}
        return buf.toString();
    }

    String getLdapAdminRoleObjectClasses();

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

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

    /**
     * Get the value for the key 'ldap.admin.group.filter'. <br>
     * The value is, e.g. cn=%s <br>
     * comment: Group filter for LDAP admin.