TranslatableStorageInterface.php

<?php

namespace Drupal\Core\Entity;


/**
 * A storage that supports translatable entity types.
 */
interface TranslatableStorageInterface extends EntityStorageInterface {
    
    /**
     * Constructs a new entity translation object, without permanently saving it.
     *
     * @param \Drupal\Core\Entity\ContentEntityInterface $entity
     *   The entity object being translated.
     * @param string $langcode
     *   The translation language code.
     * @param array $values
     *   (optional) An associative array of initial field values keyed by field
     *   name. If none is provided default values will be applied.
     *
     * @return \Drupal\Core\Entity\ContentEntityInterface
     *   Another instance of the specified entity object class with the specified
     *   active language and initial values.
     *
     * @todo Consider accepting \Drupal\Core\Entity\TranslatableInterface as first
     *   parameter. See https://www.drupal.org/project/drupal/issues/2932049.
     */
    public function createTranslation(ContentEntityInterface $entity, $langcode, array $values = []);

}