@Override
    Set<E> delegate() {
      return (Set<E>) super.delegate();
    }

    @Override
    public boolean equals(@CheckForNull Object o) {
      if (o == this) {
        return true;
      }
      synchronized (mutex) {
        return delegate().equals(o);
      }
    }

    @Override
    public int hashCode() {
      synchronized (mutex) {
        return delegate().hashCode();

                } else if ("ivy-module".equals(qName)) {
                    ivyModuleStarted(attributes);
                } else if ("info".equals(qName)) {
                    infoStarted(attributes);
                } else if (state == State.INFO && "extends".equals(qName)) {
                    extendsStarted(attributes);
                } else if (state == State.INFO && "license".equals(qName)) {

      }
      return false;
    }

    @Override
    public boolean equals(@CheckForNull Object obj) {
      if (obj instanceof PowerSet) {
        PowerSet<?> that = (PowerSet<?>) obj;
        return inputSet.keySet().equals(that.inputSet.keySet());
      }
      return super.equals(obj);
    }

    @Override
    public int hashCode() {
      /*

    @Override
    Set<E> delegate() {
      return (Set<E>) super.delegate();
    }

    @Override
    public boolean equals(@CheckForNull Object o) {
      if (o == this) {
        return true;
      }
      synchronized (mutex) {
        return delegate().equals(o);
      }
    }

    @Override
    public int hashCode() {
      synchronized (mutex) {
        return delegate().hashCode();

            validateStringNotEmpty(
                    "parent.artifactId", problems, Severity.FATAL, Version.BASE, parent.getArtifactId(), parent);

            if (equals(parent.getGroupId(), m.getGroupId()) && equals(parent.getArtifactId(), m.getArtifactId())) {
                addViolation(
                        problems,
                        Severity.FATAL,
                        Version.BASE,

      }
      return false;
    }

    @Override
    public boolean equals(@CheckForNull Object obj) {
      if (obj instanceof PowerSet) {
        PowerSet<?> that = (PowerSet<?>) obj;
        return inputSet.keySet().equals(that.inputSet.keySet());
      }
      return super.equals(obj);
    }

    @Override
    public int hashCode() {
      /*

                Matcher m = EXPRESSION_NAME_PATTERN.matcher(repository.getUrl());
                while (m.find()) {
                    if (!("basedir".equals(m.group(1))
                            || "project.basedir".equals(m.group(1))
                            || "project.baseUri".equals(m.group(1)))) {
                        validateStringNoExpression(
                                prefix + prefix2 + "[" + repository.getId() + "].url",

        if ("always".equals(styleColor) || "yes".equals(styleColor) || "force".equals(styleColor)) {
            MessageUtils.setColorEnabled(true);
        } else if ("never".equals(styleColor) || "no".equals(styleColor) || "none".equals(styleColor)) {
            MessageUtils.setColorEnabled(false);
        } else if (!"auto".equals(styleColor) && !"tty".equals(styleColor) && !"if-tty".equals(styleColor)) {

        /*
         * if ( version == null || !version.equals( parent.getVersion() ) ) { return null; }
         */

        return new ModelData(candidateSource, candidateModel);
    }

    private boolean rawChildVersionReferencesParent(String rawChildModelVersion) {
        return rawChildModelVersion.equals("${pom.version}")
                || rawChildModelVersion.equals("${project.version}")

   * #newListMultimap}, {@link #newSetMultimap} or {@link #newSortedSetMultimap} instead, to avoid
   * very surprising behavior from {@link Multimap#equals}.
   *
   * <p>The {@code factory}-generated and {@code map} classes determine the multimap iteration
   * order. They also specify the behavior of the {@code equals}, {@code hashCode}, and {@code
   * toString} methods for the multimap and its returned views. However, the multimap's {@code get}