public TestLoginCredentialResolver() {
            super(null); // Pass null since we're mocking
        }

        @Override
        public <CREDENTIAL extends LoginCredential> void resolve(final Class<CREDENTIAL> credentialType,
                final Function<CREDENTIAL, OptionalEntity<FessUser>> oneArgLambda) {
            this.resolveCalled = true;
            this.lastCredentialType = credentialType;

        };

        // Verify SSO is available
        assertTrue(ssoManager.available());

        // Verify login credential retrieval
        LoginCredential credential = ssoManager.getLoginCredential();
        assertNotNull(credential);
        assertEquals("samluser", ((TestLoginCredential) credential).username);

        // Verify response retrieval

import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.login.credential.LoginCredential;

import com.microsoft.aad.msal4j.IAccount;
import com.microsoft.aad.msal4j.IAuthenticationResult;

/**
 * Microsoft Entra ID credential implementation for Fess authentication.
 * Provides login credential functionality using Entra ID authentication results.
 */

    }

    /**
     * Attempts to obtain login credentials using the configured SSO authenticator.
     *
     * @return The login credential from SSO authentication, or null if SSO is not available
     *         or no credential could be obtained
     */
    public LoginCredential getLoginCredential() {
        if (available()) {
            final SsoAuthenticator authenticator = getAuthenticator();

        }

    }

    /**
     * Resolves the SPNEGO credential to a user entity.
     *
     * This method handles the resolution of SPNEGO credentials by checking
     * if the user is an admin user or needs to be authenticated through LDAP.
     *
     * @param resolver The credential resolver to use for user lookup
     */
    @Override

    public void test_getLoginCredential_withRequest() {
        // With a request context, should return ActionResponseCredential for OAuth redirect
        final var credential = authenticator.getLoginCredential();
        assertNotNull(credential);
        assertTrue(credential instanceof ActionResponseCredential);
    }

    @Test
    public void test_parseJwtClaim_nestedArray() throws IOException {

    }

    /**
     * Log the login failure activity.
     * @param credential The credential.
     */
    public void loginFailure(final OptionalThing<LoginCredential> credential) {
        final Map<String, String> valueMap = new LinkedHashMap<>();
        valueMap.put("action", Action.LOGIN_FAILURE.name());
        credential.ifPresent(c -> {
            valueMap.put("class", c.getClass().getSimpleName());

            }

        }).orElse(null);
    }

    /**
     * Creates a login credential.
     * @param request The HTTP request.
     * @param response The HTTP response.
     * @param auth The SAML authentication.
     * @return The login credential.
     */

 * methods specific to the Fess application.
 */
public class SystemUtil extends org.codelibs.core.lang.SystemUtil {

    private static final String DEFAULT_SENSITIVE_PATTERN = ".*password.*|.*secret.*|.*key.*|.*token.*|.*credential.*|.*auth.*|.*private.*";

    private static volatile Pattern sensitivePattern;

    /**
     * Private constructor to prevent instantiation.
     */
    private SystemUtil() {
    }

    /**

    }

    @Override
    public void resolveCredential(final LoginCredentialResolver resolver) {
        resolver.resolve(OpenIdConnectCredential.class, credential -> OptionalEntity.of(credential.getUser()));
    }

    @Override
    public ActionResponse getResponse(final SsoResponseType responseType) {
        return null;
    }

    @Override