Herrmann, Tian Jin, tigertang, Tom Carchrae, Tom Forbes, Trent Lo, Victor Peng,
vijayphoenix, Vincent Abriou, Vishal Bhola, Vishnuvardhan Janapati, vladbataev,
VoVAllen, Wallyss Lima, Wen-Heng (Jack) Chung, wenxizhu, William D. Irons,
William Zhang, Xiaoming (Jason) Cui, Xiaoquan Kong, Xinan Jiang, Yasir Modak,
Yasuhiro Matsumoto, Yaxun (Sam) Liu, Yong Tang, Ytyt-Yt, yuan, Yuan Mingshuai,
Yuan Tang, Yuki Ueda, Yusup, zhangshijin, zhuwenxi

# Release 2.0.1

	testCases := []struct {
		etag         string
		expectedETag string
	}{
		{`"8019e762"`, `8019e762-1`},
		{"5d57546eeb86b3eba68967292fba0644", "5d57546eeb86b3eba68967292fba0644-1"},
		{`"8019e762-1"`, `8019e762-1`},
		{"5d57546eeb86b3eba68967292fba0644-1", "5d57546eeb86b3eba68967292fba0644-1"},
	}
	for i, testCase := range testCases {
		etag := ToS3ETag(testCase.etag)
		if etag != testCase.expectedETag {

		Bucket:                     o.Bucket,
		Name:                       o.Name,
		ModTime:                    o.ModTime,
		Size:                       o.Size,
		IsDir:                      o.IsDir,
		ETag:                       o.ETag,
		VersionID:                  o.VersionID,
		IsLatest:                   o.IsLatest,
		DeleteMarker:               o.DeleteMarker,
		TransitionedObject:         o.TransitionedObject,

        "fe012443-6ba9-4ef2-bb94-b729d2060c78/test123/testw3c.pdf/xl.meta": {"Versions":[{"Type":1,"V2Obj":{"ID":"aGEA/ZUOR4ueRIZsA...

    /**
     * Extension header set by OkHttp specifying the timestamp when the cached HTTP response was
     * first received.
     */
    private var receivedResponseMillis = 0L

    /** Etag of the cached response. */
    private var etag: String? = null

    /** Age of the cached response. */
    private var ageSeconds = -1

    /**
     * Returns true if computeFreshnessLifetime used a heuristic. If we used a heuristic to serve a

```Python
q: Union[str, None] = Query(default=None)
```

... rend le paramètre optionnel, et est donc équivalent à :

```Python
q: Union[str, None] = None
```

Mais déclare explicitement `q` comme étant un paramètre de requête.

/// info

Gardez à l'esprit que la partie la plus importante pour rendre un paramètre optionnel est :

```Python
= None
```

ou :

```Python
= Query(None)
```

		Bucket:      bucket,
		Name:        object,
		Size:        r.Size(),
		IsLatest:    true,
		ContentType: string(mimeXML),
		NumVersions: 1,
		ETag:        etag,
		ModTime:     UTCNow(),
	}, opts)

		// as well as common modtime, if modtime is not possible
		// verify if it has common "etag" at least.
		if onlineMeta[i].IsValid() && onlineMeta[i].Erasure.Equal(fi.Erasure) {
			ok := onlineMeta[i].ModTime.Equal(modTime)
			if modTime.IsZero() || modTime.Equal(timeSentinel) {
				ok = etag != "" && etag == fi.Metadata["etag"]
			}
			if ok {
				continue
			}

		if err != nil {
			t.Errorf("%s: <ERROR> %s", instanceType, err)
		}
		if calcPartInfo.ETag != expectedETaghex {
			t.Errorf("MD5 Mismatch")
		}
		completedParts.Parts = append(completedParts.Parts, CompletePart{
			PartNumber: i,
			ETag:       calcPartInfo.ETag,
		})
	}

			if kmsCtx, ok := objInfo.UserDefined[crypto.MetaContext]; ok {
				w.Header().Set(xhttp.AmzServerSideEncryptionKmsContext, kmsCtx)
			}
			if len(objInfo.ETag) >= 32 && strings.Count(objInfo.ETag, "-") != 1 {
				objInfo.ETag = objInfo.ETag[len(objInfo.ETag)-32:]
			}
		case crypto.SSEC:
			w.Header().Set(xhttp.AmzServerSideEncryptionCustomerAlgorithm, r.Header.Get(xhttp.AmzServerSideEncryptionCustomerAlgorithm))