jobExecutor.addShutdownListener(listener1);
        assertEquals(listener1, jobExecutor.shutdownListener);

        // Replace with second listener
        jobExecutor.addShutdownListener(listener2);
        assertEquals(listener2, jobExecutor.shutdownListener);

        // Verify only second listener is called
        jobExecutor.shutdown();
        assertEquals(10, callCount.get());
    }

    public void test_shutdown() {

       * columns in the first row, the columns in the second row, etc. If a column Comparator is
       * provided but a row Comparator isn't, cellSet() iterates across the rows in the first
       * column, the rows in the second column, etc.
       */
      Comparator<Cell<R, C, V>> comparator =
          (Cell<R, C, V> cell1, Cell<R, C, V> cell2) -> {

  }

  @Override
  V checkValue(V value) {
    return checkNotNull(value);
  }

  /**
   * @serialData the key class, value class, number of entries, first key, first value, second key,
   *     second value, and so on.
   */
  @GwtIncompatible // java.io.ObjectOutputStream
  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();

            byte[] buffer1 = new byte[1024];
            int bytesRead1 = stream1.read(buffer1);
            assertEquals(testContent, new String(buffer1, 0, bytesRead1, "UTF-8"));
        }

        // Second read - should work independently
        try (InputStream stream2 = cache.getInputStream()) {
            byte[] buffer2 = new byte[1024];
            int bytesRead2 = stream2.read(buffer2);

import org.dbflute.mail.send.SMailDeliveryDepartment;
import org.dbflute.mail.send.SMailPostalMotorbike;
import org.dbflute.mail.send.SMailPostalParkingLot;
import org.dbflute.mail.send.SMailPostalPersonnel;
import org.dbflute.mail.send.embedded.personnel.SMailDogmaticPostalPersonnel;
import org.dbflute.mail.send.embedded.receptionist.SMailConventionReceptionist;
import org.dbflute.mail.send.supplement.async.SMailAsyncStrategy;

    dnsProviders =
      providers(
        client = bootstrapClient,
        http2Only = true,
        workingOnly = true,
        getOnly = true,
      )
    runBatch(dnsProviders, names)
    println("cached second run\n*****************\n")
    dnsProviders =
      providers(
        client = bootstrapClient,
        http2Only = true,
        workingOnly = true,
        getOnly = true,
      )

        .callTimeout(10, TimeUnit.SECONDS)
        .build();
  }

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("http://httpbin.org/delay/2") // This URL is served with a 2 second delay.
        .build();

    try (Response response = client.newCall(request).execute()) {
      System.out.println("Response completed: " + response);
    }
  }

        ResultOffsetExceededException exception3 = new ResultOffsetExceededException("Third instance");

        assertNotSame(exception1, exception2);
        assertNotSame(exception2, exception3);
        assertNotSame(exception1, exception3);

        assertEquals("First instance", exception1.getMessage());
        assertEquals("Second instance", exception2.getMessage());

    assertTrue(tokL.isSupertypeOf(StringList.class.getGenericInterfaces()[0]));

    @SuppressWarnings("rawtypes") // Trying to test raw class
    TypeToken<Second> tokS = new TypeToken<Second>() {};
    assertTrue(tokS.isSupertypeOf(Second.class));
    assertTrue(tokS.isSupertypeOf(Third.class.getGenericSuperclass()));
  }

  public void testAssignableArrayToClass() {

    super(ImmutableMap.<Object, ImmutableSet<Object>>of(), 0, null);
  }

  /*
   * TODO(b/242884182): Figure out why this helps produce the same class file when we compile most
   * of common.collect a second time with the results of the first compilation on the classpath. Or
   * just back this out once we stop doing that (which we'll do after our internal GWT setup
   * changes).
   */
  @Override