assertNotNull(result);
        assertEquals(16, result.length); // MD5 produces 16 bytes
    }

    @Test
    void testEngineDigestWithBuffer() {
        // Test engineDigest(byte[] buf, int offset, int len)
        HMACT64 hmac = new HMACT64(TEST_KEY);
        hmac.engineUpdate(TEST_DATA, 0, TEST_DATA.length);

        byte[] buffer = new byte[32];

        if (highlightQueries != null) {
            final StringBuilder buf = new StringBuilder(100);
            highlightQueries.stream().forEach(q -> {
                buf.append("&hq=").append(LaFunctions.u(q));
            });
            data.setAppendHighlightParams(buf.toString());
        }

        queryResponseList.setExecTime(systemHelper.getCurrentTimeAsLong() - startTime);

		Status:     madmin.AccountEnabled,
	}
	buf, err := json.Marshal(reqBodyArg)
	if err != nil {
		c.Fatalf("unexpected json encode err: %v", err)
	}
	buf, err = madmin.EncryptData(secretKey, buf)
	if err != nil {
		c.Fatalf("unexpected encryption err: %v", err)
	}

	req.ContentLength = int64(len(buf))
	sum := sha256.Sum256(buf)
	req.Header.Set("X-Amz-Content-Sha256", hex.EncodeToString(sum[:]))

            if (logger.isInfoEnabled()) {
                final StringBuilder buf = new StringBuilder(100);
                buf.append(e.getMessage());
                if (e.getCause() != null) {
                    buf.append(e.getCause().getMessage());
                }
                logger.info(buf.toString());
            } else if (logger.isDebugEnabled()) {

		return
	}
	// Convert local entries to JSON
	go func() {
		var buf bytes.Buffer
		enc := json.NewEncoder(&buf)
		for {
			select {
			case <-ctx.Done():
				return
			case li := <-logCh:
				if !li.SendLog(node, logKind) {
					continue
				}
				buf.Reset()
				if err := enc.Encode(li); err != nil {
					continue
				}
				select {

	if len(paxHdrs) > 0 || isGlobal {
		// Write each record to a buffer.
		var buf strings.Builder
		// Sort keys for deterministic ordering.
		for _, k := range slices.Sorted(maps.Keys(paxHdrs)) {
			rec, err := formatPAXRecord(k, paxHdrs[k])
			if err != nil {
				return err
			}
			buf.WriteString(rec)
		}

		// Write the extended header file.
		var name string
		var flag byte

					}
				}
			})
		}
	})

	b.Run("Reader", func(b *testing.B) {
		for _, v := range vectors {
			var buf bytes.Buffer
			var r bytes.Reader

			// Write the archive to a byte buffer.
			tw := NewWriter(&buf)
			for _, file := range v.files {
				tw.WriteHeader(file.hdr)
				tw.Write(file.body)
			}
			tw.Close()
			b.Run(v.label, func(b *testing.B) {

            }

            @Override
            protected int readErrorResponse(byte[] buf, int bufIndex) throws SMBProtocolDecodingException {
                errorResponseCalled = true;
                return super.readErrorResponse(buf, bufIndex);
            }
        }

    //   gap->num   => "num"     gap->gap   => ""
    StringBuilder buf = new StringBuilder(39);
    boolean lastWasNumber = false;
    for (int i = 0; i < hextets.length; i++) {
      boolean thisIsNumber = hextets[i] >= 0;
      if (thisIsNumber) {
        if (lastWasNumber) {
          buf.append(':');
        }
        buf.append(Integer.toHexString(hextets[i]));
      } else {

    }

    int len = string.length();
    StringBuilder buf = new StringBuilder((len * 3 / 2) + 16);

    int oldpos = 0;
    do {
      buf.append(string, oldpos, pos);
      buf.append(replacement);
      oldpos = pos + 1;
      pos = indexIn(string, oldpos);
    } while (pos != -1);

    buf.append(string, oldpos, len);
    return buf.toString();
  }

  /**