Bug 127861 [DataBinding] Mark API provisional
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/NestedUpdatableTree.java
private IDataBindingContext  databindingContext;
	private TreeModelDescription originalDescription;
	
	private IUpdatableTree innerUpdatableTree;
	
	private boolean updating = false;
	
	private IChangeListener innerChangeListener = new IChangeListener() {