private static String printHexBinary(byte[] data) {
        StringBuilder r = new StringBuilder(data.length * 2);
        for (byte b : data) {
            r.append(HEX_CODE[(b >> 4) & 0xF]);
            r.append(HEX_CODE[(b & 0xF)]);
        }
        return r.toString();
    }

        final int start = dstIndex;
        SMBUtil.writeInt2(48, dst, dstIndex);
        SMBUtil.writeInt2(this.locks.length, dst, dstIndex + 2);
        dstIndex += 4;
        SMBUtil.writeInt4((this.lockSequenceNumber & 0xF) << 28 | this.lockSequenceIndex & 0x0FFFFFFF, dst, dstIndex);
        dstIndex += 4;
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        for (final Smb2Lock l : this.locks) {

        val codepointDelta = (b1 and 0xF shl 14) or (b2 shl 7) or b3
        sink.writeUtf8CodePoint(codePoint - codepointDelta)
      }

      in 80..95 -> {
        // Mapped inline as codePoint delta to add
        val b2 = ranges[rangesIndex + 2].code
        val b3 = ranges[rangesIndex + 3].code

        val codepointDelta = (b1 and 0xF shl 14) or (b2 shl 7) or b3

    private static String bin_to_hex(int value, final int length) {
        final char[] arr = new char[length];
        int ai = arr.length;
        while (ai-- > 0) {
            arr[ai] = HEXCHARS[value & 0xF];
            value >>>= 4;
        }
        return new String(arr);
    }

    private static byte B(final int i) {
        return (byte) (i & 0xFF);
    }

    private static short S(final int i) {

     */
    public static String bin_to_hex(int value, final int length) {
        final char[] arr = new char[length];
        int ai = arr.length;
        while (ai-- > 0) {
            arr[ai] = HEXCHARS[value & 0xF];
            value >>>= 4;
        }
        return new String(arr);
    }

    private static byte B(final int i) {
        return (byte) (i & 0xFF);
    }

    private static short S(final int i) {

        int allStandard = SecurityInfo.OWNER_SECURITY_INFO | SecurityInfo.GROUP_SECURITY_INFO | SecurityInfo.DACL_SECURITY_INFO
                | SecurityInfo.SACL_SECURITY_INFO;
        assertEquals(0xF, allStandard);
    }

    @Test
    @DisplayName("Test flag checking with bitwise AND")
    void testFlagChecking() {
        int flags = SecurityInfo.OWNER_SECURITY_INFO | SecurityInfo.DACL_SECURITY_INFO;

    if (n > MAX_FACTORIAL) {
      return Double.POSITIVE_INFINITY;
    } else {
      // Multiplying the last (n & 0xf) values into their own accumulator gives a more accurate
      // result than multiplying by everySixteenthFactorial[n >> 4] directly.
      double accum = 1.0;
      for (int i = 1 + (n & ~0xf); i <= n; i++) {
        accum *= i;
      }
      return accum * everySixteenthFactorial[n >> 4];
    }
  }

      encodings[0x7] = encoding // Bell
      encodings['\b'.code] = encoding // Backspace
      encodings[0xb] = encoding // Vertical Tab
      encodings[0xe] = encoding // Shift Out
      encodings[0xf] = encoding // Shift In
      encodings[0x10] = encoding // Data Link Escape
      encodings[0x11] = encoding // Device Control 1 (oft. XON)
      encodings[0x12] = encoding // Device Control 2

    hpackWriter!!.resizeHeaderTable(2048)
    hpackWriter!!.writeHeaders(listOf(Header("foo", "bar")))
    assertBytes(
      // Dynamic table size update (size = 2048).
      0x3F,
      0xE1,
      0xF,
      0x40,
      3,
      'f'.code,
      'o'.code,
      'o'.code,
      3,
      'b'.code,
      'a'.code,
      'r'.code,
    )
    hpackWriter!!.resizeHeaderTable(8192)

                    case '\r':
                        out.append('\\');
                        out.append('r');
                        break;
                    default:
                        if (ch > 0xf) {
                            out.append("\\u00").append(hex(ch));
                        } else {
                            out.append("\\u000").append(hex(ch));
                        }