.contentType("application/octet-stream")
                .build());
        minioClient.putObject(PutObjectArgs.builder()
                .bucket(bucketName)
                .object("dir1/file2.txt")
                .stream(new ByteArrayInputStream("file2".getBytes()), 5, -1)
                .contentType("application/octet-stream")
                .build());

			name:     "1",
			metadata: map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86", "x-amz-storage-class": "STANDARD"},
			want:     map[string]string{"content-type": "application/octet-stream", "etag": "de75a98baf2c6aef435b57dd0fc33c86"},
		},
		{
			name:     "2",

Å Kƒ¤Type ¥V2ObjÞ ¢IDÄ ¤DDirÄ ‰ Z•`=A#µß ñN`áÚ¦EcAlgo £EcM £EcN §EcBSizeÒ §EcIndex ¦EcDistœ ¨CSumAlgo ¨PartNums‘ ©PartETagsÀ©PartSizes‘ ªPartASizes‘ ¤Size ¥MTimeÓ É ¸í80§MetaSys ¼x-minio-internal-inline-dataÄ true§MetaUsr‚¬content-type¸application/octet-stream¤etagÙ 08ba8b8411960c5bc1e2¡v ΰ\ Ë ¤nullÄ%O‹óãB !EÆÐ ÃóÑÑä´.5t Ã*uºÅ{ _dùrd=EC multisitea/data/disterasure/xl3/.minio.sys/config/iam/format.json/xl.meta XL2 Æ o Ä$•Ä Ó ÉŸþ¦ ÆHÄ ¼… Å Cƒ¤Type ¥V2ObjÞ ¢IDÄ ¤DDirÄ ÷ ·_ñ7MùtyÑ ÿ? ¦EcAlgo £EcM £EcN...

        this.useFilename = useFilename;
    }

    /**
     * Sets whether to use the filename for MIME type detection when the stream is octet-stream.
     *
     * @param useFilenameOnOctetStream true to use the filename for MIME type detection when the stream is octet-stream; false otherwise.
     */
    public void setUseFilenameOnOctetStream(final boolean useFilenameOnOctetStream) {

        void testUnknownExtension() throws IOException {
            assertEquals("application/octet-stream", mimeMap.getMimeType("unknownext"));
            assertEquals("application/octet-stream", mimeMap.getMimeType("notfound"));
            assertEquals("application/octet-stream", mimeMap.getMimeType("doesnotexist"));
        }

        @Test
        @DisplayName("Should handle case insensitive extensions")

        length = 0;
        do {
            final int octet = s.read();
            if (octet < 0) {
                throw new EOFException("EOF found reading length");
            }

            if (length >>> 23 != 0) {
                throw new IOException("long form definite-length more than 31 bits");
            }

            length = (length << 8) + octet;
        } while (++octetsPos < octetsCount);

"X-Minio-Internal-Server-Side-Encryption-S3-Sealed-Key": "IAAfAPFYRDkHVirJBJxBixNj3PLWt78dFuUTyTLIdLG820J7XqLPBO4gpEEEWw/DoTsJIb+apnaem+rKtQ1h3Q==", "X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm": "DAREv2-HMAC-SHA256", "content-type": "application/octet-stream", "etag": "20000f00e2c3709dc94905c6ce31e1cadbd1c064e14acdcd44cf0ac2db777eeedd88d639fcd64de16851ade8b21a9a1a"}, Parts: []ObjectPartInfo{{ETag: "", Number: 1, Size: 3430, ActualSize: 3398}}, Erasure: ErasureInfo{Algorithm: "reedsolomon", DataBlocks:...

ը�Size�	ը�MTime�������MetaSys��x-minio-internal-replica-status�REPLICA�"x-minio-internal-replica-timestamp�2022-03-20T15:17:01.730949636Z�MetaUsr��X-Amz-Replication-Status�REPLICA�etag� 9587ddd31fead633830366f45d221d56�content-type�application/octet-stream�x-amz-storage-class�STANDARD�$��PPb�I(��e��(������������
�
Ղ�Type
�V2Obj��ID�PPb�I(��e��(�ǤDDir�+O~A߂J^�����3/�EcAlgo
�EcM�EcN�EcBSize��EcIndex
�EcDist�
�CSumAlgo
�PartNums�
�PartETags��PartSizes��	ը�PartASizes��...

    }

    /**
     * Returns the MIME type for the given file extension.
     * If no mapping is found, returns "application/octet-stream" as the default.
     *
     * @param extension the file extension to look up (without the dot)
     * @return the MIME type for the extension, or "application/octet-stream" if not found
     * @throws IOException if there is an error processing the MIME mappings
     */

��PartSizes��	ը�PartASizes��	ը�Size�	ը�MTime�����çMetaSys��x-minio-internal-replica-status�REPLICA�"x-minio-internal-replica-timestamp�2022-03-20T15:15:01.584169645Z�MetaUsr��etag� 9587ddd31fead633830366f45d221d56�content-type�application/octet-stream�x-amz-storage-class�STANDARD�X-Amz-Replication-Status�REPLICA�sCݲ...