Expanded class hierarchy of OffCanvasRenderer in Drupal 8
- class \Drupal\Core\Render\MainContent\DialogRenderer implements MainContentRendererInterface
- class \Drupal\bootstrap4_modal\Render\MainContent\Bootstrap4ModalRenderer
- class \Drupal\Core\Render\MainContent\ModalRenderer
- class \Drupal\Core\Render\MainContent\OffCanvasRenderer