}

  /**
   * Returns a string containing the string representation of each of {@code parts}, using the
   * previously configured separator between each.
   */
  public final String join(Iterable<? extends @Nullable Object> parts) {
    return join(parts.iterator());
  }

  /**
   * Returns a string containing the string representation of each of {@code parts}, using the

                  @Override
                  protected Set<String> create(String[] elements) {
                    final Multiset<String> inner =
                        LinkedHashMultiset.create(Arrays.asList(elements));
                    return new ForwardingMultiset<String>() {
                      @Override
                      protected Multiset<String> delegate() {
                        return inner;

    return QueueTestSuiteBuilder.using(
            new TestStringQueueGenerator() {
              @Override
              public Queue<String> create(String[] elements) {
                Queue<String> queue = new LinkedList<>(MinimalCollection.of(elements));
                return Collections.checkedQueue(queue, String.class);
              }
            })
        .named("checkedQueue/LinkedList")
        .withFeatures(

  private static final ImmutableNetwork<String, String> IMMUTABLE_NETWORK_A =
      NetworkBuilder.directed().<String, String>immutable().addNode("A").build();
  private static final ImmutableNetwork<String, String> IMMUTABLE_NETWORK_B =
      NetworkBuilder.directed().<String, String>immutable().addNode("B").build();

  public PackageSanityTests() {
    MutableNetwork<String, String> mutableNetworkA = NetworkBuilder.directed().build();

    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Set<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /**
   * {@inheritDoc}
   *
   * <p>By default, returns the supplied elements in their given order; however, generators for

    byte[] key = fillByteArray(80, 0xaa);
    String data = "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data";

    checkMd5("6f630fad67cda0ee1fb1f562db3aa53e", key, data);
  }

  private static void checkSha1(String expected, byte[] key, String data) {
    checkSha1(expected, key, data.getBytes(UTF_8));
  }

  private static void checkSha1(String expected, byte[] key, byte[] data) {

  @GwtIncompatible
  public void testAsAsyncCallable() throws Exception {
    final String expected = "MyCallableString";
    Callable<String> callable =
        new Callable<String>() {
          @Override
          public String call() throws Exception {
            return expected;
          }
        };

    AsyncCallable<String> asyncCallable =

                  @Override
                  protected Set<String> create(String[] elements) {
                    NavigableSet<String> set = new SafeTreeSet<>(Ordering.natural().nullsFirst());
                    Collections.addAll(set, elements);
                    return set;
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {

                  @Override
                  protected Set<String> create(String[] elements) {
                    NavigableSet<String> set = new SafeTreeSet<>(Ordering.natural().nullsFirst());
                    Collections.addAll(set, elements);
                    return set;
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {

  /** Specification; used for toParseableString(). */
  private final String specification;

  private CacheBuilderSpec(String specification) {
    this.specification = specification;
  }

  /**
   * Creates a CacheBuilderSpec from a string.
   *
   * @param cacheBuilderSpecification the string form
   */
  public static CacheBuilderSpec parse(String cacheBuilderSpecification) {