Man pages matching name pdf::builder::resource::xobject::form::barcode::code3of9 in section 3pm:

PDF::Builder::Resource::XObject::Form::BarCode::code3of9.3pm.en	debian 11 / libpdf-builder-perl
PDF::Builder::Resource::XObject::Form::BarCode::code3of9.3pm.en	debian 12 / libpdf-builder-perl