      *  A vector of column indices corresponding to the header renderers
      *  which currently have their sort indicators visible.
      * 
-     *  @default An empty Vector.<int>
+     *  @default An empty Vector.&lt;int&gt;
      * 
      *  @langversion 3.0
      *  @playerversion Flash 10

[Event(name="gridMouseDrag", type="spark.events.GridEvent")]

/**
 *  Dispatched after a GRID_MOUSE_DOWN event when the mouse button is released, even
 *  if the mouse is no longer within the GridColumnHeaderGroup.
 *
 *  @eventType spark.events.GridEvent.GRID_MOUSE_UP

     *  Specifies the column index of the header renderer currently
     *  being hovered over by the user.
     *  
     *  <p>Setting <code>hoverColumnIndex</code> to -1, the default, means that 
     *  the column index is undefined, and the header renderer has its 
     *  <code>hovered</code> property set to <code>false</code>.</p>
     * 
     *  @default -1
     * 
