Scalr\Tests\Functional\Api\V2\SpecSchema\DataTypes\AbstractSpecObject::__set PHP Метод

Magic setter. If the name begins with the 'x-' function will delete this section

public __set ( string $name, mixed $value )
$name	string	property name
$value	mixed	property value

    public function __set($name, $value)
    {
        $name = ltrim($name, 'x-');
        $this->{$name} = $value;
    }

AbstractSpecObject