return new SampleElements<>(
          mapEntry("one", collectionOf(10000)),
          mapEntry("two", collectionOf(-2000)),
          mapEntry("three", collectionOf(300)),
          mapEntry("four", collectionOf(-40)),
          mapEntry("five", collectionOf(5)));
    }

    // javac7 can't infer the type parameters correctly in samples()

                    }
                  }
                  return threadSum;
                }
              }));
    }
    threadPool.shutdown();
    assertTrue(threadPool.awaitTermination(300, SECONDS));
    long sum = 0;
    for (Future<Long> f : futures) {
      sum += f.get();
    }
    assertEquals(sum, map.get(key));
  }

   */
  public void testInvalidatingRemove() {
    MinMaxPriorityQueue<Integer> mmHeap = MinMaxPriorityQueue.create();
    mmHeap.addAll(
        Lists.newArrayList(1, 20, 1000, 2, 3, 30, 40, 10, 11, 12, 13, 300, 400, 500, 600));
    assertEquals(15, mmHeap.size());
    assertTrue("Heap is not intact initially", mmHeap.isIntact());
    mmHeap.remove(12);
    assertEquals(14, mmHeap.size());

                    }
                  }
                  return threadSum;
                }
              }));
    }
    threadPool.shutdown();
    assertTrue(threadPool.awaitTermination(300, SECONDS));
    long sum = 0;
    for (Future<Long> f : futures) {
      sum += f.get();
    }
    assertEquals(sum, map.get(key));
  }

  }

  @GwtIncompatible // java.time.Duration
  public void testLargeDurationsAreOk() {
    java.time.Duration threeHundredYears = java.time.Duration.ofDays(365 * 300);
    CacheBuilder<Object, Object> builder =
        CacheBuilder.newBuilder()
            .expireAfterWrite(threeHundredYears)
            .expireAfterAccess(threeHundredYears)

      return new SampleElements<>(
          mapEntry("one", collectionOf(10000)),
          mapEntry("two", collectionOf(-2000)),
          mapEntry("three", collectionOf(300)),
          mapEntry("four", collectionOf(-40)),
          mapEntry("five", collectionOf(5)));
    }

    // javac7 can't infer the type parameters correctly in samples()

/**
 * Benchmarks for {@link ConcurrentHashMultiset}.
 *
 * @author mike nonemacher
 */
public class ConcurrentHashMultisetBenchmark {
  @Param({"1", "2", "4", "8"})
  int threads;

  @Param({"3", "30", "300"})
  int size;

  @Param MultisetSupplier implSupplier;

  private Multiset<Integer> multiset;
  private ImmutableList<Integer> keys;
  private ExecutorService threadPool;

  @BeforeExperiment

        ImmutableSet.of(
            "2001:db8::5efe:102:304",
            "2001:db8::100:5efe:102:304", // Private Multicast? Not likely.
            "2001:db8::200:5efe:102:304",
            "2001:db8::300:5efe:102:304" // Public Multicast? Also unlikely.
            );
    ImmutableSet<String> nonIsatapAddresses =
        ImmutableSet.of(
            "::1.2.3.4",
            "3ffe::1",
            "::",

        ImmutableSet.of(
            "2001:db8::5efe:102:304",
            "2001:db8::100:5efe:102:304", // Private Multicast? Not likely.
            "2001:db8::200:5efe:102:304",
            "2001:db8::300:5efe:102:304" // Public Multicast? Also unlikely.
            );
    ImmutableSet<String> nonIsatapAddresses =
        ImmutableSet.of(
            "::1.2.3.4",
            "3ffe::1",
            "::",

    assertEquals(ImmutableList.of(-1, 3, foo, bar), result);
  }

  @GwtIncompatible // slow
  public void testLeastOf_reconcileAgainstSortAndSublist() {
    runLeastOfComparison(1000, 300, 20);
  }

  public void testLeastOf_reconcileAgainstSortAndSublistSmall() {
    runLeastOfComparison(10, 30, 2);
  }

  private static void runLeastOfComparison(int iterations, int elements, int seeds) {