CONTINUE=100,
SWITCHING_PROTOCOLS=101,
PROCESSING=102,
OK=200,
CREATED=201,
ACCEPTED=202,
NON_AUTHORITATIVE_INFORMATION=203,
NO_CONTENT=204,
RESET_CONTENT=205,
PARTIAL_CONTENT=206,
MULTI_STATUS=207,
ALREADY_REPORTED=208,
IM_USED=226,
MULTIPLE_CHOICES=300,
MOVED_PERMANENTLY=301,
FOUND=302,
SEE_OTHER=303,
NOT_MODIFIED=304,
USE_PROXY=305,
(UNUSED)=306,
TEMPORARY_REDIRECT=307,
PERMANENT_REDIRECT=308,
BAD_REQUEST=400,
UNAUTHORIZED=401,
PAYMENT_REQUIRED=402,
FORBIDDEN=403,
NOT_FOUND=404,
METHOD_NOT_ALLOWED=405,
NOT_ACCEPTABLE=406,
PROXY_AUTHENTICATION_REQUIRED=407,
REQUEST_TIMEOUT=408,
CONFLICT=409,
GONE=410,
LENGTH_REQUIRED=411,
PRECONDITION_FAILED=412,
PAYLOAD_TOO_LARGE=413,
URI_TOO_LONG=414,
UNSUPPORTED_MEDIA_TYPE=415,
RANGE_NOT_SATISFIABLE=416,
EXPECTATION_FAILED=417,
I_AM_A_TEAPOT=418,
MISDIRECTED_REQUEST=421,
UNPROCESSABLE_ENTITY=422,
LOCKED=423,
FAILED_DEPENDENCY=424,
UPGRADE_REQUIRED=426,
PRECONDITION_REQUIRED=428,
TOO_MANY_REQUESTS=429,
REQUEST_HEADER_FIELDS_TOO_LARGE=431,
UNAVAILABLE_FOR_LEGAL_REASONS=451,
INTERNAL_SERVER_ERROR=500,
NOT_IMPLEMENTED=501,
BAD_GATEWAY=502,
SERVICE_UNAVAILABLE=503,
GATEWAY_TIMEOUT=504,
HTTP_VERSION_NOT_SUPPORTED=505,
VARIANT_ALSO_NEGOTIATES=506,
INSUFFICIENT_STORAGE=507,
LOOP_DETECTED=508,
NOT_EXTENDED=510,
NETWORK_AUTHENTICATION_REQUIRED=511