         public static const CHANGE:String = "change";       
         
        /**
-        *  
+        *  Constructor.
+        * 
+        *  @param target The target to which the filter is applied.
+        * 
         *  @langversion 3.0
         *  @playerversion Flash 10
         *  @playerversion AIR 1.5

        }
        
       /**
        *  
        *  @langversion 3.0
        *  @playerversion Flash 10
        *  @playerversion AIR 1.5

    import flash.events.Event;

   /**
    *  Base class for some Spark filters.
    * 
    *  @langversion 3.0
    *  @playerversion Flash 10
    *  @playerversion AIR 1.5
