code: public static PactDslRootValue uuid() {
      PactDslRootValue value = new PactDslRootValue();
      value.generators.addGenerator(Category.BODY, "", UuidGenerator.INSTANCE);
      value.setValue("e2490de5-5bd3-43d5-b7c4-526e33f71304");
      value.setMatcher(value.regexp(UUID_REGEX));
      return value;
    }
docs: Value that must be encoded as an UUID