gir1.2-budgie-desktop-1.0 software package provides GNOME introspection library for budgie-desktop, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gir1.2-budgie-desktop-1.0
gir1.2-budgie-desktop-1.0 is installed in your system.
Make ensure the gir1.2-budgie-desktop-1.0 package were installed using the commands given below,
$ sudo dpkg-query -l | grep gir1.2-budgie-desktop-1.0 *
You will get with gir1.2-budgie-desktop-1.0 package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Introspection |
| Package | gir1.2-budgie-desktop-1.0 |
| Version | 10.2.8-1 |
| Description | GNOME introspection library for budgie-desktop |
| Sub Section | Introspection |