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