if (retrieved != null && retrieved.length == 1 && "http://thread1.com/sitemap.xml".equals(retrieved[0])) {
                        successCount.incrementAndGet();
                    }
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                } finally {
                    endLatch.countDown();

            .build(
                new CacheLoader<Integer, Integer>() {
                  @Override
                  public Integer load(Integer from) {
                    return (int) misses.incrementAndGet();
                  }
                });

    // To start, fill up the cache.
    // Each miss both increments the counter and causes the map to grow by one,

        }

        // Only cache if we haven't reached the limit - O(1) check
        if (queueSize.get() < MAX_BUFFERS) {
            if (bufferQueue.offer(buf)) { // O(1) operation
                queueSize.incrementAndGet();
            }
        }
        // If queue is full, let the buffer be garbage collected
    }

    /**
     * Get current cache statistics for monitoring
     * @return formatted statistics string

    Multiset<String> multiset =
        new NoRemoveMultiset<String>() {
          @Override
          public int add(String element, int occurrences) {
            addCalls.incrementAndGet();
            return super.add(element, occurrences);
          }
        };
    ImmutableMultiset<String> adds =
        new ImmutableMultiset.Builder<String>().addCopies("x", 10).build();
    multiset.addAll(adds);

          TrustedListenableFutureTask.create(
              new Callable<Integer>() {
                @Override
                public Integer call() {
                  return counter.incrementAndGet();
                }
              });
      CyclicBarrier barrier = new CyclicBarrier(numThreads + 1);
      Runnable wrapper =
          new Runnable() {
            @Override

                            // Read name
                            String name = testTransformer.getName();
                            if (!"concurrentName".equals(name)) {
                                errorCount.incrementAndGet();
                            }

                            // Occasionally change name (10% of threads)
                            if (threadId % 10 == 0 && j % 10 == 0) {

                    conn.connect();
                    successCount.incrementAndGet();
                } catch (Exception e) {
                    synchronized (exceptions) {
                        exceptions.add(e);
                    }
                    failureCount.incrementAndGet();
                } finally {
                    doneLatch.countDown();
                }

    }

    /**
     * Gets the next sequence number for this registration.
     *
     * @return the next sequence number
     */
    public long getNextSequenceNumber() {
        return sequenceNumber.incrementAndGet();
    }

    /**
     * Updates the heartbeat timestamp to current time and resets failure count.
     */
    public void updateHeartbeat() {
        this.lastHeartbeat = System.currentTimeMillis();

                                    matchCount.incrementAndGet();
                                }
                            } else {
                                responseData.setUrl("https://other.com/page" + j);
                                if (!rule.match(responseData)) {
                                    noMatchCount.incrementAndGet();
                                }
                            }

     * @return the registration ID
     */
    public String registerWitness(String shareName, String serverAddress, int flags) {
        String registrationId = "MOCK-REG-" + registrationCounter.incrementAndGet();
        MockRegistration registration = new MockRegistration(registrationId, shareName, serverAddress, flags);
        registrations.put(registrationId, registration);