@Override
    public void add(int index, E element) {
      synchronized (mutex) {
        delegate().add(index, element);
      }
    }

    @Override
    public boolean addAll(int index, Collection<? extends E> c) {
      synchronized (mutex) {
        return delegate().addAll(index, c);
      }
    }

    @Override
    public E get(int index) {
      synchronized (mutex) {

            return;
        }
        for (final String value : values) {
            if (value.indexOf(',') >= 0) {
                action.throwValidationError(messages -> {
                    messages.addErrorsInvalidStrIsIncluded(propertyName, value, ",");
                }, hook);
            }
            if (value.indexOf("=>") >= 0) {
                action.throwValidationError(messages -> {

  public final <K> ImmutableListMultimap<K, @NonNull E> index(Function<? super E, K> keyFunction) {
    return Multimaps.index((Iterable<@NonNull E>) getDelegate(), keyFunction);
  }

  /**
   * Returns a map with the contents of this {@code FluentIterable} as its {@code values}, indexed
   * by keys derived from those values. In other words, each input value produces an entry in the

  }

  public void testIndexOf() {
    assertThat(Ints.indexOf(EMPTY, (int) 1)).isEqualTo(-1);
    assertThat(Ints.indexOf(ARRAY1, (int) 2)).isEqualTo(-1);
    assertThat(Ints.indexOf(ARRAY234, (int) 1)).isEqualTo(-1);
    assertThat(Ints.indexOf(new int[] {(int) -1}, (int) -1)).isEqualTo(0);
    assertThat(Ints.indexOf(ARRAY234, (int) 2)).isEqualTo(0);
    assertThat(Ints.indexOf(ARRAY234, (int) 3)).isEqualTo(1);

    assertThat(Longs.indexOf(ARRAY1, ARRAY1)).isEqualTo(0);
    assertThat(Longs.indexOf(ARRAY234, ARRAY234)).isEqualTo(0);
    assertThat(Longs.indexOf(ARRAY234, new long[] {(long) 2, (long) 3})).isEqualTo(0);
    assertThat(Longs.indexOf(ARRAY234, new long[] {(long) 3, (long) 4})).isEqualTo(1);
    assertThat(Longs.indexOf(ARRAY234, new long[] {(long) 3})).isEqualTo(1);

import org.codelibs.fess.util.DocList;
import org.codelibs.fess.util.MemoryUtil;
import org.codelibs.fess.util.ThreadDumpUtil;
import org.opensearch.action.search.SearchRequestBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;
import org.opensearch.search.sort.SortOrder;

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
import jakarta.annotation.Resource;

    assertThat(Booleans.indexOf(ARRAY_TRUE, new boolean[0])).isEqualTo(0);
  }

  public void testIndexOf_arrays() {
    assertThat(Booleans.indexOf(EMPTY, false)).isEqualTo(-1);
    assertThat(Booleans.indexOf(ARRAY_FALSE, true)).isEqualTo(-1);
    assertThat(Booleans.indexOf(ARRAY_FALSE_FALSE, true)).isEqualTo(-1);
    assertThat(Booleans.indexOf(ARRAY_FALSE, false)).isEqualTo(0);

        assertThat(ArrayUtil.indexOf(array, "222"), is(1));
        assertThat(ArrayUtil.indexOf(array, "222", 2), is(3));
        assertThat(ArrayUtil.indexOf(array, new Object()), is(-1));
        assertThat(ArrayUtil.indexOf(array, null), is(-1));
        array[1] = null;
        assertThat(ArrayUtil.indexOf(array, null), is(1));
    }

    /**
     * @throws Exception
     */

        String result = original;

        // Unquote
        if (result.indexOf('\"') >= 0) {
            final Matcher m = QUOTE_REPLACE_PATTERN.matcher(original);
            if (m.matches()) {
                result = m.group(1);
            }

            // Unescape
            if (result.indexOf(ESCAPED_QUOTE) >= 0) {
                result = result.replace(ESCAPED_QUOTE, "\"");
            }

    assertThat(iia.indexOf(1)).isEqualTo(0);
    assertThat(iia.indexOf(8)).isEqualTo(5);
    assertThat(iia.indexOf(4)).isEqualTo(-1);
    assertThat(ImmutableDoubleArray.of(13).indexOf(13)).isEqualTo(0);
    assertThat(ImmutableDoubleArray.of().indexOf(21)).isEqualTo(-1);
    assertThat(iia.subArray(1, 5).indexOf(1)).isEqualTo(0);
  }

  public void testIndexOf_specialValues() {