******@****.***ions = extensions
          if (!extensions.isValid()) {
            synchronized(this@RealWebSocket) {
              messageAndCloseQueue.clear() // Don't transmit any messages.
              close(1010, "unexpected Sec-WebSocket-Extensions in response header")
            }
          }

          // Process all web socket messages.

   *   <li>If {@code C} doesn't explicitly implement {@code equals} but instead inherits it from a
   *       superclass, no equality check is done on the deserialized instance because it's not clear
   *       whether the author intended for the class to be a value type.
   *   <li>If a constructor or factory method takes a parameter whose type is interface, a dynamic

   */
  @CanIgnoreReturnValue
  Collection<V> removeAll(@CompatibleWith("K") @Nullable Object key);

  /** Removes all key-value pairs from the multimap, leaving it {@linkplain #isEmpty empty}. */
  void clear();

  // Views

  /**
   * Returns a view collection of the values associated with {@code key} in this multimap, if any.

### Understand the question { #understand-the-question }

* Check if you can understand what is the **purpose** and use case of the person asking.

* Then check if the question (the vast majority are questions) is **clear**.

      .openConnection()
      .getInputStream() // Should succeed.
  }

  @Test
  fun clearDispatcherQueue() {
    server.enqueue(MockResponse(body = "A"))
    (server.dispatcher as QueueDispatcher).clear()
    server.enqueue(MockResponse(body = "B"))
    val inputStream =
      server
        .url("/a")
        .toUrl()
        .openConnection()
        .getInputStream()

        // We only ever register ArrayReferences with the queue so this is always safe.
        ArrayReference<? extends L> arrayRef = (ArrayReference<? extends L>) ref;
        // Try to clear out the array slot, n.b. if we fail that is fine, in either case the
        // arrayRef will be out of the array after this step.
        locks.compareAndSet(arrayRef.index, arrayRef, null);
      }
    }

     * do in the other Uninterruptibles methods, it would throw immediately. Then we'd restore the
     * interrupt and return again, and the user would call us again, creating a busy wait.
     *
     * Thus, we need to clear the interrupt eagerly in case it's an interrupt from a previous call
     * to awaitUninterruptibly in the user code's Condition loop.
     */
    boolean wasAlreadyInterrupted = Thread.interrupted();

     */
    public final void addFlags(final int flag) {
        this.flags |= flag;
    }

    /**
     * Clears the specified flags from this message.
     *
     * @param flag the flags to clear
     */
    public final void clearFlags(final int flag) {
        this.flags &= ~flag;
    }

    /**
     * @return the mid
     */
    @Override
    public final long getMid() {

labels.index_form_search_btn=Search
labels.index_osdd_title=Search
labels.index_form_option_btn=Options
labels.index_help=Help
labels.search_options=Search Options
labels.search_options_close=Close
labels.search_options_clear=Clear
labels.search_cache_msg=This is a cache of {0}. It is a snapshot of the page as it appeared on {1}.
labels.search_unknown=Unknown
labels.footer_back_to_top=Back to Top
labels.header_brand_name=Fess

            int len;
            int amount = 0;
            while ((len = ChannelUtil.read(channel, buffer, amount)) != -1) {
                out.write(buf, 0, len);
                buffer.clear();
                amount += len;
            }
            out.flush();
            return amount;
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }