Virtual package vnc-viewer is provided by:
dpkg-query: no packages found matching tightvnc-java dpkg-query: no packages found matching xtightvncviewer Desired=Unknown/Install/Remove/Purge/Hold ||/ Name Version Architecture +++-===============-=============-==================================== ii tigervnc-viewer 1.12.0+dfsg-8 amd64 Virtual network computing client for X 1 packages