EventDispatcher Component=========================The EventDispatcher component provides tools that allow your applicationcomponents to communicate with each other by dispatching events and listening tothem.Resources--------- *[Documentation](https://symfony.com/doc/current/components/event_dispatcher.html) *[Contributing](https://symfony.com/doc/current/contributing/index.html) *[Report issues](https://github.com/symfony/symfony/issues) and[send Pull Requests](https://github.com/symfony/symfony/pulls) in the [main Symfony repository](https://github.com/symfony/symfony)