!reference.relativeToPathVariable
    }

    def "creates null reference for a null jar url"() {
        expect:
        factory.fromJarURI(null) == null
    }

    def "creates null reference for a null file path"() {
        expect:
        factory.fromPath(null) == null
    }

    def "creates a reference from a variable path"() {
        TestFile file = rootDir.file("a/file.txt")

	}
	if lec.LeaseDuration < 1 {
		return nil, fmt.Errorf("leaseDuration must be greater than zero")
	}
	if lec.RenewDeadline < 1 {
		return nil, fmt.Errorf("renewDeadline must be greater than zero")
	}
	if lec.RetryPeriod < 1 {
		return nil, fmt.Errorf("retryPeriod must be greater than zero")
	}
	if lec.Callbacks.OnStartedLeading == nil {

    def "creates snapshot for string"() {
        expect:
        def snapshot = snapshotter.snapshot("abc")
        snapshot instanceof StringValueSnapshot
        snapshot == snapshotter.snapshot("abc")
        snapshot != snapshotter.snapshot("other")
    }

    def "creates snapshot for isolated string"() {
        expect:

     * Creates a dependency scope configuration which can change roles.
     */
    Configuration dependencyScopeUnlocked(String name);

    /**
     * Creates a dependency scope configuration which can change role and executes the provided
     * {@code action} against the configuration.
     */
    Configuration dependencyScopeUnlocked(String name, Action<? super Configuration> action);

    /**

   */
  public double populationCovariance() {
    checkState(count() != 0);
    return sumOfProductsOfDeltas / count();
  }

  /**
   * Returns the sample covariance of the values. The count must be greater than one.
   *
   * <p>This is not guaranteed to return zero when the dataset consists of the same pair of values
   * multiple times, due to numerical errors.
   *
   * <h3>Non-finite values</h3>
   *

    /**
     * Creates an empty {@link ConfigurableFileCollection} instance.
     */
    ConfigurableFileCollection configurableFiles(String displayName);

    /**
     * Creates an empty {@link ConfigurableFileCollection} instance.
     */
    ConfigurableFileCollection configurableFiles();

    /**
     * Creates a {@link ConfigurableFileTree} instance with no base dir specified.

Skew is performed. And when the number of eligible domains with matching topology keys equals or greater than minDomains, this value has no effect on scheduling. As a result, when the number of eligible domains is less than minDomains, scheduler won't schedule more than maxSkew Pods to those domains. If value is nil, the constraint behaves as if MinDomains is equal to 1. Valid values are integers greater than 0. When value is not nil, WhenUnsatisfiable must be DoNotSchedule.\n\nFor example, in a 3-zone...

   */
  public double populationCovariance() {
    checkState(count() != 0);
    return sumOfProductsOfDeltas / count();
  }

  /**
   * Returns the sample covariance of the values. The count must be greater than one.
   *
   * <p>This is not guaranteed to return zero when the dataset consists of the same pair of values
   * multiple times, due to numerical errors.
   *
   * <h3>Non-finite values</h3>
   *

nullValue() - Static method in class org.hamcrest.core.IsNull Creates a matcher that matches if examined object is null. nullValue(Class<T>) - Static method in class org.hamcrest.core.IsNull Creates a matcher that matches if examined object is null. nullValue() - Static method in class org.hamcrest.CoreMatchers Creates a matcher that matches if examined object is null. nullValue(Class<T>) - Static method in class org.hamcrest.CoreMatchers Creates a matcher that matches if examined object is null. O or(Matcher<?...

 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class Lists {
  private Lists() {}

  // ArrayList

  /**
   * Creates a <i>mutable</i>, empty {@code ArrayList} instance (for Java 6 and earlier).
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableList#of()} instead.
   *