# File lib/aws/core/client.rb, line 158
      def new_request
        req = self.class::REQUEST_CLASS.new
        req.http_method = 'POST'
        req.headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=utf-8'
        req.add_param 'Timestamp', Time.now.utc.strftime('%Y-%m-%dT%H:%M:%SZ')
        req.add_param 'Version', self.class::API_VERSION
        req
      end