Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
* node. Note: the node is not visually expanded! You may have to call
	 * <code>parent.setExpanded(true)</code>.
	 * </p>
	 * 
	 * @param widget
	 *            the widget
	 */
	protected void createChildren(final Widget widget) {
		boolean oldBusy = busy;
		busy = true;
		try {
			final Item[] tis = getChildren(widget);
			if (tis != null && tis.length > 0) {
				Object data = tis[0].getData();
				if (data != null) {
					return; 
				}
			}
	
			BusyIndicator.showWhile(widget.getDisplay(), new Runnable() {
				public void run() {
					
					
					if (tis != null) {
						for (int i = 0; i < tis.length; i++) {
							if (tis[i].getData() != null) {
								disassociate(tis[i]);
								Assert.isTrue(tis[i].getData() == null,
										"Second or later child is non -null");