private DependencyNode root;

    private List<Dependency> dependencies = new ArrayList<>();

    private List<Dependency> resolvedDependencies = new ArrayList<>();

    private List<Dependency> unresolvedDependencies = new ArrayList<>();

    private List<Exception> collectionErrors = new ArrayList<>();

    private Map<Dependency, List<Exception>> resolutionErrors = new IdentityHashMap<>();

    @Override

     */
    public static <T> Result<Iterable<T>> newResultSet(Iterable<? extends Result<? extends T>> results) {
        boolean hasErrors = false;
        List<T> modelsList = new ArrayList<>();
        List<ModelProblem> problemsList = new ArrayList<>();

        for (Result<? extends T> result : results) {
            modelsList.add(result.get());

            for (ModelProblem modelProblem : result.getProblems()) {

    assertTrue(
        "A List should equal any other List containing the same elements.",
        getList().equals(new ArrayList<E>(getOrderedElements())));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherListWithDifferentElements() {
    ArrayList<E> other = new ArrayList<>(getSampleElements());
    other.set(other.size() / 2, getSubjectGenerator().samples().e3());
    assertFalse(

      expectUnchanged();
      // Be extra thorough in case internal state was corrupted by the expected null.
      assertEquals(new ArrayList<>(), new ArrayList<>(values));
      assertEquals(size, multimap().size());
    } else {
      assertEquals(newArrayList(v3()), new ArrayList<>(values));
      assertEquals(size + 1, multimap().size());
    }
  }

  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
  public void testReplaceValuesWithEmpty() {
    int size = multimap().size();
    List<V> oldValues = new ArrayList<>(multimap().get(k0()));
    List<V> values = emptyList();
    assertEquals(oldValues, new ArrayList<V>(multimap().replaceValues(k0(), values)));
    assertGet(k0());
    assertEquals(size - oldValues.size(), multimap().size());
  }

        processPlugins = true;
        profiles = new ArrayList<>();
        activeProfileIds = new ArrayList<>();
        inactiveProfileIds = new ArrayList<>();
        systemProperties = new Properties();
        userProperties = new Properties();
        remoteRepositories = new ArrayList<>();
        pluginArtifactRepositories = new ArrayList<>();
    }

        if (exportedPackages == null) {
            exportedPackages = new ArrayList<>();
        }

        return exportedPackages;
    }

    public void setExportedPackages(List<String> exportedPackages) {
        if (exportedPackages == null) {
            this.exportedPackages = null;
        } else {
            this.exportedPackages = new ArrayList<>(exportedPackages);
        }
    }

        if (servers == null) {
            servers = new ArrayList<>();
        }

        return servers;
    }

    public ArtifactResolutionRequest setMirrors(List<Mirror> mirrors) {
        this.mirrors = mirrors;

        return this;
    }

    public List<Mirror> getMirrors() {
        if (mirrors == null) {
            mirrors = new ArrayList<>();
        }

        return mirrors;
    }

    }

    @Override
    public Collection<org.eclipse.aether.scope.DependencyScope> buildDependencyScopes(
            InternalScopeManager internalScopeManager) {
        ArrayList<org.eclipse.aether.scope.DependencyScope> result = new ArrayList<>();
        result.add(internalScopeManager.createDependencyScope(
                DependencyScope.COMPILE.id(), DependencyScope.COMPILE.isTransitive(), all()));

    public TaskSegment(boolean aggregating) {
        this.aggregating = aggregating;
        tasks = new ArrayList<>();
    }

    public TaskSegment(boolean aggregating, Task... tasks) {
        this.aggregating = aggregating;
        this.tasks = new ArrayList<>(Arrays.asList(tasks));
    }

    @Override
    public String toString() {
        return getTasks().toString();
    }