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();
  }

  /**

    @DisplayName("read(byte[],off,0): returns 0 without I/O")
    void read_lenZero_returnsZero() throws Exception {
        SmbRandomAccessFile raf = newInstance("r", false, false, false);
        byte[] buf = new byte[4];
        assertEquals(0, raf.read(buf, 0, 0));
    }

    @Test
    @DisplayName("read(): returns -1 when underlying read reports EOF")
    void read_returnsMinusOne_onEOF() throws Exception {

func ParseObjectLegalHold(reader io.Reader) (hold *ObjectLegalHold, err error) {
	buf, err := io.ReadAll(io.LimitReader(reader, maxObjectLockConfigSize))
	if err != nil {
		return nil, err
	}

	hold = &ObjectLegalHold{}
	if err = xml.NewDecoder(bytes.NewReader(buf)).Decode(hold); err != nil {
		return nil, err
	}

	if !hold.Status.Valid() {
		return nil, ErrMalformedXML
	}

    }

    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();
  }

  /**

        try (InputStream errorStream = this.connection.getErrorStream()) {
            if (errorStream != null && errorStream.available() != 0) {
                final byte[] buf = new byte[1024];
                while (errorStream.read(buf, 0, 1024) != -1) {
                    ;
                }
            }
            String authHeader;
            if (response == HTTP_UNAUTHORIZED) {

64-bit integers. func ctrBlocks(b *Block, dst, src []byte, ivlo, ivhi uint64) { buf := make([]byte, len(src), 8*BlockSize) for i := 0; i < len(buf); i += BlockSize { byteorder.BEPutUint64(buf[i:], ivhi) byteorder.BEPutUint64(buf[i+8:], ivlo) ivlo, ivhi = add128(ivlo, ivhi, 1) encryptBlock(b, buf[i:], buf[i:]) } // XOR into buf first, in case src and dst overlap (see above). subtle.XORBytes(buf, src, buf) copy(dst, buf) } func add128(lo, hi uint64, x uint64) (uint64, uint64) { lo, c := bits.Add64(lo,...