6 files declare their use of ControllerResolverInterface in Drupal 9

ContextualLinkManager.php in core/lib/Drupal/Core/Menu/ContextualLinkManager.php

CustomAccessCheck.php in core/lib/Drupal/Core/Access/CustomAccessCheck.php

MenuLinkTree.php in core/lib/Drupal/Core/Menu/MenuLinkTree.php

PermissionHandler.php in core/modules/user/src/PermissionHandler.php

Renderer.php in core/lib/Drupal/Core/Render/Renderer.php

RouteBuilder.php in core/lib/Drupal/Core/Routing/RouteBuilder.php