      *  @see mx.effects.EffectInstance#end()
      */
     function end(effectInstance:IEffectInstance = null):void;
-
-    /**
-     * Sets the current time of an effect. Seek may be used to
-     * fast-forward or reverse to a particular point in time in an effect.
-     * 
-     * @param seekTime Number of milliseconds that the effect should
-     * play at. This number should be between 0 and the duration of the
-     * effect.
-     * 
-     * @see #duration
-     */
-    function seek(seekTime:Number):void;
 
     /**
      *  Captures the current values of the relevant properties

    function set perElementOffset(value:Number):void;

    //----------------------------------
    //  playheadTime
    //----------------------------------

    /**
     *  Current position in time of the effect.
     *  This property has a value between 0 and the actual duration 
     *  (which includes the value of the <code>startDelay</code>, 
     *  <code>repeatCount</code>, and <code>repeatDelay</code> properties).
     */
    function get playheadTime():Number;

    //----------------------------------
    //  relevantProperties
    //----------------------------------


    //
    //--------------------------------------------------------------------------
    
    //----------------------------------
    //  className
    //----------------------------------
