ImportModel::customFinalization PHP Method

    public function customFinalization()
    {
        $this->setRoleDefaults();
        PermissionModel::resetAllRoles();
        // Remove invalid relation between non existing users/roles
        RoleModel::cleanUserRoles();
        $Imp = $this->getCustomImportModel();
        if ($Imp !== null) {
            $Imp->afterImport();
        }
        return true;
    }