Sample import files

Can the author please provide sample csv files so that we know how to structure the csv for import?

I don’t really expect a response as the author doesn’t seem to provide any answers – the below topic hasn’t been responded to for over a year.
https://ww.wp.xz.cn/support/topic/how-to-install-ultimate-woocommerce-csv-importer-using-php-do_action/