/usr/ is in ruby-api-pagination 4.2.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/grape/
/usr/lib/ruby/vendor_ruby/grape/pagination.rb
/usr/lib/ruby/vendor_ruby/rails/
/usr/lib/ruby/vendor_ruby/rails/pagination.rb
/usr/lib/ruby/vendor_ruby/api-pagination/
/usr/lib/ruby/vendor_ruby/api-pagination/version.rb
/usr/lib/ruby/vendor_ruby/api-pagination/configuration.rb
/usr/lib/ruby/vendor_ruby/api-pagination/hooks.rb
/usr/lib/ruby/vendor_ruby/api-pagination.rb
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/api-pagination-4.2.0.gemspec
/usr/share/doc/
/usr/share/doc/ruby-api-pagination/
/usr/share/doc/ruby-api-pagination/changelog.Debian.gz
/usr/share/doc/ruby-api-pagination/README.md.gz
/usr/share/doc/ruby-api-pagination/copyright