/**
  * Constructor.
  *
  * @param EntityManager      $em
  * @param ContainerInterface $container
  */
 public function __construct(EntityManager $em, ContainerInterface $container)
 {
     parent::__construct($container);
     $this->em = $em;
 }
 /**
  * Constructor.
  *
  * @param ContainerInterface $container A ContainerInterface instance
  * @param string             $interfaceType
  */
 public function __construct(ContainerInterface $container, $interfaceType)
 {
     parent::__construct($container);
     $this->container = $container;
     $this->interfaceType = $interfaceType;
 }