return this.first.equals(that.first) && this.second.equals(that.second);
      }
      return false;
    }

    @Override
    public int hashCode() {
      return 31 * first.hashCode() + second.hashCode();
    }

    @Override
    public String toString() {
      return first + ".andThen(" + second + ")";
    }

    }
  }

  override fun equals(other: Any?): Boolean =
    other is AndroidCertificateChainCleaner &&
      other.trustManager === this.trustManager

  override fun hashCode(): Int = System.identityHashCode(trustManager)

  companion object {
    @SuppressSignatureCheck
    fun buildIfSupported(trustManager: X509TrustManager): AndroidCertificateChainCleaner? {
      val extensions =

  override fun hashCode(): Int {
    var result = 17
    result = 31 * result + name.hashCode()
    result = 31 * result + value.hashCode()
    result = 31 * result + expiresAt.hashCode()
    result = 31 * result + domain.hashCode()
    result = 31 * result + path.hashCode()
    result = 31 * result + secure.hashCode()
    result = 31 * result + httpOnly.hashCode()

      return this.presentFeatures.equals(that.presentFeatures)
          && this.absentFeatures.equals(that.absentFeatures);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return presentFeatures.hashCode() * 31 + absentFeatures.hashCode();
  }

  @Override
  public String toString() {
    return "{TesterRequirements: present=" + presentFeatures + ", absent=" + absentFeatures + "}";
  }

      Headers
        .Builder()
        .add("Connection", "close")
        .add("Transfer-Encoding", "chunked")
        .build()
    assertThat(headers2).isEqualTo(headers1)
    assertThat(headers2.hashCode()).isEqualTo(headers1.hashCode())
  }

  @Test fun headersNotEquals() {
    val headers1 =
      Headers
        .Builder()
        .add("Connection", "close")
        .add("Transfer-Encoding", "chunked")

          !item.equals(NotAnInstance.EQUAL_TO_NOTHING));
      assertTrue(item + " must be Object#equals to itself", item.equals(item));
      assertEquals(
          "the Object#hashCode of " + item + " must be consistent",
          item.hashCode(),
          item.hashCode());
      if (!(item instanceof String)) {
        assertTrue(
            item + " must not be Object#equals to its Object#toString representation",

    //                                                                      ==============
    @Override
    public String toString() {
        final String hash = Integer.toHexString(hashCode());
        return DfTypeUtil.toClassTitle(this) + ":{acceptCookieLocale=" + isAcceptCookieLocale() + "}@" + hash;
    }

  }

  /*
   * equals() and hashCode() are more specific in the Set contract.
   */

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof Set) {
      Set<?> that = (Set<?>) object;
      return (this.size() == that.size()) && this.containsAll(that);
    }
    return false;
  }

  @Override
  public int hashCode() {
    int hashCodeSum = 0;

  }

  /*
   * equals() and hashCode() are more specific in the Set contract.
   */

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof Set) {
      Set<?> that = (Set<?>) object;
      return (this.size() == that.size()) && this.containsAll(that);
    }
    return false;
  }

  @Override
  public int hashCode() {
    int hashCodeSum = 0;

    hasher.putBytes(bytes, off, len);
    out.write(bytes, off, len);
  }

  /**
   * Returns the {@link HashCode} based on the data written to this stream. The result is
   * unspecified if this method is called more than once on the same instance.
   */
  public HashCode hash() {
    return hasher.hash();
  }

  // Overriding close() because FilterOutputStream's close() method pre-JDK8 has bad behavior: