* This class coordinates user operations across different authentication providers.
 */
public class AuthenticationManager {
    /** Array of authentication chains to process user operations. */
    protected AuthenticationChain[] chains = {};

    /**
     * Default constructor for AuthenticationManager.
     */
    public AuthenticationManager() {
        // Default constructor
    }

    /**

import org.apache.logging.log4j.Logger;
import org.codelibs.core.crypto.CachedCipher;
import org.codelibs.core.misc.DynamicProperties;
import org.codelibs.fess.api.WebApiManagerFactory;
import org.codelibs.fess.auth.AuthenticationManager;
import org.codelibs.fess.cors.CorsHandlerFactory;
import org.codelibs.fess.crawler.client.CrawlerClientCreator;
import org.codelibs.fess.crawler.client.CrawlerClientFactory;