/** Maximum depth for processing nested groups to prevent infinite loops. */
    protected int maxGroupDepth = 10;

    /** Use V2 endpoint. */
    protected boolean useV2Endpoint = true;

    /**
     * Initializes the Entra ID authenticator.
     * Registers this authenticator with the SSO manager and sets up group cache.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {

     * The property key for the SAML SP base URL.
     */
    protected static final String SAML_SP_BASE_URL = "saml.sp.base.url";

    private Map<String, Object> defaultSettings;

    /**
     * Initializes the SamlAuthenticator.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }

    /** JSON factory for OpenID Connect response parsing. */
    protected final JsonFactory jsonFactory = GsonFactory.getDefaultInstance();

    /**
     * Initializes the OpenID Connect authenticator.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }

    /** A set of names of threads that are currently waiting. */
    protected Set<String> waitingThreadNames = Collections.synchronizedSet(new HashSet<>());

    /**
     * Initializes the SystemHelper.
     * This method sets up system properties, caches, and other initial configurations.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {