{* ../../docs_src/path_operation_advanced_configuration/tutorial006.py hl[20:37,39:40] *}

👉 🖼, 👥 🚫 📣 🙆 Pydantic 🏷. 👐, 📨 💪 🚫 <abbr title="converted from some plain format, like bytes, into Python objects">🎻</abbr> 🎻, ⚫️ ✍ 🔗 `bytes`, &amp; 🔢 `magic_data_reader()` 🔜 🈚 🎻 ⚫️ 🌌.

👐, 👥 💪 📣 📈 🔗 📨 💪.

### 🛃 🗄 🎚 🆎

⚙️ 👉 🎏 🎱, 👆 💪 ⚙️ Pydantic 🏷 🔬 🎻 🔗 👈 ⤴️ 🔌 🛃 🗄 🔗 📄 *➡ 🛠️*.

   *   <li>The space character " " is converted into a plus sign "+".
   *   <li>All other characters are converted into one or more bytes using UTF-8 encoding and each
   *       byte is then represented by the 3-character string "%XY", where "XY" is the two-digit,
   *       uppercase, hexadecimal representation of the byte value.
   * </ul>
   *
   * <p>This escaper is suitable for escaping parameter names and values even when <a

        }
    }

    /**
     * Writes the specified byte array to the file at the given pathname.
     *
     * @param pathname
     *            The path to the file.
     * @param bytes
     *            The byte array to write.
     */
    public static void writeBytes(final String pathname, final byte[] bytes) {
        try (FileOutputStream fos = OutputStreamUtil.create(new File(pathname))) {

        byte[] dst = new byte[15]; // Increased buffer size to accommodate offset + 8 bytes
        int offset = 3; // start in the middle to ensure no tail is overwritten
        int bytesWritten = cmd.writeParametersWireFormat(dst, offset);
        assertEquals(8, bytesWritten, "writeParametersWireFormat should write 8 bytes");

        byte[] expected = expectedParameters(fid, securityInformation);

    }
  }

  companion object {
    /** Arbitrary code point that's 2 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_2 = 0x1a5

    /** Arbitrary code point that's 3 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_3 = 0x2202

    /** Arbitrary code point that's 4 bytes in UTF-8 and valid in IdnaMappingTable.txt. */
    private const val UNICODE_4 = 0x1d11e

        // Verify file ID
        byte[] actualFileId = new byte[16];
        System.arraycopy(buffer, 80, actualFileId, 0, 16);
        assertArrayEquals(newFileId, actualFileId);

        assertEquals(96, bytesWritten); // 32 bytes header + 64 bytes info
    }

    // Helper interface for testing

        securityDescriptorBytes[22] = 8; // ACL size (low byte)
        securityDescriptorBytes[23] = 0; // ACL size (high byte)
        securityDescriptorBytes[24] = 0; // ACE count (low byte) - 0 ACEs
        securityDescriptorBytes[25] = 0; // ACE count (high byte)
        securityDescriptorBytes[26] = 0; // sbz2 (low byte)
        securityDescriptorBytes[27] = 0; // sbz2 (high byte)

            final byte[] mechanismListMIC) {
        setResult(result);
        setMechanism(mechanism);
        setMechanismToken(mechanismToken);
        setMechanismListMIC(mechanismListMIC);
    }

    /**
     * Constructs a NegTokenTarg by parsing the provided token bytes
     * @param token the SPNEGO token bytes to parse
     * @throws IOException if parsing fails

        }

        // Check for null bytes
        if (str.indexOf('\0') != -1) {
            failedValidations.incrementAndGet();
            log.warn("{} contains null bytes", fieldName);
            throw new SmbException(fieldName + " contains null bytes");
        }

        // Check for control characters
        for (int i = 0; i < str.length(); i++) {

    // Format: TOK_ID(2 bytes) | OID_LEN(2 bytes) | OID_DER | NAME_LEN(4 bytes) | NAME(bytes)
    private static byte[] buildExportName(Oid mech, String name) throws GSSException {
        byte[] der = mech.getDER();
        byte[] nb = name.getBytes();
        int len = 2 + 2 + der.length + 4 + nb.length;
        byte[] out = new byte[len];
        int i = 0;