*/
    protected Base64Util() {
    }

    /**
     * Encodes data in Base64.
     * <p>
     * This method uses {@link java.util.Base64.Encoder} for encoding.
     * </p>
     *
     * @param inData
     *            The data to encode
     * @return The encoded data, or an empty string if the input is null or empty
     */
    public static String encode(final byte[] inData) {
        if (ArrayUtil.isEmpty(inData)) {

    }

    /**
     * Encodes an object name to a URL-safe base64 string.
     *
     * @param objectName the object name to encode
     * @return base64 encoded string
     */
    private String encodeId(final String objectName) {
        if (objectName == null) {
            return StringUtil.EMPTY;
        }

                request.setAttribute(key, query);
            }
            return query;
        }).orElse(null);
    }

    /**
     * Encodes a string to URL-safe Base64 format.
     *
     * @param value the string to encode
     * @return Base64 encoded string, or empty string if value is null
     */
    public static String base64(final String value) {
        if (value == null) {

        assertEquals(0, queryList.size());
    }

    // Additional tests for createSuggestTextId boundary cases
    @Test
    public void testCreateSuggestTextIdBoundaryExactly445() {
        // Create text that encodes to exactly 445 characters
        // Base64 encoding increases size by ~4/3, so original size should be ~333 bytes
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 333; i++) {

    }

    /**
     * Encodes an object name to a URL-safe base64 string.
     *
     * @param objectName the object name to encode
     * @return base64 encoded string
     */
    private String encodeId(final String objectName) {
        if (objectName == null) {
            return StringUtil.EMPTY;
        }

            }, errorHook);
        }
    }

    /**
     * Encodes permission strings into an array.
     *
     * @param permissionsText the permissions text (newline-separated)
     * @return encoded permission array
     */
    protected static String[] encodePermissions(final String permissionsText) {

                }
            }
        }
        return hash;
    }

    /**
     * Encodes a similar document hash using GZIP compression and Base64 encoding.
     * This reduces storage space for hash values while maintaining uniqueness.
     *
     * @param hash the hash string to encode
     * @return the encoded hash string with prefix, or the original hash if encoding fails
     */

    }

    /**
     * Encodes an object name to a URL-safe base64 string.
     *
     * @param objectName the object name to encode
     * @return base64 encoded string
     */
    protected static String encodeId(final String objectName) {
        if (objectName == null) {
            return StringUtil.EMPTY;
        }

        }
    }

    /**
     * Encodes the specified value using the character encoding.
     *
     * @param value the value to encode
     * @return the encoded value
     * @throws CurlException if the encoding is unsupported
     */
    protected String encode(final String value) {
        try {
            return URLEncoder.encode(value, encoding);

                }
                try {
                    final String encoded = serializeParameters(parameters);
                    if (encoded.length() > fessConfig.getCookieSearchParameterMaxLengthAsInteger()) {
                        logger.warn("Encoded search parameters exceed the maximum cookie length: {} > {}. Skipping cookie storage.",
                                encoded.length(), fessConfig.getCookieSearchParameterMaxLengthAsInteger());