*
     * @return The environment for LDAP connection.
     */
    public Hashtable<String, String> getEnvironment() {
        return env;
    }

    @Override
    public boolean isEditable() {
        return ComponentUtil.getFessConfig().isLdapAdminEnabled(name);
    }

    private static String[] distinct(final String[] values) {
        if (values == null) {

        final String username = systemHelper.getUsername();
        runtime.registerData("username", username);
        runtime.registerData("editableUser", fessLoginAssist.getSavedUserBean().map(FessUserBean::isEditable).orElse(false));
        runtime.registerData("adminUser",
                fessConfig.isAdminUser(username) || fessLoginAssist.getSavedUserBean()