Bug 234345 [Viewers] AbstractTreeViewer#getChildren(Widget,Object[]) holds doc that it is experimental
a) Remove the experimental description => Why do we need this method b) Remove the method
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
}
		return null;
	}
	
	protected Object[] getRawChildren(Object parentElementOrTreePath) {
		boolean oldBusy = isBusy();
		setBusy(true);
		try {
			Object parent;
			TreePath path;
			if (parentElementOrTreePath instanceof TreePath) {
				path = (TreePath) parentElementOrTreePath;
				parent = path.getLastSegment();
			} else {
				parent = parentElementOrTreePath;
				path = null;
			}
			if (parent != null) {
				if (equals(parent, getRoot())) {
					return super.getRawChildren(parent);
				}
				IContentProvider cp = getContentProvider();
				if (cp instanceof ITreePathContentProvider) {
					ITreePathContentProvider tpcp = (ITreePathContentProvider) cp;
					if (path == null) {
						
						Widget w = findItem(parent);
						if (w instanceof Item) {
							Item item = (Item) w;
							path = getTreePathFromItem(item);