metatag-8.x-1.x-dev/src/Plugin/DataType/MetatagInterface.php

<?php

namespace Drupal\metatag\Plugin\DataType;

use Drupal\Core\TypedData\PrimitiveInterface;

/**
 * The metatag data type.
 *
 * The plain value of a metatag is a serialized object represented as a string.
 */
interface MetatagInterface extends PrimitiveInterface {

}