Man pages matching name dpkg::changelog::entry::debian in section 3perl:

Dpkg::Changelog::Entry::Debian.3perl.en	debian 10 / libdpkg-perl
Dpkg::Changelog::Entry::Debian.3perl.en	debian 11 / libdpkg-perl
Dpkg::Changelog::Entry::Debian.3perl.en	debian 12 / libdpkg-perl