libglib2.0-dev 2.68.4-1 (amd64 binary) in ubuntu impish

 GLib is a library containing many useful C routines for things such
 as trees, hashes, lists, and strings. It is a useful general-purpose
 C library used by projects such as GTK+, GIMP, and GNOME.
 .
 This package is needed to compile programs against libglib2.0-0,
 as only it includes the header files and static libraries (optionally)
 needed for compiling.
 .
 GObject-Introspection metadata for this library can be found in the
 libgirepository1.0-dev package.