6 files declare their use of CKEditorPluginBase in Drupal 9
- DrupalImage.php in core/
modules/ ckeditor/ src/ Plugin/ CKEditorPlugin/ DrupalImage.php - DrupalLink.php in core/
modules/ ckeditor/ src/ Plugin/ CKEditorPlugin/ DrupalLink.php - DrupalMediaLibrary.php in core/
modules/ media_library/ src/ Plugin/ CKEditorPlugin/ DrupalMediaLibrary.php - Internal.php in core/
modules/ ckeditor/ src/ Plugin/ CKEditorPlugin/ Internal.php - Language.php in core/
modules/ ckeditor/ src/ Plugin/ CKEditorPlugin/ Language.php - StylesCombo.php in core/
modules/ ckeditor/ src/ Plugin/ CKEditorPlugin/ StylesCombo.php