DiffProgressListener (Oxygen XML API)

```
@API(type=EXTENDABLE,
     src=PUBLIC)
public interface DiffProgressListener
```
Listener to the diff performer. It sends change events when the progress in the diff process is increased and a done event when the diff process is finished.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`finished()`	Event send by the diff process when is finished.
`void`	`start()`	Called when the diff process is starting.
`void`	`update(DiffProgressEvent progressEvent)`	Called when the progress in the diff process was increased.

- Method Detail
  - start
```
void start()
```
    Called when the diff process is starting.
  - update
```
void update(DiffProgressEvent progressEvent)
```
    Called when the progress in the diff process was increased.
    
    Parameters:
    
    progressEvent - The diff progress event. It contains information about the current progress in the diff process.
  - finished
```
void finished()
```
    Event send by the diff process when is finished.