content: package org.w3c.dom.events;
  
  
  /**
   *  The <code>EventListener</code> interface is the primary method for
   * handling events. Users implement the <code>EventListener</code> interface
   * and register their listener on an <code>EventTarget</code> using the
   * <code>AddEventListener</code> method. The users should also remove their
   * <code>EventListener</code> from its <code>EventTarget</code> after they
   * have completed using the listener.
   * <p> When a <code>Node</code> is copied using the <code>cloneNode</code>
   * method the <code>EventListener</code>s attached to the source
   * <code>Node</code> are not attached to the copied <code>Node</code>. If
   * the user wishes the same <code>EventListener</code>s to be added to the
   * newly created copy the user must add them manually.
   * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Events-20001113'>Document Object Model (DOM) Level 2 Events Specification</a>.
   * @since DOM Level 2
   */
  public interface EventListener {
      /**
       *  This method is called whenever an event occurs of the type for which
       * the <code> EventListener</code> interface was registered.
       * @param evt  The <code>Event</code> contains contextual information
       *   about the event. It also contains the <code>stopPropagation</code>
       *   and <code>preventDefault</code> methods which are used in
       *   determining the event's flow and default action.
       */
      public void handleEvent(Event evt);
  }