buf.append(',').append(getLdapAdminUserBaseDn());
        }
        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())));

                final BasicAttributes entry = new BasicAttributes();
                addRoleAttributes(entry, role);
                final Attribute oc = fessConfig.getLdapAdminRoleObjectClassAttribute();
                entry.put(oc);
                insert(entryDN, entry, adminEnv);
            }
        });

    }

    /**