AuthenticationCallback

```
public interface AuthenticationCallback
```
Provides a general interface for delegation of third party authentication callbacks.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`onRestore(java.util.Map<java.lang.String,java.lang.String> authData)`	Called when restoring third party authentication credentials that have been serialized, such as session keys, etc.

- Method Detail
  - onRestore
```
boolean onRestore(java.util.Map<java.lang.String,java.lang.String> authData)
```
    Called when restoring third party authentication credentials that have been serialized, such as session keys, etc.
    Note: This will be executed on a background thread.
    
    Parameters:
    
    authData - The auth data for the provider. This value may be null when unlinking an account.
    
    Returns:
    
    true iff the authData was successfully synchronized or false if user should no longer be associated because of bad authData.