in finagle-base-http/src/main/scala/com/twitter/finagle/http/Status.scala [137:199]
def fromCode(code: Int): Status = {
(code: @switch) match {
case 100 => Continue
case 101 => SwitchingProtocols
case 102 => Processing
case 200 => Ok
case 201 => Created
case 202 => Accepted
case 203 => NonAuthoritativeInformation
case 204 => NoContent
case 205 => ResetContent
case 206 => PartialContent
case 207 => MultiStatus
case 300 => MultipleChoices
case 301 => MovedPermanently
case 302 => Found
case 303 => SeeOther
case 304 => NotModified
case 305 => UseProxy
case 307 => TemporaryRedirect
case 308 => PermanentRedirect
case 400 => BadRequest
case 401 => Unauthorized
case 402 => PaymentRequired
case 403 => Forbidden
case 404 => NotFound
case 405 => MethodNotAllowed
case 406 => NotAcceptable
case 407 => ProxyAuthenticationRequired
case 408 => RequestTimeout
case 409 => Conflict
case 410 => Gone
case 411 => LengthRequired
case 412 => PreconditionFailed
case 413 => RequestEntityTooLarge
case 414 => RequestURITooLong
case 415 => UnsupportedMediaType
case 416 => RequestedRangeNotSatisfiable
case 417 => ExpectationFailed
case 420 => EnhanceYourCalm
case 422 => UnprocessableEntity
case 423 => Locked
case 424 => FailedDependency
case 425 => UnorderedCollection
case 426 => UpgradeRequired
case 428 => PreconditionRequired
case 429 => TooManyRequests
case 431 => RequestHeaderFieldsTooLarge
case 451 => UnavailableForLegalReasons
case 499 => ClientClosedRequest
case 500 => InternalServerError
case 501 => NotImplemented
case 502 => BadGateway
case 503 => ServiceUnavailable
case 504 => GatewayTimeout
case 505 => HttpVersionNotSupported
case 506 => VariantAlsoNegotiates
case 507 => InsufficientStorage
case 510 => NotExtended
case 511 => NetworkAuthenticationRequired
case _ => Status(code)
}
}