@SuppressWarnings("CheckReturnValue")
  void use() {
    ImmutableLessVisibleImplementation.Builder lessVisibleBuilder = ImmutableLessVisibleImplementation.builder();
    ImmutableLessVisibleImplementation lessVisibleImplementation = lessVisibleBuilder.build();
    lessVisibleImplementation.use();
  }
Feature combination
<ul>
<li>Less visible implementation
<li>Builder returns abstract
</ul>
value-fixture/src/org/immutables/fixture/style/LessVisibleImplementation.java