//               = (x_n - X_n) (y_n - Y_{n-1})
    xStats.add(x);
    if (isFinite(x) && isFinite(y)) {
      if (xStats.count() > 1) {
        sumOfProductsOfDeltas += (x - xStats.mean()) * (y - yStats.mean());
      }
    } else {
      sumOfProductsOfDeltas = NaN;
    }
    yStats.add(y);
  }

  /**
   * Adds the given statistics to the dataset, as if the individual values used to compute the

pkg net/netip, method (Addr) MarshalBinary() ([]uint8, error)
pkg net/netip, method (Addr) MarshalText() ([]uint8, error)
pkg net/netip, method (Addr) Next() Addr
pkg net/netip, method (Addr) Prefix(int) (Prefix, error)
pkg net/netip, method (Addr) Prev() Addr
pkg net/netip, method (Addr) String() string
pkg net/netip, method (Addr) StringExpanded() string
pkg net/netip, method (Addr) Unmap() Addr

        crawlerContext.sessionId = sdf.format(new Date());
    }

    /**
     * Adds a URL to the crawling queue.
     * @param url The URL to add.
     */
    public void addUrl(final String url) {
        try {
            urlQueueService.add(crawlerContext.sessionId, url);
            if (logger.isDebugEnabled()) {

        } else {
            searchLog.setVirtualHost(StringUtil.EMPTY);
        }

        addDocumentsInResponse(queryResponseList, searchLog);

        searchLogQueue.add(searchLog);
    }

    /**
     * Adds documents in the response to the search log.
     *
     * @param queryResponseList The list of query responses.
     * @param searchLog The search log.
     */

		ent.Value = value
		ent.ExpiresAt = now.Add(c.ttl)
		c.addToBucket(ent)
		return false
	}

	// Add new item
	ent := c.evictList.PushFrontExpirable(key, value, now.Add(c.ttl))
	c.items[key] = ent
	c.addToBucket(ent) // adds the entry to the appropriate bucket and sets entry.expireBucket

	evict := c.size > 0 && c.evictList.Length() > c.size

        loadBalancer = new ChannelLoadBalancer(mockChannelManager);

        InetAddress addr1 = InetAddress.getByName("192.168.1.100");
        InetAddress addr2 = InetAddress.getByName("192.168.1.101");
        NetworkInterfaceInfo local = new NetworkInterfaceInfo(addr1, 1000);
        NetworkInterfaceInfo remote1 = new NetworkInterfaceInfo(addr1, 1000);
        NetworkInterfaceInfo remote2 = new NetworkInterfaceInfo(addr2, 10000); // Faster interface

 * </ul>
 *
 * <p>Public Methods:
 * <ul>
 * <li>{@link #get(String)}: Retrieves an array of values associated with the specified key.</li>
 * <li>{@link #add(String, Object)}: Adds a key-value pair to the settings array.</li>
 * <li>{@link #delete(String)}: Deletes all entries associated with the specified key.</li>

        }
        clientMap.put(Pattern.compile(regex), client);
    }

    /**
     * Adds a client with a regular expression pattern at a specific position.
     * @param regex The regular expression to match URLs.
     * @param client The CrawlerClient instance.
     * @param pos The position to add the client.
     */
    public void addClient(final String regex, final CrawlerClient client, final int pos) {

     */
    public void shutdown() {
        shutdownListener.onShutdown();
    }

    /**
     * Adds a shutdown listener to be notified when the executor is shutting down.
     *
     * @param listener the shutdown listener to add
     */
    public void addShutdownListener(final ShutdownListener listener) {
        shutdownListener = listener;
    }

    /**

 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelProblemCollector {

    /**
     * Adds the specified problem.
     *
     * @param req must not be null
     */
    void add(ModelProblemCollectorRequest req);