Virtual package x-session-manager is provided by:
dpkg-query: no packages found matching sugar-session dpkg-query: no packages found matching ukui-session-manager Desired=Unknown/Install/Remove/Purge/Hold ||/ Name Version Architecture +++-=======================-==================-==================================== ii cinnamon-session 5.6.0-1 amd64 Cinnamon Session Manager - Minimal runtime ii gnome-session 43.0-1+deb12u1 all GNOME Session Manager - GNOME 3 session ii gnome-session-flashback 3.46.0-1 all traditional desktop session based on GNOME technologies ii lxqt-session 1.2.0-3 amd64 session manager component for LXQt ii lxsession 0.5.5-2+b1 amd64 LXDE default session manager ii mate-session-manager 1.26.0-1+deb12u1 amd64 Session manager of the MATE desktop environment ii openbox 3.6.1-10 amd64 standards-compliant, fast, light-weight and extensible window manager ii openbox-lxde-session 0.99.2-4 all LXDE session manager and configuration files ii plasma-workspace 4:5.27.5-2+deb12u1 amd64 Plasma Workspace for KF5 ii xfce4-session 4.18.1-1 amd64 Xfce4 Session Manager 10 packages