final IAjaxCallDecorator ajaxCallDecorator = getAjaxCallDecorator();
if (ajaxCallDecorator instanceof IComponentAwareHeaderContributor)
{
IComponentAwareHeaderContributor contributor = (IComponentAwareHeaderContributor)ajaxCallDecorator;
contributor.renderHead(component, response);
}
}
/**
* @return ajax call decorator used to decorate the call generated by this behavior or null for