# File lib/active_support/vendor/xml-simple-1.0.11/xmlsimple.rb, line 41
    def restore_storable(filename)
      cache_file = get_cache_filename(filename)
      return nil unless File::exist?(cache_file)
      return nil unless File::mtime(cache_file).to_i > File::mtime(filename).to_i
      data = nil
      File.open(cache_file) { |f| data = Marshal.load(f) }
      data
    end