/usr/lib/ruby/vendor_ruby/action_dispatch/journey.rb is in ruby-actionpack 2:4.2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | require 'action_dispatch/journey/router'
require 'action_dispatch/journey/gtg/builder'
require 'action_dispatch/journey/gtg/simulator'
require 'action_dispatch/journey/nfa/builder'
require 'action_dispatch/journey/nfa/simulator'
|