Bug 127861 [DataBinding] Mark API provisional
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/CollectionBinding.java
private final IUpdatableCollection target;
	private final IUpdatableCollection model;
	private IConverter converter;
	private IValidator validator;
	private boolean updating = false;
	/**
	 * @param context
	 * @param target
	 * @param model
	 * @param bindSpec 
	 */
	public CollectionBinding(DataBindingContext context,
			IUpdatableCollection target, IUpdatableCollection model,
			IBindSpec bindSpec) {
		super(context);
		this.target = target;
		this.model = model;
		this.converter = bindSpec.getConverter();