code: @Override
  	protected BundleRenderer createRenderer(ResourceBundlesHandler rsHandler, Boolean useRandomParam) {
  		return RendererFactory.getCssBundleRenderer(rsHandler, useRandomParam, this.media, this.alternate,
  				this.displayAlternate, this.title);
  	}
docs: /*
  (non-Javadoc)
  
  @see
  net.jawr.web.taglib.AbstractResourceBundleTag#createRenderer(boolean)