return b, err
	}
	if err == nil {
		b.defaultTimestamps()
	}

	// If bucket metadata is missing look for legacy files,
	// since we only ever had b.Created as non-zero when
	// migration was complete in 2020-May release. So this
	// a check to avoid migrating for buckets that already
	// have this field set.
	if b.Created.IsZero() {
		configs, err := b.getAllLegacyConfigs(ctx, objectAPI)
		if err != nil {

   * LinkedListMultimap#create()}, {@link TreeMultimap#create()}, and {@link
   * TreeMultimap#create(Comparator, Comparator)} won't suffice.
   *
   * <p>Note: the multimap assumes complete ownership over of {@code map} and the collections
   * returned by {@code factory}. Those objects should not be manually updated and they should not
   * use soft, weak, or phantom references.
   *

INFO:     Uvicorn running on http://127.0.0.1:8000 (Press CTRL+C to quit)
INFO:     Started reloader process [28720]
INFO:     Started server process [28722]
INFO:     Waiting for application startup.
INFO:     Application startup complete.
```

</div>

<details markdown="1">
<summary>关于 <code>uvicorn main:app --reload</code> 命令......</summary>

 `uvicorn main:app` 命令含义如下:

* `main`：`main.py` 文件（一个 Python "模块"）。

            }
        }
        finishedSessionIdList.clear();

        if (logger.isInfoEnabled()) {
            logger.info("Deleted completed document data: time={}ms", systemHelper.getCurrentTimeAsLong() - execTime);
        }
    }

    /**
     * Forces all crawlers to stop immediately.

        SecureKeyManager.secureWipe(modifiedSessionKey);

        // Rotate keys using existing method
        rotateKeys(newEncryptionKey, newDecryptionKey);

        log.info("Automatic key rotation completed for session: {} (rotation count: {})", sessionId, rotationCount);
    }

    /**
     * Securely wipe encryption keys from memory
     */
    public void secureWipeKeys() {

 *
 * Warning: Do not use this if there is a chance that you might have multiple connections (even plain
 * HttpURLConnections, for the complete JRE) to the same host with different or mixed anonymous/authenticated
 * credentials. Authenticated connections can/will be reused.
 *

        assertNull(referral.getAltPath());
        assertNull(referral.getNode());
    }

    // Getter Tests

    @Test
    public void testGetters() {
        // Setup a complete referral
        ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);

        bb.putShort((short) 3);
        bb.putShort((short) 100);
        bb.putShort((short) 7);

    assertThat(map).hasSize(1);
    assertThat(map.containsKey(getKey)).isFalse();
    assertThat(map.get(refreshKey)).isSameInstanceAs(refreshKey);

    // let computation complete
    letGetFinishSignal.countDown();
    getFinishedSignal.await();
    checkNothingLogged();

    // asMap view should have been updated
    assertThat(cache.size()).isEqualTo(2);

/**
 * Fixed-size {@link Table} implementation backed by a two-dimensional array.
 *
 * <p><b>Warning:</b> {@code ArrayTable} is rarely the {@link Table} implementation you want. First,
 * it requires that the complete universe of rows and columns be specified at construction time.
 * Second, it is always backed by an array large enough to hold a value for every possible

		{bucketNames[0], objectNames[0], uploadIDs[0], inputParts[3].parts, s3MD5, nil, true},
		// The other parts will be flushed after a successful CompletePart (Test number 18).
		// the case above successfully completes CompleteMultipartUpload, the remaining Parts will be flushed.
		// Expecting to fail with Invalid UploadID.
		{bucketNames[0], objectNames[0], uploadIDs[0], inputParts[4].parts, "", InvalidUploadID{UploadID: uploadIDs[0]}, false},