private static String rulesToString(Iterable<Rule> rules) {
return StreamSupport.stream(rules.spliterator(), false)
.map(r -> "\n// " + r.toString() + "\n.addRule(" + r + ")")
.collect(Collectors.joining());
}
public Builder addRules(Iterable<Rule> rules) {
rules.forEach(r -> addRule(r));
return this;
}