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Image img = new Image("my-img-id") {
	@Override
	protected void onComponentTag(ComponentTag tag) {
		// illustrates how to prevent an image from caching by adding a random value to the src attribute
		// This is similar to the code thats in NonCachingImage and would be the preferable solution for this
		super.onComponentTag(tag);
		String src = (String) tag.getAttributes().get("src");
		src = src + "&rand=" + Math.random();
		tag.getAttributes().put("src", src);
	}
};