_normalize_render

# File actionpack/lib/abstract_controller/rendering.rb, line 122
    def _normalize_render(*args, &block)
      options = _normalize_args(*args, &block)
      #TODO: remove defined? when we restore AP <=> AV dependency
      if defined?(request) && !request.nil? && request.variant.present?
        options[:variant] = request.variant
      end
      _normalize_options(options)
      options
    end