public function __construct(SimpleXMLElement $xml = null)
 {
     parent::__construct($xml);
     if (is_null($xml)) {
         return;
     }
 }
 function listAction(Kaltura_Client_Type_UserFilter $filter = null, Kaltura_Client_Type_FilterPager $pager = null)
 {
     $kparams = array();
     if ($filter !== null) {
         $this->client->addParam($kparams, "filter", $filter->toParams());
     }
     if ($pager !== null) {
         $this->client->addParam($kparams, "pager", $pager->toParams());
     }
     $this->client->queueServiceActionCall("user", "list", "KalturaUserListResponse", $kparams);
     if ($this->client->isMultiRequest()) {
         return $this->client->getMultiRequestResult();
     }
     $resultXml = $this->client->doQueue();
     $resultXmlObject = new \SimpleXMLElement($resultXml);
     Kaltura_Client_ParseUtils::checkIfError($resultXmlObject->result);
     $resultObject = Kaltura_Client_ParseUtils::unmarshalObject($resultXmlObject->result, "KalturaUserListResponse");
     $this->client->validateObjectType($resultObject, "Kaltura_Client_Type_UserListResponse");
     return $resultObject;
 }
 function listAction(Kaltura_Client_Type_UserFilter $filter = null, Kaltura_Client_Type_FilterPager $pager = null)
 {
     $kparams = array();
     if ($filter !== null) {
         $this->client->addParam($kparams, "filter", $filter->toParams());
     }
     if ($pager !== null) {
         $this->client->addParam($kparams, "pager", $pager->toParams());
     }
     $this->client->queueServiceActionCall("user", "list", $kparams);
     if ($this->client->isMultiRequest()) {
         return $this->client->getMultiRequestResult();
     }
     $resultObject = $this->client->doQueue();
     $this->client->throwExceptionIfError($resultObject);
     $this->client->validateObjectType($resultObject, "Kaltura_Client_Type_UserListResponse");
     return $resultObject;
 }