map.remove("a");
    assertFalse(underlying.containsKey("a"));

    Set<String> keys = map.keySet();
    keys.remove("b");
    assertFalse(underlying.containsKey("b"));

    Iterator<String> keyIterator = keys.iterator();
    keyIterator.next();
    keyIterator.remove();
    assertFalse(underlying.containsKey("c"));

  public Collection<V> removeAll(@Nullable Object key) {
    return MoreObjects.firstNonNull(asMap().remove(key), unmodifiableEmptyCollection());
  }

  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  Collection<V> unmodifiableEmptyCollection() {
    // These return false, rather than throwing a UOE, on remove calls.
    return (unfiltered instanceof SetMultimap) ? emptySet() : emptyList();
  }

    assertTrue(map.containsKey(one));
    assertTrue(map.containsValue(one));
    assertSame(one, map.remove(one));
    assertEquals(0, map.size());

    cache.getUnchecked(one);
    assertEquals(1, map.size());
    assertFalse(map.remove(one, two));
    assertTrue(map.remove(one, one));
    assertEquals(0, map.size());

    cache.getUnchecked(one);

                    // Stop async notification monitoring
                    stopAsyncNotificationMonitoring(registration.getRegistrationId());

                    registrations.remove(registration.getRegistrationId());
                    listeners.remove(registration.getRegistrationId());

                    log.info("Successfully unregistered witness: {}", registration.getRegistrationId());
                } else {

  internal var headerValue: String?,
) {
  @JvmName("-deprecated_noCache")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "noCache"),
    level = DeprecationLevel.ERROR,
  )
  fun noCache(): Boolean = noCache

  @JvmName("-deprecated_noStore")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "noStore"),
    level = DeprecationLevel.ERROR,
  )

          }

          @Override
          public T next() {
            return listIter.previous();
          }

          @Override
          public void remove() {
            listIter.remove();
          }
        };
  }

  static <T extends @Nullable Object> Iterator<T> cycle(Iterable<T> iterable) {
    return new Iterator<T>() {

        // If createTransport returns null (no mock setup), remove immediately
        try {
            SmbTransport testTransport = manager.createTransport(failedChannel.getLocalInterface(), failedChannel.getRemoteInterface());
            if (testTransport == null) {
                // No recovery possible, remove synchronously
                removeChannel(failedChannel);
                return;
            }

    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()));
    assertTrue(multimap().keys().entrySet().remove(Multisets.immutableEntry(k0(), 2)));

   * Thus, calls like asMap().values().remove(someSet) are safe because they are comparing a set to
   * a collection of other sets.
   */
  @SuppressWarnings("CollectionUndefinedEquality")
  public void testValuesRemove() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k1(), v0()), mapEntry(k0(), v3()));
    assertTrue(multimap().asMap().values().remove(singleton(v0())));
    assertEquals(2, multimap().size());

        throw e;
      }
    }

    @Override
    public void remove() {
      if (nextThrewException) {
        throw new IllegalStateException();
      }
      iterator.remove();
    }
  }

  public void testCanCatchJdkBug6529795InTargetIterator() {
    try {
      /* Choose 4 steps to get sequence [next, next, next, remove] */
      new IteratorTester<Integer>(