for (PerListenerQueue<L> queue : listeners) {
        queue.add(event, label);
      }
    }
  }

  /**
   * Dispatches all events enqueued prior to this call, serially and in order, for every listener.
   *
   * <p>Note: this method is idempotent and safe to call from any thread
   */
  public void dispatch() {
    // iterate by index to avoid concurrent modification exceptions

        disposables.addLast(disposable);
    }

    /**
     * Registers a disposable resource at the beginning.
     * <p>
     * Resources are disposed of in the reverse order of their registration, so resources registered at the beginning will be disposed of last.
     * </p>
     *
     * @param disposable
     *            A disposable resource. Must not be {@literal null}.
     */

  }

  static void clearInterrupt() {
    Thread.interrupted();
  }

  /**
   * Retrieves the result of a {@code Future} known to be done but uses the {@code get(long,
   * TimeUnit)} overload in order to test that method.
   */
  static <V extends @Nullable Object> V getDoneFromTimeoutOverload(Future<V> future)
      throws ExecutionException {
    checkState(future.isDone(), "Future was expected to be done: %s", future);

    public String regularName;

    /** The duplicate hostname that should be redirected to the regular name */
    @Required
    @Size(max = 1000)
    public String duplicateHostName;

    /** The sort order for displaying this duplicate host entry */
    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

     */
    @Size(max = 1000)
    public String replacement;

    /**
     * The processing type for path mapping.
     */
    @Required
    public String processType;

    /**
     * The sort order for this path mapping (0-2147483647).
     */
    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /**

        ingesters = newIngesters;
    }

    /**
     * Returns the array of registered ingesters sorted by priority.
     * The returned array contains all ingesters in priority order
     * (lower priority numbers first).
     *
     * @return the sorted array of ingesters
     */
    public Ingester[] getIngesters() {
        return ingesters;
    }

  @Override
  public final String[] createValueArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override
  public Iterable<Entry<String, String>> order(List<Entry<String, String>> insertionOrder) {
    return insertionOrder;
  }

    this.nextOrNull = firstOrNull;
  }

  /**
   * Returns the element that follows {@code previous}, or returns {@code null} if no elements
   * remain. This method is invoked during each call to {@link #next()} in order to compute the
   * result of a <i>future</i> call to {@code next()}.
   */
  protected abstract @Nullable T computeNext(T previous);

  @Override
  public final boolean hasNext() {
    return nextOrNull != null;

		tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
		tls.TLS_RSA_WITH_AES_128_CBC_SHA,
		tls.TLS_RSA_WITH_AES_256_CBC_SHA,
	}
}

// TLSCurveIDs returns a list of supported elliptic curve IDs
// in preference order.
func TLSCurveIDs() []tls.CurveID {
	return []tls.CurveID{tls.X25519MLKEM768, tls.CurveP256, tls.X25519, tls.CurveP384, tls.CurveP521}

Everyone before you is waiting for their burgers to be ready before leaving the counter because each of the 8 cashiers goes and prepares the burger right away before getting the next order.

<img src="/img/async/parallel-burgers/parallel-burgers-01.png" class="illustration">

Then it's finally your turn, you place your order of 2 very fancy burgers for your crush and you.