def helpers
      @helpers ||= begin
        helpers = Module.new
        all = ActionController::Base.all_helpers_from_path(helpers_paths)
        ActionController::Base.modules_for_helpers(all).each do |mod|
          helpers.include(mod)
        end
        helpers
      end
    end
def helpers
      @helpers ||= begin
        helpers = Module.new
        all = ActionController::Base.all_helpers_from_path(helpers_paths)
        ActionController::Base.modules_for_helpers(all).each do |mod|
          helpers.include(mod)
        end
        helpers
      end
    end
Returns a module with all the helpers defined for the engine.