return getComponent(PERMISSION_HELPER);
    }

    /**
     * Gets the SSO manager component.
     * @return The SSO manager.
     */
    public static SsoManager getSsoManager() {
        return getComponent(SSO_MANAGER);
    }

    /**
     * Gets the thumbnail manager component.
     * @return The thumbnail manager.
     */

     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        ComponentUtil.getSsoManager().register(this);
    }

    /**
     * Gets or creates the SPNEGO authenticator instance.
     *
     * This method implements lazy initialization with synchronization to ensure

     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", this.getClass().getSimpleName());
        }
        ComponentUtil.getSsoManager().register(this);
        groupCache = CacheBuilder.newBuilder().expireAfterWrite(groupCacheExpiry, TimeUnit.SECONDS).build();
    }

    @Override
    public LoginCredential getLoginCredential() {