api/src/main/java/org/ocpsoft/rewrite/config/ConfigurationBuilder.java
@Override
   public ConfigurationRuleBuilderCustom addRule()
   {
      RuleBuilder rule = RuleBuilder.define();
      setDefaultLocation(rule);
      rules.add(rule);
      return new ConfigurationRuleBuilder(this, rule);
   }
@Override
   public ConfigurationRuleBuilderCustom addRule()
   {
      RuleBuilder rule = RuleBuilder.define();
      setDefaultLocation(rule);
      rules.add(rule);
      return new ConfigurationRuleBuilder(this, rule);
   }
Add a new fluent {@link Rule}.