*
   * @since 16.0
   */
  public abstract static class ListMultimapBuilder<
          K0 extends @Nullable Object, V0 extends @Nullable Object>
      extends MultimapBuilder<K0, V0> {
    ListMultimapBuilder() {}

    @Override
    public abstract <K extends K0, V extends V0> ListMultimap<K, V> build();

    @Override
    public <K extends K0, V extends V0> ListMultimap<K, V> build(

   *
   * @since 16.0
   */
  public abstract static class ListMultimapBuilder<
          K0 extends @Nullable Object, V0 extends @Nullable Object>
      extends MultimapBuilder<K0, V0> {
    ListMultimapBuilder() {}

    @Override
    public abstract <K extends K0, V extends V0> ListMultimap<K, V> build();

    @Override
    public <K extends K0, V extends V0> ListMultimap<K, V> build(

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *

  // For discussion of <? extends Object>, see getAllPresent.
  public void invalidateAll(Iterable<? extends Object> keys) {
    delegate().invalidateAll(keys);
  }

  @Override
  public void invalidateAll() {
    delegate().invalidateAll();
  }

  @Override
  public long size() {
    return delegate().size();
  }

  @Override
  public CacheStats stats() {
    return delegate().stats();
  }

    }

    @Override
    public String id() {
        return id;
    }

    @Override
    public Language getLanguage() {
        return language;
    }

    @Override
    public String getExtension() {
        return extension;
    }

    @Override
    public String getClassifier() {
        return classifier;
    }

    @Override
    public boolean isIncludesDependencies() {

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    public String getLogMessage() {
        return getId();
    }

    public LocalDateTime getRequestedAt() {
        return getUpdatedAt();
    }

    public void addField(final String key, final Object value) {
        fields.put(key, value);
    }

   */
  @Test
  public abstract void incidentEdges_checkReturnedSetMutability();

  @Test
  public void nodes_oneNode() {
    addNode(N1);
    assertThat(graph.nodes()).containsExactly(N1);
  }

  @Test
  public void nodes_noNodes() {
    assertThat(graph.nodes()).isEmpty();
  }

  @Test
  public void adjacentNodes_oneEdge() {
    putEdge(N1, N2);

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *

    return false;
  }

  public void testClear() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    if (supportsRemove()) {
      table.clear();
      assertEquals(0, table.size());
      assertFalse(table.containsRow("foo"));
    } else {
      assertThrows(UnsupportedOperationException.class, () -> table.clear());
    }
  }

  public void testPut() {

  @Override
  protected abstract SortedMap<K, V> delegate();

  @Override
  public @Nullable Comparator<? super K> comparator() {
    return delegate().comparator();
  }

  @Override
  @ParametricNullness
  public K firstKey() {
    return delegate().firstKey();
  }

  @Override
  public SortedMap<K, V> headMap(@ParametricNullness K toKey) {
    return delegate().headMap(toKey);
  }