assertEquals("\\28admin\\29", ldapManager.escapeLDAPSearchFilter("(admin)"));
        assertEquals("\\28objectClass=\\2a\\29", ldapManager.escapeLDAPSearchFilter("(objectClass=*)"));
    }

    @Test
    public void test_escapeLDAPSearchFilter_withNullByte() {
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();

    }

    String getLdapAdminUserObjectClasses();

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

    String getLdapAdminUserFilter();