public ImmutableBiMap<Object, Object> create(List<Entry<?, ?>> entries) {
        return ImmutableBiMap.copyOf(entries);
      }
    },
    BUILDER_PUT_ONE_BY_ONE {
      @Override
      public ImmutableBiMap<Object, Object> create(List<Entry<?, ?>> entries) {
        ImmutableBiMap.Builder<Object, Object> builder = ImmutableBiMap.builder();
        for (Entry<?, ?> entry : entries) {
          builder.put(entry.getKey(), entry.getValue());

      Set<Entry<Object, Object>> entries = cache.asMap().entrySet();
      List<Entry<Object, Object>> warmed = warmUp(cache, WARMUP_MIN, WARMUP_MAX);

      Set<?> expected = new HashMap<>(cache.asMap()).entrySet();
      assertThat(entries).containsExactlyElementsIn(expected);
      assertThat(entries.toArray()).asList().containsExactlyElementsIn(expected);

    Set<Entry<@Nullable String, @Nullable Boolean>> entries = map.entrySet();
    assertTrue(entries.contains(immutableEntry("a", true)));
    assertTrue(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("b", null)));
    assertTrue(
        entries.contains(Maps.<@Nullable String, @Nullable Boolean>immutableEntry(null, null)));

    assertFalse(entries.contains(Maps.<String, @Nullable Boolean>immutableEntry("c", null)));

    sort(entries, sortedMultiset.comparator());

    // some tests assume SEVERAL == 3
    if (entries.size() >= 1) {
      a = Multisets.immutableEntry(entries.get(0), sortedMultiset.count(entries.get(0)));
      if (entries.size() >= 3) {
        b = Multisets.immutableEntry(entries.get(1), sortedMultiset.count(entries.get(1)));
        c = Multisets.immutableEntry(entries.get(2), sortedMultiset.count(entries.get(2)));
      }
    }

                new TestStringBiMapGenerator() {
                  @Override
                  protected BiMap<String, String> create(Entry<String, String>[] entries) {
                    BiMap<String, String> bimap = HashBiMap.create(entries.length);
                    for (Entry<String, String> entry : entries) {
                      checkArgument(!bimap.containsKey(entry.getKey()));
                      bimap.put(entry.getKey(), entry.getValue());

              .sampleKeys()
              .e0();
      Object[] entries = new Object[elements.length];
      for (int i = 0; i < elements.length; i++) {
        @SuppressWarnings("unchecked") // These come from Entry<K, V> objects somewhere.
        V value = (V) elements[i];
        entries[i] = mapEntry(k, value);
      }
      return multimapGenerator.create(entries).values();
    }

    @Override

     */
    public ImmutableRangeMap<K, V> build() {
      sort(entries, Range.<K>rangeLexOrdering().onKeys());
      ImmutableList.Builder<Range<K>> rangesBuilder = new ImmutableList.Builder<>(entries.size());
      ImmutableList.Builder<V> valuesBuilder = new ImmutableList.Builder<>(entries.size());
      for (int i = 0; i < entries.size(); i++) {
        Range<K> range = entries.get(i).getKey();
        if (i > 0) {

                new TestStringMapGenerator() {
                  @Override
                  protected Map<String, String> create(Entry<String, String>[] entries) {
                    Map<String, String> map = CompactLinkedHashMap.create();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }
                    return map;
                  }

          entry.getKey(),
          getMap().inverse().get(entry.getValue()));
    }
  }

  @Override
  protected void expectMissing(Entry<K, V>... entries) {
    super.expectMissing(entries);
    for (Entry<K, V> entry : entries) {
      Entry<V, K> reversed = reverseEntry(entry);
      BiMap<V, K> inv = getMap().inverse();
      assertFalse(

                new TestStringMapGenerator() {
                  @Override
                  protected Map<String, String> create(Entry<String, String>[] entries) {
                    Map<String, String> map = CompactHashMap.create();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }
                    return map;
                  }