I did an AF-AF D-I on 12/31 from 2G to 2E-L. I would say door to lounge was less than 30 minutes but passport control had no line. The orange shuttle at 2G was running to 2F airside so no security check required. Passport control had a line dragon but missed the PARAFE logo on the BP. Regardless the queue was only 1 person deep.

Considering all the bad things I read about this transfer I would say it was very easy with the airside shuttle. Probably net less walking than AMS and faster with zero line at passport control.