      * <p>This function returns the result of the two values subtracted
      * on a per-channel basis. Each channel will be clamped
      * at 0 to avoid underflow problems.</p>
+     *  
+     *  @langversion 3.0
+     *  @playerversion Flash 10
+     *  @playerversion AIR 1.5
+     *  @productversion Flex 4
      */
    public function decrement(baseValue:Object, decrementValue:Object):Object
    {

    /**
     * Returns the singleton of this class. Since all RGBInterpolators
     * have the same behavior, there is no need for more than one instance.
     */
    public static function getInstance():RGBInterpolator
    {

     * <code>startValue</code> and <code>endValue</code>. This interpolates
     * each color channel separately if the start and end values represent
     * RGB colors.
     *  
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 1.5
     *  @productversion Flex 4
     */
    public function interpolate(fraction:Number, startValue:Object, 
        endValue:Object):Object
