code: private static List<Tag<?>> addClusterNameTags(List<? extends Tag<?>> tags) {
      return ImmutableList.<Tag<?>>builder().addAll(tags).addAll(Tag.fromMap(ClusterNameTags.getClusterNameTags()))
          .build();
    }
docs: Takes a {@link List} of {@link Tag}s and returns a new {@link List} with the original {@link Tag}s as well as any
  additional {@link Tag}s returned by {@link ClusterNameTags#getClusterNameTags()}.
  
  @see ClusterNameTags