&& a1.isOptional() == a2.isOptional();
    }

    private static int repositoryHashCode(ArtifactRepository repository) {
        int result = 17;
        result = 31 * result + (repository.getId() != null ? repository.getId().hashCode() : 0);
        return result;
    }

    private static int repositoriesHashCode(List<ArtifactRepository> repositories) {
        int result = 17;

  interface Base {
    CharSequence getId();
  }

  interface Sub extends Base {
    @Override
    String getId();
  }

  private static class ForwardingSub implements Sub {
    private final Sub delegate;

    ForwardingSub(Sub delegate) {
      this.delegate = delegate;
    }

    @Override
    public String getId() {
      return delegate.getId();
    }

    @Override

        return userLocalArtifactRepository.pathOfLocalRepositoryMetadata(metadata, repository);
    }

    @Override
    public String getId() {
        return userLocalArtifactRepository.getId();
    }

    @Override
    public String pathOf(Artifact artifact) {
        return userLocalArtifactRepository.pathOf(artifact);
    }

    @Override

                context.logger.warn(
                        "* " + extension.getId() + " configured in " + formatLocation(extension.getLocation("")));
            }
        }

        context.logger.debug("Selected core extensions (in loading order):");
        for (CoreExtension source : selectedExtensions.values()) {
            context.logger.debug("* " + source.getId() + ": " + formatLocation(source.getLocation("")));
        }

    /**
     * Get the ID of this phase, e.g.,
     * <code>generate-sources</code>.
     *
     * @return String
     */
    public String getId() {
        return this.id;
    } // -- String getId()

    /**
     * Method removeExecution.
     *
     * @param execution a execution object.
     */
    public void removeExecution(Execution execution) {

    private static final char PATH_SEPARATOR = '/';

    private static final char GROUP_SEPARATOR = '.';

    private static final char ARTIFACT_SEPARATOR = '-';

    @Override
    public String getId() {
        return "default";
    }

    @Override
    public String pathOf(Artifact artifact) {
        ArtifactHandler artifactHandler = artifact.getArtifactHandler();

        StringBuilder repos = new StringBuilder("[");

        if (localRepository != null) {
            repos.append(localRepository.getId())
                    .append(" (")
                    .append(localRepository.getBasedir())
                    .append(")");
        }

        if (remoteRepositories != null && !remoteRepositories.isEmpty()) {

        assertNotNull(active);
        assertEquals(1, active.size());
        assertEquals("defaultActivated", ((Profile) active.get(0)).getId());
    }

    @Test
    void testShouldNotActivateDefaultProfile() throws Exception {
        Profile syspropActivated = new Profile();
        syspropActivated.setId("syspropActivated");

        Activation syspropActivation = new Activation();

        if (version == null || version.length() <= 0) {
            problems.add(new ModelProblemCollectorRequest(Severity.ERROR, Version.BASE)
                    .setMessage("Failed to determine Java version for profile " + profile.getId())
                    .setLocation(activation.getLocation("jdk")));
            return false;
        }

        if (jdk.startsWith("!")) {
            return !version.startsWith(jdk.substring(1));

                repository, legacySupport.getSession().getSettings().getMirrors());

        if (mirror != null) {
            String id = mirror.getId();
            if (id == null) {
                // TODO this should be illegal in settings.xml
                id = repository.getId();
            }

            log.debug("Using mirror: " + mirror.getUrl() + " (id: " + id + ")");