code: public function retrieveParents($id, CachePolicy $cachePolicy = null)
      {
          $parameters = [
              'query' => [],
              'body' => json_encode([], JSON_UNESCAPED_UNICODE),
              'headers' => [],
          ];
  
          $result = $this->get('v1/folders/' . $id . '/parents', $parameters, $cachePolicy);
          foreach ($result as &$entry) {
              $entry = new FolderParent($entry);
          }
          unset($entry);
          reset($result);
  
          return $result;
      }
docs: Lists all parent Folders until the absolute root.
  
  Lists all parent Folders from the specified to the absolute root, with distances.
  
  @param int         $id          the Folder identifier
  @param CachePolicy $cachePolicy a custom cache policy used for this request only
  
  @return FolderParent[]