}

  public void testOrderedPermutationSetEmpty() {
    List<Integer> list = new ArrayList<>();
    Collection<List<Integer>> permutationSet = Collections2.orderedPermutations(list);

    assertEquals(1, permutationSet.size());
    assertThat(permutationSet).contains(list);

    Iterator<List<Integer>> permutations = permutationSet.iterator();

import java.io.FilterReader;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.CharBuffer;
import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link CharStreams}.
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class CharStreamsTest extends IoTestCase {

import java.io.FilterReader;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.Writer;
import java.nio.CharBuffer;
import java.util.List;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link CharStreams}.
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class CharStreamsTest extends IoTestCase {

        final CsvWriter csvWriter = new CsvWriter(writer, cfg);
        try {
            final List<String> list = new ArrayList<>();
            list.add("SuggestWord");
            list.add("Reading");
            list.add("Permissions");
            list.add("Labels");
            list.add("Boost");
            csvWriter.writeValues(list);

      RunnableExecutorPair list;
      synchronized (this) {
        if (executed) {
          return;
        }
        executed = true;
        list = runnables;
        runnables = null; // allow GC to free listeners even if this stays around for a while.
      }
      while (list != null) {
        executeListener(list.runnable, list.executor);
        list = list.next;
      }
    }

): List<R> {
    if (list.isEmpty()) {
        return noElementSplitFunction(expectedBucketNumber)
    }
    if (expectedBucketNumber == 1) {
        return listOf(smallElementAggregateFunction(list))
    }

    val roughSizeOfEachBucket = list.sumOf(toIntFunction) / expectedBucketNumber
    if (roughSizeOfEachBucket == 0) {

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<CrawlingInfo> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<CrawlingInfo> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<CrawlingInfo> list, RequestOptionCall<BulkRequestBuilder> call,

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<ElevateWord> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<ElevateWord> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<ElevateWord> list, RequestOptionCall<BulkRequestBuilder> call,

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<PathMapping> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<PathMapping> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<PathMapping> list, RequestOptionCall<BulkRequestBuilder> call,

        /**
         * The total number of configuration settings.
         */
        protected long total = 0;

        /**
         * Sets the list of configuration settings and updates the total count.
         * @param settings The list of configuration settings.
         * @return The ApiConfigsResponse instance.
         */
        public ApiConfigsResponse<T> settings(final List<T> settings) {