accepts

# File actionpack/lib/action_dispatch/http/mime_negotiation.rb, line 54
      def accepts
        fetch_header("action_dispatch.request.accepts") do |k|
          header = get_header("HTTP_ACCEPT").to_s.strip

          v = if header.empty?
            [content_mime_type]
          else
            Mime::Type.parse(header)
          end
          set_header k, v
        rescue ::Mime::Type::InvalidMimeType => e
          raise InvalidType, e.message
        end
      end