*   <li>values automatically wrapped in {@linkplain WeakReference weak} or {@linkplain
 *       SoftReference soft} references
 *   <li>notification of evicted (or otherwise removed) entries
 *   <li>accumulation of cache access statistics
 * </ul>
 *
 * <p>These features are all optional; caches can be created using all or none of them. By default,

    createNewCache()

    // Although 'c' successfully committed above, the journal wasn't available to issue a CLEAN op.
    // Because the last state of 'c' was DIRTY before the journal failed, it should be removed
    // entirely on a subsequent open.
    assertThat(cache.size()).isEqualTo(4)
    assertAbsent("c")
    assertAbsent("d")
    assertAbsent("e")
  }

  @Test

 *   <li>values automatically wrapped in {@linkplain WeakReference weak} or {@linkplain
 *       SoftReference soft} references
 *   <li>notification of evicted (or otherwise removed) entries
 *   <li>accumulation of cache access statistics
 * </ul>
 *
 * <p>These features are all optional; caches can be created using all or none of them. By default,

   *
   * @param removeFrom the iterator to (potentially) remove elements from
   * @param predicate a predicate that determines whether an element should be removed
   * @return {@code true} if any elements were removed from the iterator
   * @since 2.0
   */
  @CanIgnoreReturnValue
  public static <T extends @Nullable Object> boolean removeIf(
      Iterator<T> removeFrom, Predicate<? super T> predicate) {

   *
   * @param removeFrom the iterator to (potentially) remove elements from
   * @param predicate a predicate that determines whether an element should be removed
   * @return {@code true} if any elements were removed from the iterator
   * @since 2.0
   */
  @CanIgnoreReturnValue
  public static <T extends @Nullable Object> boolean removeIf(
      Iterator<T> removeFrom, Predicate<? super T> predicate) {

## Version 3.13.1

_2019-02-05_

 *  Fix: Don't crash when using a custom `X509TrustManager` or `SSLSocket` on Android. When we
    removed obsolete code for Android 4.4 we inadvertently also removed support for custom
    subclasses. We've restored that support!


## Version 3.13.0

_2019-02-04_

   *
   * <p>When methods such as {@code removeAll()} and {@code clear()} are called on the filtered
   * multimap or its views, only mappings whose keys satisfy the filter will be removed from the
   * underlying multimap.
   *
   * <p>The returned multimap isn't threadsafe or serializable, even if {@code unfiltered} is.
   *

   *
   * <p>When methods such as {@code removeAll()} and {@code clear()} are called on the filtered
   * multimap or its views, only mappings whose keys satisfy the filter will be removed from the
   * underlying multimap.
   *
   * <p>The returned multimap isn't threadsafe or serializable, even if {@code unfiltered} is.
   *

	if err != nil {
		t.Fatalf("Unable to create xlStorage test setup, %s", err)
	}
	// removing the disk, used to recreate disk not found error.
	os.RemoveAll(diskPath)

	// TestXLStorage for delete on an removed disk.
	// should fail with disk not found.
	err = xlStorageDeletedStorage.DeleteVol(t.Context(), "Del-Vol", false)
	if err != errDiskNotFound {
		t.Errorf("Expected: \"Drive not found\", got \"%s\"", err)
	}
}

    return new HashSet<>();
  }

  /**
   * Creates a <i>mutable</i> {@code HashSet} instance initially containing the given elements.
   *
   * <p><b>Note:</b> if elements are non-null and won't be added or removed after this point, use
   * {@link ImmutableSet#of()} or {@link ImmutableSet#copyOf(Object[])} instead. If {@code E} is an
   * {@link Enum} type, use {@link EnumSet#of(Enum, Enum[])} instead. Otherwise, strongly consider