StandardImplForwardingSet(Set<T> backingSet) {
      this.backingSet = backingSet;
    }

    @Override
    protected Set<T> delegate() {
      return backingSet;
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return standardEquals(object);
    }

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

    @Override

  @AndroidIncompatible // Reflection bug, or actual binary compatibility problem?
  public void testElementSetBridgeMethods() {
    for (Method m : TreeMultiset.class.getMethods()) {
      if (m.getName().equals("elementSet") && m.getReturnType().equals(SortedSet.class)) {
        return;
      }
    }
    fail("No bridge method found");
  }

    }

    @Override
    public int count(@Nullable Object element) {
      return standardCount(element);
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return standardEquals(object);
    }

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

    @Override

  }

  public void testEquals_immutableList() {
    Collection<String> c = ImmutableList.of("a", "b", "c");
    assertTrue(c.equals(ImmutableList.of("a", "b", "c")));
    assertFalse(c.equals(ImmutableList.of("a", "c", "b")));
    assertFalse(c.equals(ImmutableList.of("a", "b")));
    assertFalse(c.equals(ImmutableList.of("a", "b", "c", "d")));
  }

  public void testBuilderAdd() {
    ImmutableList<String> list =

    }
  }

  private static class Collider {
    final int value;

    Collider(int value) {
      this.value = value;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      return obj instanceof Collider && ((Collider) obj).value == value;
    }

    @Override
    public int hashCode() {
      return 1; // evil!
    }
  }

      return standardToArray(array);
    }

    @Override
    public String toString() {
      return standardToString();
    }

    @Override
    public boolean equals(@Nullable Object object) {
      return standardEquals(object);
    }

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

    @Override

          equal(getMap().get(entry.getKey()), entry.getValue()));
    }
  }

  private static boolean equal(@Nullable Object a, @Nullable Object b) {
    return a == b || (a != null && a.equals(b));
  }

  // This one-liner saves us from some ugly casts
  protected Entry<K, V> entry(K key, V value) {
    return mapEntry(key, value);
  }

  @Override

      Object candidateKey = entry.getKey();

      /*
       * Assume that equals uses the == optimization when appropriate, and that
       * it would check hash codes as an optimization when appropriate. If we
       * did these things, it would just make things worse for the most
       * performance-conscious users.
       */
      if (key.equals(candidateKey)) {
        return entry.getValue();
      }
    }

      this.name = name;
      this.parameterTypes = parameterTypes;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof Signature) {
        Signature that = (Signature) obj;
        return name.equals(that.name) && parameterTypes.equals(that.parameterTypes);
      }
      return false;
    }

    @Override
    public int hashCode() {

       *
       * 1. On Android, querying a WeakReference blocks if the GC is doing an otherwise-concurrent
       * pass.
       *
       * 2. We would probably choose to compare exceptions using == instead of equals() (for
       * consistency with how weak references are cleared). That's a behavior change -- arguably the
       * removal of a feature.
       *