class EntityBundle

class EntityBundle extends DeriverBase implements ContainerDeriverInterface {
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * Constructs a new EntityBundle.
     *
     * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
     *   The entity type manager.
     */
    public function __construct(EntityTypeManagerInterface $entity_type_manager) {
        $this->entityTypeManager = $entity_type_manager;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, $base_plugin_id) {
        return new static($container->get('entity_type.manager'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDerivativeDefinitions($base_plugin_definition) {
        foreach ($this->entityTypeManager
            ->getDefinitions() as $entity_type_id => $entity_type) {
            if ($entity_type->hasKey('bundle')) {
                $this->derivatives[$entity_type_id] = $base_plugin_definition;
                $this->derivatives[$entity_type_id]['label'] = $entity_type->getBundleLabel();
                $this->derivatives[$entity_type_id]['provider'] = $entity_type->getProvider();
                $this->derivatives[$entity_type_id]['context_definitions'] = [
                    $entity_type_id => EntityContextDefinition::fromEntityType($entity_type),
                ];
            }
        }
        return $this->derivatives;
    }

}