Enums.AuthenticationChallengeType enumeration

The AuthenticationChallengeType can be one of:

Constant	Description
`Enums.AuthenticationChallengeTypeUnknown`	`(0)` No type specified
`Enums.AuthenticationChallengeTypeUsernamePassword`	`(1)` Challenge needing username and/or password authentication
`Enums.AuthenticationChallengeTypeOAuth`	`(2)` Challenge needing an OAuth authorization code
`Enums.AuthenticationChallengeTypeClientCertificate`	`(3)` Challenge needing a client certificate.
`Enums.AuthenticationChallengeTypeSslHandshake`	`(4)` Challenge needing a response to certain SslError errors

See also AuthenticationChallenge.