Expanded class hierarchy of ImageUpload in Drupal 10
- class \Drupal\ckeditor5\Plugin\CKEditor5Plugin\ImageUpload extends \Drupal\ckeditor5\Plugin\CKEditor5PluginDefault implements \Drupal\ckeditor5\Plugin\CKEditor5PluginConfigurableInterface uses \Drupal\ckeditor5\Plugin\CKEditor5PluginConfigurableTrait, \Drupal\ckeditor5\Plugin\CKEditor5Plugin\DynamicPluginConfigWithCsrfTokenUrlTrait