code: public void checkNewWidgetsAvailable(CmsUUID structureId, AsyncCallback<Boolean> asyncCallback) {
  
          m_controller.checkNewWidgetsAvailable(structureId, asyncCallback);
      }
docs: Checks whether GWT widgets are available for all fields of a content.<p>
  
  @param structureId the structure id of the content
  
  @param asyncCallback the callback for the result