return delegate().aboveSamplesGreater();
    }

    @Override
    public Entry<K, V> belowSamplesGreater() {
      return delegate().aboveSamplesLesser();
    }

    @Override
    public Entry<K, V> aboveSamplesLesser() {
      return delegate().belowSamplesGreater();
    }

    @Override
    public Entry<K, V> aboveSamplesGreater() {
      return delegate().belowSamplesLesser();

                    return mapEntry("-- a", (Collection<String>) ImmutableSortedSet.of("--below"));
                  }

                  @Override
                  public Entry<String, Collection<String>> belowSamplesGreater() {
                    return mapEntry("-- b", (Collection<String>) ImmutableSortedSet.of("--below"));
                  }

                  @Override