Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/activity/NotificationEvent.java
* The event type of NameSpaceEvent.
	 * 
	 * @deprecated since BIRT 2.1
	 */
	
	public static final int NAME_SPACE_EVENT = 4;
	/**
	 * The event type of PrpertyEvent.
	 */
	public static final int PROPERTY_EVENT = 5;
	/**
	 * The event type of StyleEvent.
	 */
	public static final int STYLE_EVENT = 6;
	/**
	 * The event type of UserPropertyEvent.
	 */
	public static final int USER_PROP_EVENT = 7;
	/**
	 * The event type of CustomMsgEvent.
	 */
	public static final int CUSTOM_MSG_EVENT = 8;
	/**
	 * The event type of PropertyListEvent.
	 */
	public static final int EXTENSION_PROPERTY_DEFINITION_EVENT = 9;
	/**
	 * The event type of ValidationEvent
	 */
	public static final int VALIDATION_EVENT = 10;