return getDelegate().getToolchains(session, type, requirements);
        }

        @Nonnull
        @Override
        public Optional<org.apache.maven.api.Toolchain> getToolchainFromBuildContext(
                @Nonnull Session session, @Nonnull String type) throws ToolchainManagerException {
            return getDelegate().getToolchainFromBuildContext(session, type);
        }

   */
  @Override
  public String toString() {
    return Iterables.toString(getDelegate());
  }

  /**
   * Returns the number of elements in this fluent iterable.
   *
   * <p><b>{@code Stream} equivalent:</b> {@link Stream#count}.
   */
  public final int size() {
    return Iterables.size(getDelegate());
  }

  /**

   */
  @Override
  public String toString() {
    return Iterables.toString(getDelegate());
  }

  /**
   * Returns the number of elements in this fluent iterable.
   *
   * <p><b>{@code Stream} equivalent:</b> {@link Stream#count}.
   */
  public final int size() {
    return Iterables.size(getDelegate());
  }

  /**

                .servers(request.getServers().stream().map(Server::getDelegate).collect(Collectors.toList()))
                .mirrors(request.getMirrors().stream().map(Mirror::getDelegate).collect(Collectors.toList()))
                .profiles(request.getProfiles().stream()
                        .map(Profile::getDelegate)

    List<V> getListDelegate() {
      return (List<V>) getDelegate();
    }

    @Override
    public boolean addAll(int index, Collection<? extends V> c) {
      if (c.isEmpty()) {
        return false;
      }
      int oldSize = size(); // calls refreshIfEmpty
      boolean changed = getListDelegate().addAll(index, c);
      if (changed) {
        int newSize = getDelegate().size();
        totalSize += newSize - oldSize;

        for (MavenProject mavenProject : projects) {
            if (!"maven-plugin".equals(mavenProject.getPackaging())) {
                Prerequisites prerequisites =
                        mavenProject.getModel().getDelegate().getPrerequisites();
                if (prerequisites != null && prerequisites.getMaven() != null) {
                    logger.warn(
                            "The project {} uses prerequisites"

                        createMetadataFromArtifact(artifact).getDelegate(), true)
                .modelEncoding("UTF-16")
                .build());
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        new MetadataStaxWriter().write(baos, source.getDelegate());
        Metadata source2 =

    List<V> getListDelegate() {
      return (List<V>) getDelegate();
    }

    @Override
    public boolean addAll(int index, Collection<? extends V> c) {
      if (c.isEmpty()) {
        return false;
      }
      int oldSize = size(); // calls refreshIfEmpty
      boolean changed = getListDelegate().addAll(index, c);
      if (changed) {
        int newSize = getDelegate().size();
        totalSize += newSize - oldSize;

    }

    @Override
    public Model build(RepositorySystemSession session, MavenProject project, ModelSource src)
            throws ModelBuilderException {
        Model model = project.getModel().getDelegate();
        boolean flattenEnabled = Features.consumerPomFlatten(session.getConfigProperties());
        String packaging = model.getPackaging();
        String originalPackaging = project.getOriginalModel().getPackaging();

                        request.getLocalRepository().pathOf(pomArtifact));

                try {
                    Model model = modelReader.read(pomFile, null).getDelegate();

                    dependencies = Dependency.dependencyToApiV3(model.getDependencies());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }