {
             $entities[$class] = [];
         }
         $entities[$class][] = $object;
     }
     foreach ($entities as $class => $instances) {
         $this->output->writeln(sprintf('        <comment>%s</comment>: %s', $class, count($instances)));
     }
 }