All classes that implement WidgetValidationInterface in Entity Browser 8.2
- class \Drupal\entity_browser\Plugin\EntityBrowser\WidgetValidation\Cardinality
- class \Drupal\entity_browser\Plugin\EntityBrowser\WidgetValidation\EntityType
- class \Drupal\entity_browser\Plugin\EntityBrowser\WidgetValidation\File
- class \Drupal\entity_browser\WidgetValidationBase implements ContainerFactoryPluginInterface, WidgetValidationInterface