Souke/domain/User/UserGroup/UserGroupBuilder.php

<?php

namespace domain\User\UserGroup;

use domain\_\AbstractBuilder;

class UserGroupBuilder extends AbstractBuilder
{
    public function instanciateUserGroup(): UserGroup
    {
        $userGroup = new UserGroup();

        return $userGroup;
    }

    public function createUserGroup(): UserGroup
    {
        $userGroup = $this->instanciateUserGroup();
        $this->create($userGroup);

        return $userGroup;
    }
}