}
        return buf.toString();
    }

    String getLdapAdminGroupObjectClasses();

    default Attribute getLdapAdminGroupObjectClassAttribute() {
        final Attribute oc = new BasicAttribute("objectClass");
        split(getLdapAdminGroupObjectClasses(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(s -> oc.add(s.trim())));
        return oc;
    }

     * comment: Object classes for LDAP admin group.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getLdapAdminGroupObjectClasses();

    /**
     * Get the value for the key 'ldap.admin.sync.password'. <br>
     * The value is, e.g. true <br>
     * comment: Whether to sync password for LDAP admin.