entityManager = $managerRegistry->getRepository('App\Entity\MyEntityClass')->getEntityManager(); } public function doSomething() { // use $this->entityManager here.. } } ?>In this example, we use the `getRepository` method from Doctrine's `ManagerRegistry` to retrieve an instance of an `EntityRepository` object. We then use the `getEntityManager` method of that object to retrieve an instance of an `EntityManagerInterface`, which we store in a private class property for later use. This example highlights how `getRepository` can be useful for getting specific instances of classes from a package library. In this case, we're working with Doctrine's ORM package.