Drupal\Core\Controller

Utility base class for thin controllers.

ControllerResolver to enhance controllers beyond Symfony's basic handling.

Common base class for form interstitial controllers.

Wrapping controller for forms that serve as the main page body.

Provides the default implementation of the title resolver interface.

Extends the ControllerResolverInterface from symfony.

Defines a class which knows how to generate the title from a given route.