      *  @private
      *  Return true if there is a width and height to use for the measure.
      */
-    private function isMeasureFixed():Boolean
+    mx_internal function isMeasureFixed():Boolean
     {
         return ((!isNaN(explicitWidth) || !isNaN(_widthInChars)) &&
                 (!isNaN(explicitHeight) || !isNaN(_heightInLines)) ||

    {
        super.explicitWidth = value;

        // Because of autoSizing, the size and display might be impacted.
        invalidateSize();
        invalidateDisplayList();

            // Do we have a constrained width and an explicit height?
            // If so, the sizes are set so no need to remeasure now.
            if (!isNaN(explicitHeight) || !isNaN(_heightInLines))
                return false;
                        
            // Is there no width?
            if (width == 0) 
                return false;
                                       
            // No reflow for explicit lineBreak
