/usr/share/perl5/Debian/Debhelper/Sequence/perl_openssl.pm is in perl-openssl-defaults 3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | # perl_openssl.pm - debhelper addon for running dh_perl_openssl
#
# Copyright 2010, Ansgar Burchardt <ansgar@debian.org>
# Copyright 2016, Niko Tyni <ntyni@debian.org>
#
# This program is free software, you can redistribute it and/or modify it
# under the same terms as Perl itself.
use warnings;
use strict;
use Debian::Debhelper::Dh_Lib;
insert_after("dh_perl", "dh_perl_openssl");
1;
|