*/
    public void testDecode_Null() throws Exception {
        final byte[] result = Base64Util.decode(null);
        assertNull("Null should return null", result);
    }

    /**
     * Test encode/decode round trip with various data
     *
     * @throws Exception
     */
    public void testEncodeDecode_RoundTrip() throws Exception {
        // Test with ASCII text
        final String text = "Hello, World!";

            boolean isGroupRecordStarted = false;

            while ((line = reader.readLine()) != null) {
                try {
                    // Strip comments and trim whitespace
                    line = stripComment(line).trim();
                    if (StringUtil.isEmpty(line)) {
                        continue;
                    }

                    // Try to parse as User-agent directive

                if (buf != null && sitemapUrl != null) {
                    sitemapUrl.setLoc(buf.toString().trim());
                    buf = null;
                }
            } else if (LASTMOD_ELEMENT.equals(elementName)) {
                if (buf != null && sitemapUrl != null) {
                    sitemapUrl.setLastmod(buf.toString().trim());
                    buf = null;
                }

                    }
                    if (pair.length == 2) {
                        String sortValue = pair[1].trim();
                        if (StringUtil.isBlank(sortValue) || "score".equals(sortValue)) {
                            sortValue = "score.desc";
                        }
                        return new Pair<>(pair[0].trim(), sortValue);
                    }

import org.xml.sax.InputSource;
import org.xml.sax.helpers.DefaultHandler;

/**
 * Utility class for XML-related operations.
 *
 * This class provides methods to escape special characters in XML strings,
 * strip invalid XML characters, and parse XML content into a map of data.
 *
 * <p>
 * The class is final and cannot be instantiated.
 * </p>
 *
 * <h2>Methods:</h2>
 * <ul>

        for (final String path : paths) {
            if (StringUtil.isNotBlank(path) && !path.trim().startsWith("#")) {
                boolean flag = false;
                for (final String protocol : protocols) {
                    if (path.trim().startsWith(protocol.trim())) {
                        flag = true;
                        break;
                    }
                }

            final String[] keyValue = StringUtils.split(values[1], ":", 2);
            if (keyValue.length == 2) {
                list.add(new Pair<>(keyValue[0].trim(), keyValue[1].trim()));
            } else if (keyValue.length == 1) {
                list.add(new Pair<>(keyValue[0].trim(), StringUtil.EMPTY));
            } else {
                logger.warn("Unexpected value: value={}", s);
            }
        }));

                            .collect(Collectors.joining("\n")));
                    form.virtualHosts = stream(entity.getVirtualHosts())
                            .get(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).collect(Collectors.joining("\n")));
                    form.name = null;
                });
                form.crudMode = CrudMode.CREATE;
            });
        });
    }

    /**

                // Field separator
                fields.add(unquoteField(currentField.toString().trim()));
                currentField.setLength(0);
            } else {
                currentField.append(c);
            }
        }

        // Add last field
        fields.add(unquoteField(currentField.toString().trim()));

        return fields.toArray(new String[0]);
    }

    /**

            final DuplicateHostHelper duplicateHostHelper = ComponentUtil.getDuplicateHostHelper();

            // set urls
            split(urlsStr, "[\r\n]").of(stream -> stream.filter(StringUtil::isNotBlank).map(String::trim).distinct().forEach(urlValue -> {
                if (!urlValue.startsWith("#") && protocolHelper.isValidWebProtocol(urlValue)) {
                    final String u = duplicateHostHelper.convert(urlValue);