Expanded class hierarchy of LlamaContextualAndButton in Drupal 9
- class \Drupal\ckeditor_test\Plugin\CKEditorPlugin\LlamaContextualAndButton extends \Drupal\ckeditor_test\Plugin\CKEditorPlugin\Llama implements CKEditorPluginButtonsInterface, CKEditorPluginConfigurableInterface, CKEditorPluginContextualInterface