}
    } finally {
      assertThat(temp.delete()).isTrue();
    }
  }

  public void testBogusSystemPropertiesUsername() {
    if (isAndroid()) {
      /*
       * The test calls directly into the "ACL-based filesystem" code, which isn't available under
       * old versions of Android. Since Android doesn't use that code path, anyway, there's no need
       * to test it.
       */
      return;
    }

  @Override
  public Hasher newHasher() {
    if (supportsClone) {
      try {
        return new MessageDigestHasher((MessageDigest) prototype.clone(), bytes);
      } catch (CloneNotSupportedException e) {
        // falls through
      }
    }
    return new MessageDigestHasher(getMessageDigest(prototype.getAlgorithm()), bytes);
  }

  private static final class SerializedForm implements Serializable {

      }
    } finally {
      assertThat(temp.delete()).isTrue();
    }
  }

  public void testBogusSystemPropertiesUsername() {
    if (isAndroid()) {
      /*
       * The test calls directly into the "ACL-based filesystem" code, which isn't available under
       * old versions of Android. Since Android doesn't use that code path, anyway, there's no need
       * to test it.
       */
      return;
    }

   * @param declaredType1 any checked exception type declared by the calling method
   * @param declaredType2 any other checked exception type declared by the calling method
   * @deprecated Use a combination of two calls to {@link #throwIfInstanceOf} and one call to {@link
   *     #throwIfUnchecked}, which togther provide the same behavior except that they reject {@code
   *     null}.
   */
  @Deprecated
  @J2ktIncompatible

   * @param declaredType1 any checked exception type declared by the calling method
   * @param declaredType2 any other checked exception type declared by the calling method
   * @deprecated Use a combination of two calls to {@link #throwIfInstanceOf} and one call to {@link
   *     #throwIfUnchecked}, which togther provide the same behavior except that they reject {@code
   *     null}.
   */
  @Deprecated
  @J2ktIncompatible

 * implementations in Java use). For the many uses of hash functions beyond data structures,
 * however, {@code Object.hashCode} almost always falls short -- hence this library.
 *
 * @author Kevin Bourrillion
 * @since 11.0
 */
@Immutable
@ElementTypesAreNonnullByDefault
public interface HashFunction {
  /**

 * Tasks execute with the same happens-before order that the function calls to {@link #submit} and
 * {@link #submitAsync} that submitted those tasks had.
 *
 * <p>This class has limited support for cancellation and other "early completions":
 *
 * <ul>
 *   <li>While calls to {@code submit} and {@code submitAsync} return a {@code Future} that can be

   * table and deduplicating elements as they come, so it only allocates O(max(distinct,
   * expectedCapacity)) rather than O(calls to add).
   *
   * <p>This implementation attempts to detect hash flooding, and if it's identified, falls back to
   * JdkBackedSetBuilderImpl.
   */
  private static final class RegularSetBuilderImpl<E> extends SetBuilderImpl<E> {

/**
 * A list iterator which forwards all its method calls to another list iterator. Subclasses should
 * override one or more methods to modify the behavior of the backing iterator as desired per the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *
 * <p><b>{@code default} method warning:</b> This class forwards calls to <i>only some</i> {@code

   * exception.
   *
   * <p>When the underlying delegate throws an exception then this memoizing supplier will keep
   * delegating calls until it returns valid data.
   *
   * @param duration the length of time after a value is created that it should stop being returned
   *     by subsequent {@code get()} calls
   * @param unit the unit that {@code duration} is expressed in
   * @throws IllegalArgumentException if {@code duration} is not positive