Virtual package xdg-desktop-portal-backend is provided by:
Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture +++-========================-==========-==================================== un xdg-desktop-portal-gnome <none> <none> (no description available) ii xdg-desktop-portal-gtk 1.14.1-1 amd64 GTK+/GNOME portal backend for xdg-desktop-portal un xdg-desktop-portal-kde <none> <none> (no description available) un xdg-desktop-portal-wlr <none> <none> (no description available) 4 packages