content: /*
   * Copyright (c) 2000 World Wide Web Consortium,
   * (Massachusetts Institute of Technology, Institut National de
   * Recherche en Informatique et en Automatique, Keio University). All
   * Rights Reserved. This program is distributed under the W3C's Software
   * Intellectual Property License. This program is distributed in the
   * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
   * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
   * PURPOSE. See W3C License http://www.w3.org/Consortium/Legal/ for more
   * details.
   */
  
  package org.w3c.dom.smil;
  
  import org.w3c.dom.DOMException;
  import org.w3c.dom.NodeList;
  
  /**
   *  This interface defines a time container with semantics based upon par, but 
   * with the additional constraint that only one child element may play at a 
   * time. 
   */
  public interface ElementExclusiveTimeContainer extends ElementTimeContainer {
      /**
       *  Controls the end of the container.  Need to address thr id-ref value. 
       * @exception DOMException
       *    NO_MODIFICATION_ALLOWED_ERR: Raised if this attribute is readonly. 
       */
      public String getEndSync();
      public void setEndSync(String endSync)
                                       throws DOMException;
  
      /**
       *  This should support another method to get the ordered collection of 
       * paused elements (the paused stack) at a given point in time. 
       * @return  All paused elements at the current time. 
       */
      public NodeList getPausedElements();
  
  }
  
  