{
  "400": "Bad Request",
  "401": "Unauthorized",
  "403": "Forbidden",
  "404": "Not Found",
  "405": "Method Not Allowed",
  "408": "Request Timeout",

  "500": "Internal Server Error",
  "501": "Not Implemented",
  "502": "Bad Gateway",
  "503": "Service Unavailable",
  "504": "Gateway Timeout"
}