}

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemoveIf_sometimesTrue() {
    assertTrue(
        "removeIf(isEqual(present)) should return true",
        collection.removeIf(Predicate.isEqual(samples.e0())));
    expectMissing(samples.e0());
  }

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  @CollectionSize.Require(absent = ZERO)

  }

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  @CollectionSize.Require(absent = ZERO)
  public void testRemoveIf_sometimesTrue() {
    assertTrue(
        "removeIf(isEqual(present)) should return true",
        collection.removeIf(Predicate.isEqual(samples.e0())));
    expectMissing(samples.e0());
  }

  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  @CollectionSize.Require(absent = ZERO)

    }

    @Override
    byte[] getBytesInternal() {
      return bytes;
    }

    @Override
    boolean equalsSameBits(HashCode that) {
      // We don't use MessageDigest.isEqual() here because its contract does not guarantee
      // constant-time evaluation (no short-circuiting).
      if (this.bytes.length != that.getBytesInternal().length) {
        return false;
      }

    }

    @Override
    byte[] getBytesInternal() {
      return bytes;
    }

    @Override
    boolean equalsSameBits(HashCode that) {
      // We don't use MessageDigest.isEqual() here because its contract does not guarantee
      // constant-time evaluation (no short-circuiting).
      if (this.bytes.length != that.getBytesInternal().length) {
        return false;
      }

  }

  /**
   * Returns {@code true} if this fluent iterable contains any object for which {@code
   * equals(target)} is true.
   *
   * <p><b>{@code Stream} equivalent:</b> {@code stream.anyMatch(Predicate.isEqual(target))}.
   */
  public final boolean contains(@CheckForNull Object target) {
    return Iterables.contains(getDelegate(), target);
  }

  /**