/usr/share/perl5/MongoDBx/Class/ is in libmongodbx-class-perl 1.030002-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/MongoDBx/Class/Collection.pm
/usr/share/perl5/MongoDBx/Class/Connection.pm
/usr/share/perl5/MongoDBx/Class/ConnectionPool/
/usr/share/perl5/MongoDBx/Class/ConnectionPool.pm
/usr/share/perl5/MongoDBx/Class/ConnectionPool/Backup.pm
/usr/share/perl5/MongoDBx/Class/ConnectionPool/Rotated.pm
/usr/share/perl5/MongoDBx/Class/Cursor.pm
/usr/share/perl5/MongoDBx/Class/Database.pm
/usr/share/perl5/MongoDBx/Class/Document.pm
/usr/share/perl5/MongoDBx/Class/EmbeddedDocument.pm
/usr/share/perl5/MongoDBx/Class/Meta/
/usr/share/perl5/MongoDBx/Class/Meta/AttributeTraits.pm
/usr/share/perl5/MongoDBx/Class/Moose.pm
/usr/share/perl5/MongoDBx/Class/ParsedAttribute/
/usr/share/perl5/MongoDBx/Class/ParsedAttribute.pm
/usr/share/perl5/MongoDBx/Class/ParsedAttribute/DateTime.pm
/usr/share/perl5/MongoDBx/Class/Reference.pm
/usr/share/perl5/MongoDBx/Class/Tutorial.pod