*       versa.
   *   <li>Inequality check is not performed against state mutation methods such as {@link
   *       List#add}, or functional update methods such as {@link
   *       com.google.common.base.Joiner#skipNulls}.
   *   <li>If the constructor or factory method used to construct instance takes a parameter that

  static final int CONTAINS_VALUE_RETRIES = 3;

  /**
   * Number of cache access operations that can be buffered per segment before the cache's recency
   * ordering information is updated. This is used to avoid lock contention by recording a memento
   * of reads and delaying a lock acquisition until the threshold is crossed or a mutation occurs.
   *
   * <p>This must be a (2^n)-1 as it is used as a mask.

    // transmitted until the flow-control window is updated from the first request.
    val call2 = client.newCall(Request(server.url("/")))
    val response2 = call2.execute()
    assertThat(response2.code).isEqualTo(200)

    // Close the response body. This should discard the buffered data and update the connection
    // flow-control window.
    response1.close()

      peer.sendFrame().data(false, 3, data(24), 24)
      peer.sendFrame().data(false, 3, data(25), 25)
      peer.sendFrame().data(false, 3, data(1), 1)
      peer.acceptFrame() // connection WINDOW UPDATE
      peer.acceptFrame() // stream WINDOW UPDATE
    }
    peer.sendFrame().data(true, 3, data(0), 0)
    peer.play()

    // Play it back.
    val connection = connect(peer)

        }

        // Add some errors to the queue
        Crawler.addError("Error 1");
        Crawler.addError("Error 2");

        // Create a mock crawlingInfoHelper that tracks status updates
        final Map<String, String> statusMap = new HashMap<>();
        CrawlingInfoHelper testCrawlingInfoHelper = new CrawlingInfoHelper() {
            private final Map<String, String> infoMap = new HashMap<>();

            }
          }
        }
        if (done) {
          break;
        }
      }
    }
  }

  /**
   * Multiple threads using same array of counters successfully update a number of times equal to
   * total count
   */
  public void testCountingInMultipleThreads() throws InterruptedException {
    AtomicDoubleArray aa = new AtomicDoubleArray(SIZE);
    for (int i = 0; i < SIZE; i++) {

        // Test normal version
        TestSearchLogEvent event = new TestSearchLogEvent("id", 5L, "search");
        assertEquals(Long.valueOf(5L), event.getVersionNo());

        // Test version update
        event.setVersionNo(10L);
        assertEquals(Long.valueOf(10L), event.getVersionNo());

        // Test null version
        NullSearchLogEvent nullEvent = new NullSearchLogEvent();

     * Cache#invalidate invalidations}.
     */
    void recordEviction();

    /**
     * Returns a snapshot of this counter's values. Note that this may be an inconsistent view, as
     * it may be interleaved with update operations.
     */
    CacheStats snapshot();
  }

  /**
   * A thread-safe {@link StatsCounter} implementation for use by {@link Cache} implementors.
   *
   * @since 10.0
   */

  static final int CONTAINS_VALUE_RETRIES = 3;

  /**
   * Number of cache access operations that can be buffered per segment before the cache's recency
   * ordering information is updated. This is used to avoid lock contention by recording a memento
   * of reads and delaying a lock acquisition until the threshold is crossed or a mutation occurs.
   *
   * <p>This must be a (2^n)-1 as it is used as a mask.

    RateLimiter rateLimiter = RateLimiter.create(1.0, stopwatch);
    rateLimiter.acquire(1); // no wait
    rateLimiter.acquire(1); // R1.00, to repay previous

    rateLimiter.setRate(2.0); // update the rate!

    rateLimiter.acquire(1); // R1.00, to repay previous (the previous was under the old rate!)
    rateLimiter.acquire(2); // R0.50, to repay previous (now the rate takes effect)