@DisplayName("Interface Tests")
    class InterfaceTests {

        @Test
        @DisplayName("Should implement getContextType correctly")
        void testGetContextType() {
            // Test with different context types
            TestNegotiateContextRequest request1 = new TestNegotiateContextRequest(0x1);
            TestNegotiateContextRequest request2 = new TestNegotiateContextRequest(0x2);

   *
   * @since 11.0
   */
  /*
   * <? extends Object> is mostly the same as <?> to plain Java. But to nullness checkers, they
   * differ: <? extends Object> means "non-null types," while <?> means "all types."
   */
  @Override
  public ImmutableMap<K, V> getAllPresent(Iterable<? extends Object> keys) {
    Map<K, V> result = new LinkedHashMap<>();
    for (Object key : keys) {

- **Type Conversion** (`org.codelibs.core.convert`) - Comprehensive utilities for converting between Java types with null-safe operations and support for all primitive types
- **Collections** (`org.codelibs.core.collection`) - Enhanced collection utilities, array operations, and specialized map/set implementations including LRU caches and case-insensitive collections

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.jspecify.annotations.NullMarked;

/**
 * Generators of different types of map and related collections, such as keys, entries and values.
 *
 * @author Hayward Chan
 */
@GwtCompatible
@NullMarked
public class MapGenerators {

  protected AbstractListMultimap(Map<K, Collection<V>> map) {
    super(map);
  }

  @Override
  abstract List<V> createCollection();

  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  @Override
  List<V> createUnmodifiableEmptyCollection() {
    return emptyList();
  }

  @Override
  <E extends @Nullable Object> Collection<E> unmodifiableCollectionSubclass(
      Collection<E> collection) {

    }
  }

  private enum PlatformSpecificExceptionBatch {
    PLATFORM {
      @GwtIncompatible
      @J2ktIncompatible
      @Override
      // returns the types available in "normal" environments
      ImmutableMap<Class<? extends Throwable>, Predicate<Throwable>> exceptions() {
        return ImmutableMap.of(
            InvocationTargetException.class,

/**
 * ContentCache is a class that provides a way to cache content either in memory or in a file.
 * It implements the Closeable interface to ensure that resources are properly released.
 *
 * <p>This class supports two types of content caching:
 * <ul>
 *   <li>In-memory caching using a byte array</li>
 *   <li>File-based caching using a File object</li>
 * </ul>
 *

 * It provides functionality to manage passwords for different file patterns using regular expressions.
 *
 * <p>The extractor supports two types of password management:
 * <ul>
 *   <li>Static passwords configured via {@link #addPassword(String, String)}</li>
 *   <li>Dynamic passwords provided through extraction parameters</li>
 * </ul>
 *

package jcifs.smb1.util;

import java.io.IOException;
import java.io.InputStream;

/**
 * MIME type mapping utility for file extensions.
 * Provides mappings between file extensions and their corresponding MIME types
 * by reading from a resource file containing extension-to-MIME-type mappings.
 */
public class MimeMap {

    private static final int IN_SIZE = 7000;

    private static final int ST_START = 1;

    multimap().replaceValues(k3(), values);
    assertGet(k3(), values);
    assertEquals(size + values.size(), multimap().size());
  }

  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
  public void testReplaceValuesWithEmpty() {
    int size = multimap().size();
    List<V> oldValues = new ArrayList<>(multimap().get(k0()));