this.validator = validator;
    this.errorMessage = errorMessage;
  }

  // Override hashCode() to access delegate directly (so that it doesn't trigger the validate() call
  // via delegate()); it seems inappropriate to throw ISE on this method.
  @Override
  public int hashCode() {
    return delegate.hashCode();
  }

  private void validate() {

    private final HashCode implementationHash;
    private final byte[] serializedValue;

    public GradleSerializedValueSnapshot(
        @Nullable HashCode implementationHash,
        byte[] serializedValue
    ) {
        this.implementationHash = implementationHash;
        this.serializedValue = serializedValue;
    }

    @Nullable
    public HashCode getImplementationHash() {

    override val token: KaLifetimeToken get() = backingParameterSymbol.token
    public val parameterSymbol: KaParameterSymbol get() = withValidityAssertion { backingParameterSymbol }
    override fun hashCode(): Int = backingParameterSymbol.hashCode()
    override fun equals(other: Any?): Boolean {
        return this === other || other is KaContractBooleanValueParameterExpression && other.backingParameterSymbol == backingParameterSymbol
    }
}

    for (E element : getOrderedElements()) {
      expectedHashCode = 31 * expectedHashCode + ((element == null) ? 0 : element.hashCode());
    }
    assertEquals(
        "A List's hashCode() should be computed from those of its elements.",
        expectedHashCode,
        getList().hashCode());
  }

  /**
   * Returns the {@link Method} instance for {@link #testHashCode()} so that list tests on

            int hashCode = artifact.getComponentIdentifier().hashCode();
            hashCode = 31 * hashCode + artifact.getFileName().hashCode();
            hashCode = 31 * hashCode + repositoryId.hashCode();
            return hashCode;
        }

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

        this.version = version;
        this.hashCode = Objects.hash(groupId, artifactId, version);
    }

    public String getGroupId() {
        return groupId;
    }

    public String getArtifactId() {
        return artifactId;
    }

    public String getVersion() {
        return version;
    }

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

    @Override

        IndexedCacheParameters<HashCode, V> parameters = IndexedCacheParameters.of(name, hashCodeSerializer, serializer)
            .withCacheDecorator(inMemoryCacheDecoratorFactory.decorator(normalizedCacheSize, true));
        IndexedCache<HashCode, V> store = cache.createIndexedCache(parameters);

    public boolean apply(CharSequence t) {
      return pattern.matcher(t).find();
    }

    @Override
    public int hashCode() {
      // Pattern uses Object.hashCode, so we have to reach
      // inside to build a hashCode consistent with equals.

      return Objects.hashCode(pattern.pattern(), pattern.flags());
    }

    @Override
    public boolean equals(@CheckForNull Object obj) {

   * public int hashCode() {
   *   return Objects.hashCode(getX(), getY(), getZ());
   * }
   * }</pre>
   *
   * <p><b>Warning:</b> When a single object is supplied, the returned hash code does not equal the
   * hash code of that object.
   *
   * <p><b>Java 7+ users:</b> This method should be treated as deprecated; use {@link
   * java.util.Objects#hash} instead.
   */

  /**
   * A sensible definition of {@link #hashCode()} in terms of {@link #getKey()} and {@link
   * #getValue()}. If you override either of these methods, you may wish to override {@link
   * #hashCode()} to forward to this implementation.
   *
   * @since 7.0
   */
  protected int standardHashCode() {
    K k = getKey();
    V v = getValue();
    return ((k == null) ? 0 : k.hashCode()) ^ ((v == null) ? 0 : v.hashCode());
  }