  *  The AccImpl class is Flex's base class for implementing accessibility
  *  in UIComponents.
  *  It is a subclass of the Flash Player's AccessibilityImplementation class.
- *  
- *  @langversion 3.0
- *  @playerversion Flash 9
- *  @playerversion AIR 1.1
- *  @productversion Flex 3
  */ 
 public class AccImpl extends AccessibilityImplementation
 {

        // else we have non-empty s1 and empty s2, so do nothing.
        return s1;
    }
    
    /**
     *  @private
     *  Method for supporting Form Accessibility.

            master.accessibilityProperties.name != null && 
            master.accessibilityProperties.name != "")
        {
            // An accName is set, so use only that.
            accName = joinWithSpace(accName, master.accessibilityProperties.name);
        }
        else
        {
            // No accName set; use default name, or toolTip if that is empty.
            accName = joinWithSpace(accName, getName(0) || master.toolTip);
        }

        accName = joinWithSpace(accName, getStatusName());
        
        // Historical: Return null and not "" for empty and null values.
        return (accName != null && accName != "") ? accName : null;
    }
    
    /**
     *  @private
     *  Method to return an array of childIDs.
