code: public static PactDslRootValue time(String format, Date example) {
      FastDateFormat instance = FastDateFormat.getInstance(format);
      PactDslRootValue value = new PactDslRootValue();
      value.setValue(instance.format(example));
      value.setMatcher(value.matchTime(format));
      return value;
    }
docs: Value that must match the given time format
  @param format time format to match
  @param example example time to use for generated bodies