If you're offered an intercompany transfer, why don't you counteroffer with something like: "I'd love a change to test-drive the day-to-day aspects of the job

If you're offered an intercompany transfer, why don't you counteroffer with something like: "I'd love a change to test-drive the day-to-day aspects of the job before I can give a full-throated yes. Why don't I spend a month in this new role before we proceed?"