iPhone X has begun a trend for companies using dark wallpapers to hide (or at least cloudy) screen slots. It became clear as the first press visualized that Samsung also used this tactic to make the hole of the Galaxy S10 smaller than the eyes. But, as it turns out, you can actually embrace the design of the holes by referring to the appropriate background.
Matt B (@Mattcabb) on Twitter has released a series of wallpaper models showing how the S1
Matt did not provide actual wallpaper images, probably because someone still does not have the Galaxy S10, but I'm sure someone will do it soon enough