assertThrows(IllegalStateException.class, n1Predecessors::size));
    assertNodeRemovedFromGraphErrorMessage(
        assertThrows(IllegalStateException.class, n1Successors::size));
    assertNodeRemovedFromGraphErrorMessage(
        assertThrows(IllegalStateException.class, n1IncidentEdges::size));

    assertThat(n2AdjacentNodes).isEmpty();
    assertThat(n2Predecessors).isEmpty();
    assertThat(n2Successors).isEmpty();

     */
    @Override
    public ImmutableBiMap<K, V> buildOrThrow() {
      if (size == 0) {
        return of();
      }
      if (valueComparator != null) {
        if (entriesUsed) {
          alternatingKeysAndValues = Arrays.copyOf(alternatingKeysAndValues, 2 * size);
        }
        sortEntries(alternatingKeysAndValues, size, valueComparator);
      }
      entriesUsed = true;

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testAsMapRemove() {
    assertContentsInOrder(multimap().asMap().remove(k0()), v0());
    assertGet(k0());
    assertEquals(getNumElements() - 1, multimap().size());
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(SUPPORTS_PUT)
  public void testAsMapEntrySetReflectsPutSameKey() {
    resetContainer(Helpers.mapEntry(k0(), v0()), Helpers.mapEntry(k0(), v3()));

      }

      @Override
      boolean isPartialView() {
        return IndexedImmutableSet.this.isPartialView();
      }

      @Override
      public int size() {
        return IndexedImmutableSet.this.size();
      }

      // redeclare to help optimizers with b/310253115
      @SuppressWarnings("RedundantOverride")
      @Override
      @J2ktIncompatible // serialization

    assertEquals(i18nHash, Files.hash(i18nFile, Hashing.md5()).toString());
  }

  public void testMap() throws IOException {
    // Test data
    int size = 1024;
    byte[] bytes = newPreFilledByteArray(size);

    // Setup
    File file = createTempFile();
    Files.write(bytes, file);

    // Test
    MappedByteBuffer actual = Files.map(file);

    // Verify

    try {
      Preconditions.checkElementIndex(1, 1);
      fail();
    } catch (IndexOutOfBoundsException expected) {
      assertThat(expected).hasMessageThat().isEqualTo("index (1) must be less than size (1)");
    }
  }

  public void testCheckElementIndex_withDesc_negative() {
    try {
      Preconditions.checkElementIndex(-1, 1, "foo");
      fail();
    } catch (IndexOutOfBoundsException expected) {

        assertTrue(multimap().put(key, value));
        expectedValues.add(value);

        assertGet(key, expectedValues);
        assertEquals(value, values.get(values.size() - 1));
      }
    }
  }

  @MapFeature.Require(SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPutDuplicateValue() {
    List<Entry<K, V>> entries = copyToList(multimap().entries());

    Collections.sort(values, sortedSet.comparator());

    // some tests assume SEVERAL == 3
    if (values.size() >= 1) {
      a = values.get(0);
      if (values.size() >= 3) {
        b = values.get(1);
        c = values.get(2);
      }
    }
  }

  @CollectionSize.Require(ZERO)
  public void testEmptySetFirst() {
    try {

    int initialSize = getNumElements();
    Iterator<K> iterator = getMap().keySet().iterator();
    iterator.next();
    iterator.remove();
    assertEquals(initialSize - 1, getMap().size());
    assertEquals(initialSize - 1, getMap().inverse().size());
  }

    int initialSize = getNumElements();
    Iterator<K> iterator = getMap().keySet().iterator();
    iterator.next();
    iterator.remove();
    assertEquals(initialSize - 1, getMap().size());
    assertEquals(initialSize - 1, getMap().inverse().size());
  }