Devuan GNU+Linux is a free software operating system for your
computer. Free software means you are free to use, copy
and distribute, study, change the software, and share your
modifications with the community.
software freedom, your way
apt install libupower-glib-dev
libdevel : optional
abstraction for power management - development files
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 files that are needed to build applications.