     /**
      *  @private
      */
-    private function compose(width:Number = NaN,
-                             height:Number = NaN):void
+    private function compose(width:Number = NaN, height:Number = NaN):Boolean
     {
         textFlow = createTextFlow();
         _content = textFlow;

        if (!mx_internal::styleChainInitialized)
            return;

        compose(unscaledWidth, unscaledHeight);
    }

    /**

        
        textFlowComposer.addTextLines(DisplayObjectContainer(displayObject));

        return textFlowComposer.isOverset;
    }
}

