*
     * @return HTML response for the maintenance index page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asIndexHtml();
    }

    private HtmlResponse asIndexHtml() {
        return asHtml(path_AdminMaintenance_AdminMaintenanceJsp).useForm(ActionForm.class, op -> op.setup(f -> {
            f.replaceAliases = Constants.ON;

     */
    public HtmlResponse getRedirectResponseToLogin(final HtmlResponse response) {
        return response;
    }

    /**
     * Gets the redirect response to the root page.
     *
     * @param response The original response.
     * @return The redirect response.
     */
    public HtmlResponse getRedirectResponseToRoot(final HtmlResponse response) {
        return response;
    }

     */
    protected HtmlResponse redirectToLogin() {
        searchHelper.storeSearchParameters();
        return systemHelper.getRedirectResponseToLogin(redirect(SsoAction.class));
    }

    /**
     * Redirects the user to the root path of the application.
     *
     * @return HTML response that redirects to the root page
     */
    protected HtmlResponse redirectToRoot() {

import org.dbflute.optional.OptionalEntity;
import org.lastaflute.web.login.credential.LoginCredential;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.util.LaRequestUtil;

import com.google.api.client.auth.oauth2.AuthorizationCodeRequestUrl;
import com.google.api.client.auth.oauth2.AuthorizationCodeTokenRequest;

import org.dbflute.optional.OptionalEntity;
import org.lastaflute.web.login.credential.LoginCredential;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.JsonResponse;

import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;

public class SsoAuthenticatorTest extends UnitFessTestCase {

import org.lastaflute.core.message.UserMessages;
import org.lastaflute.web.login.credential.LoginCredential;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.StreamResponse;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;

import org.codelibs.fess.app.web.base.FessAdminAction;
import org.codelibs.fess.mylasta.action.FessUserBean;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;

/**
 * The action for admin pages.
 */
public class AdminAction extends FessAdminAction {

    /**
     * Default constructor.
     */
    public AdminAction() {
        super();
    }

import org.dbflute.optional.OptionalEntity;
import org.lastaflute.web.login.credential.LoginCredential;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.util.LaRequestUtil;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.microsoft.aad.msal4j.AuthorizationCodeParameters;