_normalize_text

# File actionpack/lib/action_controller/metal/rendering.rb, line 103
      def _normalize_text(options)
        RENDER_FORMATS_IN_PRIORITY.each do |format|
          if options.key?(format) && options[format].respond_to?(:to_text)
            options[format] = options[format].to_text
          end
        end
      end