}

  private static final class DecreasingCount implements Comparator<Entry<?>> {
    static final Comparator<Entry<?>> INSTANCE = new DecreasingCount();

    @Override
    public int compare(Entry<?> entry1, Entry<?> entry2) {
      return entry2.getCount() - entry1.getCount(); // subtracting two nonnegative integers
    }
  }

  /**

 *   if (value < 0) {
 *     throw new IllegalArgumentException("input is negative: " + value);
 *   }
 *   // calculate square root
 * }
 * }</pre>
 *
 * <p>to be replaced with the more compact
 *
 * <pre>{@code
 * public static double sqrt(double value) {
 *   checkArgument(value >= 0, "input is negative: %s", value);
 *   // calculate square root
 * }
 * }</pre>
 *

          E auntElement = elementData(auntIndex);
          if (ordering.compare(auntElement, parentElement) < 0) {
            parentIndex = auntIndex;
            parentElement = auntElement;
          }
        }
      }
      if (ordering.compare(parentElement, x) < 0) {
        queue[index] = parentElement;
        queue[parentIndex] = x;
        return parentIndex;

  }

  @Override
  public void execute(Runnable command) {
    Preconditions.checkNotNull(command, "command must not be null!");
    delegate.execute(command);
  }

  @Override
  public ListenableScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {
    Preconditions.checkNotNull(command, "command must not be null");
    Preconditions.checkNotNull(unit, "unit must not be null!");

      Runnable command, long initialDelay, long period, TimeUnit unit) {
    return delegate.scheduleAtFixedRate(wrapTask(command), initialDelay, period, unit);
  }

  @Override
  public final ScheduledFuture<?> scheduleWithFixedDelay(
      Runnable command, long initialDelay, long delay, TimeUnit unit) {
    return delegate.scheduleWithFixedDelay(wrapTask(command), initialDelay, delay, unit);
  }

    @Override
    protected <T> Callable<T> wrapTask(Callable<T> callable) {
      return new WrappedCallable<T>(callable);
    }

    @Override
    protected Runnable wrapTask(Runnable command) {
      return new WrappedRunnable(command);
    }
  }

  private static final class MockExecutor implements ScheduledExecutorService {
    String lastMethodCalled = "";
    long lastInitialDelay;
    long lastDelay;

    }
  }

  public void testExplicit_two() {
    Comparator<Integer> c = Ordering.explicit(42, 5);
    assertEquals(0, c.compare(5, 5));
    assertTrue(c.compare(5, 42) > 0);
    assertTrue(c.compare(42, 5) < 0);
    try {
      c.compare(5, 666);
      fail();
    } catch (IncomparableValueException expected) {
      assertEquals(666, expected.value);
    }
    new EqualsTester()

    }
  }

  public void testExplicit_two() {
    Comparator<Integer> c = Ordering.explicit(42, 5);
    assertEquals(0, c.compare(5, 5));
    assertTrue(c.compare(5, 42) > 0);
    assertTrue(c.compare(42, 5) < 0);
    try {
      c.compare(5, 666);
      fail();
    } catch (IncomparableValueException expected) {
      assertEquals(666, expected.value);
    }
    new EqualsTester()

   *
   * @param a the first {@code byte} to compare
   * @param b the second {@code byte} to compare
   * @return a negative value if {@code a} is less than {@code b}; a positive value if {@code a} is
   *     greater than {@code b}; or zero if they are equal
   */
  public static int compare(byte a, byte b) {
    return toInt(a) - toInt(b);
  }

  /**

        assertTrue(
            comparator + ".compare(" + lesser + ", " + t + ")", comparator.compare(lesser, t) < 0);
      }

      assertEquals(comparator + ".compare(" + t + ", " + t + ")", 0, comparator.compare(t, t));

      for (int j = i + 1; j < valuesInExpectedOrder.size(); j++) {
        T greater = valuesInExpectedOrder.get(j);
        assertTrue(
            comparator + ".compare(" + greater + ", " + t + ")",