}
    }

    /**
     * Returns the index of the next date character in `input`, or if `invert` the index
     * of the next non-date character in `input`.
     */
    private fun dateCharacterOffset(
      input: String,
      pos: Int,
      limit: Int,
      invert: Boolean,
    ): Int {
      for (i in pos until limit) {
        val c = input[i].code
        val dateCharacter =

   */
  @Override
  public ImmutableSetMultimap<V, K> inverse() {
    ImmutableSetMultimap<V, K> result = inverse;
    return (result == null) ? (inverse = invert()) : result;
  }

  private ImmutableSetMultimap<V, K> invert() {
    Builder<V, K> builder = builder();
    for (Entry<K, V> entry : entries()) {
      builder.put(entry.getValue(), entry.getKey());
    }

   */
  @Override
  public ImmutableSetMultimap<V, K> inverse() {
    ImmutableSetMultimap<V, K> result = inverse;
    return (result == null) ? (inverse = invert()) : result;
  }

  private ImmutableSetMultimap<V, K> invert() {
    Builder<V, K> builder = builder();
    for (Entry<K, V> entry : entries()) {
      builder.put(entry.getValue(), entry.getKey());
    }

        `is_dynamic_op=False` would be set.
    *   `converter.convert()` no longer returns a `tf.function`. Now the
        function must be accessed from the saved model.
    *   The `converter.calibrate()` method has been removed. To trigger
        calibration, a `calibration_input_fn` should be provided to
        `converter.convert()`.

*   Other:

        FessSecurityResourceProvider provider1 = new FessSecurityResourceProvider(inver1, oneWay1);
        FessSecurityResourceProvider provider2 = new FessSecurityResourceProvider(inver2, oneWay2);

        assertNotSame(provider1, provider2);
        assertEquals(inver1, provider1.providePrimaryInvertibleCryptographer());
        assertEquals(inver2, provider2.providePrimaryInvertibleCryptographer());

    Converter<String, Number> converter = Converter.<String, Number>from(forward, backward);

    assertThat(converter.convert(null)).isNull();
    assertThat(converter.reverse().convert(null)).isNull();

    assertEquals((Integer) 5, converter.convert("5"));
    assertThat(converter.reverse().convert(5)).isEqualTo("5");
  }

  // Null-passthrough violates our nullness annotations, so we don't support it under J2KT.

        url = "http://www.foo.com/";
        result = "http://www.foo.com/";
        assertEquals(result, duplicateHostHelper.convert(url));

        url = "http://www.foo.com:8080/";
        result = "http://www.foo.com:8080/";
        assertEquals(result, duplicateHostHelper.convert(url));

        url = "http://www.bar.com/";
        result = "http://www.bar.com/";

    assertEquals(TestEnum.CHEETO, converter.convert("CHEETO"));
    assertEquals(TestEnum.HONDA, converter.convert("HONDA"));
    assertEquals(TestEnum.POODLE, converter.convert("POODLE"));
    assertThat(converter.convert(null)).isNull();
    assertThat(converter.reverse().convert(null)).isNull();
  }

  public void testStringConverter_convertError() {

    assertEquals(TestEnum.CHEETO, converter.convert("CHEETO"));
    assertEquals(TestEnum.HONDA, converter.convert("HONDA"));
    assertEquals(TestEnum.POODLE, converter.convert("POODLE"));
    assertThat(converter.convert(null)).isNull();
    assertThat(converter.reverse().convert(null)).isNull();
  }

  public void testStringConverter_convertError() {

        assertNotNull(manager);
    }

    // Test insert with no chains
    @Test
    public void test_insert_noChains() {
        User user = createTestUser("testuser");
        authenticationManager.insert(user);
        // Should not throw exception even with no chains
    }

    // Test insert with single chain
    @Test
    public void test_insert_singleChain() {