File: vendor/sensio/generator-bundle/Resources/skeleton/bundle/services.php.twig

<?php

{% block use_statements %}
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\DependencyInjection\Parameter;
{% endblock use_statements %}

/*

{% block services %}
$container->setDefinition(
    '{{ extension_alias }}.example',
    new Definition(
        '{{ namespace }}\Example',
        array(
            new Reference('service_id'),
            "plain_value",
            new Parameter('parameter_name'),
        )
    )
);
{% endblock services %}

*/