# File lib/librarian/dsl/target.rb, line 90
      def scope
        currents = { }
        SCOPABLES.each do |scopable|
          currents[scopable] = instance_variable_get("@#{scopable}""@#{scopable}").dup
        end
        yield
      ensure
        SCOPABLES.reverse.each do |scopable|
          instance_variable_set("@#{scopable}""@#{scopable}", currents[scopable])
        end
      end