}

  final class KeySet extends View<K, V, K> {
    KeySet() {
      super(HashBiMap.this);
    }

    @Override
    @ParametricNullness
    K forEntry(int entry) {
      // The cast is safe because we call forEntry only for indexes that contain entries.
      return uncheckedCastNullableTToT(keys[entry]);
    }

    @Override
    public boolean contains(@Nullable Object o) {

        UnsupportedOperationException.class, () -> barEntry.setValue(Arrays.<Integer>asList()));
    entries.remove(); // clear
    Entry<String, Collection<Integer>> fooEntry = entries.next();
    assertEquals("foo", fooEntry.getKey());
    assertThat(fooEntry.getValue()).contains(2);
    assertFalse(entries.hasNext());
    assertEquals("{foo=[2]}", map.toString());
  }

  public void testEntriesAfterMultimapUpdate() {

     *
     * @param original the original exception
     * @param attemptNumber the current attempt number
     * @return new exception with updated attempt information
     */
    public static SmbOperationException forRetry(SmbOperationException original, int attemptNumber) {
        SmbOperationException retry = new SmbOperationException(original.errorCode, original.originalMessage, original.getCause(),

        original.withContext("attempt", 1);

        // When
        SmbOperationException retry = SmbOperationException.forRetry(original, 2);

        // Then
        assertEquals(original.getErrorCode(), retry.getErrorCode());
        assertEquals(original.getMessage(), retry.getMessage());