logger.debug("Logging in with SAML Authenticator");
            }

            final HttpServletResponse response = LaResponseUtil.getResponse();

            final HttpSession session = request.getSession(false);
            if (session != null) {
                final String sesState = (String) session.getAttribute(SAML_STATE);
                if (StringUtil.isNotBlank(sesState)) {

            }, validationErrorLambda);
            return null;
        });
    }

    private OptionalThing<HttpSession> getSession() {
        final HttpSession session = request.getSession(false);
        if (session != null) {
            return OptionalEntity.of(session);
        }
        return OptionalEntity.empty();
    }

    public HtmlResponse search(final SearchForm form) {
        if (viewHelper.isUseSession()) {
            LaRequestUtil.getOptionalRequest().ifPresent(request -> {
                final HttpSession session = request.getSession(false);
                if (session != null && form.num != null) {
                    session.setAttribute(Constants.RESULTS_PER_PAGE, form.num);
                }
            });
        }

            }
        }
        return null;
    }

    public void storeQueryId(final String queryId, final List<Map<String, Object>> documentItems) {
        LaRequestUtil.getOptionalRequest().map(req -> req.getSession(false)).ifPresent(session -> {
            final FessConfig fessConfig = ComponentUtil.getFessConfig();

            final List<String> docIdList = new ArrayList<>();

            }
            if (timeoutInMillis != -1) {
                builder.setTimeout(new TimeValue(timeoutInMillis));
            }
            if (version != null) {
                builder.setVersion(version);
            }
            if (seqNoAndPrimaryTerm != null) {
                builder.seqNoAndPrimaryTerm(seqNoAndPrimaryTerm);
            }
            if (terminateAfter > 0) {

            }
            if (timeoutInMillis != -1) {
                builder.setTimeout(new TimeValue(timeoutInMillis));
            }
            if (version != null) {
                builder.setVersion(version);
            }
            if (seqNoAndPrimaryTerm != null) {
                builder.seqNoAndPrimaryTerm(seqNoAndPrimaryTerm);
            }
            if (terminateAfter > 0) {

            return true;
        }
        return false;
    }

    protected void buildFormParams(final SearchForm form) {

        final HttpSession session = request.getSession(false);
        if (session != null) {
            final Object resultsPerPage = session.getAttribute(Constants.RESULTS_PER_PAGE);
            if (resultsPerPage instanceof Integer) {

            }
            return user.getUserId();
        }).ifPresent(p -> searchRequestBuilder.setPreference(p)).orElse(() -> LaRequestUtil.getOptionalRequest().map(r -> {
            final HttpSession session = r.getSession(false);
            if (session != null) {
                return session.getId();
            }
            final String preference = r.getParameter("preference");
            if (preference != null) {

                updateHighlightInfo(highlightInfo, width);
                final HttpSession session = req.getSession(false);
                if (session != null) {
                    session.setAttribute(SCREEN_WIDTH, width);
                }
            } else {
                final HttpSession session = req.getSession(false);
                if (session != null) {

            if (logger.isDebugEnabled()) {
                logger.debug("Logging in with Azure AD Authenticator");
            }
            final HttpSession session = request.getSession(false);
            if (session != null && containsAuthenticationData(request)) {
                try {
                    return processAuthenticationData(request);
                } catch (final Exception e) {