def adjust_for_elb(resp)
      return resp unless from_elb?

      # ELB requires statusCode to be an Integer whereas API Gateway requires statusCode to be a String
      status = resp["statusCode"] = resp["statusCode"].to_i

      # ELB also requires statusDescription attribute
      status_desc = Rack::Utils::HTTP_STATUS_CODES[status]
      status_desc = status_desc.nil? ? status.to_s : "#{status} #{status_desc}"
      resp["statusDescription"] = status_desc

      resp
    end
def adjust_for_elb(resp)
      return resp unless from_elb?

      # ELB requires statusCode to be an Integer whereas API Gateway requires statusCode to be a String
      status = resp["statusCode"] = resp["statusCode"].to_i

      # ELB also requires statusDescription attribute
      status_desc = Rack::Utils::HTTP_STATUS_CODES[status]
      status_desc = status_desc.nil? ? status.to_s : "#{status} #{status_desc}"
      resp["statusDescription"] = status_desc

      resp
    end
Note: ELB is not officially support. This is just in case users wish to manually
 connect ELBs to the functions created by Jets.