# File lib/sprockets/rails/helper.rb, line 54
      def self.included(klass)
        if klass < Sprockets::Context
          klass.class_eval do
            alias_method :assets_environment, :environment
            def assets_manifest; end
            class_attribute :config, :assets_prefix, :digest_assets, :debug_assets
          end
        else
          klass.class_attribute(*VIEW_ACCESSORS)
        end
      end