Man pages matching name mongodb::gridfsbucket::downloadstream in section 3pm:

MongoDB::GridFSBucket::DownloadStream.3pm.en	debian 10 / libmongodb-perl
MongoDB::GridFSBucket::DownloadStream.3pm.en	debian 11 / libmongodb-perl
MongoDB::GridFSBucket::DownloadStream.3pm.en	debian 12 / libmongodb-perl