*
   * <p><b>Java 8+ users:</b> use {@link Integer#parseUnsignedInt(String, int)} instead.
   *
   * @param string the string containing the unsigned integer representation to be parsed.
   * @param radix the radix to use while parsing {@code s}; must be between {@link
   *     Character#MIN_RADIX} and {@link Character#MAX_RADIX}.
   * @throws NumberFormatException if the string does not contain a valid unsigned {@code int}, or

            while (interfaces.hasMoreElements()) {
                NetworkInterface ni = interfaces.nextElement();

                if (!ni.isUp() || ni.isLoopback() || ni.isVirtual()) {
                    continue;
                }

                Enumeration<InetAddress> addresses = ni.getInetAddresses();
                while (addresses.hasMoreElements()) {

                executor.shutdown();
                executor.awaitTermination(5, TimeUnit.SECONDS);
            }
        }
    }

    /**
     * Test that search operations can be performed while searchers are being registered.
     * Verifies CopyOnWriteArrayList's snapshot iteration behavior.
     */
    @Test
    public void test_searchWhileRegisteringSearchers() throws Exception {

  //
  // Graph properties
  //

  /**
   * Returns true if the edges in this graph are directed. Directed edges connect a {@link
   * EndpointPair#source() source node} to a {@link EndpointPair#target() target node}, while
   * undirected edges connect a pair of nodes to each other.
   */
  boolean isDirected();

  /**
   * Returns true if this graph allows self-loops (edges that connect a node to itself). Attempting

   * <p><b>Java 21+ users:</b> use {@link Thread.Builder#name(String, long)} instead. Note that
   * {@link #setNameFormat} accepts a thread name <i>format string</i> (e.g., {@code
   * threadFactoryBuilder.setNameFormat("rpc-pool-%d")}), while {@code threadBuilder.name()} accepts
   * a thread name <i>prefix</i> and initial counter value (e.g., {@code
   * threadBuilder.name("rpc-pool-", 0)}.
   *

        out[i % olen] = (byte) (b & 0xff);
        return b >>>= 8;
    }

    private static int lcm(int u, int v) {
        int a = u, b = v, c;
        while (b != 0) {
            c = b;
            b = a % b;
            a = c;
        }
        return u * v / a;
    }

    /**
     * Calculates a MAC (Message Authentication Code) for PAC data validation.

Because this code is executed before the application **starts** taking requests, and right after it **finishes** handling requests, it covers the whole application **lifespan** (the word "lifespan" will be important in a second 😉).

        try {
            final byte[] buf = new byte[DEFAULT_BUF_SIZE];
            int len;
            int amount = 0;
            while ((len = in.read(buf)) != -1) {
                out.write(buf, 0, len);
                amount += len;
            }
            out.flush();
            return amount;
        } catch (final IOException e) {

  @Throws(IOException::class)
  operator fun next(): Selection {
    if (!hasNext()) throw NoSuchElementException()

    // Compute the next set of routes to attempt.
    val routes = mutableListOf<Route>()
    while (hasNextProxy()) {
      // Postponed routes are always tried last. For example, if we have 2 proxies and all the
      // routes for proxy1 should be postponed, we'll move to proxy2. Only after we've exhausted

        insertionOrder.add(cell);
        table.put(row, column, cell);
      } else {
        oldCell.merge(value, merger);
      }
    }

    /*
     * While the current implementation returns `this`, that's not something we mean to guarantee.
     * Anyway, the purpose of this method is to implement a BinaryOperator combiner for a Collector,