assertThat(Iterators.getLast(iterator, "bar")).isEqualTo("foo");
  }

  public void testGetLast_withDefault_empty() {
    Iterator<String> iterator = emptyIterator();
    assertThat(Iterators.getLast(iterator, "bar")).isEqualTo("bar");
  }

  public void testGetLast_withDefault_empty_null() {
    Iterator<String> iterator = emptyIterator();
    assertThat(Iterators.<@Nullable String>getLast(iterator, null)).isNull();

    assertThat(Iterators.getLast(iterator, "bar")).isEqualTo("foo");
  }

  public void testGetLast_withDefault_empty() {
    Iterator<String> iterator = emptyIterator();
    assertThat(Iterators.getLast(iterator, "bar")).isEqualTo("bar");
  }

  public void testGetLast_withDefault_empty_null() {
    Iterator<String> iterator = emptyIterator();
    assertThat(Iterators.<@Nullable String>getLast(iterator, null)).isNull();

                credentialsProvider.setCredentials(authScope, authentication.getCredentials());
                if (authScope.getHost() != null && authScheme != null) {
                    final HttpHost targetHost = new HttpHost(authScope.getSchemeName(), authScope.getHost(), authScope.getPort());
                    authCache.put(targetHost, authScheme);
                }
            }
        }

                credentialsProvider.setCredentials(authScope, authentication.getCredentials());
                if (authScope.getHost() != null && authScheme != null) {
                    final HttpHost targetHost = new HttpHost(authScope.getHost(), authScope.getPort());
                    authCache.put(targetHost, authScheme);
                }
            }
        }

        List<Option> setPropertyOptions = new ArrayList<>();
        for (Option opt : mavenCli.getOptions()) {
            if (String.valueOf(CLIManager.SET_USER_PROPERTY).equals(opt.getOpt())) {
                setPropertyOptions.add(opt);
            } else {
                commandLineBuilder.addOption(opt);
            }
        }
        for (Option opt : mavenConfig.getOptions()) {

   * @return the last element of {@code iterator}
   * @since 3.0
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getLast(
      Iterator<? extends T> iterator, @ParametricNullness T defaultValue) {
    return iterator.hasNext() ? getLast(iterator) : defaultValue;
  }

  /**
   * Calls {@code next()} on {@code iterator}, either {@code numberToAdvance} times or until {@code

   * @return the last element of {@code iterator}
   * @since 3.0
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getLast(
      Iterator<? extends T> iterator, @ParametricNullness T defaultValue) {
    return iterator.hasNext() ? getLast(iterator) : defaultValue;
  }

  /**
   * Calls {@code next()} on {@code iterator}, either {@code numberToAdvance} times or until {@code

            value = "http:" + urlStr;
        } else {
            value = urlStr;
        }
        try {
            final URL url = new URL(value);
            final String host = url.getHost();
            if (StringUtil.isBlank(host) || "http".equalsIgnoreCase(host) || "https".equalsIgnoreCase(host)) {
                return false;
            }
        } catch (final MalformedURLException e) {

    @Override
    public E getFirst() {
      synchronized (mutex) {
        return delegate().getFirst();
      }
    }

    @Override
    public E getLast() {
      synchronized (mutex) {
        return delegate().getLast();
      }
    }

    @Override
    public @Nullable E peekFirst() {
      synchronized (mutex) {
        return delegate().peekFirst();
      }
    }

    @Override
    public E getFirst() {
      synchronized (mutex) {
        return delegate().getFirst();
      }
    }

    @Override
    public E getLast() {
      synchronized (mutex) {
        return delegate().getLast();
      }
    }

    @Override
    public @Nullable E peekFirst() {
      synchronized (mutex) {
        return delegate().peekFirst();
      }
    }