## ✨ Features

### Core Utilities
- **Bean Manipulation** (`org.codelibs.core.beans`) - JavaBeans metadata handling, property access, and object conversion with comprehensive `BeanDesc` system

import jcifs.smb1.Config;

/**
 * Tests for {@link NtlmMessage}. Since {@code NtlmMessage} is abstract we
 * create a lightweight concrete subclass only to exercise the inherited
 * behaviour. The tests cover flag manipulation, byte‑buffer operations and
 * static helpers. Edge cases such as null or short arrays and negative
 * values are verified to ensure proper exception handling and byte
 * conversion.
 */
@ExtendWith(MockitoExtension.class)

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.internal.util;

/**
 * Utility class providing string manipulation methods for the jCIFS library.
 * Contains helper methods for string operations, including backported JDK functionality
 * for compatibility with older Java versions.
 */
public final class StringUtil {

    /**

import jcifs.DfsReferralData;

/**
 * Internal interface for DFS referral data with extended functionality.
 * Extends the public DFS referral data interface with internal operations like
 * hostname resolution and referral data manipulation for internal DFS management.
 *
 * @author mbechler
 */
public interface DfsReferralDataInternal extends DfsReferralData {

    /**
     * Replaces the host with the given FQDN if it is currently unqualified

 *   <li>{@link org.apache.maven.cling.invoker.mvnup.goals.PomDiscovery} - Discovers POM files in multi-module projects</li>
 *   <li>{@link org.apache.maven.cling.invoker.mvnup.goals.DomUtils} - XML manipulation utilities</li>
 * </ul>
 *
 * <h2>Usage Examples</h2>
 *
 * <h3>Check for Available Upgrades</h3>
 * <pre>{@code
 * mvnup check
 * }</pre>
 *
 * <h3>Apply All Upgrades</h3>
 * <pre>{@code

# CLAUDE.md - AI Assistant Guide for CodeLibs CoreLib

Java 21 utility library. Maven build system, Apache License 2.0.

## Repository Structure

```
src/main/java/org/codelibs/core/
├── beans/       # Bean manipulation & introspection (converter/, factory/, impl/, util/)
├── collection/  # Enhanced collections (LruHashMap, CaseInsensitiveMap)
├── concurrent/  # Concurrency utilities
├── convert/     # Type conversion (*ConversionUtil)

import java.nio.charset.Charset;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.Configuration;
import jcifs.RuntimeCIFSException;

/**
 * Utility class for string manipulation and conversion operations in the jCIFS library.
 * Provides methods for encoding, decoding, and manipulating strings in SMB operations.
 *
 * @author mbechler
 */
public final class Strings {

import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DLSequence;

/**
 * Utility class for ASN.1 parsing and manipulation operations.
 *
 * This class provides helper methods for working with ASN.1
 * encoded data structures used in Kerberos PAC processing.
 */
public final class ASN1Util {

    private ASN1Util() {
    }

            assertEquals("modified.txt", modifiedImpl.getFileName());
        }
    }

    @Nested
    @DisplayName("Bit Manipulation Tests")
    class BitManipulationTests {

        @Test
        @DisplayName("Test combining multiple filter flags")
        void testCombiningFilterFlags() {

 * for document data. This class wraps an existing map and provides custom behavior
 * for the entrySet method to ensure language fields appear first in iteration order.
 * Used throughout the Fess search system for document data manipulation.
 *
 */
public class DocMap implements Map<String, Object> {

    /** The key used for language field identification */
    private static final String LANG_KEY = "lang";