im-config software package provides Input method configuration framework, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install im-config
im-config is installed in your system.
Make ensure the im-config package were installed using the commands given below,
$ sudo dpkg-query -l | grep im-config *
You will get with im-config package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | X Window System software |
| Package | im-config |
| Version | 0.27-2 |
| Description | Input method configuration framework |
| Sub Section | x11 |