/**
  * Serializes the CollaborationHubContent object.
  *
  * @param $content Content
  * @param $format string|null
  * @return mixed
  */
 public function serializeContent(Content $content, $format = null)
 {
     if ($format === self::FORMAT_WIKI) {
         return $content->convertToHumanEditable();
     }
     return parent::serializeContent($content, $format);
 }
 public function serializeContent(Content $content, $format = null)
 {
     // No special logic needed; XmlContent just wraps the raw text.
     // If XmlContent were DOM-based, we'd serialize the XML DOM here.
     return parent::serializeContent($content, $format);
 }