Binary package “shared-mime-info” in ubuntu bionic

FreeDesktop.org shared MIME database and spec

 This is the shared MIME-info database from the X Desktop Group. It is required
 by any program complying to the Shared MIME-Info Database spec, which is also
 included in this package.
 .
 At this time at least ROX, GNOME, KDE and Xfce use this database.