hasher.putString(getClass().getName());
    }

    @Override
    Optional<HashCode> tryHash(RegularFileSnapshotContext snapshotContext) {
        return Optional.of(snapshotContext)
            .flatMap(IoFunction.wrap(this::hashContent));
    }

    @Override
    Optional<HashCode> tryHash(ZipEntryContext zipEntryContext) {
        return Optional.of(zipEntryContext)

        this.componentIdentifier = componentIdentifier;
        this.name = artifact;
        this.hashCode = 31 * name.hashCode() + componentIdentifier.hashCode();
    }

    @Override
    public String getFileName() {
        String classifier = StringUtils.isNotEmpty(name.getClassifier()) ? "-" + name.getClassifier() : "";

        this.origin = origin;
        this.reason = reason;
        this.hashCode = computeHashcode();
    }

    private int computeHashcode() {
        int result = kind.hashCode();
        result = 31 * result + value.hashCode();
        result = 31 * result + (alternatives != null ? alternatives.hashCode() : 0);
        result = 31 * result + (origin != null ? origin.hashCode() : 0);

    public val right: KaContractBooleanExpression get() = withValidityAssertion { backingRight }
    public val operation: KaLogicOperation get() = withValidityAssertion { backingOperation }

    override fun hashCode(): Int = Objects.hashCode(backingLeft, backingRight, backingOperation)
    override fun equals(other: Any?): Boolean {
        return this === other ||
                other is KaContractBinaryLogicExpression &&

        MavenArtifactRepositorySubclass r3 = new MavenArtifactRepositorySubclass("bar");

        assertTrue(r1.hashCode() == r2.hashCode());
        assertFalse(r1.hashCode() == r3.hashCode());

        assertTrue(r1.equals(r2));
        assertTrue(r2.equals(r1));

        assertFalse(r1.equals(r3));
        assertFalse(r3.equals(r1));
    }

   * 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.
   */

            int hash = 17;
            hash = hash * 31 + Objects.hashCode(groupId);
            hash = hash * 31 + Objects.hashCode(artifactId);
            hash = hash * 31 + Objects.hashCode(version);
            hash = hash * 31 + Objects.hashCode(dependencyArtifacts);
            hash = hash * 31 + Objects.hashCode(workspace);
            hash = hash * 31 + Objects.hashCode(localRepo);

        return Arrays.equals(actualContent, that.actualContent);
    }

    @Override
    public int hashCode() {
        int result = message != null ? message.hashCode() : 0;
        result = 31 * result + (className != null ? className.hashCode() : 0);
        result = 31 * result + (stacktrace != null ? stacktrace.hashCode() : 0);
        result = 31 * result + (isAssertionFailure ? 1 : 0);

            hash = hash * 31 + CacheUtils.pluginHashCode(plugin);
            hash = hash * 31 + Objects.hashCode(workspace);
            hash = hash * 31 + Objects.hashCode(localRepo);
            hash = hash * 31 + RepositoryUtils.repositoriesHashCode(repositories);
            hash = hash * 31 + Objects.hashCode(extensionFilter);
            this.hashCode = hash;
        }

        @Override
        public String toString() {

    }

    @Override
    public int hashCode() {
        int result = super.hashCode();
        result = 31 * result + (requiredVersion != null ? requiredVersion.hashCode() : 0);
        result = 31 * result + (preferredVersion != null ? preferredVersion.hashCode() : 0);
        result = 31 * result + (strictVersion != null ? strictVersion.hashCode() : 0);