 
     /**
      *  @inheritDoc
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
     override protected function partRemoved(partName:String, instance:Object):void
     {

     *  and <code>valueToPosition()</code> methods.</p>
     *
     *  @return The size of the logical track. 
     */
    protected function get trackSize():Number
    {

 * 
 *  @see mx.components.baseClasses.FxSlider
 *  @see mx.components.baseClasses.FxScrollBar
 *  
 *  @langversion 3.0
 *  @playerversion Flash 10
 *  @playerversion AIR 1.5
 *  @productversion Flex 4
 */
public class FxTrackBase extends FxRange
{
