| Interface | Description | 
|---|---|
| IElementDeletedEvent | 
 This interface provide the API of a Delete Event 
 | 
| IElementMovedEvent | 
 This interface provide the API of a Model Move Event 
 | 
| IModelChangeEvent | 
 This interface provide the API of a Model Change Event 
 | 
| IModelChangeHandler | 
 Handler of model changes. 
 | 
| IModelChangeListener | 
 Listener of model changes. 
 | 
| IStatusChangeEvent | 
 This interface provide the API of a Status Change Event 
 | 
| IStatusChangeListener | 
 Listener of status changes. 
 |