- **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

    private static final AtomicLong addressCounter = new AtomicLong(0x10000000L);
    private static final Map<ByteBuffer, Long> bufferAddresses = new ConcurrentHashMap<>();

    // DiSNI objects - would be actual DiSNI types in real implementation
    private final Object endpoint; // RdmaActiveEndpoint
    private Object memoryRegister; // IbvMr (memory register)

    /**
     * Create new DiSNI memory region
     *

    }
  }

  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,

    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()));

    }
  }

  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,

import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Pattern;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * Generates fresh instances of types that are different from each other (if possible).
 *
 * @author Ben Yu
 */
@GwtIncompatible
@J2ktIncompatible
@NullUnmarked
@SuppressWarnings("nullness")
class FreshValueGenerator {

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 {

            break;
        case WitnessNotificationMessage.WITNESS_IP_CHANGE:
            decodeIpChangeMessage(buf, message);
            break;
        default:
            // Skip unknown message types
            buf.advance(messageLength - 8); // Skip remaining data (minus type and length)
            break;
        }

        return message;
    }

    /**

       * IllegalArgumentException:
       * https://bugs.openjdk.org/browse/JDK-4506427
       */
    }
  }

  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  public void testSubList_empty() {
    assertEquals("subList(0, 0) should be empty", emptyList(), getList().subList(0, 0));
  }

  public void testSubList_entireList() {
    assertEquals(

       * IllegalArgumentException:
       * https://bugs.openjdk.org/browse/JDK-4506427
       */
    }
  }

  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types
  public void testSubList_empty() {
    assertEquals("subList(0, 0) should be empty", emptyList(), getList().subList(0, 0));
  }

  public void testSubList_entireList() {
    assertEquals(