}
  }

  private void recurse(int level) {
    // We're going to reuse the stimuli array 3^steps times by overwriting it
    // in a recursive loop.  Sneaky.
    if (level == stimuli.length) {
      // We've filled the array.
      compareResultsForThisListOfStimuli();
    } else {
      // Keep recursing to fill the array.
      for (Stimulus<E, ? super I> stimulus : getStimulusValues()) {
        stimuli[level] = stimulus;

  }

  static void testSort(long[] input, long[] expected) {
    input = Arrays.copyOf(input, input.length);
    UnsignedLongs.sort(input);
    assertThat(input).isEqualTo(expected);
  }

  static void testSort(long[] input, int from, int to, long[] expected) {
    input = Arrays.copyOf(input, input.length);
    UnsignedLongs.sort(input, from, to);
    assertThat(input).isEqualTo(expected);

  require(inputNamesAndValues.size % 2 == 0) { "Expected alternating header names and values" }

  // Make a defensive copy and clean it up.
  val namesAndValues: Array<String> = arrayOf(*inputNamesAndValues)
  for (i in namesAndValues.indices) {
    require(namesAndValues[i] != null) { "Headers cannot be null" }
    namesAndValues[i] = inputNamesAndValues[i].trim()
  }

        }
        try {
            suggester.settings().array().delete(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS);
            split(fessConfig.getSuggestFieldIndexContents(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(field -> {
                try {
                    suggester.settings().array().add(SuggestSettings.DefaultKeys.SUPPORTED_FIELDS, field);

        // Act
        AppConfigurationEntry[] a1 = cfg.getAppConfigurationEntry("x");
        AppConfigurationEntry[] a2 = cfg.getAppConfigurationEntry("y");

        // Assert
        assertNotSame(a1, a2, "Arrays should be different instances");
        assertEquals(1, a1.length);
        assertEquals(1, a2.length);

        AppConfigurationEntry e1 = a1[0];
        AppConfigurationEntry e2 = a2[0];

      }
    }
    return null;
  }

  private static <T> T createEmptyArray(Class<T> arrayType) {
    // getComponentType() is non-null because we call createEmptyArray only with an array type.
    return arrayType.cast(Array.newInstance(requireNonNull(arrayType.getComponentType()), 0));
  }

  // Internal implementations of some classes, with public default constructor that get() needs.
  private static final class Dummies {

    String[] array = Iterables.toArray(iterable, String.class);
    assertTrue(Arrays.equals(new String[0], array));
  }

  @GwtIncompatible // Iterables.toArray(Iterable, Class)
  public void testToArraySingleton() {
    Iterable<String> iterable = singletonList("a");
    String[] array = Iterables.toArray(iterable, String.class);
    assertTrue(Arrays.equals(new String[] {"a"}, array));
  }

   * Escapes a code point that has no direct explicit value in the replacement array and lies
   * outside the stated safe range. Subclasses should override this method to provide generalized
   * escaping for code points if required.
   *
   * <p>Note that arrays returned by this method must not be modified once they have been returned.
   * However it is acceptable to return the same array multiple times (even for different input
   * characters).
   *

      return standardRetainAll(collection);
    }

    @Override
    public Object[] toArray() {
      return standardToArray();
    }

    @Override
    public <T> T[] toArray(T[] array) {
      return standardToArray(array);
    }

    @Override
    public String toString() {
      return standardToString();
    }
  }

  @AndroidIncompatible // test-suite builders
  public static Test suite() {

    }
  }

  protected E[] createSamplesArray() {
    E[] array = getSubjectGenerator().createArray(getNumElements());
    getSampleElements().toArray(array);
    return array;
  }

  protected E[] createOrderedArray() {
    E[] array = getSubjectGenerator().createArray(getNumElements());
    getOrderedElements().toArray(array);
    return array;
  }