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

            } else {
                final BasicAttributes entry = new BasicAttributes();
                addGroupAttributes(entry, group);
                final Attribute oc = fessConfig.getLdapAdminGroupObjectClassAttribute();
                entry.put(oc);
                insert(entryDN, entry, adminEnv);
            }
        });
    }

    /**
     * Modifies group attributes in the LDAP directory.