Man pages matching name pod::elemental::transformer::gatherer in section 3pm:

Pod::Elemental::Transformer::Gatherer.3pm.en	debian 10 / libpod-elemental-perl
Pod::Elemental::Transformer::Gatherer.3pm.en	debian 11 / libpod-elemental-perl
Pod::Elemental::Transformer::Gatherer.3pm.en	debian 12 / libpod-elemental-perl