Multiset<K> keys = multimap().keys();
    Iterator<Multiset.Entry<K>> itr = keys.entrySet().iterator();
    assertEquals(Multisets.immutableEntry(k0(), 1), itr.next());
    itr.remove();
    assertTrue(multimap().isEmpty());
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testKeysEntrySetRemove() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k1(), v0()));

      return;
    }
    File temp = Files.createTempDir();
    try {
      assertThat(temp.exists()).isTrue();
      assertThat(temp.isDirectory()).isTrue();
      assertThat(temp.listFiles()).isEmpty();
      File child = new File(temp, "child");
      assertThat(child.createNewFile()).isTrue();
      assertThat(child.delete()).isTrue();

      if (!isAndroid() && !isWindows()) {

            try {
                context.shutDown();
            } catch (InvokerException e) {
                exceptions.add(e);
            }
        }
        if (!exceptions.isEmpty()) {
            InvokerException exception = new InvokerException("Could not cleanly shut down context pool");
            exceptions.forEach(exception::addSuppressed);
            throw exception;
        }
    }

            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<List<String>> goals() {
        if (!commandLine.getArgList().isEmpty()) {
            return Optional.of(commandLine.getArgList());
        }
        return Optional.empty();
    }

    @Override
    public EncryptOptions interpolate(Collection<Map<String, String>> properties) {

    JavadocScanner(String rawCommentText) {
        pushText(rawCommentText);
    }

    @Override
    public String toString() {
        return input.substring(pos);
    }

    public boolean isEmpty() {
        return pos == input.length();
    }

    public void mark() {
        markPos = pos;
    }

    public void next() {
        next(1);
    }

    public void next(int n) {

    assertFalse(multimap.containsValue(1));
    assertFalse(multimap.containsEntry("foo", 1));
    assertTrue(multimap.entries().isEmpty());
    assertTrue(multimap.equals(HashMultimap.create()));
    assertEquals(emptySet(), multimap.get("foo"));
    assertEquals(0, multimap.hashCode());
    assertTrue(multimap.isEmpty());
    assertEquals(HashMultiset.create(), multimap.keys());
    assertEquals(emptySet(), multimap.keySet());

      stackWithLastReturnedElementAtTop = null;
    }

    @Override
    public boolean hasNext() {
      return !nextElements.isEmpty();
    }

    @Override
    public boolean hasPrevious() {
      return !previousElements.isEmpty();
    }

    @Override
    public E next() {
      return transferElement(nextElements, previousElements);
    }

    @Override

    assertFalse(multimap.containsValue(1));
    assertFalse(multimap.containsEntry("foo", 1));
    assertTrue(multimap.entries().isEmpty());
    assertTrue(multimap.equals(ArrayListMultimap.create()));
    assertEquals(emptyList(), multimap.get("foo"));
    assertEquals(0, multimap.hashCode());
    assertTrue(multimap.isEmpty());
    assertEquals(HashMultiset.create(), multimap.keys());
    assertEquals(emptySet(), multimap.keySet());

    void destroy();

    default void initialize() {
        final StringBuilder buf = new StringBuilder(100);
        final String value = System.getProperty("java.protocol.handler.pkgs");
        if (StringUtil.isEmpty(value)) {
            buf.append("org.codelibs.fess.net.protocol");
        } else if (!value.contains("org.codelibs.fess.net.protocol")) {
            buf.append("|org.codelibs.fess.net.protocol");
        }

                latch.countDown()
              }
            },
          )
        }

        latch.await()

        // No mutations should be possible after this point
        if (allAddresses.isEmpty()) {
          val first = allExceptions.firstOrNull() ?: UnknownHostException("No results for $hostname")

          allExceptions.drop(1).forEach {
            first.addSuppressed(it)
          }