*
   * <p><b>Warning:</b> This method assumes that for any instance {@code k} of {@code
   * EntryTransformer} key type {@code K}, {@code k.equals(k2)} implies that {@code k2} is also of
   * type {@code K}. Using an {@code EntryTransformer} key type for which this may not hold, such as
   * {@code ArrayList}, may risk a {@code ClassCastException} when calling methods on the
   * transformed multimap.
   *

            setContext(context, name + ((attributes & ATTR_DIRECTORY) > 0 ? "/" : ""));
        }

        /*
         * why? am I going around in circles?
         * this.type = type == TYPE_WORKGROUP ? 0 : type;
         */
        this.fileLocator.updateType(type);
        this.attributes = attributes;
        this.createTime = createTime;
        this.lastModified = lastModified;
        this.lastAccess = lastAccess;

                securityProvider.unwrap(buf);
            }

            buf.setIndex(0);

            msg.decode_header(buf);

            off = 24;
            if (msg.ptype == 2 && !msg.isFlagSet(DCERPC_LAST_FRAG)) {
                off = msg.length;
            }

            frag = null;
            fbuf = null;
            while (!msg.isFlagSet(DCERPC_LAST_FRAG)) {

   */
  public static final byte DEL = 127;

  /**
   * The minimum value of an ASCII character.
   *
   * @since 9.0 (was type {@code int} before 12.0)
   */
  public static final char MIN = 0;

  /**
   * The maximum value of an ASCII character.
   *
   * @since 9.0 (was type {@code int} before 12.0)
   */
  public static final char MAX = 127;

  }

  /**
   * Returns the empty bimap.
   *
   * <p><b>Performance note:</b> the instance returned is a singleton.
   */
  // Casting to any type is safe because the set will never hold any elements.
  @SuppressWarnings("unchecked")
  public static <K, V> ImmutableBiMap<K, V> of() {
    return (ImmutableBiMap<K, V>) RegularImmutableBiMap.EMPTY;
  }

     * Stores a failure URL with error information for later analysis.
     *
     * @param crawlerContext the crawler context
     * @param urlQueue the URL queue containing the failed URL
     * @param errorName the name/type of the error
     * @param e the throwable that caused the failure
     * @return the stored FailureUrl entity
     */

        return selectWeightedRandom(channels);
    }

    private ChannelInfo selectAdaptive(CommonServerMessageBlock message, Collection<ChannelInfo> channels) {
        // Adaptive strategy based on message type and size

        if (isLargeTransfer(message)) {
            // For large transfers, prefer high-bandwidth channels
            ChannelInfo maxBandwidthChannel = null;
            int maxBandwidth = 0;

```

</div>

Open your browser at [http://127.0.0.1:8000](http://127.0.0.1:8000).

You will see a simple page like:

<img src="/img/tutorial/websockets/image01.png">

You can type messages in the input box, and send them:

<img src="/img/tutorial/websockets/image02.png">

And your **FastAPI** application with WebSockets will respond back:

<img src="/img/tutorial/websockets/image03.png">

* `allow_credentials` - Indica que os cookies devem ser suportados para requisições de origem cruzada. O padrão é `False`....

// updateInterval is the minimum time between deadline updates.
const updateInterval = 250 * time.Millisecond

// DeadlineConn - is a generic stream-oriented network connection supporting buffered reader and read/write timeout.
type DeadlineConn struct {
	net.Conn
	readDeadline            time.Duration // sets the read deadline on a connection.
	readSetAt               time.Time