// by clearing the values. With multiple providers, we support
		// individually enabling/disabling provider configurations. If
		// the enable parameter's value is non-empty, we use that
		// setting, otherwise we treat it as enabled if some important
		// parameters are non-empty.
		var (
			cfgEnableVal        = getCfgVal(config.Enable)
			isExplicitlyEnabled = cfgEnableVal != ""
		)

		var enabled bool

Empty directory for test, see https://golang.org/issues/29837....

  }

  boolean contains(@ParametricNullness T t) {
    return !tooLow(t) && !tooHigh(t);
  }

  /**
   * Returns the intersection of the two ranges, or an empty range if their intersection is empty.
   */
  @SuppressWarnings("nullness") // TODO(cpovirk): Add casts as needed. Will be noisy and annoying...
  GeneralRange<T> intersect(GeneralRange<T> other) {
    checkNotNull(other);

		predCount++
	}
	if f.ObjectSizeLessThan != 0 {
		pType = sizeLtPred
		predCount++
	}
	// Note: S3 supports empty <Filter></Filter>, so predCount == 0 is
	// valid.
	if predCount > 1 {
		return errInvalidFilter
	}

	var err error
	switch pType {
	case nonePred:
	// S3 supports empty <Filter></Filter>
	case prefixPred:
	case andPred:
		err = f.And.Validate()
	case tagPred:

   * Double#NEGATIVE_INFINITY}, or {@link Double#NaN}) then the result is {@link Double#NaN}.
   *
   * @throws IllegalStateException if the dataset is empty
   */
  public double populationCovariance() {
    checkState(count() != 0);
    return sumOfProductsOfDeltas / count();
  }

  /**

							<div id="emptyState" class="empty-state">
								<div class="empty-state-icon">
									<i class="fa fa-comments" aria-hidden="true"></i>
								</div>
								<h5 class="empty-state-title"><la:message key="labels.chat_welcome_title" /></h5>
								<p class="empty-state-description"><la:message key="labels.chat_welcome_description" /></p>
							</div>
						</div>

        byte[] encrypted = storage.encryptCredentials(plaintext);
        assertNotNull(encrypted, "Encrypted empty data should not be null");

        char[] decrypted = storage.decryptCredentials(encrypted);
        assertNotNull(decrypted, "Decrypted empty data should not be null");
        assertEquals(0, decrypted.length, "Decrypted empty array should have zero length");
    }

    @Test

   * incoming edges.
   */
  private Set<N> predecessorsOrEmpty(N node) {
    if (edgeType == EdgeType.INCOMING || edgeType == EdgeType.BOTH) {
      return graph.predecessors(node);
    } else {
      return ImmutableSet.of();
    }
  }

  /**
   * Returns the successors of the given node, or an empty set if this set does not represent

        // Verify elements are empty
        assertTrue(
                xmlOutput.contains("<properties></properties>") || xmlOutput.contains("<properties/>"),
                "properties should be empty");
        assertTrue(
                xmlOutput.contains("<dependencies></dependencies>") || xmlOutput.contains("<dependencies/>"),
                "dependencies should be empty");
    }

    @Test

    assertEquals(1, ms.count(Color.YELLOW));
    assertEquals(2, ms.count(Color.RED));
  }

  public void testIllegalCreate() {
    Collection<Color> empty = EnumSet.noneOf(Color.class);
    assertThrows(IllegalArgumentException.class, () -> EnumMultiset.create(empty));
  }

  public void testCreateEmptyWithClass() {
    Multiset<Color> ms = EnumMultiset.create(ImmutableList.<Color>of(), Color.class);
    ms.add(Color.RED);