refer to screenshot, it is part of the UiPath.System.Activities the same package used in Studio / Studio Pro. It’s a question of filtering the activities. I did use following:
So still with this Version 19.X.X it was possible to create the screenshots
The docu screenshots shows the filter option at least on version 2020.4:
But as you mentioned with a for each iterating over directory.getFiles… result similar can be achieved.