docs: public CompositeExceptionHandler buildHandlersFor(XmlRules rules) {
      ImmutableList.Builder<RuleExceptionHandler> builder = ImmutableList.builder();
      for (XmlRules.ExceptionRule rule : rules.getExceptionRules()) {
        builder.add(buildHandlerFor(rule));
      }
      return new CompositeExceptionHandler(builder.build());
    }