gnome-panel-dbg software package provides GNOME Panel and library for panel applets - debugging symbols, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gnome-panel-dbg
gnome-panel-dbg is installed in your system.
Make ensure the gnome-panel-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnome-panel-dbg *
You will get with gnome-panel-dbg package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Library development |
| Package | gnome-panel-dbg |
| Version | 1:3.18.2-1ubuntu1 |
| Description | GNOME Panel and library for panel applets - debugging symbols |
| Sub Section | Devel |