code: protected void performGlobalBundleLinksRendering(BundleRendererContext ctx, Writer out, boolean debugOn)
  			throws IOException {
  
  		ResourceBundlePathsIterator resourceBundleIterator = bundler.getGlobalResourceBundlePaths(getDebugMode(debugOn),
  				new ConditionalCommentRenderer(out), ctx.getVariants());
  		renderBundleLinks(resourceBundleIterator, ctx, debugOn, out);
  	}
docs: Performs the global bundle rendering
  
  @param ctx
  the context
  @param out
  the writer
  @param debugOn
  the flag indicating if we are in debug mode or not
  @throws IOException
  if an IO exception occurs