The 'ExtensionAuthenticationStatus' class represents an extension authentication status.
|  Clone | Creates a copy of the object. | 
|  AccountName | The account name in the target system. | 
|  AuthenticationDataMissing | If the value of this property is true, authentication data for the external repository is not available. | 
|  ExtensionAuthenticationSpecialUserType | The special user type. | 
|  TargetID | The target extension ID. | 
|  UserID | The user account ID. |