@ElementTypesAreNonnullByDefault
public class Helpers {
  // Clone of Objects.equal
  static boolean equal(@Nullable Object a, @Nullable Object b) {
    return a == b || (a != null && a.equals(b));
  }

  // Clone of Lists.newArrayList
  public static <E extends @Nullable Object> List<E> copyToList(Iterable<? extends E> elements) {
    List<E> list = new ArrayList<>();
    addAll(list, elements);
    return list;
  }

@J2ktIncompatible
@ElementTypesAreNonnullByDefault
public final class NullPointerTester {

  private final ClassToInstanceMap<Object> defaults = MutableClassToInstanceMap.create();
  private final List<Member> ignoredMembers = Lists.newArrayList();

  private ExceptionTypePolicy policy = ExceptionTypePolicy.NPE_OR_UOE;

  public NullPointerTester() {
    try {
      /*

        return _columnUidNumber;
    }

    public ColumnInfo columnX121Address() {
        return _columnX121Address;
    }

    protected List<ColumnInfo> ccil() {
        List<ColumnInfo> ls = newArrayList();
        ls.add(columnBusinessCategory());
        ls.add(columnCarLicense());
        ls.add(columnCity());
        ls.add(columnDepartmentNumber());
        ls.add(columnDescription());

   * <p>Before the bug was fixed this test would fail at least 30% of the time.
   */
  public void testTransitionRace() throws TimeoutException {
    for (int k = 0; k < 1000; k++) {
      List<Service> services = Lists.newArrayList();
      for (int i = 0; i < 5; i++) {
        services.add(new SnappyShutdownService(i));
      }
      ServiceManager manager = new ServiceManager(services);
      manager.startAsync().awaitHealthy();

    while (newValues.hasNext()) {
      keyValues.add(newValues.next());
    }

    return oldValues;
  }

  private List<V> getCopy(@ParametricNullness K key) {
    return unmodifiableList(Lists.newArrayList(new ValueForKeyIterator(key)));
  }

  /**
   * {@inheritDoc}
   *
   * <p>The returned list is immutable and implements {@link java.util.RandomAccess}.
   */
  @CanIgnoreReturnValue
  @Override

  public ImmutableList<String> readLines() throws IOException {
    Closer closer = Closer.create();
    try {
      BufferedReader reader = closer.register(openBufferedStream());
      List<String> result = Lists.newArrayList();
      String line;
      while ((line = reader.readLine()) != null) {
        result.add(line);
      }
      return ImmutableList.copyOf(result);
    } catch (Throwable e) {

@J2ktIncompatible
@ElementTypesAreNonnullByDefault
public final class NullPointerTester {

  private final ClassToInstanceMap<Object> defaults = MutableClassToInstanceMap.create();
  private final List<Member> ignoredMembers = Lists.newArrayList();

  private ExceptionTypePolicy policy = ExceptionTypePolicy.NPE_OR_UOE;

  public NullPointerTester() {
    try {
      /*

      @Override
      public void clear() {
        SubRangeMap.this.clear();
      }

      private boolean removeEntryIf(Predicate<? super Entry<Range<K>, V>> predicate) {
        List<Range<K>> toRemove = Lists.newArrayList();
        for (Entry<Range<K>, V> entry : entrySet()) {
          if (predicate.apply(entry)) {
            toRemove.add(entry.getKey());
          }
        }
        for (Range<K> range : toRemove) {

          // nothing has transitioned since construction, good.
          ready = true;
        } else {
          // This should be an extremely rare race condition.
          List<Service> servicesInBadStates = Lists.newArrayList();
          for (Service service : servicesByState().values()) {
            if (service.state() != NEW) {
              servicesInBadStates.add(service);
            }
          }

          // nothing has transitioned since construction, good.
          ready = true;
        } else {
          // This should be an extremely rare race condition.
          List<Service> servicesInBadStates = Lists.newArrayList();
          for (Service service : servicesByState().values()) {
            if (service.state() != NEW) {
              servicesInBadStates.add(service);
            }
          }