code: @RequestMapping(method = RequestMethod.POST, value = "/manage")
      public ResponseEntity<Void> manage(@RequestBody ConfigurationHandler configurationHandler) {
          return configurationHandlerService.editMap(configurationHandler)
                  ? new ResponseEntity<>(HttpStatus.OK)
                  : new ResponseEntity<>(HttpStatus.BAD_REQUEST);
      }
docs: Edit representation for method specified in sent parameter after processing HTTP.POST request (URL: .../manage).
  @param configurationHandler Representation of response.
  @return HttpStatus.OK if contains sent method, HttpStatus.BAD_REQUEST otherwise.