if (user.getFessUser() instanceof SamlUser) {
            return LaRequestUtil.getOptionalRequest().map(request -> {
                if (logger.isDebugEnabled()) {
                    logger.debug("Logging out with SAML Authenticator");
                }
                final HttpServletResponse response = LaResponseUtil.getResponse();
                final SamlUser samlUser = (SamlUser) user.getFessUser();
                try {

    }

    @Override
    public String getUserId() {
        return nameId;
    }

    /**
     * Gets the SAML user.
     * @return The SAML user.
     */
    public SamlUser getUser() {
        return new SamlUser(nameId, sessionIndex, nameIdFormat, nameidNameQualifier, nameidSPNameQualifier, getDefaultGroupsAsArray(),
                getDefaultRolesAsArray());
    }

    /**