+ " synchronizing on supplier"));
                break;
              }
              Thread.yield();
            }
            count.getAndIncrement();
            return Boolean.TRUE;
          }
        };

    final Supplier<Boolean> memoizedSupplier = memoizer.apply(supplier);

    for (int i = 0; i < numThreads; i++) {
      threads[i] =

        // value changed
      }
    }
  }

  /**
   * Increments by one the value currently associated with {@code key}, and returns the old value.
   */
  @CanIgnoreReturnValue
  public long getAndIncrement(K key) {
    return getAndAdd(key, 1);
  }

  /**
   * Decrements by one the value currently associated with {@code key}, and returns the old value.
   */
  @CanIgnoreReturnValue

      object : EventListener() {
        override fun connectStart(
          call: Call,
          inetSocketAddress: InetSocketAddress,
          proxy: Proxy,
        ) {
          connectCount.getAndIncrement()
        }
      }
    client =
      client.newBuilder()
        .eventListenerFactory(clientTestRule.wrap(listener))
        .build()
    assert200Http2Response(execute(url), server.hostName)

        static final AtomicInteger THREAD_NUMBER = new AtomicInteger(1);

        public Thread newThread(Runnable r) {
            Thread newThread = new Thread(GROUP, r, "resolver-" + THREAD_NUMBER.getAndIncrement());
            newThread.setDaemon(true);
            newThread.setContextClassLoader(null);
            return newThread;
        }
    }

    private class ResolveTask implements Runnable {

        // One or more integer values could be skipped in the event of a race
        // to generate a UID for the same object from multiple threads, but
        // that shouldn't be a problem.
        uid = counter.getAndIncrement();
        Integer alreadySet = uids.putIfAbsent(obj, uid);
        if (alreadySet != null) {
          uid = alreadySet;
        }
      }
      return uid;
    }

    @Override