Bug 231002 Add Javadoc tags to UA projects for API Visibilities & Restrictions
bundles/org.eclipse.ui.forms/src/org/eclipse/ui/forms/IMessageManager.java
* added or removed. By default, auto update is on. Clients can turn it off
	 * prior to adding or removing a number of messages as a batch. Turning it
	 * back on will trigger an update.
	 * 
	 * @param enabled
	 *            sets the state of the automatic update
	 */
	void setAutoUpdate(boolean enabled);
	/**
	 * Tests whether the form will be automatically updated when messages are
	 * added or removed.
	 * 
	 * @return <code>true</code> if auto update is active, <code>false</code>
	 *         otherwise.
	 */
	boolean isAutoUpdate();
	/**
	 * Sets the alternative message prefix provider. The default prefix provider
	 * is set by the manager.
	 * 
	 * @param provider
	 *            the new prefix provider or <code>null</code> to turn the
	 *            prefix generation off.
	 */
	void setMessagePrefixProvider(IMessagePrefixProvider provider);
	/**
	 * @return the current prefix provider or <code>null</code> if prefixes
	 *         are not generated.
	 */
	IMessagePrefixProvider getMessagePrefixProvider();