.put(com.google.common.base.Optional.class, com.google.common.base.Optional.absent())
          .put(Predicate.class, Predicates.alwaysTrue())
          .put(Equivalence.class, Equivalence.equals())
          .put(Ticker.class, Ticker.systemTicker())
          .put(Stopwatch.class, Stopwatch.createUnstarted())
          // io types
          .put(InputStream.class, new ByteArrayInputStream(new byte[0]))

            if (quoted && query instanceof final TermQuery termQuery) {
                final Pair<String, String> splitField = splitField(defaultField, field);
                if (defaultField.equals(splitField.cud())) {
                    final PhraseQuery.Builder builder = new PhraseQuery.Builder();
                    builder.add(termQuery.getTerm());
                    return builder.build();
                }

 *
 * <p>Each of the {@code standard} methods uses the set's comparator (or the natural ordering of the
 * elements, if there is no comparator) to test element equality. As a result, if the comparator is
 * not consistent with equals, some of the standard implementations may violate the {@code Set}
 * contract.
 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be

    private static class CustomQuery extends Query {
        @Override
        public String toString(String field) {
            return "CustomQuery";
        }

        @Override
        public boolean equals(Object obj) {
            return obj != null && getClass() == obj.getClass();
        }

        @Override
        public int hashCode() {
            return getClass().hashCode();
        }

        String serverAddress = registration.getServerAddress() != null ? registration.getServerAddress().getHostAddress() : null;
        boolean addressMatch = java.util.Objects.equals(resourceName, serverAddress);

        return shareMatch || addressMatch;
    }

    /**
     * Checks for expired registrations based on heartbeat timeouts.
     */
    private void checkHeartbeats() {

        return bb.array();
    }
    
    @Override
    public String toString() {
        return guid.toString();
    }
    
    @Override
    public boolean equals(Object obj) {
        if (obj instanceof HandleGuid) {
            return guid.equals(((HandleGuid)obj).guid);
        }
        return false;
    }
    
    @Override
    public int hashCode() {
        return guid.hashCode();
    }
}
```

import java.util.Comparator;
import java.util.List;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

@AndroidIncompatible // lots of failures, possibly some related to bad equals() implementations?
@NullUnmarked
public class TypeTokenSubtypeTest extends TestCase {

  public void testOwnerTypeSubtypes() throws Exception {
    new OwnerTypeSubtypingTests().testAllDeclarations();
  }

     * @see jcifs.internal.SmbNegotiationResponse#canReuse(jcifs.CIFSContext, boolean)
     */
    @Override
    public boolean canReuse(final CIFSContext tc, final boolean forceSigning) {
        return getConfig().equals(tc.getConfig());
    }

    @Override
    public boolean isValid(final CIFSContext tc, final SmbNegotiationRequest req) {
        if (!isReceived() || getStatus() != 0) {
            return false;
        }

  static <C, E extends @Nullable Object, R extends Iterable<E>>
      BiPredicate<C, C> pairwiseOnResultOf(Function<C, R> arg) {
    Equivalence<C> equivalence = Equivalence.equals().<E>pairwise().onResultOf(arg);
    return equivalence::equivalent;
  }

    return Boolean.compare(this instanceof AboveValue, that instanceof AboveValue);
  }

  C endpoint() {
    return endpoint;
  }

  @SuppressWarnings("unchecked") // catching CCE
  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj instanceof Cut) {
      // It might not really be a Cut<C>, but we'll catch a CCE if it's not
      Cut<C> that = (Cut<C>) obj;
      try {
        int compareResult = compareTo(that);