# File lib/aws/base_client.rb, line 156
    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