throw new IOException("Invalid UTF-8 sequence");
                }
                uni[ui] |= (ch & 0x3F) << 6;
                ch = src[si++] & 0xFF;
                uni[ui] |= ch & 0x3F;
                if ((ch & 0xC0) != 0x80 || uni[ui] < 0x800) {
                    throw new IOException("Invalid UTF-8 sequence");
                }
            } else {

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.junit</groupId>
    <artifactId>bom</artifactId>
    <version>0.1</version>
    <packaging>pom</packaging>

    <dependencyManagement>

/**
 * Extracts text content from an input stream as plain text.
 */
public class TextExtractor extends AbstractExtractor {

    /**
     * The encoding for text.
     */
    protected String encoding = Constants.UTF_8;

    /**
     * Creates a new TextExtractor instance.
     */
    public TextExtractor() {
        super();
    }

    @Override

NAMED --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED --add-opens=java.base/java.nio.charset=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED -Xms256m -Xmx1024m -Dfile.encoding=UTF-8 -Djava.io.tmpdir=C:\\tcagent1\\work\\f63322e10dd6b396\\subprojects\\launcher\\build\\tmp -Duser.country=US -Duser.language=en -Duser.variant -ea -cp "C:\\tcagent1\\work\\f63322e10dd6b396\\subprojects\\distributions-full\\build\\bin distribution\\...

        final List<CharMappingItem> itemList = new ArrayList<>();
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(in, Constants.UTF_8))) {
            long id = 0;
            String line = null;
            while ((line = reader.readLine()) != null) {
                // Remove comments

        parentContent = parentContent.replace(
                "<packaging>pom</packaging>",
                "<packaging>pom</packaging><properties><addedProperty>addedValue</addedProperty></properties>");
        Files.write(parent.toPath(), parentContent.getBytes(StandardCharsets.UTF_8));
        // re-build pom with modified parent

<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
  <base-config cleartextTrafficPermitted="false">
  </base-config>

<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
  <base-config cleartextTrafficPermitted="false">
  </base-config>

            zos.putNextEntry(entry1);
            zos.write("Valid content テスト".getBytes("UTF-8"));
            zos.closeEntry();

            // Add another valid entry
            final ZipEntry entry2 = new ZipEntry("another.txt");
            zos.putNextEntry(entry2);
            zos.write("Another valid content".getBytes("UTF-8"));
            zos.closeEntry();
        }

        @Test
        @DisplayName("should update namespace recursively")
        void shouldUpdateNamespaceRecursively() throws Exception {
            String pomXml = """
                <?xml version="1.0" encoding="UTF-8"?>
                <project xmlns="http://maven.apache.org/POM/4.0.0">
                    <modelVersion>4.0.0</modelVersion>
                    <dependencies>
                        <dependency>