Man pages matching name plucene::index::segmentmergeinfo in section 3pm:

Plucene::Index::SegmentMergeInfo.3pm.en	debian 10 / libplucene-perl
Plucene::Index::SegmentMergeInfo.3pm.en	debian 11 / libplucene-perl
Plucene::Index::SegmentMergeInfo.3pm.en	debian 12 / libplucene-perl