if equals(k, xhttp.AmzMetaUnencryptedContentLength, xhttp.AmzMetaUnencryptedContentMD5) {
			delete(metadata, k)
		}
	}

	if contentEncoding, ok := metadata[strings.ToLower(xhttp.ContentEncoding)]; ok {
		contentEncoding = trimAwsChunkedContentEncoding(contentEncoding)
		if contentEncoding != "" {
			// Make sure to trim and save the content-encoding
			// parameter for a streaming signature which is set

        val identityBody =
          body
            ?: throw IllegalStateException("cannot gzip a request that has no body")

        val contentEncoding = headers["Content-Encoding"]
        check(contentEncoding == null) {
          "Content-Encoding already set: $contentEncoding"
        }

        headers.add("Content-Encoding", "gzip")
        body = GzipRequestBody(identityBody)
      }

		TransitionedObject:         o.TransitionedObject,
		RestoreExpires:             o.RestoreExpires,
		RestoreOngoing:             o.RestoreOngoing,
		ContentType:                o.ContentType,
		ContentEncoding:            o.ContentEncoding,
		Expires:                    o.Expires,
		StorageClass:               o.StorageClass,
		ReplicationStatus:          o.ReplicationStatus,
		UserTags:                   o.UserTags,

      logger.log(headers.name(i) + ": " + value)
    }

    private fun bodyHasUnknownEncoding(headers: Headers): Boolean {
      val contentEncoding = headers["Content-Encoding"] ?: return false
      return !contentEncoding.equals("identity", ignoreCase = true) &&
        !contentEncoding.equals("gzip", ignoreCase = true)
    }

    private fun bodyIsStreaming(response: Response): Boolean {

const (
	LastModified       = "Last-Modified"
	Date               = "Date"
	ETag               = "ETag"
	ContentType        = "Content-Type"
	ContentMD5         = "Content-Md5"
	ContentEncoding    = "Content-Encoding"
	Expires            = "Expires"
	ContentLength      = "Content-Length"
	ContentLanguage    = "Content-Language"
	ContentRange       = "Content-Range"
	Connection         = "Connection"

            self._config.ser_json_bytes
            if self.mode == "serialization"
            else self._config.val_json_bytes
        )
        if bytes_mode == "base64":
            json_schema["contentEncoding"] = "base64"
        self.update_with_validations(json_schema, schema, self.ValidationsMapping.bytes)
        return json_schema


# TODO: remove when dropping support for Pydantic < v2.12.3
_Attrs = {

    # Ref: JSON Schema Validation 2020-12: https://json-schema.org/draft/2020-12/json-schema-validation.html#name-a-vocabulary-for-the-conten
    # A Vocabulary for the Contents of String-Encoded Data
    contentEncoding: str | None = None
    contentMediaType: str | None = None
    contentSchema: Optional["SchemaOrBool"] = None

		IsLatest:         fi.IsLatest,
		DeleteMarker:     fi.Deleted,
		Size:             fi.Size,
		ModTime:          fi.ModTime,
		Legacy:           fi.XLV1,
		ContentType:      fi.Metadata["content-type"],
		ContentEncoding:  fi.Metadata["content-encoding"],
		NumVersions:      fi.NumVersions,
		SuccessorModTime: fi.SuccessorModTime,
		CacheControl:     fi.Metadata["cache-control"],
	}

	if exp, ok := fi.Metadata["expires"]; ok {

		},
		{
			name:    "unknown key Content-Encoding is error as it does not appear in policy",
			fv:      defaultFormVals.Clone().Set(http.CanonicalHeaderKey(xhttp.ContentEncoding), "encoding-val"),
			wantErr: `Each form field that you specify in a form must appear in the list of policy conditions. "Content-Encoding" not specified in the policy.`,
		},
		{
			name:    "many bucket values",

func corsHandler(handler http.Handler) http.Handler {
	commonS3Headers := []string{
		xhttp.Date,
		xhttp.ETag,
		xhttp.ServerInfo,
		xhttp.Connection,
		xhttp.AcceptRanges,
		xhttp.ContentRange,
		xhttp.ContentEncoding,
		xhttp.ContentLength,
		xhttp.ContentType,
		xhttp.ContentDisposition,
		xhttp.LastModified,
		xhttp.ContentLanguage,
		xhttp.CacheControl,
		xhttp.RetryAfter,
		xhttp.AmzBucketRegion,