 import mx.core.UIComponent;
 import mx.core.mx_internal;
 import mx.events.FlexEvent;
+import mx.graphics.shaderClasses.ColorBurnShader;
+import mx.graphics.shaderClasses.ColorDodgeShader;
+import mx.graphics.shaderClasses.ColorShader;
+import mx.graphics.shaderClasses.ExclusionShader;
+import mx.graphics.shaderClasses.HueShader;
+import mx.graphics.shaderClasses.LuminosityShader;
+import mx.graphics.shaderClasses.SaturationShader;
+import mx.graphics.shaderClasses.SoftLightShader;
 import mx.styles.ISimpleStyleClient;
 import mx.styles.IStyleClient;
 import mx.styles.StyleProtoChain;

        if (index < 0 || index > maxIndex)
            throw new RangeError(resourceManager.getString("components", "indexOutOfRange", [index]));
    }
 
    /**
     *  @inheritDoc

import spark.core.IGraphicElement;
import spark.core.ISharedDisplayObject;
import spark.events.ElementExistenceEvent;

use namespace mx_internal;

