@SafeVarargs
  public static <T extends @Nullable Object> Stream<T> concat(Stream<? extends T>... streams) {
    // TODO(lowasser): consider an implementation that can support SUBSIZED
    boolean isParallel = false;
    int characteristics = Spliterator.ORDERED | Spliterator.SIZED | Spliterator.NONNULL;
    long estimatedSize = 0L;
    ImmutableList.Builder<Spliterator<? extends T>> splitrsBuilder =

                artifact.getExtension(),
                null,
                null,
                null,
                Boolean.parseBoolean(artifact.getProperty(MavenArtifactProperties.INCLUDES_DEPENDENCIES, "")),
                artifact.getProperty(ArtifactProperties.LANGUAGE, null),
                Boolean.parseBoolean(artifact.getProperty(MavenArtifactProperties.CONSTITUTES_BUILD_PATH, "")));
    }

     */
    boolean isOffline();

    /**
     * Enables/disables network access to remote repositories.
     *
     * @param offline {@code true} to disable remote access, {@code false} to allow network access.
     * @return This request, never {@code null}.
     */
    RepositoryRequest setOffline(boolean offline);

    /**

    }

    private boolean isPublicApi(CtMethod method) {
        return Modifier.isPublic(method.modifiers) || Modifier.isProtected(method.modifiers)
    }

    private List<String> filterChangesToReport(CtClass c, Set<CtMethod> methods) {
        return methods.findAll { isFirstPublicClassInHierarchy(it, c) }*.longName.sort()
    }

    private boolean isFirstPublicClassInHierarchy(CtMethod method, CtClass c) {

    return Maps.valueIterator(multimap.entries().iterator());
  }

  @Override
  public boolean contains(@CheckForNull Object o) {
    return multimap.containsValue(o);
  }

  @Override
  public int size() {
    return multimap.size();
  }

  @Override
  public boolean remove(@CheckForNull Object o) {
    Predicate<? super Entry<K, V>> entryPredicate = multimap.entryPredicate();

      fail("Not true that " + actual + " contains all of " + asList(expected));
    }
  }

  @CanIgnoreReturnValue
  public static <E extends @Nullable Object> boolean addAll(
      Collection<E> addTo, Iterable<? extends E> elementsToAdd) {
    boolean modified = false;
    for (E e : elementsToAdd) {
      modified |= addTo.add(e);
    }
    return modified;
  }

  private static class UnmovableFile extends File {

    private final boolean canRename;
    private final boolean canDelete;

    public UnmovableFile(File file, boolean canRename, boolean canDelete) {
      super(file.getPath());
      this.canRename = canRename;
      this.canDelete = canDelete;
    }

    @Override
    public boolean renameTo(File to) {
      return canRename && super.renameTo(to);
    }

class CollectionBenchmarkSampleData {
  private final boolean isUserTypeFast;
  private final SpecialRandom random;
  private final double hitRate;
  private final int size;

  private final Set<Element> valuesInSet;
  private final Element[] queries;

  CollectionBenchmarkSampleData(int size) {
    this(true, new SpecialRandom(), 1.0, size);
  }

  CollectionBenchmarkSampleData(

            if (pattern != null) {
                return Long.valueOf(new SimpleDateFormat(pattern).format(o));
            }
            return ((java.util.Date) o).getTime();
        } else if (o instanceof Boolean) {
            return ((Boolean) o) ? (long) 1 : (long) 0;
        } else {
            return toLong(o.toString());
        }
    }

    private static Long toLong(final String s) {
        if (StringUtil.isEmpty(s)) {

        return parent.size();
    }

    @Override
    public boolean isEmpty() {
        return parent.isEmpty();
    }

    @Override
    public boolean containsKey(final Object key) {
        if (parent.containsKey(key)) {
            return true;
        }
        return parent.containsKey(toCamelCase(key));
    }

    @Override
    public boolean containsValue(final Object value) {