APOP/
APOPSession/
FTP/
FTPConnectionError/
FTPError/
FTPPermError/
FTPProtoError/
FTPReplyError/
FTPTempError/
HTTP/
HTTPAccepted/
HTTPAlreadyReported/
HTTPBadGateway/
HTTPBadRequest/
HTTPBadResponse/
HTTPClientError/
HTTPConflict/
HTTPContinue/
HTTPCreated/
HTTPEarlyHints/
HTTPError/
HTTPExceptions/
HTTPExpectationFailed/
HTTPFailedDependency/
HTTPFatalError/
HTTPForbidden/
HTTPFound/
HTTPGatewayTimeout/
HTTPGenericRequest/
HTTPGone/
HTTPHeader/
HTTPHeaderSyntaxError/
HTTPIMUsed/
HTTPInformation/
HTTPInsufficientStorage/
HTTPInternalServerError/
HTTPLengthRequired/
HTTPLocked/
HTTPLoopDetected/
HTTPMethodNotAllowed/
HTTPMisdirectedRequest/
HTTPMovedPermanently/
HTTPMultiStatus/
HTTPMultipleChoices/
HTTPNetworkAuthenticationRequired/
HTTPNoContent/
HTTPNonAuthoritativeInformation/
HTTPNotAcceptable/
HTTPNotExtended/
HTTPNotFound/
HTTPNotImplemented/
HTTPNotModified/
HTTPOK/
HTTPPartialContent/
HTTPPayloadTooLarge/
HTTPPaymentRequired/
HTTPPermanentRedirect/
HTTPPreconditionFailed/
HTTPPreconditionRequired/
HTTPProcessing/
HTTPProxyAuthenticationRequired/
HTTPRangeNotSatisfiable/
HTTPRedirection/
HTTPRequest/
HTTPRequestHeaderFieldsTooLarge/
HTTPRequestTimeout/
HTTPResetContent/
HTTPResponse/
HTTPRetriableError/
HTTPSeeOther/
HTTPServerError/
HTTPServerException/
HTTPServiceUnavailable/
HTTPSuccess/
HTTPSwitchProtocol/
HTTPTemporaryRedirect/
HTTPTooManyRequests/
HTTPURITooLong/
HTTPUnauthorized/
HTTPUnavailableForLegalReasons/
HTTPUnknownResponse/
HTTPUnprocessableEntity/
HTTPUnsupportedMediaType/
HTTPUpgradeRequired/
HTTPUseProxy/
HTTPVariantAlsoNegotiates/
HTTPVersionNotSupported/
IMAP/
OpenTimeout/
POP3/
POPAuthenticationError/
POPBadResponse/
POPError/
POPMail/
ProtoAuthError/
ProtoCommandError/
ProtoFatalError/
ProtoRetriableError/
ProtoServerError/
ProtoSyntaxError/
ProtoUnknownError/
ProtocRetryError/
ProtocolError/
ReadTimeout/
SMTP/
SMTPAuthenticationError/
SMTPError/
SMTPFatalError/
SMTPServerBusy/
SMTPSyntaxError/
SMTPUnknownError/
SMTPUnsupportedCommand/
WriteAdapter/
WriteTimeout/
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