     function validateProperties():void;
     
     /**
-     *  Called by the <code>IGraphicElementHost</code> to validate the size of
+     *  Called by the <code>IGraphicElementContainer</code> to validate the size of
      *  this element.
      * 
      *  <p>When the size of the element changes and is going to affect the
-     *  <code>IGraphicElementHost</code> layout, the implementer is responsible
+     *  <code>IGraphicElementContainer</code> layout, the implementer is responsible
      *  for invalidating the parent's size and display list.</p>
      * 
-     *  <p>To ensure that this method is called, notify the <code>IGraphicElementHost</code>
+     *  <p>To ensure that this method is called, notify the <code>IGraphicElementContainer</code>
      *  by calling its <code>invalidateGraphicElementSize()</code> method.</p>
      * 
      *  <p>This method might be called even if this element has not
-     *  notified the <code>IGraphicElementHost</code>.</p>
+     *  notified the <code>IGraphicElementContainer</code>.</p>
      * 
      *  @see #validateProperties
      *  @see #validateDisplayList

    function validateSize():void;
    
    /**
     *  Called by the <code>IGraphicElementHost</code> to redraw this element
     *  in its <code>displayObject</code> property.
     *
     *  <p>If the element is the first in the sequence (<code>displayObjectSharingMode</code>

    function canShareWithNext(element:IGraphicElement):Boolean;
    
    /**
     *  Called by <code>IGraphicElementContainer</code> when an IGraphicElement
     *  is added to or removed from the host.
     *  <p>Developers typically never need to call this method.</p>
     *
     *  @param parent The <code>IGraphicElementContainer</code> of this <code>IGraphicElement</code>.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    function parentChanged(parent:IGraphicElementContainer):void;

    /**
     *  Called by the <code>IGraphicElementContainer</code> to validate the properties of
     *  this element.
     * 
     *  <p>To ensure that this method is called, notify the <code>IGraphicElementContainer</code>
     *  by calling its <code>invalidateGraphicElementProperties()</code> method.</p>  
     * 
     *  <p>This method might be called even if this element has not
     *  notified the <code>IGraphicElementContainer</code>.</p>
     * 
     *  @see #validateSize
     *  @see #validateDisplayList
