services:
    _defaults:
        autowire: true
        autoconfigure: true

    # Hide the fully qualified Greeting class name from public view
    # but give the class an alias. This alias will be made public instead.
    #
    # Read the documentation to see why we do this:
    # https://symfony.com/doc/current/service_container/autowiring.html#service-autowiring-alias
    #
    Pcm\ExampleBundle\Greeting:
        public: false
        alias: pcm_example.greeting


    # Mark the alias we created as public.
    pcm_example.greeting:
        public: true
        class: Pcm\ExampleBundle\Greeting


    # If we were defining a twig extension, we'd want to add the twig.runtime tag
    # so it loads correctly.
    #
    # Pcm\ExampleBundle\SomeTwigRuntime
    #      tags:
    #          - { name: twig.runtime }