// Ignore
                    }
                }).start();
            }

            startLatch.countDown();
            assertTrue(endLatch.await(1, TimeUnit.SECONDS));
            assertTrue(response.isReceived());
        }

        @Test
        @DisplayName("Should handle concurrent error notifications")
        void testConcurrentError() throws InterruptedException {

  @GwtIncompatible
  public Class<K> keyType() {
    return keyTypeOrObjectUnderJ2cl;
  }

  /**
   * @serialData the key 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();

And also after the `response` is generated, before returning it.

For example, you could add a custom header `X-Process-Time` containing the time in seconds that it took to process the request and generate a response:

{* ../../docs_src/middleware/tutorial001_py39.py hl[10,12:13] *}

/// tip

            }
            thread = null;
            try {
                executorService.shutdown();
                executorService.awaitTermination(60, TimeUnit.SECONDS);
            } catch (final InterruptedException e) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted.", e);
                }
            } finally {

     */
    public long getRetryDelay() {
        switch (severity) {
        case RECOVERABLE:
            return 100; // Immediate retry with small delay
        case TRANSIENT:
            return 5000; // Wait 5 seconds
        default:
            return 0; // No retry
        }
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();

        assertEquals("c", raf.readLine());

        when(raf.read()).thenReturn(-1);
        assertNull(raf.readLine());
    }

    @Test
    @DisplayName("readUTF(): decodes bytes after size prefix")
    void readUTF_decodes() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));
        // Size prefix 3, then bytes for "abc"

		return
	}

	durationStr := r.Form.Get(peerRESTDuration)
	duration, err := time.ParseDuration(durationStr)
	if err != nil || duration.Seconds() == 0 {
		duration = time.Second * 10
	}
	result := netperf(r.Context(), duration.Round(time.Second))
	peersLogIf(r.Context(), gob.NewEncoder(w).Encode(result))
}

}

// MarshalXML - encodes to XML data.
func (arn ARN) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
	return e.EncodeElement(arn.String(), start)
}

// UnmarshalXML - decodes XML data.
func (arn *ARN) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
	var s string
	if err := d.DecodeElement(&s, &start); err != nil {
		return err
	}

	parsedARN, err := parseARN(s)

func (s SourceSelectionCriteria) Validate() error {
	if (s == SourceSelectionCriteria{}) {
		return nil
	}
	if !s.IsValid() {
		return errInvalidSourceSelectionCriteria
	}
	return nil
}

// UnmarshalXML - decodes XML data.
func (s *SourceSelectionCriteria) UnmarshalXML(dec *xml.Decoder, start xml.StartElement) (err error) {
	// Make subtype to avoid recursive UnmarshalXML().
	type sourceSelectionCriteria SourceSelectionCriteria

        CommonServerMessageBlockRequest second = request.getNext();
        CommonServerMessageBlockRequest third = second.getNext();
        CommonServerMessageBlockRequest fourth = third.getNext();
        boolean firstAllowsSecond = request.allowChain(nextRequest);
        boolean secondAllowsThird = nextRequest.allowChain(thirdRequest);

        // Then
        assertEquals(nextRequest, second);
        assertEquals(thirdRequest, third);