* 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
    }

    /**

    private AuthenticationManager authenticationManager;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        authenticationManager = new AuthenticationManager();
    }

    // Test default constructor
    public void test_constructor() {
        AuthenticationManager manager = new AuthenticationManager();
        assertNotNull(manager);
    }

    private static final String QUERY_STRING_BUILDER = "queryStringBuilder";

    private static final String ACCESS_TOKEN_HELPER = "accessTokenHelper";

    private static final String AUTHENTICATION_MANAGER = "authenticationManager";

    private static final String THUMBNAIL_MANAGER = "thumbnailManager";

    private static final String SSO_MANAGER = "ssoManager";