if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

    public void setGroups_Regexp(String groups) {
        setGroups_Regexp(groups, null);
    }

    public void setGroups_Regexp(String groups, ConditionOptionCall<RegexpQueryBuilder> opLambda) {
        RegexpQueryBuilder builder = regRegexpQ("groups", groups);

    String LDAP_ADMIN_GROUP_FILTER = "ldap.admin.group.filter";

    /** The key of the configuration. e.g. ou=Group,dc=fess,dc=codelibs,dc=org */
    String LDAP_ADMIN_GROUP_BASE_DN = "ldap.admin.group.base.dn";

    /** The key of the configuration. e.g. groupOfNames */
    String LDAP_ADMIN_GROUP_OBJECT_CLASSES = "ldap.admin.group.object.classes";