We've introduced a new way to configure PHP tools on Symfony DI. A way that is decoupled brings new methods with autocomplete and validates your input. I talk about [RectorConfig](https://getrector.com/blog/new-in-rector-012-introducing-rector-config-with-autocomplete) and [ECSConfig](https://tomasvotruba.com/blog/new-in-ecs-simpler-config/). At first, I thought it was not possible. Symfony is very strict about this and does not allow any extensions. After a few days of hacking Symfony, I fou...
