Multimap<? extends K, ? extends V> multimap) {
    if (multimap.isEmpty()) {
      return of();
    }

    // TODO(lowasser): copy ImmutableSetMultimap by using asList() on the sets
    if (multimap instanceof ImmutableListMultimap) {
      @SuppressWarnings("unchecked") // safe since multimap is not writable
      ImmutableListMultimap<K, V> kvMultimap = (ImmutableListMultimap<K, V>) multimap;

import java.util.concurrent.TimeUnit;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@link Queue} and {@link Deque} instances. Also see this
 * class's counterparts {@link Lists}, {@link Sets}, and {@link Maps}.
 *
 * @author Kurt Alfred Kluever
 * @since 11.0
 */
@GwtCompatible
public final class Queues {
  private Queues() {}

  // ArrayBlockingQueue

  /**

        assertEquals(5, getTotalAvailableEntries(response));
    }

    @ParameterizedTest
    @DisplayName("Test readParametersWireFormat with various status values")
    @ValueSource(ints = { 0, 1, 100, 255, 32767, 65535 })
    void testReadParametersWireFormatWithVariousStatus(int status) throws Exception {
        byte[] buffer = new byte[8];
        int bufferIndex = 0;

        assertEquals("Expected structureSize = 9", exception.getMessage());
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 100, 255, 256, 65535 })
    @DisplayName("Test readBytesWireFormat with various invalid structure sizes")
    void testReadBytesWireFormatVariousInvalidSizes(int invalidSize) {

        webConfigPager.clear();
        return asHtml(path_AdminWebconfig_AdminWebconfigJsp).renderWith(data -> {
            searchPaging(data, form);
        });
    }

    /**
     * Sets up pagination data for the web config search results.
     * Registers web config items and restores search criteria from the pager.
     *
     * @param data the render data to populate with search results

                }
            }
            log.info("Removed {} channels for session {}", channelGroup.getChannelCount(), sessionId);
        }
    }

    /**
     * Gets statistics for the multi-channel manager.
     *
     * @return channel statistics
     */
    public ChannelStatistics getStatistics() {
        return new ChannelStatistics(sessionChannels.size(),

  public static Test suite() {
    TestSuite suite = new TestSuite();

    // Not testing rowKeySet() or columnKeySet() of Table.transformValues()
    // since the transformation doesn't affect the row and column key sets.

    suite.addTest(
        SetTestSuiteBuilder.using(
                new TestStringSetGenerator() {
                  @Override
                  protected Set<String> create(String[] elements) {

      Spliterator.OfLong spliterator = stream.spliterator();
      long size = spliterator.getExactSizeIfKnown();
      if (size > 0) { // known *and* nonempty
        ensureRoomFor(Ints.saturatedCast(size));
      }
      spliterator.forEachRemaining((LongConsumer) this::add);
      return this;
    }

    /**
     * Appends {@code values}, in order, to the end of the values the built {@link

    throw formatRuntimeException(
        "Latch failed to count down within %d second timeout", timeoutSeconds);
  }

  /**
   * Creates a garbage object that counts down the latch in its finalizer. Sequestered into a
   * separate method to make it somewhat more likely to be unreachable.
   */
  private static void createUnreachableLatchFinalizer(CountDownLatch latch) {
    Object unused =

     * - Temporarily change this test:
     * --- Comment out assertEquals.
     * --- System.out.println(input + " " + simplifyPath(input));
     * --- fail(). (If the test were to pass, its output would be hidden.)
     * - Run the test.
     * - Pull the relevant lines of output from the test into a testcases file.
     * - Test the output:
     * --- cat testcases | while read L; do
     *       X=($L)