19 declare(strict_types=1);
    27     $transformation = 
$refinery->to()->recordOf(
    29             'user_id' => 
new \
ILIAS\
Refinery\To\Transformation\IntegerTransformation(),
    30             'points' => 
new \
ILIAS\
Refinery\To\Transformation\IntegerTransformation()
    34     $result = $transformation->transform([
'user_id' => 5, 
'points' => 1]);
    36     return assert([
'user_id' => 5, 
'points' => 1] === $result);
 
Interface Observer  Contains several chained tasks and infos about them.