RootInfoListener (handle 9.1.0 API)

```
public interface RootInfoListener
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`rootInfoOutOfDate(Configuration configuration)`	This is called when it is determined that the root info for a particular configuration is out of date.

- Method Detail
  - rootInfoOutOfDate
```
void rootInfoOutOfDate(Configuration configuration)
```
    This is called when it is determined that the root info for a particular configuration is out of date. This lets an application update it's root information in whatever way is appropriate. If no RootInfoListeners are defined for a configuration, then the ~/.handle/root_info file is updated with the results of a certified query for the 0.na/0.na handle.