# File src/ruby_supportlib/phusion_passenger/utils/file_system_watcher.rb, line 124
          def initialize(filename, stat)
            @filename = filename
            @stat = stat
            @subfiles = {}
            Dir.foreach(filename) do |entry|
              next if entry == DOT || entry == DOTDOT
              subfilename = "#{filename}/#{entry}"
              @subfiles[entry] = FileInfo.new(subfilename, File.stat(subfilename))
            end
          end