changed = true;
                    v.setRelease( versioning.getRelease() );
                }
                if ( versioning.getLatest() != null )
                {
                    changed = true;
                    v.setLatest( versioning.getLatest() );
                }

                Snapshot s = v.getSnapshot();
                Snapshot snapshot = versioning.getSnapshot();

import org.jspecify.annotations.Nullable;

/**
 * Unit test for {@code Sets}.
 *
 * @author Kevin Bourrillion
 * @author Jared Levy
 */
@GwtCompatible
@NullMarked
public class SetsTest extends TestCase {

  private static final IteratorTester.KnownOrder KNOWN_ORDER =
      IteratorTester.KnownOrder.KNOWN_ORDER;

  private static final Collection<Integer> EMPTY_COLLECTION = Arrays.<Integer>asList();