/usr/ is in ruby-acts-as-api 0.4.2-1.
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/acts_as_api/
/usr/lib/ruby/vendor_ruby/acts_as_api/version.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/base.rb
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/lib/ruby/vendor_ruby/acts_as_api/api_template.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/rendering.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/array.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/exceptions.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/rails_renderer.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/config.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/adapters/
/usr/lib/ruby/vendor_ruby/acts_as_api/adapters/mongoid.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/adapters.rb
/usr/lib/ruby/vendor_ruby/acts_as_api/responder.rb
/usr/lib/ruby/vendor_ruby/acts_as_api.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-acts-as-api/
/usr/share/doc/ruby-acts-as-api/copyright
/usr/share/doc/ruby-acts-as-api/changelog.gz
/usr/share/doc/ruby-acts-as-api/TODO.Debian
/usr/share/doc/ruby-acts-as-api/changelog.Debian.gz
/usr/share/rubygems-integration/all/specifications/acts_as_api-0.4.2.gemspec