Expanded class hierarchy of FileUpload in Lightning Media 8.3
- class \Drupal\lightning_media\Plugin\EntityBrowser\Widget\EntityFormProxy extends \Drupal\entity_browser\WidgetBase
- class \Drupal\lightning_media\Plugin\EntityBrowser\Widget\EmbedCode
- class \Drupal\lightning_media\Plugin\EntityBrowser\Widget\FileUpload