@Override
        public StringBuffer getRequestURL() {
            return null;
        }

        @Override
        public HttpSession getSession(boolean create) {
            return null;
        }

        @Override
        public HttpSession getSession() {
            return null;
        }

        @Override
        public String changeSessionId() {
            return null;

            break;
        default:
            messages.addErrorsBlankPassword(GLOBAL);
            break;
        }
    }

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

import org.lastaflute.web.response.next.HtmlNext;
import org.lastaflute.web.ruts.process.ActionRuntime;

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * Abstract base class for search-related actions in the Fess search application.
 * Provides common functionality for search operations, including search form handling,

import com.nimbusds.openid.connect.sdk.AuthenticationSuccessResponse;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * Microsoft Entra ID SSO authenticator implementation.
 * Handles OAuth2/OpenID Connect authentication flow with Entra ID.
 */
public class EntraIdAuthenticator implements SsoAuthenticator {

import org.lastaflute.web.util.LaResponseUtil;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;

/**
 * Authenticator for SAML 2.0.
 *
 * <p>This authenticator enables Single Sign-On (SSO) using SAML 2.0 protocol
 * with Identity Providers such as Okta, Azure AD, OneLogin, etc.</p>
 *

import org.lastaflute.web.LastaWebKey;
import org.lastaflute.web.util.LaRequestUtil;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;

import jakarta.servlet.http.HttpSession;

/**
 * Abstract base class for LLM client implementations.
 *
 * Provides shared infrastructure (HTTP client, availability checking) and

        public String getServletPath() {
            return "";
        }

        @Override
        public jakarta.servlet.http.HttpSession getSession(boolean create) {
            return null;
        }

        @Override
        public jakarta.servlet.http.HttpSession getSession() {
            return null;
        }

        @Override
        public String changeSessionId() {
            return null;

                return null;
            }

            @Override
            public jakarta.servlet.http.HttpSession getSession(boolean create) {
                return null;
            }

            @Override
            public jakarta.servlet.http.HttpSession getSession() {
                return null;
            }

            @Override
            public String changeSessionId() {

            throw new UnsupportedOperationException();
        }

        @Override
        public jakarta.servlet.http.HttpSession getSession(boolean create) {
            throw new UnsupportedOperationException();
        }

        @Override
        public jakarta.servlet.http.HttpSession getSession() {
            throw new UnsupportedOperationException();
        }

        @Override

                return "";
            }

            @Override
            public jakarta.servlet.http.HttpSession getSession(boolean create) {
                return null;
            }

            @Override
            public jakarta.servlet.http.HttpSession getSession() {
                return null;
            }

            @Override
            public String changeSessionId() {