Delete Web Page Cache in CI4

I am using Full Page caching:
https://codeigniter.com/userguide4/general/caching.html

It works perfectly.

Now I need to delete a specific page cache.
CI3 has a delete_cache() method to do that but I cannot find one for CI4:
https://codeigniter.com/userguide3/general/caching.html

Am I missing something?

Ben.