/usr/share/perl5/ is in libforest-perl 0.10-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Forest/
/usr/share/perl5/Forest/Tree.pm
/usr/share/perl5/Forest/Tree/
/usr/share/perl5/Forest/Tree/Reader.pm
/usr/share/perl5/Forest/Tree/Reader/
/usr/share/perl5/Forest/Tree/Reader/SimpleTextFile.pm
/usr/share/perl5/Forest/Tree/Constructor.pm
/usr/share/perl5/Forest/Tree/Writer/
/usr/share/perl5/Forest/Tree/Writer/ASCIIWithBranches.pm
/usr/share/perl5/Forest/Tree/Writer/SimpleHTML.pm
/usr/share/perl5/Forest/Tree/Writer/SimpleASCII.pm
/usr/share/perl5/Forest/Tree/Loader/
/usr/share/perl5/Forest/Tree/Loader/SimpleUIDLoader.pm
/usr/share/perl5/Forest/Tree/Roles/
/usr/share/perl5/Forest/Tree/Roles/MetaData.pm
/usr/share/perl5/Forest/Tree/Roles/LoadWithMetaData.pm
/usr/share/perl5/Forest/Tree/Roles/JSONable.pm
/usr/share/perl5/Forest/Tree/Roles/HasNodeFormatter.pm
/usr/share/perl5/Forest/Tree/Writer.pm
/usr/share/perl5/Forest/Tree/Builder/
/usr/share/perl5/Forest/Tree/Builder/SimpleTextFile.pm
/usr/share/perl5/Forest/Tree/Builder/Callback.pm
/usr/share/perl5/Forest/Tree/Pure.pm
/usr/share/perl5/Forest/Tree/Loader.pm
/usr/share/perl5/Forest/Tree/Indexer/
/usr/share/perl5/Forest/Tree/Indexer/SimpleUIDIndexer.pm
/usr/share/perl5/Forest/Tree/Builder.pm
/usr/share/perl5/Forest/Tree/Indexer.pm
/usr/share/perl5/Forest.pm