class Rails::Engine

def _all_load_paths(add_autoload_paths_to_load_path)
  @_all_load_paths ||= begin
    load_paths = config.paths.load_paths
    if add_autoload_paths_to_load_path
      load_paths += _all_autoload_paths
      load_paths += _all_autoload_once_paths
    end
    load_paths.uniq
  end
end