Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface.databinding/src/org/eclipse/jface/internal/databinding/provisional/swt/AbstractSWTObservableValue.java
private final Widget widget;
	/**
	 * Standard constructor for an SWT ObservableValue.  Makes sure that
	 * the observable gets disposed when the SWT widget is disposed.
	 * 
	 * @param widget
	 */
	protected AbstractSWTObservableValue(Widget widget) {
		super(SWTObservables.getRealm(widget.getDisplay()));
		this.widget = widget;
		widget.addDisposeListener(disposeListener);
	}
	
	private DisposeListener disposeListener = new DisposeListener() {
		public void widgetDisposed(DisposeEvent e) {
			AbstractSWTObservableValue.this.dispose();
		}
	};
	/**
	 * @return Returns the widget.
	 */
	public Widget getWidget() {
		return widget;
	}
}