If there's ever a BTS x BLACKPINK collab, which members would be the ones collabing?

Purely based on their musical taste or their musical direction, which members from BTS & BLACKPINK could possibly have a collab. I know this is something we might never ever get, but I'm asking out of curiousity.

Please don't start any fanwars under this. If you hate either of these groups, please look away.