* @since 2.0
 */
@GwtCompatible
public abstract class ImmutableMultimap<K, V> extends BaseImmutableMultimap<K, V>
    implements Serializable {

  /**
   * Returns an empty multimap.
   *
   * <p><b>Performance note:</b> the instance returned is a singleton.
   */
  public static <K, V> ImmutableMultimap<K, V> of() {
    return ImmutableListMultimap.of();
  }

  /** Returns an immutable multimap containing a single entry. */

通過 **FastAPI** 你可以獲得所有 **Starlette** 的特性（FastAPI 就像加強版的 Starlette）：

* 性能極其出色。它是 <a href="https://github.com/encode/starlette#performance" class="external-link" target="_blank">Python 可用的最快框架之一，和 **NodeJS** 及 **Go** 相當</a>。
* **支援 WebSocket**。
* 能在行程內處理背景任務。
* 支援啟動和關閉事件。
* 有基於 HTTPX 的測試用戶端。
* 支援 **CORS**、GZip、靜態檔案、串流回應。
* 支援 **Session 和 Cookie** 。

 *   <li>It imposes requirements on the lifecycle of its subscribers. For example, if an event
 *       occurs between when one subscriber is removed and the next subscriber is added, the event
 *       is dropped.
 *   <li>Its performance is suboptimal, especially under Android.
 *   <li>It <a href="https://github.com/google/guava/issues/1431">doesn't support parameterized
 *       types</a>.

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.Configuration;

/**
 * SMB3 Multi-Channel Manager.
 *
 * Manages multiple network connections for improved performance and redundancy
 * as specified in the SMB 3.x multi-channel feature.
 */
public class MultiChannelManager {

    private static final Logger log = LoggerFactory.getLogger(MultiChannelManager.class);

* Gerçekten etkileyici bir performansa sahip.Python'un ise en hızlı frameworklerinden bir tanesi, <a href="https://github.com/encode/starlette#performance" class="external-link" target="_blank">**NodeJS** ve **Go** ile ise eşdeğer performansa sahip.</a>.
* **WebSocket** desteği.
* **GraphQL** desteği.
* Kullanım halinde arka plan işlevleri.

Dzięki **FastAPI** otrzymujesz wszystkie funkcje **Starlette** (ponieważ FastAPI to po prostu Starlette na sterydach):

* Bardzo imponująca wydajność. Jest to <a href="https://github.com/encode/starlette#performance" class="external-link" target="_blank">jeden z najszybszych dostępnych frameworków Pythona, na równi z **NodeJS** i **Go**</a>.
* Wsparcie dla **WebSocket**.

Mit **FastAPI** bekommen Sie alles von **Starlette** (da FastAPI nur Starlette auf Steroiden ist):

* Schwer beeindruckende Performanz. Es ist <a href="https://github.com/encode/starlette#performance" class="external-link" target="_blank">eines der schnellsten Python-Frameworks, auf Augenhöhe mit **NodeJS** und **Go**</a>.
* **WebSocket**-Unterstützung.
* Hintergrundaufgaben im selben Prozess.

 * the columns. The reverse is also available, associating a column with a row key / value map. Note
 * that, in some implementations, data access by column key may have fewer supported operations or
 * worse performance than data access by row key.
 *
 * <p>The methods returning collections or maps always return views of the underlying table.
 * Updating the table can change the contents of those collections, and updating the collections

          Function<? super T, ? extends V> valueFunction) {
    return CollectCollectors.toImmutableRangeMap(keyFunction, valueFunction);
  }

  /**
   * Returns an empty immutable range map.
   *
   * <p><b>Performance note:</b> the instance returned is a singleton.
   */
  @SuppressWarnings("unchecked")
  public static <K extends Comparable<?>, V> ImmutableRangeMap<K, V> of() {
    return (ImmutableRangeMap<K, V>) EMPTY;
  }

 * as an {@link Iterable} or {@link Iterator}, prefer {@link Ordering#leastOf(Iterable, int)}.
 *
 * <p>This uses the same efficient implementation as {@link Ordering#leastOf(Iterable, int)},
 * offering expected O(n + k log k) performance (worst case O(n log k)) for n calls to {@link
 * #offer} and a call to {@link #topK}, with O(k) memory. In comparison, quickselect has the same