* were obtained by calling {@code snapshot()} on the same {@link PairedStatsAccumulator} without
   * adding any values in between the two calls, or if one is obtained from the other after
   * round-tripping through java serialization. However, floating point rounding errors mean that it
   * may be false for some instances where the statistics are mathematically equal, including

 */
@GwtCompatible
abstract class AbstractSortedMultiset<E extends @Nullable Object> extends AbstractMultiset<E>
    implements SortedMultiset<E> {
  private final Comparator<? super E> comparator;

  // needed for serialization
  @SuppressWarnings("unchecked")
  AbstractSortedMultiset() {
    this((Comparator) Ordering.natural());
  }

  AbstractSortedMultiset(Comparator<? super E> comparator) {

    stream.defaultWriteObject();
    Serialization.writeMap(this, stream);
  }

  @GwtIncompatible
  @J2ktIncompatible
    private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException {
    stream.defaultReadObject();
    int size = Serialization.readCount(stream);
    init(16); // resist hostile attempts to allocate gratuitous heap

        DataStoreException exception = new DataStoreException("Serialization test");

        // Check that it's a RuntimeException and can be thrown
        try {
            throw exception;
        } catch (DataStoreException e) {
            assertEquals("Serialization test", e.getMessage());
        } catch (Exception e) {
            fail("Should have caught DataStoreException");

  private void writeObject(ObjectOutputStream stream) throws IOException {
    stream.defaultWriteObject();
    stream.writeObject(keyTypeOrObjectUnderJ2cl);
    stream.writeObject(valueTypeOrObjectUnderJ2cl);
    Serialization.writeMap(this, stream);
  }

  @SuppressWarnings("unchecked") // reading fields populated by writeObject
  @GwtIncompatible // java.io.ObjectInputStream

 * where a provided access token is invalid, expired, or malformed.
 */
public class InvalidAccessTokenException extends FessSystemException {

    /** Serial version UID for serialization */
    private static final long serialVersionUID = 1L;

    /** Type of the invalid access token */
    private final String type;

    /**

    @Override
    public String toString() {
      return "Dummy proxy for " + interfaceType;
    }

    // Since type variables aren't serializable, reduce the type down to raw type before
    // serialization.
        private Object writeReplace() {
      return new DummyHandler(TypeToken.of(interfaceType.getRawType()));
    }
  }

        assertTrue(stackTrace.length > 0);
    }

    public void test_serialVersionUID() {
        // Test that the exception is serializable
        ParseException parseException = new ParseException("Serialization test");
        QueryParseException queryParseException = new QueryParseException(parseException);

        // Verify that the exception can be created and has serialVersionUID
        assertNotNull(queryParseException);

  // These constants allow the deserialization code to set final fields. This
  // holder class makes sure they are not initialized unless an instance is
  // deserialized.
  @GwtIncompatible
  @J2ktIncompatible
  static final class FieldSettersHolder {
    static final Serialization.FieldSetter<? super ImmutableMultimap<?, ?>> MAP_FIELD_SETTER =
        Serialization.getFieldSetter(ImmutableMultimap.class, "map");

        NegTokenTarg nt = new NegTokenTarg();
        assertEquals(NegTokenTarg.UNSPECIFIED_RESULT, nt.getResult(), "new object should have UNSPECIFIED_RESULT");
    }

    @Test
    @DisplayName("serialization omits tags when field is null")
    void testSerializationOmittingNullFields() throws IOException {
        NegTokenTarg token = new NegTokenTarg();
        token.setResult(NegTokenTarg.ACCEPT_INCOMPLETE);