* @param maxLength The maximum content length in bytes
     * @throws CrawlerSystemException if the MIME type is blank or maxLength is negative
     */
    public void addMaxLength(final String mimeType, final long maxLength) {
        if (StringUtil.isBlank(mimeType)) {
            throw new CrawlerSystemException("MIME type is a blank.");
        }
        if (maxLength < 0) {

        this.length = length;
        this.maxLength = maxLength;
        this.pointer = pointer;
    }

    /**
     * Gets the actual length of the string in bytes.
     *
     * @return the string length
     */
    public short getLength() {
        return this.length;
    }

    /**

	// no vector register is larger than 512 bytes for now
	const maxLength = 512
	a := make([]byte, maxLength)
	b := make([]byte, maxLength)
	// randomish but deterministic data. No 0 or 255.
	for i := 0; i < maxLength; i++ {
		a[i] = byte(1 + 31*i%254)
		b[i] = byte(1 + 31*i%254)
	}
	for i := 2; i <= maxLength; i <<= 1 {
		for j := 0; j < i-1; j++ {
			a[j] = b[j] - 1
			a[j+1] = b[j+1] + 1

     */
    @Test
    void testConstructorAndGetters() {
        // Create a new instance with some test data
        short length = 10;
        short maxLength = 20;
        int pointer = 100;
        PacUnicodeString pacString = new PacUnicodeString(length, maxLength, pointer);

        // Verify that the object was created
        assertNotNull(pacString, "The PacUnicodeString object should not be null.");

    this.toString = checkNotNull(toString);
    this.prototype = getMessageDigest(algorithmName);
    int maxLength = prototype.getDigestLength();
    checkArgument(
        bytes >= 4 && bytes <= maxLength, "bytes (%s) must be >= 4 and < %s", bytes, maxLength);
    this.bytes = bytes;
    this.supportsClone = supportsClone(prototype);
  }

  private static boolean supportsClone(MessageDigest digest) {

    this.toString = checkNotNull(toString);
    this.prototype = getMessageDigest(algorithmName);
    int maxLength = prototype.getDigestLength();
    checkArgument(
        bytes >= 4 && bytes <= maxLength, "bytes (%s) must be >= 4 and < %s", bytes, maxLength);
    this.bytes = bytes;
    this.supportsClone = supportsClone(prototype);
  }

  private static boolean supportsClone(MessageDigest digest) {

        final short length = readShort();
        final short maxLength = readShort();
        final int pointer = readInt();

        if (maxLength < length) {
            throw new PACDecodingException("Malformed string in PAC");
        }

        return new PacUnicodeString(length, maxLength, pointer);
    }

    /**
     * Reads a string with length prefix from the stream.

                                    {
                                        "type": "string",
                                        "minLength": 3,
                                        "maxLength": 50,
                                    },
                                    {"type": "null"},
                                ],
                                "title": "Q",
                            },

        pdis = createInputStream(nullData);
        assertNull(pdis.readFiletime());
    }

    @Test
    public void testReadUnicodeString() throws IOException, PACDecodingException {
        // length=4, maxLength=4, pointer=0x1234
        byte[] data = new byte[] { 0x04, 0x00, 0x04, 0x00, 0x34, 0x12, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);
        PacUnicodeString str = pdis.readUnicodeString();

                                    {
                                        "type": "string",
                                        "minLength": 3,
                                        "maxLength": 50,
                                        "pattern": "^fixedquery$",
                                    },
                                    {"type": "null"},
                                ],