Why does iOS setting page have an iCloud option?

The advanced settings for iOS build allows us to state a reason for wanting Photos access.
But it also has an option for iCloud.
A Xojo iOS app has no way to access files in iCloud - what could it possibly use this setting for?

It allows you to turn on various iCloud Services entitlements. Xojo itself doesn’t have any iCloud support built-in, but plugins or Declares could possibly add support.

I wish they would