public void renderHeaderIncludes(Renderer renderer, StringOutput sb, Component source, URLBuilder ubu, Translator translator, RenderingState rstate) {
VelocityContainer vc = (VelocityContainer) source;
// the velocity container itself needs no headerincludes, but ask the
// children also
Map comps = vc.getComponents();
for (Iterator iter = comps.values().iterator(); iter.hasNext();) {
Component child = (Component) iter.next();
renderer.renderHeaderIncludes(sb, child, rstate);
}
}