Issue #3299220 by jsacksick, Londova: Class "Twig_Extension" not found in include().

namespace Drupal\commerce\TwigExtension;

use Drupal\Core\Entity\ContentEntityInterface;

use Twig\Extension\AbstractExtension;

use Twig\TwigFilter;

/**

 * Provides the Commerce Twig extensions.

 */

class CommerceTwigExtension extends \Twig_Extension {

class CommerceTwigExtension extends AbstractExtension {

  /**

   * @inheritdoc

   */

  public function getFilters() {

    return [

      new \Twig_SimpleFilter('commerce_entity_render', [$this, 'renderEntity']),

      new TwigFilter('commerce_entity_render', [$this, 'renderEntity']),

    ];

  }