PreWarmableInterface

class \Drupal\Core\Entity\EntityFieldManager implements \Drupal\Core\Entity\EntityFieldManagerInterface, \Drupal\Core\PreWarm\PreWarmableInterface uses \Drupal\Core\Cache\UseCacheBackendTrait, \Drupal\Core\StringTranslation\StringTranslationTrait
class \Drupal\Core\Render\ElementInfoManager extends \Drupal\Core\Plugin\DefaultPluginManager implements \Drupal\Core\Render\ElementInfoManagerInterface, \Drupal\Core\PreWarm\PreWarmableInterface uses \Drupal\Core\Plugin\PreWarmablePluginManagerTrait
class \Drupal\Tests\Core\Entity\TestEntityFieldManager extends \Drupal\Core\Entity\EntityFieldManager
class \Drupal\Tests\Core\Render\TestElementInfoManager extends \Drupal\Core\Render\ElementInfoManager
class \Drupal\views\Plugin\ViewsHandlerManager extends \Drupal\Core\Plugin\DefaultPluginManager implements \Drupal\Component\Plugin\FallbackPluginManagerInterface, \Drupal\Core\PreWarm\PreWarmableInterface uses \Drupal\Core\Plugin\PreWarmablePluginManagerTrait
class \Drupal\views\Plugin\ViewsPluginManager extends \Drupal\Core\Plugin\DefaultPluginManager implements \Drupal\Core\PreWarm\PreWarmableInterface uses \Drupal\Core\Plugin\PreWarmablePluginManagerTrait

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.