void modelChanged(org.eclipse.emf.common.notify.Notification event)
The source will invoce this method to announce changed resource. The event will never be
null. However, it may contain an empty list of deltas.
Listeners are free to remove themselves from the sender of the event or add other listeners. However added listeners will not be informed about the current change.
This event fired synchronously.
event- the fired event. Will never be