| Interface | Description | 
|---|---|
| UESAuthenticationToken | 
 Represents an authentication request. 
 | 
| Class | Description | 
|---|---|
| UESAccessCodesAuthnToken | Deprecated
 Legacy token which does not support security realms for authentication (user is always
             authenticated in default security realm). 
 | 
| UESPasswordAuthnToken | 
 Implementation of  
UESAuthenticationToken to be used
 for authentication using principal and password. |