}

    @Override
    public boolean equals(@CheckForNull Object obj) {
      if (NativeTypeVariableEquals.NATIVE_TYPE_VARIABLE_ONLY) {
        // equal only to our TypeVariable implementation with identical bounds
        if (obj != null
            && Proxy.isProxyClass(obj.getClass())
            && Proxy.getInvocationHandler(obj) instanceof TypeVariableInvocationHandler) {

    @ParametricNullness
    public T get() {
      return function.apply(supplier.get());
    }

    @Override
    public boolean equals(@CheckForNull Object obj) {
      if (obj instanceof SupplierComposition) {
        SupplierComposition<?, ?> that = (SupplierComposition<?, ?>) obj;
        return function.equals(that.function) && supplier.equals(that.supplier);
      }
      return false;
    }

    @Override

      return new OrderedPermutationIterator<E>(inputList, comparator);
    }

    @Override
    public boolean contains(@CheckForNull Object obj) {
      if (obj instanceof List) {
        List<?> list = (List<?>) obj;
        return isPermutation(inputList, list);
      }
      return false;
    }

    @Override
    public String toString() {

      return new OrderedPermutationIterator<E>(inputList, comparator);
    }

    @Override
    public boolean contains(@CheckForNull Object obj) {
      if (obj instanceof List) {
        List<?> list = (List<?>) obj;
        return isPermutation(inputList, list);
      }
      return false;
    }

    @Override
    public String toString() {

    }

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

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof FreshInvocationHandler) {
        FreshInvocationHandler that = (FreshInvocationHandler) obj;
        return identity == that.identity;
      }
      return false;
    }

    @Override
    public String toString() {

      this.closeable = closeable;
      this.thrown = thrown;
      this.suppressed = suppressed;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof Suppression) {
        Suppression other = (Suppression) obj;
        return closeable.equals(other.closeable)
            && thrown.equals(other.thrown)
            && suppressed.equals(other.suppressed);
      }
      return false;

    // needed for serialization
    AbstractCell() {}

    @Override
    public boolean equals(@CheckForNull Object obj) {
      if (obj == this) {
        return true;
      }
      if (obj instanceof Cell) {
        Cell<?, ?, ?> other = (Cell<?, ?, ?>) obj;
        return Objects.equal(getRowKey(), other.getRowKey())
            && Objects.equal(getColumnKey(), other.getColumnKey())

    @GwtIncompatible // serialization
    Object writeReplace() {
      return super.writeReplace();
    }
  }

  @Override
  public boolean equals(@CheckForNull Object obj) {
    return Lists.equalsImpl(this, obj);
  }

  @Override
  public int hashCode() {
    int hashCode = 1;
    int n = size();
    for (int i = 0; i < n; i++) {
      hashCode = 31 * hashCode + get(i).hashCode();

    }

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

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof FreshInvocationHandler) {
        FreshInvocationHandler that = (FreshInvocationHandler) obj;
        return identity == that.identity;
      }
      return false;
    }

    @Override
    public String toString() {

    private Integer getUid(Object obj) {
      Integer uid = uids.get(obj);
      if (uid == null) {
        // One or more integer values could be skipped in the event of a race
        // to generate a UID for the same object from multiple threads, but
        // that shouldn't be a problem.
        uid = counter.getAndIncrement();
        Integer alreadySet = uids.putIfAbsent(obj, uid);
        if (alreadySet != null) {