}

    /**
     * Unsafely creates of a fresh {@link WeakValueReference}, referencing the given {@code value},
     * for the given {@code entry}
     */
    WeakValueReference<K, V, E> newWeakValueReferenceForTesting(
        InternalEntry<K, V, ?> entry, V value) {
      throw new AssertionError();
    }

    /**