      *  A value of 0 also indicates that this element creates the
      *  <code>DisplayObject</code> for its sequence. 
      *
-     *  <code>Group</code> sets this index before updating the
-     *  <code>displayObject</code> property. 
+     *  <code>Group</code> manages this property. 
      * 
      *  @see #displayObject
      *  @see #createDisplayObject

     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    function validateSize(recursive:Boolean = false):void;
    
    /**
     *  Called by the parent <code>Group</code> to redraw this element
     *  in its <code>displayObject</code> property.
     *
     *  <p>If the element is the first in the sequence (<code>shareIndex</code>
     *  is less than or equal to zero) it must clear the <code>displayObject</code>
     *  graphics and set it up as necessary for drawing the rest of the elements.</p>
     *

     *  The shared <code>DisplayObject</code> where this
     *  <code>IGraphicElement</code> is drawn.
     *
     *  Implementers should not create the <code>DisplayObject</code>
     *  here, but in <code>createDisplayObject()</code>.
     *
     *  @see #createDisplayObject
     *  @see #validateDisplayList
     *  @see #sharedIndex
     *
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
