docs: private static AbstractWebApplicationService determineWebApplicationFormat(final HttpServletRequest request,
                                                                                 final AbstractWebApplicationService webApplicationService) {
          val format = request != null ? request.getParameter(CasProtocolConstants.PARAMETER_FORMAT) : null;
          try {
              if (StringUtils.isNotBlank(format)) {
                  val formatType = ValidationResponseType.valueOf(format.toUpperCase());
                  webApplicationService.setFormat(formatType);
              }
          } catch (final Exception e) {
              LOGGER.error("Format specified in the request [{}] is not recognized", format);
          }
          return webApplicationService;
      }