Celtics trade #30 overall pick Desmond Bane to the Memphis Grizzlies

Still waiting to see what the return is. Hearing it's a future pick. Need more details. Not one of these heavily protected 1sts that ends up becoming a 2nd or two 2nds please. Want a future 1st. It can be protected until 2030 for all I care. Ainge passed on Brandon Clarke to trade for this pick, so a future 2nd would suck.
Update 11:27PM:

It is what I feared: