docs: public static Tag outcome(@Nullable HttpServletResponse response) {
          if (response != null) {
              HttpStatus status = extractStatus(response);
              if (status != null) {
                  if (status.is1xxInformational()) {
                      return OUTCOME_INFORMATIONAL;
                  }
                  if (status.is2xxSuccessful()) {
                      return OUTCOME_SUCCESS;
                  }
                  if (status.is3xxRedirection()) {
                      return OUTCOME_REDIRECTION;
                  }
                  if (status.is4xxClientError()) {
                      return OUTCOME_CLIENT_ERROR;
                  }
              }
              return OUTCOME_SERVER_ERROR;
          }
          return OUTCOME_UNKNOWN;
      }