code: public static PactDslJsonRootValue or(Object example, MatchingRule... rules) {
      PactDslJsonRootValue value = new PactDslJsonRootValue();
      if (example != null) {
        value.setValue(example);
      } else {
        value.setValue(JSONObject.NULL);
      }
      value.matchers.setRules("", new MatchingRuleGroup(Arrays.asList(rules), RuleLogic.OR));
      return value;
    }
docs: Combine all the matchers using OR
  @param example Attribute name
  @param rules Matching rules to apply