docs: @PreAuthorize(
              "hasPermission('ALL', 'java.lang.String', new org.apereo.portal.spring.security.evaluator.AuthorizableActivity('UP_PERMISSIONS', 'VIEW_PERMISSIONS'))")
      @RequestMapping(value = "/permissions/owners.json", method = RequestMethod.GET)
      public ModelAndView getOwners() {
  
          // get a list of all currently defined permission owners
          List<IPermissionOwner> owners = permissionOwnerDao.getAllPermissionOwners();
  
          ModelAndView mv = new ModelAndView();
          mv.addObject("owners", owners);
          mv.setViewName("json");
  
          return mv;
      }