UsernameAuthentication (== GreenMail Core == 2.1.3 API)

All Known Implementing Classes:

LoginAuthenticationState, PlainAuthenticationState, XOAuth2AuthenticationState
```
public interface UsernameAuthentication
```
Base interface for authentication methods that provide or make use of a plain text username to identify a user, such as the PLAIN or LOGIN authentication mechanisms.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  String getUsername()

- Method Detail
  - getUsername
```
String getUsername()
```