}
    if (builder.getKeyStrength() == Strength.WEAK
        && builder.getValueStrength() == Strength.STRONG) {
      return new MapMakerInternalMap<>(builder, WeakKeyDummyValueEntry.Helper.<K>instance());
    }
    if (builder.getValueStrength() == Strength.WEAK) {
      throw new IllegalArgumentException("Map cannot have both weak and dummy values");
    }
    throw new AssertionError();
  }

        }
      };

  private CacheBuilderFactory factoryWithAllKeyStrengths() {
    return new CacheBuilderFactory()
        .withKeyStrengths(ImmutableSet.of(STRONG, Strength.WEAK))
        .withValueStrengths(ImmutableSet.of(STRONG, Strength.WEAK, Strength.SOFT));
  }

  private Iterable<LoadingCache<Key, String>> caches() {
    CacheBuilderFactory factory = factoryWithAllKeyStrengths();
    return Iterables.transform(

            }
        }

        // Clean up expired weak references
        cleanupExpiredReferences();

        // Release all leases
        releaseAll();

        // Clear file cache
        fileCache.clear();
    }

    /**
     * Clean up expired weak references from the file cache
     */
    private void cleanupExpiredReferences() {
        try {

 * #lock(int) strong} and {@linkplain #lazyWeakLock(int) weak} {@code Striped<Lock>}, {@linkplain
 * #semaphore(int, int) strong} and {@linkplain #lazyWeakSemaphore(int, int) weak} {@code
 * Striped<Semaphore>}, and {@linkplain #readWriteLock(int) strong} and {@linkplain
 * #lazyWeakReadWriteLock(int) weak} {@code Striped<ReadWriteLock>}. <i>Strong</i> means that all

    assertSame(EntryFactory.WEAK, EntryFactory.getFactory(Strength.WEAK, false, false));
    assertSame(EntryFactory.WEAK_ACCESS, EntryFactory.getFactory(Strength.WEAK, true, false));
    assertSame(EntryFactory.WEAK_WRITE, EntryFactory.getFactory(Strength.WEAK, false, true));
    assertSame(EntryFactory.WEAK_ACCESS_WRITE, EntryFactory.getFactory(Strength.WEAK, true, true));
  }

  // computation tests

      extends SimpleEntry<K, V> {
    @Nullable Node<K, V> next; // the next node (with any key)
    @Weak @Nullable Node<K, V> previous; // the previous node (with any key)
    @Nullable Node<K, V> nextSibling; // the next node with the same key
    @Weak @Nullable Node<K, V> previousSibling; // the previous node with the same key

    Node(@ParametricNullness K key, @ParametricNullness V value) {

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.DoNotCall;
import com.google.errorprone.annotations.DoNotMock;
import com.google.j2objc.annotations.Weak;
import com.google.j2objc.annotations.WeakOuter;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import java.util.Collection;
import java.util.Comparator;

        // We can't verify the exact bytes without a real implementation of writeUTime,
        // but we can check that it's not zero.
        long writtenTime = SMBUtil.readInt4(dst, 2) & 0xFFFFFFFFL;
        // This is a weak check, but better than nothing.
        // A more robust test would require a real SMB1SigningDigest.
        assertTrue(writtenTime != 0 || lastWriteTime == 0);
    }

    /**

        }

        validClasses.add(new WeakReference<Class<? extends Exception>>(exceptionClass));
      }
    }

    /**
     * Returns the ClassValue-using validator, or falls back to the "weak Set" implementation if
     * unable to do so.
     */
    static GetCheckedTypeValidator getBestValidator() {
      try {
        @SuppressWarnings("rawtypes") // class literals

import org.slf4j.LoggerFactory;

/**
 * Centralized resource management for preventing resource leaks.
 * Tracks all AutoCloseable resources and ensures proper cleanup.
 *
 * Features:
 * - Automatic resource cleanup with weak references
 * - Resource leak detection
 * - Resource usage monitoring
 * - Periodic cleanup of abandoned resources
 * - Detailed resource tracking and reporting
 */
public class ResourceManager {