$dbUserFields = \Bitrix\Main\UserTable::getList(array(
));
$adminUsers = \Bitrix\Main\UserTable::getList([
'filter' => [
'GROUPS.GROUP_ID' => [1]
]
])->fetchAll();
(new OneToMany('GROUPS', UserGroupTable::class, 'USER'))
->configureJoinType(Join::TYPE_INNER),