parameters:
    foo: '%baz%'
    baz: bar
    bar: 'foo is %%foo bar'
    escape: '@@escapeme'
    values: [true, false, null, 0, 1000.3, 'true', 'false', 'null']

services:
    service_container:
        class: Symfony\Component\DependencyInjection\ContainerInterface
        public: true
        synthetic: true
    Psr\Container\ContainerInterface:
        alias: service_container
        public: false
    Symfony\Component\DependencyInjection\ContainerInterface:
        alias: service_container
        public: false