whmcsKerioEmail/vendor/symfony/dependency-injection/Tests/Fixtures/yaml/services_instanceof.yml

services:
    _instanceof:
        Symfony\Component\DependencyInjection\Tests\Loader\FooInterface:
            autowire: true
            lazy: true
            tags:
                - { name: foo }
                - { name: bar }

    Symfony\Component\DependencyInjection\Tests\Loader\Foo: ~