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

            ByteArrayOutputStream os = new ByteArrayOutputStream(1024);
            PrintStream ps = new PrintStream(os);
            ps.println(
                    "A required class was missing while executing " + mojoDescriptor.getId() + ": " + e.getMessage());
            pluginRealm.display(ps);
            Exception wrapper = new PluginContainerException(mojoDescriptor, pluginRealm, os.toString(), e);

            }
            item = newItem;
        }

        public ProtwordsItem write(final ProtwordsItem oldItem) {
            try {
                if ((item == null) || (item.getId() != oldItem.getId()) || !item.isUpdated()) {
                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }

            problems.add(
                    BuilderProblem.Severity.ERROR,
                    ModelProblem.Version.BASE,
                    "The property name is required to activate the profile " + profile.getId(),
                    property.getLocation(""));
            return false;
        }

        String sysValue = context.getUserProperties().get(name);
        if (sysValue == null) {

        }
        return result;
    }

    public static String getLayout(ArtifactRepository repo) {
        try {
            return repo.getLayout().getId();
        } catch (LinkageError e) {
            /*
             * NOTE: getId() was added in 3.x and is as such not implemented by plugins compiled against 2.x APIs.
             */
            String className = repo.getLayout().getClass().getSimpleName();

        this.artifact = artifact;
    }

    private static String constructMessage(MavenProject project, Artifact artifact) {
        return DEFAULT_MESSAGE + " (project: " + project.getId() + "; illegal attachment: " + artifact.getId() + ")";
    }

    public MavenProject getProject() {
        return project;
    }

    public Artifact getArtifact() {
        return artifact;
    }

                classifier,
                artifactHandler,
                parent.isOptional());

        setDependencyTrail(Collections.singletonList(parent.getId()));

        this.parent = parent;

        if (getId().equals(parent.getId())) {
            throw new InvalidArtifactRTException(
                    parent.getGroupId(),
                    parent.getArtifactId(),
                    parent.getVersion(),

                LOGGER.warn("");
                LOGGER.warn(
                        "Some problems were encountered while building the effective model for '{}'",
                        result.getProject().getId());

                for (ModelProblem problem : result.getProblems()) {
                    String loc = ModelProblemUtils.formatLocation(problem, result.getProjectId());

@Singleton
@Deprecated
public class FlatRepositoryLayout implements ArtifactRepositoryLayout {

    private static final char ARTIFACT_SEPARATOR = '-';

    private static final char GROUP_SEPARATOR = '.';

    public String getId() {
        return "flat";
    }

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

        StringBuilder path = new StringBuilder(128);

            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
        }
        return asJson(new ApiResult.ApiUpdateResponse().id(entity.getId()).created(true).status(ApiResult.Status.OK).result());
    }

    // POST /api/admin/pathmap/setting
    @Execute
    public JsonResponse<ApiResult> post$setting(final EditBody body) {