libdevel-refcount-perl software package provides Perl module to obtain the reference count of a variable, 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 libdevel-refcount-perl
libdevel-refcount-perl is installed in your system.
Make ensure the libdevel-refcount-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdevel-refcount-perl *
You will get with libdevel-refcount-perl package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Perl |
| Package | libdevel-refcount-perl |
| Version | 0.10-1+b5 [s390x], 0.10-1+b2 [ |
| Description | Perl module to obtain the reference count of a variable |
| Sub Section | Perl |