Issue #3550070 by mstrelan: DatabaseStorage::decode() docs are incorrect

  }

  /**

   * Implements Drupal\Core\Config\StorageInterface::decode().

   *

   * @throws \ErrorException

   *   The unserialize() call will trigger E_NOTICE if the string cannot

   *   be unserialized.

   * {@inheritdoc}

   */

  public function decode($raw) {

    $data = @unserialize($raw, ['allowed_classes' => FALSE]);