validator = new CronExpressionValidator();
    }

    @Test
    public void test_isValid_nullValue() {
        final ConstraintValidatorContext context = null;
        assertTrue(validator.isValid(null, context));
    }

    @Test
    public void test_isValid_blankValue() {
        final ConstraintValidatorContext context = null;
        assertTrue(validator.isValid(" ", context));

/**
 * Represents a method or constructor parameter.
 *
 * @author Ben Yu
 * @since 14.0
 */
public final class Parameter implements AnnotatedElement {

  private final Invokable<?, ?> declaration;
  private final int position;
  private final TypeToken<?> type;
  private final ImmutableList<Annotation> annotations;

  /**

    return MinimalCollection.of();
  }

  protected final E e0() {
    return samples.e0();
  }

  protected final E e1() {
    return samples.e1();
  }

  protected final E e2() {
    return samples.e2();
  }

  protected final E e3() {
    return samples.e3();
  }

  protected final E e4() {
    return samples.e4();
  }

 * search, display, and navigation through related query results.
 */
public class RelatedQueryPager implements Serializable {
    private static final long serialVersionUID = 1L;

    /**
     * Default current page number for pagination.
     */
    public static final int DEFAULT_CURRENT_PAGE_NUMBER = 1;

    /**
     * Total number of records in the result set.
     */
    private int allRecordCount;

    /**

 */
@Deprecated(since = "4.0.0")
public final class Maven4ScopeManagerConfiguration implements ScopeManagerConfiguration {
    public static final Maven4ScopeManagerConfiguration INSTANCE = new Maven4ScopeManagerConfiguration();

    public static final String RS_NONE = "none";
    public static final String RS_MAIN_COMPILE = "main-compile";
    public static final String RS_MAIN_COMPILE_PLUS_RUNTIME = "main-compilePlusRuntime";

 * @param <N> Node parameter type
 * @param <V> Value parameter type
 */
class StandardValueGraph<N, V> extends AbstractValueGraph<N, V> {
  private final boolean isDirected;
  private final boolean allowsSelfLoops;
  private final ElementOrder<N> nodeOrder;

  final MapIteratorCache<N, GraphConnections<N, V>> nodeConnections;

  long edgeCount; // must be updated when edges are added or removed

    /**
     * The logger for this class.
     */
    protected static final Logger logger = Logger.getLogger(ContentOutputStream.class.getName());

    /**
     * The prefix for the temporary file name.
     */
    protected static final String PREFIX = "curl4j-";

    /**
     * The suffix for the temporary file name.
     */
    protected static final String SUFFIX = ".tmp";

    /**

@GwtIncompatible
final class RegularImmutableSortedMultiset<E> extends ImmutableSortedMultiset<E> {
  private static final long[] zeroCumulativeCounts = {0};

  static final ImmutableSortedMultiset<?> NATURAL_EMPTY_MULTISET =
      new RegularImmutableSortedMultiset<>(Ordering.natural());

  @VisibleForTesting final transient RegularImmutableSortedSet<E> elementSet;
  private final transient long[] cumulativeCounts;

public class LruHashSet<E> extends AbstractSet<E> implements Set<E>, java.io.Serializable {
    private static final long serialVersionUID = 1L;

    /**
     * The internal LRU hash map used to store elements.
     */
    private final LruHashMap<E, Object> map;

    // Dummy value to associate with an Object in the backing Map
    private static final Object PRESENT = new Object();

    /**

/**
 * @author FreeGen
 */
public class Role extends BsRole {

    private static final long serialVersionUID = 1L;

    private Map<String, String> attributes;

    public Long getVersionNo() {
        return asDocMeta().version();
    }

    public void setVersionNo(final Long version) {
        asDocMeta().version(version);
    }

    public String getId() {