*
 * @author Charles Fry
 * @since 11.0
 */
@GwtCompatible
public interface Weigher<K, V> {

  /**
   * Returns the weight of a cache entry. There is no unit for entry weights; rather they are simply
   * relative to each other.
   *
   * @return the weight of the entry; must be non-negative
   */
  int weigh(K key, V value);

                ImmutableRangeMap.builder();
            for (Entry<Range<Integer>, Integer> entry : rangeMap.asMapOfRanges().entrySet()) {
              if (entry.getKey().isConnected(subRange)
                  && !entry.getKey().intersection(subRange).isEmpty()) {
                expectedBuilder.put(entry.getKey().intersection(subRange), entry.getValue());
              }
            }

    public Builder<K, V> put(K key, V value) {
      super.put(key, value);
      return this;
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> put(Entry<? extends K, ? extends V> entry) {
      super.put(entry);
      return this;
    }

    @CanIgnoreReturnValue
    @Override
    public Builder<K, V> putAll(Map<? extends K, ? extends V> map) {
      super.putAll(map);

import java.util.Map.Entry;
import java.util.Objects;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit tests for {@link Multimaps} filtering methods.
 *
 * @author Jared Levy
 */
@GwtIncompatible // nottested
@NullUnmarked
public class FilteredMultimapTest extends TestCase {

  private static final Predicate<Entry<String, Integer>> ENTRY_PREDICATE =

    ParameterizedType jvmType =
        (ParameterizedType) new TypeCapture<Entry<String, int[][]>>() {}.capture();
    ParameterizedType ourType =
        Types.newParameterizedTypeWithOwner(Map.class, Entry.class, String.class, int[][].class);

    new EqualsTester()
        .addEqualityGroup(jvmType, ourType)
        .addEqualityGroup(new TypeCapture<Entry<String, String>>() {}.capture())

      }
    assertFailsWith<IOException> {
      body.bytes()
    }.also { expected ->
      assertThat(expected.message).isEqualTo(
        "Cannot buffer entire body for content length: 2147483648",
      )
    }
  }

  @Test
  fun byteStringEmpty() {
    val body = body("")
    assertThat(body.byteString()).isEqualTo(ByteString.EMPTY)
  }

  @Test

  void register(Object listener) {
    Multimap<Class<?>, Subscriber> listenerMethods = findAllSubscribers(listener);

    for (Entry<Class<?>, Collection<Subscriber>> entry : listenerMethods.asMap().entrySet()) {
      Class<?> eventType = entry.getKey();
      Collection<Subscriber> eventMethodsInListener = entry.getValue();

      CopyOnWriteArraySet<Subscriber> eventSubscribers = subscribers.get(eventType);

      implements Comparator<Entry<K, V>> {
    final @Nullable Comparator<? super K> keyComparator;

    EntryComparator(@Nullable Comparator<? super K> keyComparator) {
      this.keyComparator = keyComparator;
    }

    @Override
    @SuppressWarnings("unchecked") // no less safe than putting it in the map!
    public int compare(Entry<K, V> a, Entry<K, V> b) {
      return (keyComparator == null)

                  @Override
                  protected Map<String, String> create(Entry<String, String>[] entries) {
                    Map<String, String> map = CompactLinkedHashMap.create();
                    for (Entry<String, String> entry : entries) {
                      map.put(entry.getKey(), entry.getValue());
                    }
                    return map;
                  }
                })

        new ImmutableMap.Builder<>(rows.size());
    for (Entry<R, Map<C, V>> row : rows.entrySet()) {
      rowBuilder.put(row.getKey(), ImmutableMap.copyOf(row.getValue()));
    }
    this.rowMap = rowBuilder.buildOrThrow();

    ImmutableMap.Builder<C, ImmutableMap<R, V>> columnBuilder =
        new ImmutableMap.Builder<>(columns.size());
    for (Entry<C, Map<R, V>> col : columns.entrySet()) {