UrlGeneratorInterface

class \Drupal\Core\Render\MetadataBubblingUrlGenerator implements \Drupal\Core\Routing\UrlGeneratorInterface
class \Drupal\Core\Routing\NullGenerator extends \Drupal\Core\Routing\UrlGenerator
class \Drupal\Core\Routing\UrlGenerator implements \Drupal\Core\Routing\UrlGeneratorInterface
class \Drupal\help_test\SupernovaGenerator implements \Drupal\Core\Routing\UrlGeneratorInterface

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.