return OptionalEntity.empty();
    }

    /**
     * Stores or updates a dictionary file in the ConfigSync storage.
     * This method checks for concurrent modifications by comparing timestamps
     * and uploads the file content to the ConfigSync API.
     *
     * @param dictFile the dictionary file metadata to store
     * @param file the actual file containing the dictionary content

                                    <la:link href="uploadpage/${f:u(dictId)}"
                                             styleClass="btn btn-success btn-xs ${f:h(editableClass)}">
                                        <i class="fa fa-upload" aria-hidden="true"></i>
                                        <la:message key="labels.dict_stopwords_link_upload"/>
                                    </la:link>
                                </div>

const (
	healDir              = ".heal"
	healMRFDir           = bucketMetaPrefix + SlashSeparator + healDir + SlashSeparator + "mrf"
	healMRFMetaFormat    = 1
	healMRFMetaVersionV1 = 1
)

// PartialOperation is a successful upload/delete of an object
// but not written in all disks (having quorum)
type PartialOperation struct {
	Bucket              string
	Object              string
	VersionID           string
	Versions            []byte

                                    <la:link href="uploadpage/${f:u(dictId)}"
                                             styleClass="btn btn-success btn-xs ${f:h(editableClass)}">
                                        <i class="fa fa-upload" aria-hidden="true"></i>
                                        <la:message key="labels.dict_mapping_link_upload"/>
                                    </la:link>
                                </div>

                                        <la:link href="../uploadpage/${f:u(dictId)}"
                                                 styleClass="btn btn-success btn-xs">
                                            <i class="fa fa-upload" aria-hidden="true"></i>
                                            <la:message key="labels.dict_kuromoji_link_upload"/>
                                        </la:link>
                                    </div>

                                        <la:link href="../uploadpage"
                                                 styleClass="btn btn-success btn-xs">
                                            <i class="fa fa-upload" aria-hidden="true"></i>
                                            <la:message key="labels.elevate_word_link_upload"/>
                                        </la:link>
                                    </div>

	// does not match the secret key used during encrypting the object.
	ErrSecretKeyMismatch = Errorf("The secret key does not match the secret key used during upload")

	// ErrCustomerKeyMD5Mismatch indicates that the SSE-C key MD5 does not match the
	// computed MD5 sum. This means that the client provided either the wrong key for

                                    <la:link href="uploadpage/${f:u(dictId)}"
                                             styleClass="btn btn-success btn-xs ${f:h(editableClass)}">
                                        <i class="fa fa-upload" aria-hidden="true"></i>
                                        <la:message key="labels.dict_synonym_link_upload"/>
                                    </la:link>
                                </div>

					m.Set(bucketReplSentBytes, float64(stat.ReplicatedSize), labels...)

					SetHistogramValues(m, bucketReplLatencyMs, stat.Latency.getUploadLatency(), bucketL, bucket, operationL, "upload", targetArnL, arn)
				}
			}
		}
	}

	return nil

            s3Client.putObject(request, RequestBody.fromInputStream(inputStream, size));
        } catch (final Exception e) {
            throw new StorageException("Failed to upload " + objectName, e);
        }
    }

    @Override
    public void downloadObject(final String objectName, final OutputStream outputStream) {
        try {