return new ForwardingRunnable(runnable) {

              @SuppressWarnings("EqualsHashCode")
              @Override
              public boolean equals(@Nullable Object o) {
                if (o instanceof ForwardingRunnable) {
                  ForwardingRunnable that = (ForwardingRunnable) o;
                  return runnable.equals(that.runnable);
                }
                return false;
              }

      // Overridden to prevent a ton of boxing
      return (target instanceof Double)
          && Doubles.indexOf(array, (Double) target, start, end) != -1;
    }

    @Override
    public int indexOf(@Nullable Object target) {
      // Overridden to prevent a ton of boxing
      if (target instanceof Double) {
        int i = Doubles.indexOf(array, (Double) target, start, end);
        if (i >= 0) {

    } else {
      return graph.adjacentNodes(node).size();
    }
  }

  @Override
  public boolean contains(@Nullable Object obj) {
    if (!(obj instanceof EndpointPair)) {
      return false;
    }
    EndpointPair<?> endpointPair = (EndpointPair<?>) obj;

    if (graph.isDirected() != endpointPair.isOrdered()) {
      return false;
    }

   * identically to this equivalence.
   *
   * <p><b>Warning: do not depend</b> on the behavior of this method.
   *
   * <p>Historically, {@code Equivalence} instances in this library have implemented this method to
   * recognize certain cases where distinct {@code Equivalence} instances would in fact behave
   * identically. However, as code migrates to {@code java.util.function}, that behavior will
   * disappear. It is best not to depend on it.
   */

  /** Constructor for use by subclasses. */
  public AbstractGraph() {}

  @Override
  public final boolean equals(@Nullable Object obj) {
    if (obj == this) {
      return true;
    }
    if (!(obj instanceof Graph)) {
      return false;
    }
    Graph<?> other = (Graph<?>) obj;

    return isDirected() == other.isDirected()
        && nodes().equals(other.nodes())
        && edges().equals(other.edges());
  }

    @Override
    public Builder<E> addAll(Iterable<? extends E> elements) {
      checkNotNull(elements);
      if (elements instanceof Collection) {
        Collection<?> collection = (Collection<?>) elements;
        ensureRoomFor(collection.size());
        if (collection instanceof ImmutableCollection) {
          ImmutableCollection<?> immutableCollection = (ImmutableCollection<?>) collection;

    MyInt(int i) {
      this.i = i;
    }

    @Override
    public int hashCode() {
      return i;
    }

    @Override
    public boolean equals(Object o) {
      return o instanceof MyInt && ((MyInt) o).i == i;
    }
  }

  public void testAsFunction_simplistic() {
    String canonical = "a";
    String not = new String("a");

    Function<String, String> internerFunction =

                return Optional.ofNullable(userToolchainsSource);
            }

            @Override
            public boolean equals(Object o) {
                return o instanceof DefaultToolchainsBuilderRequest that
                        && Objects.equals(installationToolchainsSource, that.installationToolchainsSource)

                logReactorSummary(event.getSession());
            }

            ILoggerFactory iLoggerFactory = LoggerFactory.getILoggerFactory();

            if (iLoggerFactory instanceof org.apache.maven.logging.api.LogLevelRecorder recorder
                    && recorder.hasReachedMaxLevel()) {
                event.getSession()
                        .getResult()
                        .addException(

        return getFile().toURI();
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (!(obj instanceof FileModelSource)) {
            return false;
        }
        FileModelSource other = (FileModelSource) obj;
        return getFile().equals(other.getFile());
    }

    @Override
    public int hashCode() {