All classes that implement RouteEnhancerInterface

class \Drupal\Core\Entity\Enhancer\EntityFormEnhancer implements RouteEnhancerInterface
class \Drupal\Core\ParamConverter\ParamConverterManager implements RouteEnhancerInterface
class \Drupal\Core\Routing\Enhancer\AjaxEnhancer implements RouteEnhancerInterface
class \Drupal\Core\Routing\Enhancer\ContentControllerEnhancer implements RouteEnhancerInterface
class \Drupal\Core\Routing\Enhancer\FormEnhancer implements RouteEnhancerInterface
class \Symfony\Cmf\Component\Routing\Enhancer\FieldByClassEnhancer implements RouteEnhancerInterface
class \Symfony\Cmf\Component\Routing\Enhancer\FieldMapEnhancer implements RouteEnhancerInterface
class \Symfony\Cmf\Component\Routing\Enhancer\FieldPresenceEnhancer implements RouteEnhancerInterface
class \Symfony\Cmf\Component\Routing\Enhancer\RouteContentEnhancer implements RouteEnhancerInterface

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