Man pages matching name pdf::builder::resource::font::corefont::helveticaboldoblique in section 3pm:

PDF::Builder::Resource::Font::CoreFont::helveticaboldoblique.3pm.en	debian 11 / libpdf-builder-perl
PDF::Builder::Resource::Font::CoreFont::helveticaboldoblique.3pm.en	debian 12 / libpdf-builder-perl