*/
  public static <B> Builder<B> orderedBy(Comparator<B> comparator) {
    return new Builder<>(comparator);
  }

  /**
   * Creates and returns a new builder, configured to build {@code MinMaxPriorityQueue} instances
   * sized appropriately to hold {@code expectedSize} elements.
   */
  @SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989

   */
  public static <B> Builder<B> orderedBy(Comparator<B> comparator) {
    return new Builder<>(comparator);
  }

  /**
   * Creates and returns a new builder, configured to build {@code MinMaxPriorityQueue} instances
   * sized appropriately to hold {@code expectedSize} elements.
   */
  @SuppressWarnings("rawtypes") // https://github.com/google/guava/issues/989

    ImmutableListMultimap.Builder<String, Integer> builder = ImmutableListMultimap.builder();
    builder.put("b", 3);
    builder.put("d", 2);
    builder.put("a", 5);
    builder.orderValuesBy(Collections.reverseOrder());
    builder.put("c", 4);
    builder.put("a", 2);
    builder.put("b", 6);
    ImmutableListMultimap<String, Integer> multimap = builder.build();

    ImmutableTable.Builder<Character, Integer, String> builder = ImmutableTable.builder();
    builder.orderRowsBy(Ordering.natural());
    builder.put('x', 2, "foo");
    builder.put('r', 1, "bar");
    builder.put('c', 3, "baz");
    builder.put('b', 7, "cat");
    builder.put('e', 5, "dog");
    builder.put('c', 0, "axe");
    builder.put('e', 3, "tub");
    builder.put('r', 4, "foo");

    ImmutableSetMultimap.Builder<String, Integer> builder = ImmutableSetMultimap.builder();
    builder.put("b", 3);
    builder.put("d", 2);
    builder.put("a", 5);
    builder.orderValuesBy(Collections.reverseOrder());
    builder.put("c", 4);
    builder.put("a", 2);
    builder.put("b", 6);
    ImmutableSetMultimap<String, Integer> multimap = builder.build();

  }

  @GwtIncompatible("Builder impl")
  public void testPresizedBuilderDedups() {
    ImmutableSet.Builder<String> builder = ImmutableSet.builderWithExpectedSize(4);
    builder.add("a");
    assertEquals(1, builder.size);
    builder.add("a");
    assertEquals(1, builder.size);
    builder.add("b", "c", "d");
    assertEquals(4, builder.size);
    Object[] table = builder.hashTable;
    assertNotNull(table);

    ImmutableMultiset.Builder<String> builder = ImmutableMultiset.builder();
    builder.addCopies("a", 2);
    builder.add("b");
    builder.add("c");
    builder.setCount("b", 0);
    ImmutableMultiset<String> multiset = builder.build();
    assertThat(multiset.elementSet()).containsExactly("a", "c").inOrder();
    builder.add("b");
    assertThat(builder.build().elementSet()).containsExactly("a", "c", "b").inOrder();

    ImmutableListMultimap.Builder<String, Integer> builder = ImmutableListMultimap.builder();
    builder.put("b", 3);
    builder.put("d", 2);
    builder.put("a", 5);
    builder.orderValuesBy(Collections.reverseOrder());
    builder.put("c", 4);
    builder.put("a", 2);
    builder.put("b", 6);
    ImmutableListMultimap<String, Integer> multimap = builder.build();

    ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterable<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();
      assertThrows(NullPointerException.class, () -> builder.addAll((Iterator<String>) null));
    }

    {
      ImmutableList.Builder<String> builder = ImmutableList.builder();

  }

  public void testBuilderPutNullValue() {
    Builder<String, Integer> builder = new Builder<>();
    assertThrows(NullPointerException.class, () -> builder.put("one", null));
  }

  public void testBuilderPutNullKeyViaPutAll() {
    Builder<String, Integer> builder = new Builder<>();
    assertThrows(
        NullPointerException.class,