builder.add("baz");
    assertTrue(set.elements != builder.contents);
  }

  public void testReuseBuilderReducingHashTableSizeWithPowerOfTwoTotalElements() {
    ImmutableSet.Builder<Object> builder = ImmutableSet.builderWithExpectedSize(6);
    builder.add(0);
    ImmutableSet<Object> unused = builder.build();

    graph = ValueGraphBuilder.directed().incidentEdgeOrder(ElementOrder.unordered()).build();
    assertThat(graph.incidentEdgeOrder()).isEqualTo(ElementOrder.unordered());
  }

  @Test
  public void incidentEdgeOrder_stable() {
    graph = ValueGraphBuilder.directed().incidentEdgeOrder(ElementOrder.stable()).build();
    assertThat(graph.incidentEdgeOrder()).isEqualTo(ElementOrder.stable());
  }

  @Test

  @J2ktIncompatible
  @GwtIncompatible // doesn't build without explicit type parameters on build() methods
  public void testGenerics() {
    ListMultimap<String, Integer> a = MultimapBuilder.hashKeys().arrayListValues().build();
    SortedSetMultimap<String, Integer> b = MultimapBuilder.linkedHashKeys().treeSetValues().build();
    SetMultimap<String, Integer> c =

                .put("bar", 2)
                .put("foo", 1)
                .put("foo", 3)
                .build())
        .addEqualityGroup(
            ImmutableListMultimap.<String, Integer>builder()
                .put("bar", 2)
                .put("foo", 3)
                .put("foo", 1)
                .build())
        .addEqualityGroup(
            ImmutableListMultimap.<String, Integer>builder()

    assertEquals(7, multimap.size());
  }

  public void testBuilderPutWithDuplicates() {
    ImmutableSetMultimap.Builder<String, Integer> builder = ImmutableSetMultimap.builder();
    builder.putAll("foo", 1, 2, 3);
    builder.putAll("bar", 4, 5);
    builder.put("foo", 1);
    ImmutableSetMultimap<String, Integer> multimap = builder.build();
    assertEquals(5, multimap.size());

   *         .put("one", 1)
   *         .putAll("several", 1, 2, 3)
   *         .putAll("many", 1, 2, 3, 4, 5)
   *         .build();
   * }</pre>
   *
   * <p>Builder instances can be reused; it is safe to call {@link #build} multiple times to build
   * multiple multimaps in series. Each multimap contains the key-value mappings in the previously
   * created multimaps.
   *
   * @since 2.0
   */

    assertEquals(HashMultiset.create(asList("a", "b", "a", "c")), multiset);
  }

  public void testReuseBuilder() {
    Builder<String> builder =
        ImmutableSortedMultiset.<String>naturalOrder().add("a").add("b").add("a").add("c");
    ImmutableSortedMultiset<String> multiset1 = builder.build();

                      Entry<?, ?> entry = (Entry<?, ?>) object;
                      builder.put((TypeToken) entry.getKey(), entry.getValue());
                    }
                    return (Map) builder.build();
                  }
                })
            .named("ImmutableTypeToInstanceMap")
            .withFeatures(
                MapFeature.REJECTS_DUPLICATES_AT_CREATION,
                MapFeature.RESTRICTS_KEYS,

      for (Entry<String, String> entry : entries) {
        checkNotNull(entry);
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }
  }

  public static class ImmutableSortedMapCopyOfEntriesGenerator
      extends TestStringSortedMapGenerator {
    @Override
    public SortedMap<String, String> create(Entry<String, String>[] entries) {

    assertEquals(HashMultiset.create(asList("a", "b", "a", "c")), multiset);
  }

  public void testBuilderAddAll() {
    List<String> a = asList("a", "b");
    List<String> b = asList("c", "d");
    ImmutableSortedMultiset<String> multiset =
        ImmutableSortedMultiset.<String>naturalOrder().addAll(a).addAll(b).build();