Quick autowire named config argument

JsonSerializer.php

<?php

class JsonSerializer implements SerializerInterface
{
    public function serialize()
    {
        // do json
    }
}

LoanSerializer.php

<?php

class LoanSerializer
{
    /** SerializerInterface **/
    private $serializer;

    public function __construct(SerializerInterface $serializer)
    {
        $this->serializer = $serializer;
    }
}

SerializerInterface.php

<?php

interface SerializerInterface
{
  public function serialize();
}

services.yaml

LoanSerializer:
    autowire: true
    arguments:
        $serializer: JsonSerializer

XmlSerializer.php

<?php

class XmlSerializer implements SerializerInterface
{
    public function serialize()
    {
        // do xml
    }
}