Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
* @see #saveEnableStateAndSet
	 */
	private void restoreEnableState(Control w, Map h, String key) {
		if (w != null) {
			Boolean b = (Boolean) h.get(key);
			if (b != null) {
				w.setEnabled(b.booleanValue());
			}
		}
	}
	/**
	 * Restores the enabled/disabled state of the wizard dialog's buttons and
	 * the tree of controls for the currently showing page.
	 * 
	 * @param state
	 *            a map containing the saved state as returned by
	 *            <code>saveUIState</code>
	 * @see #saveUIState
	 */
	private void restoreUIState(Map state) {
		restoreEnableState(backButton, state, "back"); 
		restoreEnableState(nextButton, state, "next"); 
		restoreEnableState(finishButton, state, "finish"); 
		restoreEnableState(cancelButton, state, "cancel"); 
		restoreEnableState(helpButton, state, "help"); 
		Object pageValue = state.get("page"); 
		if (pageValue != null) {
			((ControlEnableState) pageValue).restore();
		}
	}