Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/databinding/viewers/ObservableSetContentProvider.java
if (isDisposed()) {
				return;
			}
			doDiff(event.diff.getAdditions(), event.diff.getRemovals(), true);
			if (!wasStale && event.getObservableSet().isStale()) {
				knownElements.doFireStale(true);
			}
		}
	};
	private IStaleListener staleListener = new IStaleListener() {
		public void handleStale(StaleEvent event) {
			knownElements.doFireStale(event.getObservable().isStale());
		}
	};
	/**
	 * 
	 */
	public ObservableSetContentProvider() {
		readableSet = new ObservableSet(SWTObservables.getRealm(Display.getDefault()),
				Collections.EMPTY_SET, Object.class) {
		};        
		knownElements = new KnownElementsSet(readableSet);
	}
	public void dispose() {
		setInput(null);
	}
	private void doDiff(Set added, Set removed, boolean updateViewer) {
		knownElements.doFireDiff(added, Collections.EMPTY_SET);
		if (updateViewer) {
			Object[] toAdd = added.toArray();