}

    protected <ENTITY extends ThumbnailQueue> ENTITY doSelectByPK(String id, Class<? extends ENTITY> tp) {
        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected ThumbnailQueueCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    public String toString() {
      return "another arbitrary string";
    }
  }

  private static class SubHandler1 extends DelegatingInvocationHandlerWithEquals {
    SubHandler1(Object delegate) {
      super(delegate);
    }
  }

  private static class SubHandler2 extends DelegatingInvocationHandlerWithEquals {
    SubHandler2(Object delegate) {
      super(delegate);
    }
  }

    result.usingGenerator(generator);
    return result;
  }

  @SuppressWarnings("rawtypes") // class literals
  @Override
  protected List<Class<? extends AbstractTester>> getTesters() {
    List<Class<? extends AbstractTester>> testers = copyToList(super.getTesters());
    testers.add(SetMultimapAsMapTester.class);
    testers.add(SetMultimapEqualsTester.class);
    testers.add(SetMultimapPutTester.class);

   *
   * @since 22.0
   */
  public static <T extends @Nullable Object, E>
      Collector<T, ?, ImmutableSortedMultiset<E>> toImmutableSortedMultiset(
          Comparator<? super E> comparator,
          Function<? super T, ? extends E> elementFunction,
          ToIntFunction<? super T> countFunction) {
    checkNotNull(comparator);
    checkNotNull(elementFunction);

@NullUnmarked
final class TestExceptions {
  static class SomeError extends Error {}

  static class SomeCheckedException extends Exception {}

  static class SomeOtherCheckedException extends Exception {}

  static class YetAnotherCheckedException extends Exception {}

  static class SomeUncheckedException extends RuntimeException {}

  static class SomeChainingException extends RuntimeException {

  /** A skeleton implementation for {@link SortedMultiset#elementSet}. */
  @SuppressWarnings("JdkObsolete") // TODO(b/6160855): Switch GWT emulations to NavigableSet.
  static class ElementSet<E extends @Nullable Object> extends Multisets.ElementSet<E>
      implements SortedSet<E> {
    @Weak private final SortedMultiset<E> multiset;

    ElementSet(SortedMultiset<E> multiset) {
      this.multiset = multiset;
    }

            return new ApiResult(this);
        }
    }

    /**
     * Represents an API response for an update operation.
     */
    public static class ApiUpdateResponse extends ApiResponse {
        /** The ID of the updated item. */
        protected String id;
        /** Whether the item was created (true) or updated (false). */
        protected boolean created;

        /**

   */
  @IgnoreJRERequirement // Users will use this only if they're already using streams.
  public static <T extends @Nullable Object, K, V>
      Collector<T, ?, ImmutableBiMap<K, V>> toImmutableBiMap(
          Function<? super T, ? extends K> keyFunction,
          Function<? super T, ? extends V> valueFunction) {
    return CollectCollectors.toImmutableBiMap(keyFunction, valueFunction);
  }

  /**

    }

    protected <ENTITY extends WebAuthentication> ENTITY doSelectByPK(String id, Class<? extends ENTITY> tp) {
        return doSelectEntity(xprepareCBAsPK(id), tp);
    }

    protected WebAuthenticationCB xprepareCBAsPK(String id) {
        assertObjectNotNull("id", id);
        return newConditionBean().acceptPK(id);
    }

    assertSame(map, ImmutableClassToInstanceMap.copyOf(map));
  }

  public void testCopyOf_map_nulls() {
    Map<Class<? extends Number>, Number> nullKey = singletonMap(null, (Number) 1.0);
    assertThrows(NullPointerException.class, () -> ImmutableClassToInstanceMap.copyOf(nullKey));

    Map<? extends Class<? extends Number>, Number> nullValue = singletonMap(Number.class, null);