* @param type The type of the class realm, must not be {@code null}.
     * @param parent The parent realm for the new realm, may be {@code null}.
     * @param parentImports The packages/types to import from the parent realm, may be {@code null}.
     * @param foreignImports The packages/types to import from foreign realms, may be {@code null}.

     *            The content. Must not be {@literal null}.
     * @param encoding
     *            The encoding. If {@literal null}, the platform's default encoding will be used.
     * @return {@link InputStream}
     */
    public static InputStream getContentsAsStream(final String contents, final String encoding) {
        assertArgumentNotNull("contents", contents);

        if (encoding == null) {

        } catch (final MissingResourceException ignore) {
            return null;
        }
    }

    /**
     * Returns the bundle. Returns <code>null</code> if not found.
     *
     * @param name the resource bundle name (must not be {@literal null} or empty)
     * @param locale the locale
     * @param classLoader the class loader (must not be {@literal null} or empty)
     * @return {@link ResourceBundle}

    }

    /**
     * Gets the model that could not be built properly.
     *
     * @return The erroneous model or {@code null} if not available.
     */
    public Model getModel() {
        if (result == null) {
            return null;
        }
        if (result.getEffectiveModel() != null) {
            return result.getEffectiveModel();
        }
        return result.getRawModel();
    }

    /**

                        null,
                        "pom.xml",
                        25,
                        10,
                        null,
                        null),
                new DefaultModelProblem(
                        "Invalid version format", ModelProblem.Severity.ERROR, null, "pom.xml", 30, 5, null, null));
        DefaultProjectBuildingResult result1 =

        doUpdate(entity, null);
    }

    public void insertOrUpdate(DataConfig entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(DataConfig entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(DataConfig entity) {

        doUpdate(entity, null);
    }

    public void insertOrUpdate(LabelType entity) {
        doInsertOrUpdate(entity, null, null);
    }

    public void insertOrUpdate(LabelType entity, RequestOptionCall<IndexRequestBuilder> opLambda) {
        entity.asDocMeta().indexOption(opLambda);
        doInsertOrUpdate(entity, null, null);
    }

    public void delete(LabelType entity) {

     * @param repositories The plugin repositories to use for resolving the plugin's main artifact, must not be {@code
     *            null}.
     * @param session The repository session to use for resolving the plugin's main artifact, must not be {@code null}.
     * @return The plugin descriptor, never {@code null}.
     */
    PluginDescriptor getPluginDescriptor(

        // v1-->v2
        graph.addEdge(v1, v2, new MetadataGraphEdge("1.1", true, null, null, 2, 1));
        graph.addEdge(v1, v2, new MetadataGraphEdge("1.2", true, null, null, 2, 2));

        // v1-->v3
        graph.addEdge(v1, v3, new MetadataGraphEdge("1.1", true, null, null, 2, 1));
        graph.addEdge(v1, v3, new MetadataGraphEdge("1.2", true, null, null, 4, 2));

        // v3-->v4

            long id = 0;
            String line = null;
            while ((line = reader.readLine()) != null) {
                // Remove comments
                final String replacedLine = line.replaceAll("#.*$", StringUtil.EMPTY).trim();

                // Skip empty lines or comment lines
                if (replacedLine.length() == 0) {
                    if (updater != null) {
                        updater.write(line);