Nothing, bribes are only used for volunteers. This was a forceful deportation.

https://samnytt.se/hej-da-mohammed-har-lyfter-atervandringsplanet-till-bagdad

And another one:

https://samnytt.se/hej-da-kitutu-gangledare-utvisas-efter-34-ar-i-sverige

And another one:

https://samnytt.se/hej-da-mohamed-hovratten-utvisar-valdtaktsman-till-syrien (paywall)

And another one:

https://samnytt.se/hej-da-ali-och-hussain-utvisas-pa-livstid-for-korankravaller

It goes on like that, conservative media publishes these articles every now and then "Bye bye <name-of-illegal>" just to rub it in. Passport revoked in all cases obviously and bio-metric data collected. Unless they return with no hands, it's instant deportation, which would be the case anyway as in the rare case they're retarded enough to try they come without passport, which means instant deportation.