It’s way too early to have the details ironed out at this moment.
The important thing is to put on the table what European is capable of, when the new US administration’s negotiating method is to act all big and tough, then deflate like a balloon (completely with the pfffbfbtbtbtbt sound).
How many times does the US administration have to repeat it for it to stop being an accident.
They’ve done this with the national nuclear stockpile also: fire nearly everyone and try to figure out who they need based on what they broke.