# File lib/rack/adapter/rails.rb, line 72
      def self.rack_based?
        rails_version = ::Rails::VERSION
        return false if rails_version::MAJOR < 2
        return false if rails_version::MAJOR == 2 && rails_version::MINOR < 2
        return false if rails_version::MAJOR == 2 && rails_version::MINOR == 2 && rails_version::TINY < 3
        true # >= 2.2.3
      end