Bug 184755 [DataBinding] internal tree content provider does not work
I broke the tree content providers while trying to update them to use TreePaths. It would be good to have a working implementation again...
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/internal/viewers/OrderedTreeContentProvider.java
* @return the associated tree viewer
	 */
	public TreeViewer getViewer() {
		return treeViewer;
	}
	/**
	 * Returns true iff the given element is stale.
	 * 
	 * @param element
	 *            the element to query for staleness. Must exist in the tree.
	 * @return true iff the given element is stale
	 */
	public boolean isDirty(TreePath element) {
		return getChildrenList(element).isStale();
	}
	void enqueuePrefetch(OrderedTreeNode node) {
		if (prefetchingTree.shouldPrefetch(node.getElement())) {
			if (staleCount == 0) {
				
				
				
				
				
				
				
				
				
				
				node.getChildren();
			} else {