namespace System.Net { public enum HttpStatusCode { Accepted = 202, Ambiguous = 300, BadGateway = 502, BadRequest = 400, Conflict = 409, Continue = 100, Created = 201, ExpectationFailed = 417, Forbidden = 403, Found = 302, GatewayTimeout = 504, Gone = 410, HttpVersionNotSupported = 505, InternalServerError = 500, LengthRequired = 411, MethodNotAllowed = 405, Moved = 301, MovedPermanently = 301, MultipleChoices = 300, NoContent = 204, NonAuthoritativeInformation = 203, NotAcceptable = 406, NotFound = 404, NotImplemented = 501, NotModified = 304, OK = 200, PartialContent = 206, PaymentRequired = 402, PreconditionFailed = 412, ProxyAuthenticationRequired = 407, Redirect = 302, RedirectKeepVerb = 307, RedirectMethod = 303, RequestedRangeNotSatisfiable = 416, RequestEntityTooLarge = 413, RequestTimeout = 408, RequestUriTooLong = 414, ResetContent = 205, SeeOther = 303, ServiceUnavailable = 503, SwitchingProtocols = 101, TemporaryRedirect = 307, Unauthorized = 401, UnsupportedMediaType = 415, Unused = 306, UpgradeRequired = 426, UseProxy = 305 } }