const HTTP_PARTIAL_CONTENT
const HTTP_REQUEST_ENTITY_TOO_LARGE
const HTTP_INTERNAL_SERVER_ERROR
const HTTP_MULTIPLE_CHOICES
const HTTP_UNSUPPORTED_MEDIA_TYPE
const HTTP_VERSION_NOT_SUPPORTED
const HTTP_LENGTH_REQUIRED
const HTTP_METHOD_NOT_ALLOWED
const HTTP_MOVED_PERMANENTLY
const HTTP_PROXY_AUTHENTICATION_REQUIRED
const HTTP_TEMPORARY_REDIRECT
const HTTP_GATEWAY_TIMEOUT
const HTTP_NOT_ACCEPTABLE
const HTTP_NOT_IMPLEMENTED
const HTTP_SERVICE_UNAVAILABLE
const HTTP_NONAUTHORITATIVE_INFORMATION
const HTTP_REQUESTED_RANGE_NOT_SATISFIABLE
const HTTP_REQUEST_TIMEOUT
const HTTP_PAYMENT_REQUIRED
const HTTP_REQUEST_URI_TOO_LONG
const HTTP_PRECONDITION_FAILED
const HTTP_SWITCHING_PROTOCOLS
const HTTP_EXPECTATION_FAILED