Man pages matching name http::tiny::multipart in section 3pm:

HTTP::Tiny::Multipart.3pm.en	debian 10 / libhttp-tiny-multipart-perl
HTTP::Tiny::Multipart.3pm.en	debian 11 / libhttp-tiny-multipart-perl
HTTP::Tiny::Multipart.3pm.en	debian 12 / libhttp-tiny-multipart-perl