AbstractService.php

<?php

abstract class AbstractService
{
    public function __construct($required1, $required2)
    {
        // ...
    }
}

ConcreteService.php

<?php

class ConcreteService extends AbstractService
{
    public function __construct($required1, $required2, $required3)
    {
        parent::__construct($required1, $required2);
        
        // ...
    }
}

services.xml

<service id="abstract.service" abstract="true" class="AbstractService">
    <argument type="service" id="required1" />
    <argument type="service" id="required2" />
</service>

<service id="concrete.service" parent="abstract.service" class="ConcreteService">
    <argument type="service" id="required3" />
</service>