gir1.2-upowerglib-1.0 0.9.15-3git1ubuntu0.1 (amd64 binary) in ubuntu precise

 upower provides an interface to enumerate power sources on the system
 and control system-wide power management. Any application can access the
 org.freedesktop.UPower service on the system message bus. Some
 operations (such as suspending the system) are restricted using PolicyKit.
 .
 This package contains introspection data for upower.
 .
 It can be used by packages using the GIRepository format to generate
 dynamic bindings.