gir1.0-glib-2.0 0.9.12+git20101124-0ubuntu2 (amd64 binary) in ubuntu natty

 GObject Introspection is a project for providing machine readable
 introspection data of the API of C libraries. This introspection
 data can be used in several different use cases, for example
 automatic code generation for bindings, API verification and documentation
 generation.
 .
 GObject Introspection contains tools to generate and handle the
 introspection data.
 .
 This package contains the introspection data for the GLib, GObject,
 GModule and Gio libraries.