// -------------------------------------------------------------------------------------

        String path = System.getProperty(altLocationSysProp);

        if (path == null || path.isEmpty()) {
            // TODO This replacing shouldn't be necessary as user.home should be in the
            // context of the container and thus the value would be interpolated by Plexus

        add(problem);
    }

    public ModelBuildingException newModelBuildingException() {
        ModelBuildingResult result = this.result;
        if (result.getModelIds().isEmpty()) {
            DefaultModelBuildingResult tmp = new DefaultModelBuildingResult();
            tmp.setEffectiveModel(result.getEffectiveModel());
            tmp.setProblems(getProblems());

            s = AuthScope.ANY_SCHEME;
        }

        return new AuthScope(getHostname(), p, r, s);
    }

    private Credentials getCredentials() {
        if (StringUtil.isEmpty(getUsername())) {
            throw new CrawlerSystemException("username is empty.");
        }

        if (Constants.NTLM.equals(getProtocolScheme())) {

    public void delayByRules() {
        final long delay = getDelay();
        if (delay > 0) {
            ThreadUtil.sleep(delay);
        }
    }

    protected long getDelay() {
        if (ruleList.isEmpty()) {
            return 0;
        }
        final Calendar cal = getCurrentCal();
        final int h = cal.get(Calendar.HOUR_OF_DAY);
        final int m = cal.get(Calendar.MINUTE);

    registry.unregister(s1);
    assertEquals(1, registry.getSubscribersForTesting(String.class).size());

    registry.unregister(s2);
    assertTrue(registry.getSubscribersForTesting(String.class).isEmpty());
  }

  public void testUnregister_notRegistered() {
    assertThrows(IllegalArgumentException.class, () -> registry.unregister(new StringSubscriber()));

    StringSubscriber s1 = new StringSubscriber();

    ImmutableValueGraph<String, Integer> graph =
        ValueGraphBuilder.directed().<String, Integer>immutable().addNode("A").build();

    assertThat(graph.nodes()).containsExactly("A");
    assertThat(graph.edges()).isEmpty();
  }

  @Test
  public void immutableValueGraphBuilder_putEdgeFromNodes() {
    ImmutableValueGraph<String, Integer> graph =
        ValueGraphBuilder.directed()
            .<String, Integer>immutable()

        return createTreap(Ints.asList(keys));
      }

      // See http://en.wikipedia.org/wiki/Treap for details on the algorithm.
      private Optional<BinaryNode> createTreap(List<Integer> keys) {
        if (keys.isEmpty()) {
          return Optional.absent();
        }
        int minIndex = 0;
        for (int i = 1; i < keys.size(); i++) {
          if (keys.get(i) < keys.get(minIndex)) {
            minIndex = i;
          }

            }

            Map<String, ExtraAttributeDoc> additionalValues = new LinkedHashMap<String, ExtraAttributeDoc>();

            if (!superTypes.isEmpty()) {
                PropertyDoc overriddenProp = props.get(propName);
                if (overriddenProp != null) {
                    for (ExtraAttributeDoc attributeDoc : overriddenProp.getAdditionalValues()) {

   * SortedMultiset#contains}, {@link SortedMultiset#containsAll}, {@link SortedMultiset#count},
   * {@link SortedMultiset#firstEntry} {@link SortedMultiset#headMultiset}, {@link
   * SortedMultiset#isEmpty}, {@link SortedMultiset#lastEntry}, {@link SortedMultiset#subMultiset},
   * {@link SortedMultiset#tailMultiset}, the {@code size()} and {@code iterator()} methods of

   * Range#contains(Comparable) range.contains(k)}, then {@link #get(Comparable) get(k)} will return
   * {@code value}.
   *
   * <p>If {@code range} {@linkplain Range#isEmpty() is empty}, then this is a no-op.
   */
  void put(Range<K> range, V value);

  /**
   * Maps a range to a specified value, coalescing this range with any existing ranges with the same