### Other utility functions { #other-utility-functions }

    } catch (IllegalArgumentException e) {
      return false;
    }
  }

  @Override
  public boolean equals(@Nullable Object other) {
    if (this == other) {
      return true;
    }

    if (other instanceof HostSpecifier) {
      HostSpecifier that = (HostSpecifier) other;
      return this.canonicalForm.equals(that.canonicalForm);
    }

    return false;
  }

  @Override

    nextTask.start()
    return nextTask
  }

  private interface SerialTask {
    /** Returns true if this task is ready to start. */
    fun isReady() = true

    /** Do this task's work, and then start another, such as by calling [startNextTask]. */
    fun start()
  }

  private object TestThreadSerialTask : SerialTask {
    override fun start() = error("unexpected call")
  }

  inner class RunnableSerialTask(

   * </ul>
   *
   * <p><b>Warning:</b> For any given key, every {@code loader} used with it should compute the same
   * value. Otherwise, a call that passes one {@code loader} may return the result of another call
   * with a differently behaving {@code loader}. For example, a call that requests a short timeout
   * for an RPC may wait for a similar call that requests a long timeout, or a call by an

     * <code>possibleNTDomainOrWorkgroup</code> parameter is <code>true</code> an
     * additional name query will be performed to locate a master browser.
     *
     * @param hostname the hostname to resolve
     * @param possibleNTDomainOrWorkgroup if true, perform additional master browser lookup
     *
     * @return the first resolved address
     * @throws UnknownHostException if the hostname cannot be resolved
     */

        getList().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_otherListContainingNull() {
    List<E> other = new ArrayList<>(getSampleElements());
    other.set(other.size() / 2, null);
    assertFalse(
        "Two Lists should not be equal if exactly one of them has null at a given index.",
        getList().equals(other));
  }

{* ../../docs_src/websockets/tutorial003_py39.py hl[79:81] *}

To try it out:

* Open the app with several browser tabs.
* Write messages from them.
* Then close one of the tabs.

That will raise the `WebSocketDisconnect` exception, and all the other clients will receive a message like:

```
Client #1596980209979 left the chat
```

/// tip

 *  Upgrade: [publicsuffix.org data][public_suffix]. This powers `HttpUrl.topPrivateDomain()`.
    It's also how OkHttp knows which domains can share cookies with one another.
 *  Upgrade: [Okio 3.2.0][okio_3_2_0].


## Version 4.10.0

_2022-06-12_

 *  Upgrade: [Kotlin 1.6.20][kotlin_1_6_20].
 *  Upgrade: [Okio 3.0.0][okio_3_0_0].

package jcifs.smb;

/**
 * Windows error codes used in SMB protocol operations.
 * These constants represent standard Windows error codes returned by SMB servers.
 */
public interface WinError {

    /*
     * Don't bother to edit this. Everything within the interface
     * block is automatically generated from the ntstatus package.
     */

    /** The operation completed successfully */
    int ERROR_SUCCESS = 0;

package jcifs.smb1.smb1;

/**
 * Windows error codes used in SMB protocol operations.
 * These constants represent standard Windows error codes returned by SMB servers.
 */
public interface WinError {

    /* Don't bother to edit this. Everthing within the interface
     * block is automatically generated from the ntstatus package.
     */

    /** The operation completed successfully */
    int ERROR_SUCCESS = 0;