     
     /**
      *  @inheritDoc
+     *
+     *  @default 1
      *  
      *  @langversion 3.0
      *  @playerversion Flash 10

 *  &lt;s:ScrollBarBase
 *    <strong>Properties</strong>
 *    pageSize="20"
 *    snapInterval=""
 *    viewport="null"
 *
 *    <strong>Styles</strong>

    {
        if (steppingDown || steppingUp)
        {
            // stopAnimation will not dispatch a changeEnd.
            stopAnimation();
            
            dispatchEvent(new FlexEvent(FlexEvent.CHANGE_END));
