PreEntityImportEvent.php

<?php

declare (strict_types=1);
namespace Drupal\Core\DefaultContent;

use Symfony\Contracts\EventDispatcher\Event;

/**
 * Event dispatched before an entity is created during default content import.
 *
 * This event is dispatched for each entity before it is created from the
 * decoded data. Subscribers can modify the entity data (default and
 * translations) but not the metadata.
 */
final class PreEntityImportEvent extends Event {
  
  /**
   * The entity metadata.
   *
   * @var array<string, mixed>
   */
  public readonly array $metadata;
  public function __construct(public array $data) {
    $this->metadata = $data['_meta'];
    unset($this->data['_meta']);
  }

}