* @since 11.0
 */
@Beta
@DoNotMock("Implement with a lambda")
public interface Funnel<T extends @Nullable Object> extends Serializable {

  /**
   * Sends a stream of data from the {@code from} object into the sink {@code into}. There is no
   * requirement that this data be complete enough to fully reconstitute the object later.
   *
   * @since 12.0 (in Guava 11.0, {@code PrimitiveSink} was named {@code Sink})
   */

    return map.keyIterator();
  }

  @Override
  public Spliterator<K> spliterator() {
    return map.keySpliterator();
  }

  @Override
  public boolean contains(@Nullable Object object) {
    return map.containsKey(object);
  }

  @Override
  K get(int index) {
    return map.entrySet().asList().get(index).getKey();
  }

  @Override
  public void forEach(Consumer<? super K> action) {

    }

    @Override
    protected Map<String, Object> createTestParam(int id) {
        final Map<String, Object> requestBody = new HashMap<>();
        final String keyProp = NAME_PREFIX + id;
        requestBody.put(KEY_PROPERTY, keyProp);
        return requestBody;
    }

    @Override
    protected Map<String, Object> getUpdateMap() {
        final Map<String, Object> updateMap = new HashMap<>();

// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
@SuppressWarnings("JUnit4ClassUsedInJUnit3")
@NullMarked
public abstract class AbstractMapTester<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractContainerTester<Map<K, V>, Entry<K, V>> {
  protected Map<K, V> getMap() {
    return container;
  }

  @Override
  protected Collection<Entry<K, V>> actualContents() {

    @Override
    public boolean containsKey(Object key) {
      return standardContainsKey(key);
    }

    @Override
    public boolean containsValue(Object value) {
      return standardContainsValue(value);
    }

    @Override
    public void putAll(Map<? extends K, ? extends V> map) {
      standardPutAll(map);
    }

    @Override
    public @Nullable V remove(Object object) {
      return standardRemove(object);

 * final CountDownLatch latch = new CountDownLatch(1);
 * Object x = new MyClass() {
 *   ...
 *   protected void finalize() { latch.countDown(); ... }
 * };
 * x = null;  // Hint to the JIT that x is stack-unreachable
 * GcFinalization.await(latch);
 * }
 *
 * <p>Here's an example that uses a user-defined finalization predicate:
 *
 * {@snippet :
 * final WeakHashMap<Object, Object> map = new WeakHashMap<>();

    public void setUrlId_GreaterThan(String urlId) {
        setUrlId_GreaterThan(urlId, null);
    }

    public void setUrlId_GreaterThan(String urlId, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = urlId;
        RangeQueryBuilder builder = regRangeQ("urlId", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

        setContent_GreaterThan(content, null);
    }

    public void setContent_GreaterThan(String content, ConditionOptionCall<RangeQueryBuilder> opLambda) {
        final Object _value = content;
        RangeQueryBuilder builder = regRangeQ("content", ConditionKey.CK_GREATER_THAN, _value);
        if (opLambda != null) {
            opLambda.callback(builder);
        }
    }

/**
 * Implementation of {@link Multimaps#filterEntries(Multimap, Predicate)}.
 *
 * @author Jared Levy
 * @author Louis Wasserman
 */
@GwtCompatible
class FilteredEntryMultimap<K extends @Nullable Object, V extends @Nullable Object>
    extends AbstractMultimap<K, V> implements FilteredMultimap<K, V> {
  final Multimap<K, V> unfiltered;
  final Predicate<? super Entry<K, V>> predicate;

        for (final Map.Entry<Object, Object> entry : System.getProperties().entrySet()) {
            itemList.add(createItem(entry.getKey(), entry.getValue()));
        }
        return itemList;
    }

    /**
     * Gets a list of Fess-specific configuration properties as key-value pairs.
     *
     * @param fessConfig the Fess configuration object
     * @return list of Fess property items
     */