*/
    protected SsoAuthenticator getAuthenticator() {
        String ssoType = getSsoType();
        // Backward compatibility: map legacy "aad" (Azure AD) to "entraid" (Entra ID)
        if ("aad".equals(ssoType)) {
            ssoType = "entraid";
        }
        final String name = ssoType + "Authenticator";
        if (ComponentUtil.hasComponent(name)) {

        }

        if (!Constants.AUTO.equalsIgnoreCase(osddLinkEnabled)) {
            return false;
        }

        final String ssoType = fessConfig.getSsoType();
        return StringUtil.isBlank(ssoType) || Constants.NONE.equalsIgnoreCase(ssoType);
    }

    /**
     * Checks if the OpenSearch file exists.
     *
     * @return true if the OpenSearch file exists
     */