code: @RequestMapping(method = RequestMethod.PUT, value = "/updateUser")
      public ResponseEntity<Void> updateUser() {
          ConfigurationHandler response =  configurationHandlerService.getConfigForUpdateUser();
  
          return new ResponseEntity<>(HttpStatus.valueOf(response.getResult()));
      }
docs: Processes HTTP.PUT request (URL: .../updateUser).
  @return ResponseEntity with http status result (success or not).