nticated in a way that
matches the values in the <code><a href="../Protocols/Authenticator.html#/s:9Alamofire13AuthenticatorP10CredentialQa">Credential</a></code>. In the case of OAuth2, this would mean that the Bearer token in the
<code>Authorization</code> header of the <code>URLRequest</code> matches the access token in the <code><a href="../Protocols/Authenticator.html#/s:9Alamofire13AuthenticatorP10CredentialQa">Credential</a></code>. If it matches, then we
know the <code><a href="../Protocols/Authenti