code: def record_split_class(main_file, *files)
        if @reloader
          files = Unreloader.expand_paths(files)
          files.each do |file|
            record_dependency(file, main_file)
          end
          @reloader.skip_reload(files)
        end
      end
docs: Record that a class is split into multiple files. +main_file+ should be
   the main file for the class, which should require all of the other
   files.  +files+ should be a list of all other files that make up the class.