checkState(count() > 1);
    return sumOfProductsOfDeltas / (count() - 1);
  }

  /**
   * Returns the <a href="http://mathworld.wolfram.com/CorrelationCoefficient.html">Pearson's or
   * product-moment correlation coefficient</a> of the values. The count must greater than one, and
   * the {@code x} and {@code y} values must both have non-zero population variance (i.e. {@code

    checkState(count() > 1);
    return sumOfProductsOfDeltas / (count() - 1);
  }

  /**
   * Returns the <a href="http://mathworld.wolfram.com/CorrelationCoefficient.html">Pearson's or
   * product-moment correlation coefficient</a> of the values. The count must greater than one, and
   * the {@code x} and {@code y} values must both have non-zero population variance (i.e. {@code

  }

  private static void assertEvalsToTrue(Predicate<? super @Nullable Integer> predicate) {
    assertTrue(predicate.apply(0));
    assertTrue(predicate.apply(1));
    assertTrue(predicate.apply(null));
  }

  private static void assertEvalsToFalse(Predicate<? super @Nullable Integer> predicate) {
    assertFalse(predicate.apply(0));
    assertFalse(predicate.apply(1));
    assertFalse(predicate.apply(null));
  }

		t.Errorf("invalid data after update, got %+v", product)
	}

	// Code changed, price should changed
	DB.Model(&product).Select("Name", "Code", "Price").Updates(map[string]interface{}{"Name": "Product New3", "code": "L1213"})

	if product.Name != "Product New3" || product.Price != 220 || product.Code != "L1213" {
		t.Errorf("invalid data after update, got %+v", product)
	}

    this.unfiltered = checkNotNull(unfiltered);
    this.predicate = checkNotNull(predicate);
  }

  @Override
  public Multimap<K, V> unfiltered() {
    return unfiltered;
  }

  @Override
  public Predicate<? super Entry<K, V>> entryPredicate() {
    return predicate;
  }

  @Override
  public int size() {
    return entries().size();
  }

    <T extends @Nullable Object> Predicate<T> withNarrowedType() {
      return (Predicate<T>) this;
    }
  }

  /**
   * @see Predicates#not(Predicate)
   */
  private static final class NotPredicate<T extends @Nullable Object>
      implements Predicate<T>, Serializable {
    final Predicate<T> predicate;

    NotPredicate(Predicate<T> predicate) {
      this.predicate = checkNotNull(predicate);

    List<String> list = new ArrayList<>();
    Predicate<String> predicate = equalTo("pants");

    assertFalse(any(list, predicate));
    list.add("cool");
    assertFalse(any(list, predicate));
    list.add("pants");
    assertTrue(any(list, predicate));
  }

  public void testAll() {
    List<String> list = new ArrayList<>();
    Predicate<String> predicate = equalTo("cool");

   * iterable} is empty, {@code true} is returned.
   *
   * <p><b>{@code Stream} equivalent:</b> {@link Stream#allMatch}.
   */
  public static <T extends @Nullable Object> boolean all(
      Iterable<T> iterable, Predicate<? super T> predicate) {
    return Iterators.all(iterable.iterator(), predicate);
  }

  /**
   * Returns the first element in {@code iterable} that satisfies the given predicate; use this

      // If it won't fit in a long, then we store off the intermediate product.
      if (normalizedBits + productBits >= Long.SIZE) {
        bignums.add(BigInteger.valueOf(product));
        product = 1;
        productBits = 0;
      }
      product *= normalizedNum;
      productBits = LongMath.log2(product, FLOOR) + 1;
    }
    // Check for leftovers.
    if (product > 1) {
      bignums.add(BigInteger.valueOf(product));
    }

  }

  /**
   * Waits until the given predicate returns true, invoking the garbage collector as necessary to
   * try to ensure that this will happen.
   *
   * @throws RuntimeException if timed out or interrupted while waiting
   */
  @SuppressWarnings("removal") // b/260137033
  public static void awaitDone(FinalizationPredicate predicate) {
    if (predicate.isDone()) {
      return;
    }