void add(ModelProblem problem);

    ModelBuilderException newModelBuilderException();

    void setSource(String location);

    void setSource(Model model);

    String getSource();

    void setRootModel(Model model);

    Model getRootModel();

        Set<String> artifacts = new LinkedHashSet<>();
        Set<String> packages = new LinkedHashSet<>();

        try {
            Enumeration<URL> urls = loader.getResources(BUILDER.getExtensionDescriptorLocation());
            while (urls.hasMoreElements()) {

                try (InputStream is = urls.nextElement().openStream()) {

        cache[key] ?: return null
      } catch (_: IOException) {
        return null // Give up because the cache cannot be read.
      }

    val entry: Entry =
      try {
        Entry(snapshot.getSource(ENTRY_METADATA))
      } catch (_: IOException) {
        snapshot.closeQuietly()
        return null
      }

    val response = entry.response(snapshot)
    if (!entry.matches(request, response)) {

     */
    public MojoException(Throwable cause) {
        super(cause);
    }

    public String getLongMessage() {
        return longMessage;
    }

    public Object getSource() {
        return source;
    }

        this.columnNumber = columnNumber;
        this.modelId = (modelId != null) ? modelId : "";
        this.exception = exception;
        this.version = version;
    }

    @Override
    public String getSource() {
        return source;
    }

    @Override
    public int getLineNumber() {
        return lineNumber;
    }

    @Override
    public int getColumnNumber() {

                final IndexRequestBuilder indexRequestBuilder = new IndexRequestBuilder(client, IndexAction.INSTANCE, index);
                indexRequestBuilder.setId(item.getId()).setOpType(IndexRequest.OpType.INDEX).setSource(item.getSource());
                bulkRequestBuilder.add(indexRequestBuilder);
            }
        }

        final BulkResponse response = bulkRequestBuilder.execute().actionGet(settings.getBulkTimeout());

        return new DefaultSettingsProblem(
                problem.getMessage(),
                SettingsProblem.Severity.valueOf(problem.getSeverity().name()),
                problem.getSource(),
                problem.getLineNumber(),
                problem.getColumnNumber(),
                problem.getException());
    }

        this.setComponents(clone(original.getMojos(), this));
        this.setId(original.getId());
        this.setIsolatedRealm(original.isIsolatedRealm());
        this.setSource(original.getSource());
        this.setDependencies(original.getDependencies());
        this.setDependencyNode(original.getDependencyNode());
    }

        final String path = basePackage.replace('.', '/');
        final ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
        try {
            final Enumeration<URL> resources = classLoader.getResources(path);

            while (resources.hasMoreElements()) {
                final URL resource = resources.nextElement();
                logger.debug("loading {}", resource);

        tasks.register("checkstyleApi", Checkstyle.class, task -> {
            task.source(extension.getDocumentedSource());
            // TODO: This is ugly
            task.setConfig(project.getResources().getText().fromFile(checkstyle.getConfigDirectory().file("checkstyle-api.xml")));
            task.setClasspath(layout.files());