8 files declare their use of ActionBase in Drupal 9
- BatchUserAction.php in core/
modules/ views/ tests/ modules/ user_batch_action_test/ src/ Plugin/ Action/ BatchUserAction.php - BlockUser.php in core/
modules/ user/ src/ Plugin/ Action/ BlockUser.php - CancelUser.php in core/
modules/ user/ src/ Plugin/ Action/ CancelUser.php - EntityActionBase.php in core/
lib/ Drupal/ Core/ Action/ Plugin/ Action/ EntityActionBase.php - FieldUpdateActionBase.php in core/
lib/ Drupal/ Core/ Field/ FieldUpdateActionBase.php - NoType.php in core/
modules/ system/ tests/ modules/ action_test/ src/ Plugin/ Action/ NoType.php - SaveEntity.php in core/
modules/ system/ tests/ modules/ action_test/ src/ Plugin/ Action/ SaveEntity.php - UnblockUser.php in core/
modules/ user/ src/ Plugin/ Action/ UnblockUser.php