eZ\Publish\Core\REST\Client\ContentTypeService::loadContentTypeGroupList PHP Метод

    public function loadContentTypeGroupList($contentTypeGroupListReference)
    {
        $response = $this->client->request('GET', $contentTypeGroupListReference, new Message(array('Accept' => $this->outputVisitor->getMediaType('ContentTypeGroupRefList'))));
        return $this->inputDispatcher->parse($response);
    }

 /**
  * This method returns the content type groups this content type is assigned to
  *
  * @return \eZ\Publish\API\Repository\Values\ContentType\ContentTypeGroup[]
  */
 public function getContentTypeGroups()
 {
     $contentTypeGroupList = $this->contentTypeService->loadContentTypeGroupList($this->contentTypeGroupListReference);
     return $contentTypeGroupList->getContentTypeGroups();
 }