/***************************************************************************** * net.openai.fsm.event.StateListener ***************************************************************************** * @author  JC on E * @date    9/18/2000 * 2001 OpenAI Labs *****************************************************************************/package net.openai.util.fsm.event;import java.util.EventListener;import java.util.EventObject;/** * An interface for listening to <code>State</code>s. */public interface StateListener extends EventListener {    /**     * Implement this method to handle StateEvents.     *     * @param event The event that triggered this method to be called.     */    public void handleStateEvent(StateEvent event);}