Man pages matching name html::template::dumper::data_dumper in section 3pm:

HTML::Template::Dumper::Data_Dumper.3pm.en	debian 10 / libhtml-template-dumper-perl
HTML::Template::Dumper::Data_Dumper.3pm.en	debian 11 / libhtml-template-dumper-perl
HTML::Template::Dumper::Data_Dumper.3pm.en	debian 12 / libhtml-template-dumper-perl