UserService (data-security 8.3.10 API)

All Known Implementing Classes:

UserServiceImpl
```
public interface UserService
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`List<String>`	`getSuEmailAddresses()`	Returns e-mail addresses of super users
`User`	`getUser(String username)`	Returns the given user
`User`	`getUserByEmail(String email)`	Find a user by it's email.
`List<User>`	`getUsers()`
`void`	`update(User user)`	Update user

- Method Detail
  - getUsers
```
List<User> getUsers()
```
  - getSuEmailAddresses
```
List<String> getSuEmailAddresses()
```
    Returns e-mail addresses of super users
  - getUser
```
@Nullable
@CheckForNull
User getUser(String username)
```
    Returns the given user
  - getUserByEmail
```
User getUserByEmail(String email)
```
    Find a user by it's email.
    
    Returns:
    
    the user or null if not found
  - update
```
void update(User user)
```
    Update user