assertTrue(ArbitraryInstances.get(Predicate.class).apply("abc"));
    assertTrue(ArbitraryInstances.get(Equivalence.class).equivalent(1, 1));
    assertFalse(ArbitraryInstances.get(Equivalence.class).equivalent(1, 2));
  }

  @SuppressWarnings("SelfComparison")
  public void testGet_comparable() {
    @SuppressWarnings("unchecked") // The null value can compare with any Object

    assertTrue(ArbitraryInstances.get(Predicate.class).apply("abc"));
    assertTrue(ArbitraryInstances.get(Equivalence.class).equivalent(1, 1));
    assertFalse(ArbitraryInstances.get(Equivalence.class).equivalent(1, 2));
  }

  @SuppressWarnings("SelfComparison")
  public void testGet_comparable() {
    @SuppressWarnings("unchecked") // The null value can compare with any Object

  @VisibleForTesting transient int expectedValuesPerKey;

  /**
   * Creates a new, empty {@code ArrayListMultimap} with the default initial capacities.
   *
   * <p>You may also consider the equivalent {@code
   * MultimapBuilder.hashKeys().arrayListValues().build()}, which provides more control over the
   * underlying data structure.
   */
  public static <K extends @Nullable Object, V extends @Nullable Object>

 * {@link #callAndAssertBlocks} method is ever called in a test, the lock-like object must have a
 * method equivalent to {@link java.util.concurrent.locks.ReentrantLock#hasQueuedThread(Thread)}. If
 * the {@link #callAndAssertWaits} method is ever called in a test, the lock-like object must have a
 * method equivalent to {@link
 * java.util.concurrent.locks.ReentrantLock#hasWaiters(java.util.concurrent.locks.Condition)},

 * {@link #callAndAssertBlocks} method is ever called in a test, the lock-like object must have a
 * method equivalent to {@link java.util.concurrent.locks.ReentrantLock#hasQueuedThread(Thread)}. If
 * the {@link #callAndAssertWaits} method is ever called in a test, the lock-like object must have a
 * method equivalent to {@link
 * java.util.concurrent.locks.ReentrantLock#hasWaiters(java.util.concurrent.locks.Condition)},

   * such index exists. Equivalent to {@code asList().lastIndexOf(target)}.
   */
  public int lastIndexOf(int target) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {
        return i - start;
      }
    }
    return -1;
  }

  /**
   * Returns {@code true} if {@code target} is present at any index in this array. Equivalent to
   * {@code asList().contains(target)}.

   * such index exists. Equivalent to {@code asList().lastIndexOf(target)}.
   */
  public int lastIndexOf(long target) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {
        return i - start;
      }
    }
    return -1;
  }

  /**
   * Returns {@code true} if {@code target} is present at any index in this array. Equivalent to
   * {@code asList().contains(target)}.

import static org.mockito.ArgumentMatchers.isA;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import com.google.common.base.Equivalence;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.google.MultisetTestSuiteBuilder;

  /**
   * Returns a new builder. The generated builder is equivalent to the builder created by the {@link
   * Builder} constructor.
   */
  public static <K, V> Builder<K, V> builder() {
    return new Builder<>();
  }

  /**
   * Returns a new builder with a hint for how many distinct keys are expected to be added. The
   * generated builder is equivalent to that returned by {@link #builder}, but may perform better if

/**
 * Helper class for managing duplicate host configurations in the Fess search system.
 * This class handles URL conversion based on duplicate host rules, allowing multiple
 * hostnames or URLs to be treated as equivalent for crawling and indexing purposes.
 * It maintains a list of DuplicateHost rules and applies them to URLs.
 *
 */
public class DuplicateHostHelper {