# File lib/dm-core/model/is.rb, line 19
      def is(plugin, *args, &block)
        generator_method = "is_#{plugin}".to_sym

        if respond_to?(generator_method)
          send(generator_method, *args, &block)
        else
          raise PluginNotFoundError, "could not find plugin named #{plugin}"
        end
      end