factory error

config.neon

embeddedMedia:
  class: Components\EmbeddedMedia
  implement: Components\IEmbeddedMediaFactory
  arguments: [%snippet%]

factory.php

<?php

namespace Components;

use Design\Snippets\MultimediaEmbedSnippet;
use Nette\Application\Application;

/**
 * IEmbeddedmediaFactory
 */
interface IEmbeddedMediaFactory {

    /** @return EmbeddedMedia */
    public function create(MultimediaEmbedSnippet $snippet);
}